Conditions: Metastatic Kidney Carcinoma Recurrent Lung Non-Small Cell Carcinoma Stage IV Cutaneous Melanoma AJCC v6 and v7 Stage IV Renal Cell Cancer AJCC v7 Stage IV Lung Non-Small Cell Cancer AJCC v7
Keywords: Kidney Lung Melanoma, Skin
Allocation: NA | Intervention model: SINGLE_GROUP
Enrollment: 21
Healthy volunteers: no

Brief summary:
This phase II trial studies how well image guided hypofractionated radiation therapy works with nelfinavir mesylate, pembrolizumab, nivolumab, and atezolizumab in treating patients with melanoma, lung cancer, or kidney cancer that has spread (advanced). Hypofractionated radiation therapy delivers higher doses of radiation therapy over a shorter period of time and may kill more tumor cells and have fewer side effects. Nelfinavir mesylate may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Immunotherapy with monoclonal antibodies, such as pembrolizumab, nivolumab and atezolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving hypofractionated radiation therapy, nelfinavir mesylate, pembrolizumab, nivolumab and atezolizumab may work better in treating patients with melanoma, lung, or kidney cancer.

Detailed description:
OUTLINE:

Beginning 7-14 days prior to start of pembrolizumab, nivolumab, or atezolizumab, patients receive nelfinavir mesylate orally (PO) twice daily (BID) on days 1-7 or 1-14 (dependent upon when treatment is started) up to 11-12 weeks. Patients also receive pembrolizumab, nivolumab or atezolizumab intravenously (IV) over 30-60 minutes on day 1. Cycles repeat every 21-28 days in the absence of disease progression or unacceptable toxicity. Patients then undergo hypofractionated radiation therapy over 3-14 days starting after cycle 1 and before cycle 3 of pembrolizumab, nivolumab or atezolizumab.

After completion of study treatment, patients are followed up at 30 days and then every 6 months for up to 2 years.

Arms:
arm 1: Beginning 7-14 days prior to start of pembrolizumab, nivolumab, or atezolizumab, patients receive nelfinavir mesylate PO BID on days 1-7 or 1-14 (dependent upon when treatment is started) up to 11-12 weeks. Patients also receive pembrolizumab, nivolumab or atezolizumab IV over 30-60 minutes on day 1. Cycles repeat every 21-28 days in the absence of disease progression or unacceptable toxicity. Patients then undergo hypofractionated radiation therapy over 3-14 days starting after cycle 1 and before cycle 3 of pembrolizumab, nivolumab or atezolizumab. The study will exclude irradiation of liver metastases as an added precaution.

Interventions: intervention 1: Atezolizumab intervention 2: Hypofractionated Radiation Therapy intervention 3: Laboratory Biomarker Analysis intervention 4: Nelfinavir Mesylate intervention 5: Nivolumab intervention 6: Pembrolizumab
Intervention descriptions: intervention 1: Given IV intervention 2: Undergo hypofractionated radiation therapy intervention 3: Correlative studies intervention 4: Given PO intervention 5: Given IV intervention 6: Given IV

Protocol document:
Prot_SAP_000.pdf: 
 
1 
 
 
FRED HUTCHINSON CANCER RESEARCH CENTER 
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE 
Current version:  02/11/21 
Previous version: 11/05/20 
 
 
Title of Protocol: 
ImmunoRad: Stratified Phase II Trial of Image Guided Hypofractionated Radiotherapy with concurrent 
Nelfinavir and Immunotherapy in Advanced Melanoma, Lung Cancer, and Renal Cell Carcinoma 
 
Investigators List: 
Investigator 
Professional Title 
Phone Number 
Ramesh 
Rengan,MD,PhD 
Member, FHCRC, Associate Professor of Radiation 
Oncology, UW 
(206) 598-4100 
Sylvia Lee, MD 
Member, FHCRC, Associate Professor of Medicine and 
Immunology,UW  
(206) 606-2274 
Shilpen Patel, MD 
Member, FHCRC, Associate Professor of Radiation 
Oncology, UW 
(206) 598-4100 
Smith Apisarnthanarax, 
MD 
Member, FHCRC, Associate Professor of Radiation 
Oncology, UW 
(206) 598-4100 
Jing Zeng, MD 
Member, FHCRC, Associate Professor of Radiation 
Oncology, UW 
(206) 598-4100 
Edus Warren, MD PhD 
Member, FHCRC, Professor of Medicine, UW 
(206) 667-6441 
Shailender Bhatia, MD 
Member, FHCRC, Assistant Professor of Medicine, UW 
(206) 606-6765 
John A Thompson, MD 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-2044 
Scott Tykodi, MD PhD 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-7763 
Joshua Veatch, MD, 
PhD 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-1314 
Cristina Rodriguez, MD 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-7485 
Rafael Santana-Davila, 
MD 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-2190 
Bernardo Goulart, MD 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-2778 
Christina Baik, MD, MPH 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-2048 
Renato Martins, MD, 
MPH 
Member, FHCRC, Associate Professor of Medicine, UW 
(206) 606-6680 
Diane Tseng, MD, PhD 
Member, FHCRC, Assistant Professor of Medicine, UW 
(206)-543-2100 
Antonio Westphalen, MD 
Professor of Radiology, UW  
(206)-598-7200 
Dushyant Sahani, MD 
Professor and Chairman of Radiology, UW 
(206) 543-0871 
Joseph Hiatt, MD, PhD 
Member, FHCRC, Acting Instructor, UW 
(206)-543-2100 
Cristina Merkhofer, MD, 
MHS 
Member, FHCRC, Acting Instructor, UW 
(206)-543-2100 
Biostatistician: 
Mary Redman, PhD 
Member, FHCRC 
(206) 667-4647 
 
Emergency number (24 hours) for Seattle Cancer Care Alliance/University of Washington Medical Center 
patients:  206-598-6190. 
 
 
IRO REC'D FEB 19 2021
FHCRC IRB Approval  
MAR 04 2021 
Document Released Date


 
2 
 
PROTOCOL SYNOPSIS 
 
Protocol Title 
IMMUNORAD: A STRATIFIED PHASE II TRIAL OF HYPOFRACTIONATED 
RADIOTHERAPY WITH NELFINAVIR AND IMMUNOTHERAPY IN 
ADVANCED MELANOMA, NSCLC, AND RCC 
Short Title 
IMMUNORAD 
Protocol Number 
CCIRB #9712 
Protocol Sponsor 
None 
Trial Phase 
Phase II 
Methodology 
Open Label 
Study Center 
Single Center 
Study Objectives 
1. Primary objective is to estimate the clinical response as quantified by 
irRECIST 1.1 to hypofractionated radiotherapy with nelfinavir and anti-
PD1/PDL1 immunotherapy. 
2. Secondary objectives are to evaluate late toxicity, immune-related clinical 
responses and immune pharmacodynamic changes hypofractionated 
radiotherapy with nelfinavir and anti PD1/PDL1 immunotherapy 
Diagnosis and Main 
Inclusion Criteria 
Patients with previously untreated or previously treated metastatic 
melanoma, NSCLC, or renal cell carcinoma with bone, lung, liver, or 
subcutaneous or nodal involvement but without evidence of brain 
involvement. Patients who have previously been treated with radiation will be 
included in the study, so long as a suitable plan for treatment can be 
developed. Patients who have received prior immunotherapy will be included 
in the study and enrolled into a separate stratum. 
Study product, dose, 
route, regimen 
Hypofractionated Image Guided Radiation Therapy. Three fractions of 
800cGy each given over 3-14 days.   
Pembrolizumab, Nivolumab, or Atezolizumab per standard dosing and 
schedule. Nelfinavir: 1250 mg PO BID administered for 7 – 14 days prior to 
start of immunotherapy, for a total of 11-12 weeks.  
Duration of administration 
Radiation treatment to be delivered over 3-14 days with concurrent Nelfinavir 
and Immunotherapy. Subjects will take nelfinavir for a total of 11-12 weeks. 
Immunotherapy will continue per the FDA-approved dosing schedule.  
Reference Therapy 
FDA-approved PD-1 or PD-L1 inhibitors   
Number of trial subjects 
The expected accrual rate = 30 pts/yr. The protocol is designed for a 
maximum total of 120 patients (10 patients per year for melanoma and 10 
patients per year for NSCLC and 10 patients per year for RCC). 
Study Duration 
The expected total study duration is 4 to 4 1/2 years needed to complete 
accrual. 
Statistical Methodology 
This is a stratified phase II study of hypofractionated radiotherapy combined 
with immunotherapy for previously untreated or previously treated metastatic 
melanoma, NSCLC, and renal cell carcinoma patients. Phase II is stratified 
by histology and whether or not the patient has received prior 
immunotherapy. We will also collect serum for correlative studies. 
 
 
 
 


 
3 
 
Table of Contents 
1.0 
INTRODUCTION TO THE PROTOCOL ................................................................................................... 6 
1.1 
Introduction ...................................................................................................................................... 6 
1.2 
Preclinical Data ............................................................................................................................... 7 
1.3 
Clinical Data to Date ..................................................................................................................... 10 
1.4 
Reference Therapy: PD-1 and PD-L1 Inhibitors ........................................................................ 12 
1.5 
Dose Rationale ............................................................................................................................. 15 
1.6 
Other Agents ................................................................................................................................. 15 
1.7 
Risks/Benefits ............................................................................................................................... 16 
2.0 
OVERVIEW OF CLINICAL TRIAL ........................................................................................................... 16 
2.1 
Study Objectives ........................................................................................................................... 16 
2.2 
Study Design ................................................................................................................................. 16 
2.3 
Endpoints ....................................................................................................................................... 17 
3.0 
STUDY AGENT INFORMATION ............................................................................................................. 17 
3.1 
Immunotherapy Reference Therapy ........................................................................................... 17 
3.2 
Receipt of Drug Supplies ............................................................................................................. 18 
3.3 
Dispensing of Study Drug ............................................................................................................ 18 
3.4 
Return or Destruction of Study Drug........................................................................................... 18 
4.0 
SUBJECT ELIGIBLITY ............................................................................................................................. 18 
4.1 
Inclusion Criteria ........................................................................................................................... 18 
4.2 
Exclusion Criteria .......................................................................................................................... 19 
4.3 
Criteria for Removal/Withdrawal from Treatment ...................................................................... 20 
5.0 
SUBJECT REGISTRATION ..................................................................................................................... 20 
6.0 
TREATMENT PLAN .................................................................................................................................. 20 
6.1 
Nelfinavir treatment dosage and administration ........................................................................ 21 
6.2 
Hypofractionated Radiotherapy ................................................................................................... 21 
6.3 
Toxicities and Dosing Delays ...................................................................................................... 23 
6.4 
Immune-Related Adverse Events (irAEs): Definition, Monitoring, and Treatment ................. 25 
6.5 
Concomitant Medications/Treatments ........................................................................................ 26 
6.6 
Duration of Therapy ...................................................................................................................... 27 
6.7 
Rationale for Allowing Patients to Continue PD1/PDL1 immune checkpoint inhibitor 
Treatment until Loss of Clinical Benefit ...................................................................................... 27 
6.8 
Off Treatment Criteria................................................................................................................... 28 
6.9 
Duration of Follow-Up .................................................................................................................. 28 
6.10 
Off Study Criteria .......................................................................................................................... 29 
6.11 
Patient Replacement .................................................................................................................... 29 
6.12 
Immunological Studies ................................................................................................................. 29 


4 
7.0 
ADVERSE EVENTS.................................................................................................................................. 29 
7.1 
Adverse Event Reporting ............................................................................................................. 29 
7.2
Duration and Grade of Adverse Event Capture......................................................................... 30
7.3 
Adverse Event Grading ................................................................................................................ 31 
7.4 
Investigator Reporting: Notifying the FHCRC Institutional Review Office ............................... 31 
8.0 DATA AND SAFETY MONITORING PLAN .................................................................................................. 31 
9.0 ASSESSMENT OF EFFICACY ...................................................................................................................... 32 
9.1 Efficacy Parameters................................................................................................................................ 32
9.2 Method and Timing ................................................................................................................................. 32 
9.3 Other Response Parameters ................................................................................................................. 32 
10.0 DATA MANAGEMENT/CONFIDENTIALITY .............................................................................................. 32 
11.0 STATISTICAL CONSIDERATIONS ............................................................................................................ 32 
11.1 Sample Size with Power Justification ........................................................................................................ 32
11.2 Analysis Plan............................................................................................................................................ 33 
11.3 Safety Monitoring ..................................................................................................................................... 33 
11.4 Accrual ..................................................................................................................................................... 34 
12.0 INVESTIGATOR OBLIGATIONS................................................................................................................. 35
13.0 REFERENCES .............................................................................................................................................. 35 
14.0 APPENDICES................................................................................................................................................ 39 
14.1 Study Schema ....................................................................................................................................... 39 
 ........................................................................................................................................................ 39 
14.2 ECOG Performance Status Scale....................................................................................................... 39
14.3 Patient Pill Calendar ............................................................................................................................. 40 
14.4 Treatment Calendar


5 
 ........................................................................................................................................................ 41 


 
6 
 
 
1.0 
INTRODUCTION TO THE PROTOCOL 
 
 
This document is a protocol for a human research study. This study is to be conducted according to US 
and international standards of Good Clinical Practice (FDA Title 21 part 312 and International Conference 
on Harmonization guideline), applicable government regulations and Institutional research policies and 
procedures. 
 
1.1 Introduction 
Therapies targeting immune check points represent one of the most exciting breakthroughs 
against lung cancer, notwithstanding the targeted therapies against known driver mutations. These 
therapies that target immune check points have the capability to dramatically change the field and provide 
a more physiological way of harnessing innate immune responses against the patient’s tumors. Several 
studies have been published/ongoing studying various aspects of PD1/PD-L1 or CTLA4 and they are 
summarized in recent reviews (1)  
 
Non-small cell lung cancers (NSCLCs) are among the solid tumors with the highest frequency of 
somatic mutations (8.17 and 6.43 mutations per Mb (Megabase) for the squamous and non-squamous 
subtype, respectively), only surpassed by melanoma at 13.2 mutations per Mb (2). These mutations, likely 
secondary to DNA damage from cigarette smoke and UV exposure, have the potential to generate tumor-
rejection antigens. However, the vast majority of lung cancers successfully evade elimination by the 
immune system. This is in part attributable to the expression by cells in the tumor microenvironment of 
molecules such as PD-L1 that engage cognate inhibitory receptors (PD-1) expressed on T cells. PD-L1 is 
expressed by cells in many lung cancers, either constitutively or in response to cytokines produced by 
tumor-infiltrating T cells. Signaling through the PD-1/PD-L1 axis can inhibit cytokine production and 
cytolytic activity of CD8+ and CD4+ T cells that have migrated into the tumor. The last decade has 
witnessed the development of several novel agents that block these immune “checkpoints” (3) Inhibiting 
PD-L1 and dis-engaging PD-1 on T cells in cancer patients can reverse the adaptive immune resistance, 
and enhance T cell-mediated anti-tumor immunity (4)  
Early studies with anti-PD-L1 antibodies in patients with a variety of tumor types have shown 
response rates of 25-34%, with some durable responses (5). Interestingly, tumors with the greatest 
mutational load and heterogeneity, such as NSCLC, melanoma, and renal cell carcinoma, demonstrated 
the greatest benefit. Recent data suggest that both tumor heterogeneity and PD-L1 expression are 
associated with higher response rates to PD-L1-directed therapies (5). Aside from tumor PD-L1 
expression, success of the anti-PD-L1 therapy relates to the presence of pre-existing immunity that is 
suppressed by PD-1/PD-L1 signaling and becomes re-invigorated following therapy with PD-L1 
blockade(6). Herbst et al. demonstrated a systemic re-priming and expansion of both pre-existing 
antitumor T-cell and non-tumor-directed T-cell populations in the peripheral blood (5). Other studies in 
melanoma and prostate cancer patients have revealed that  specific host T cell repertoire, determined by 
next-generation sequencing (of T cell receptor, TCR sequence usage) have revealed that a less diverse, 
more clonal population accurately predicted responders from non-responders to immune check-point 
blockade (7).  
 
Preclinical data demonstrates that radiation can improve responses of lung cancer to PD-L1 
immunotherapy (4). The mechanisms of cooperation and improved disease control have not been clearly 
established but may include: (1) enhanced immunogenic antigen presentation (2) stimulation of cytokine 
release; and (3) enhanced PD-L1 expression on the tumors resulting from change in the stromal 
lymphocyte infiltration induced by XRT.  Blockade of PD-L1 near the time of radiotherapy may enhance 
the native lymphocyte response. The role of hypofractionated or SBRT/HIGRT-induced tumor antigen 
release in the era of combination checkpoint inhibition: Higher doses of XRT delivered over shorter 
fractions have the ability to increase antigen presenting cells (8). Wolchok et al. recently reported a 40% 
response rate to combination therapy, with all patients achieving greater than 80% or more reduction in 
tumor burden in advanced melanoma. In our proposed model, HIGRT/SBRT is complementary to immune 
checkpoint inhibition and would be anticipated to augment combination therapy. 
 


7 
 
1.2 Preclinical Data 
Nelfinavir and radiosensitization:
We and others have been attempting to identify a common downstream signal that is associated 
with radiation resistance. Data from our laboratory have demonstrated that inhibition of Ras and/or the 
downstream PI3K-Akt pathway increases the radiosensitivity of cells in which this pathway is activated but
does not affect cells without activation of this pathway (including normal tissues)(9, 10). We have both 
preclinical and clinical experience with farnesyltransferase inhibitors as radiation sensitizers (11, 12). 
However, inhibition of targets downstream of Ras including PI3K may provide a more effective target as 
this pathway is affected by both mutations and/or overexpression of EGFR, PTEN, Ras, and others. 
There are, however, currently no clinically useful inhibitors of PI3K. PI3K phosphorylates PtdIns-4, 5-P2 
to yield PtdIns-3, 4, 5-P3. PtdIns-3, 4, 5-P3 in turn causes membrane localization of protein kinase B 
(PKB/Akt) and the phosphoinositide-dependent kinases (PDK’s) which phosphorylate Akt (13). Akt thus is 
an immediate downstream target of PI3K.  
It has been reported that the activation (phosphorylation) of Akt by insulin is reduced in the 
presence of the HIV protease inhibitor (HPI) NFV (nelfinavir) (14). HPIs have also been reported to cause 
insulin resistance and diabetes(15). We know that Akt signaling plays a role in insulin signaling so we 
speculated that these side-effects of HPIs might be due to interference with Akt signaling. Our hypothesis 
is that HPI’s will inhibit Akt signaling and radiosensitize human tumors as a result. Akt is a 
serine/threonine kinase that is phosphorylated at two sites, Thr 308 (kinase domain) and Ser 473 (C-
terminal regulatory region). It is the Ser 473 site that appears to be necessary for maximal activation of 
Akt(16). We tested the human head and neck cancer cell line SQ20B with a constitutively active EGFR 
receptor and the human bladder carcinoma cell line T24 with a v12 mutation in H-Ras (Figure 1). At a 
clinically relevant dose of 5 PM, NFV down regulated Akt phosphorylation at Ser 473. There was no effect 
on Akt phosphorylation at Thr 308. Total Akt levels remained constant. Increasing the concentration of 
NFV slightly increased the onset of the response, but resulted in cell toxicity at 20 PM. Concentrations in 
the 5-10 PM range had no effect on cell growth rate of either T24 or SQ20B cells (data not shown). 
 
After showing that NFV downregulates P-Akt, we then evaluated radiosensitization in several human 
tumor cell lines that have EGFR-Ras-PI3K-Akt pathway activation (SQ20B, T24, MIAPACA2, and A549). 
Rat embryo fibroblasts (REF) were evaluated to assess radiosensitization in cell lines without this 
pathway activation. Table 1 displays the data from the clonogenic survival curves in tabular form. In every 
cell line with increased signaling through Akt, there was at least a 19% reduction in surviving fraction with 
NFV and in many cases the reduction was as large as 40%. There was no change in the 
radiosensitization of REF cells. Patients treated with radiation generally receive 30 + a treatment of 1.8-2 
Gy and the difference is thus exponentially driven. For example, with an SF2 of 0.56 and 30 fractions of 2 
Gy, the survival would be 0.56 EE 30 = 2.8 X 10-8. If the SF2 is 0.45 and 30 fractions of 2 Gy, then the 
survival would be = 3.95 X 10-11. That translates to almost a 3 log difference in the cell kill. 
P-Ser 473 Akt
P-Thr 308 Akt 
Total 
Akt
SQ20b 
T24 
C     1D     3D              C      1D     3D 
Figure 1: SQ20B or T24 cells were treated 
with 5 µM NFV for 1 or 3 days. Cells were 
harvested and immunoblotted with antibody 
used to detect the active or phosphorylated 
forms of Ser 473 and Thr 308 Akt. Antibody 
detecting total Akt was also used. 


8 
 
Table 1: Surviving fraction after 2 Gy with and without 5 µM NFV. 
Cell Line 
Cancer Type 
Mutation 
Control SF2
(mean +/- SD) 
Nelfinavir SF2 
(mean +/- SD) 
T24 
Bladder
H-Ras 
n=6 
0.560 +/- 0.061 
 
n=6 
0.452 +/- 0.023 
p=0.006* 
SQ20B 
H&N 
EGFR
n=6 
0.691 +/- 0.042 
 
n=5 
0.401 +/- 0.024 
p<0.001* 
MIAPACA2
Pancreatic 
K-Ras
n=4 
0.906 +/- 0.086 
 
n=5 
0.526 +/- 0.040 
p=0.001* 
A549 
Lung 
K-Ras
n=6 
0.570 +/- 0.042 
 
n=4 
0.401 +/- 0.062 
p<0.001* 
REF 
Rat Fibroblasts 
None
n=5 
0.408 +/- 0.040 
 
n=5 
0.397 +/- 0.054 
p=0.89* 
* compared to Control SF2 by t-test 
Since the effectiveness of cell kill by cis-platinum and etoposide can also be modified with down-
regulation of Akt, we tested for sensitization with nelfinavir. T24, SQ20B, and A549 cells were treated with 
100, 10, or 1 µM cis-platinum or etoposide with and without 10 µM NFV. Sensitization to cis-platinum or 
etoposide with the addition of NFV was not seen in any of the cell lines. We basically saw one log of cell 
kill at 1 µM cis-platinum and 10 µM of etoposide which was unchanged with the addition of NFV. 
In vivo studies were also used to assess radiation sensitization. Mice bearing SQ20B tumors were 
randomly assigned to each treatment arm (radiation plus drug, radiation alone, drug alone, or mock 
treatment). Mice were pre-treated for 5 days with oral NFV. The serum concentration of nelfinavir 
achieved was in the 2-5 µM range. Figure 2 shows the in vivo down regulation of Akt in SQ20B 
xenografts with NFV. A shows immunohistochemistry (400X) of representative SQ20B tumor from a 
control mouse (left) and a mouse treated with NFV (right). The tumors were harvested 5 days after being 
treated with placebo or NFV 0.6 mg/day. B shows an immunoblot of the lysate from the tumors shown in 
A. 
 
  Control 
 
     NFV treated mouse. 
 
For tumor re-growth, 8 Gy was chosen because this dose leads to a growth delay and not a cure 
thereby permitting the detection for statistical synergy between radiation and drug. The figure on next 
page shows the data on SQ20B xenografts treated with NFV. The mean tumor volumes are shown in 
Figure 3A. In the radiation plus NFV group, two slowly growing tumors reached a volume of 1000 mm3 at 
70 and 78 days. The mean time to tumor volume of 1000 mm3 (Figure 3B) was 11 days in the control 
group and 12 days in the NFV alone group. As expected, mean values increased in both radiation alone 
(15 days) and radiation and NFV (41 days) groups. By linear regression analysis, a statistically significant 
synergistic effect between radiation and NFV was detected (p=0.03).  
 
A 
P-Ser 473 Akt 
P-Ser 473 Akt
Total MAPK
3
T t l MAP
NFV     -
+ 
B 
Figure 2: In vivo down regulation of Akt in 
SQ20B xenografts. A, immumohistochemistry. B, 


9 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
We evaluated normal tissue toxicity in vivo in mice after administration of NFV and radiation.  The right 
leg of each mouse was irradiated with 8 Gy (2 control mice and 2 treated with NFV). We assessed the 
mice weekly for the visual development of skin fibrosis and leg contractures. No differences were 
observed in normal tissue toxicity between the 4 groups of extremities (control unirradiated, control 
irradiated, NFV unirradiated, NFV irradiated). At 60 days, the mice were sacrificed and histological 
sections of legs were compared. There was an increase in epidermal thickness with irradiation (mean 
FRQWURO0YVȝ0IRU*\,WZDVKRZHYHULPSRVVLEOHWRWHOOZKLFKPRXVHKDGEHHQJLYHQWhe 
NFV vs. control and no additive effect on skin fibrosis was seen with NFV and radiation. 
 
Pre-clinical evidence of immune modulation with NFV and radiation 
The tumor regrowth assays with xenografts in nude mice. The combination of nelfinavir and radiation 
increased time to regrowth compared with radiation alone whereas nelfinavir alone had little effect on 
tumor regrowth. This radiosensitizing effect was significantly greater than suggested by in vitro clonogenic 
survival assays. One possible explanation for the discordance is that nelfinavir has an immunomodulatory 
effect in combination with radiation. This is an augmentation of response that would only be evident in 
vivo and not in in vitro assays.  
 
Immune modulation with radiation and immune checkpoint (PD-1) inhibition: Preclinical data demonstrate 
that radiation can improve responses of lung cancer to PD-L1 immunotherapy(4). The mechanisms of 
cooperation and improved disease control have not been clearly established but may include: (1) 
enhanced immunogenic antigen presentation (2) stimulation of cytokine release; and (3) enhanced PD-L1 
expression on the tumors resulting from change in the stromal lymphocyte infiltration induced by XRT.  
Blockade of PD-L1 near the time of radiotherapy may enhance the native lymphocyte response. The role 
of hypofractionated or SBRT-induced tumor antigen release in the era of combination checkpoint 
inhibition: Higher doses of XRT delivered over shorter fractions have the ability to increase antigen 
presenting cells (8). Wolchok et al. recently reported a 40% response rate to combination therapy, with all 
patients achieving greater than 80% or more reduction in tumor burden in advanced melanoma. More 
recently, blockage of PD-L1 has been demonstrated to be superior to everolimus in advanced renal cell 
carcinoma with an overall response rate of 25%. This led to the FDA approval of nivolumab as second 
line therapy in these patients.  FDA has rapidly given approval to additional drugs that belong to the same 
class as nivolumab for its identical clinical indications in melanoma, non-small cell lung cancer, and renal 
cell carcinoma. In our proposed model, HIGRT/SBRT is complementary to immune checkpoint inhibition 
and would be anticipated to augment combination therapy.  
 
Immune modulation with dual P-I-3 Kinase and Immune Checkpoint (PD-1) Inhibition:  
Kim et al investigated epigenetic modulation as a strategy to augment clinical response to immune 
checkpoint inhibition in a pre-clinical model of CT26 tumors or metastatic 4T1tumors. Co-treatment with 
epigenetic-modulating drugs and checkpoint inhibitors markedly improved treatment outcomes, curing 
more than 80% of the tumor-bearing mice. Functional studies revealed that the primary targets of the 
Test of synergy (one-sided)                       P = 0.03 
(17 - 78)
(13 – 17) 
(10 – 13) 
(10 – 13) 
41.0 + 30.3
15.0 + 2.0
12.0 + 1.5
11.0 + 1.5
n = 5 
n = 5 
n = 6 
n = 6 
8 Gy + N 
8 Gy 
N 
Control 
Days to tumor volume of 1000 mm3  Mean + SD (range)
A 
B
Figure 3: Re-growth delay of SQ20B xenografts +/- NFV after radiation. A VKRZVWKHPHDQWXPRUYROXPHLQFRQWUROWXPRUVż1)9WUHDWHGWXPRUV
ƑWXPRUVWUHDWHGZLWK*\UDGLDWLRQ[RU*\DQG1)9WUHDWHGWXPRUV¸B is a table that shows mean days to reach tumor volume 1000 mm3
for the 4 treatment groups and the significance of the test of synergy between radiation and NFV.


 
10 
 
epigenetic modulators were myeloid-derived suppressor cells (MDSCs). Furthermore, they observed that 
the underlying mechanism driving this improved response was PI3K inhibition and that inhibition of this 
enzyme reduced circulating MDSCs also eradicated 4T1tumors in 80% of the mice when combined with 
immune checkpoint inhibitors.(17) This provides strong pre-clinical supportive data that P-I-3 kinase 
inhibition can augment response to immune checkpoint blockade.  
 
1.3 Clinical Data to Date 
Hypofractionated Image Guided Radiotherapy (HIGRT) or Stereotactic Body Radiation Therapy (SBRT) 
Hypofractionated image guided radiotherapy or Stereotactic Body Radiation Therapy (HIGRT/SBRT) is a 
highly precise treatment technique that delivers large tumoricidal doses of radiation to a small tumor. In 
this protocol, we will use these terms interchangeably. Although this represents one of the most exciting 
and active frontiers of research in the radiotherapeutics’ management of early stage NSCLC, this 
treatment technique was originally developed in 1951 by a Swedish neurosurgeon, Lars Leksell for the 
treatment of intracranial metastases.(18) Hypofractionation allows for escalation of dose without 
extending the overall treatment duration, as would be the case with conventional fractionated 
radiotherapy. A Phase I dose-escalation trial evaluated patients with T1-2 N0 NSCLC with no restriction 
on tumor location. Each treatment course was administered over 3 fractions with a starting dose of 8 Gy 
per fraction. Patients were stratified into 3 dose-escalation groups based on T stage and size (T1, T2 <5 
cm, and T2 5–7 cm). This trial demonstrated that the maximally tolerated dose for T2 tumors larger than 5 
cm was 22 Gy × 3 for, and was not reached at 20 Gy × 3 for T1 tumors or at 22 Gy × 3 for T2 tumors 
smaller than 5 cm.(19). There were a total of 10 local failures in the 47 patients treated in this study with 
nine local failures in patients treated to the lower dose levels (<16Gy x 3). A Phase II trial from the same 
group of investigators treated 70 patients with Stage I NSCLC with the doses established in the phase I 
study. With a median follow-up of 17.5 months, the local control was 95%, which appears at least as 
effective as a definitive surgical resection. Severe toxicity occurred at a median of 10.5 months in 17% of 
those patients with peripheral lesions versus 46% with central lesions.(20) Several other institutions have 
subsequently published their experience utilizing SBRT/HIGRT for early lung cancer with a variety of 
dose fractionation and prescription schemes. The initial data appear promising with 80%–100% local 
control, 40%–100% 2- to 3-year survival, and 0%–4% grade 3 toxicity), although in general the median 
follow-up for these studies is relatively short.(21-27). Given these promising results, the RTOG (RTOG 
0618) has initiated a phase II study of stereotactic body radiotherapy for operable patients with early 
stage operable NSCLC.  Additionally, Dr. Robert Timmerman initiated a randomized trial of surgical 
resection vs. stereotactic body radiation for early stage lung cancer in early 2010 (RTOG 1021). While the 
results of these studies are eagerly anticipated, the ability to treat early stage lung cancer with 
SBRT/HIGRT is rapidly being incorporated into most Radiation Oncology facilities here in the United 
States.  
 
SBRT/HIGRT in the setting of metastatic disease 
SBRT/HIGRT is being used increasingly in the setting of metastatic disease. Initially, it was integrated as 
an ablative approach with a goal of tumor sterilization in oligometastatic disease with minimal morbidity 
and good long-term clinical outcome in these highly selected patients.(28-30) Subsequently, data have 
emerged that SBRT provides effective palliation in the metastatic setting for palliation of bone, lung, liver, 
and subcutaneous/nodal metastases with minimal morbidity.(28, 29, 31-33) As such, SBRT is being 
increasing utilized in the metastatic setting for palliative intent. 
 
SBRT/HIGRT and Immune Activation 
There is emerging evidence that hypofractionated radiotherapy is immunostimulatory. In a recently 
published study in Blood, Lee et al demonstrated that the therapeutic effect with ablative hypofractionated 
radiotherapy was dependent upon activation of CD8+ T- lymphocytes.(34) Additionally, there are pre-
clinical data to suggest that CTLA-4 blockade along with ablative radiotherapy to an index lesion can 
prevent metastatic dissemination of disease.(35, 36) Finally, there are clinical data to suggest that 
SBRT/HIGRT provides greater local control and a reduction in regional and distant dissemination of 
disease when compared with surgery alone in NSCLC. One hypothesis to explain these surprising data is 
that the immunostimulatory effect of SBRT/HIGRT results in improved control of disease and prevention 
of spread.(37) 
 


11 
Radiation with PD-L1 blockade: We present a patient with widely metastatic Kras G12F mutant lung 
adenocarcinoma whose tumor had an increased expression of PD-L1. This patient had failed multiple 
therapies and had received radiation to a painful soft tissue metastasis. Four weeks after irradiation, she 
enrolled in a trial of MPDL3280A, and after receipt of 3 doses, demonstrated complete resolution of 
multiple metastases on (see Figure 2). This response has persisted at 1 year. Interestingly, following her 
12th dose of MPDL3280A, the patient developed autoimmune manifestations of vitiligo as well as fasciitis 
(Fig. 3). This is consistent with a report by Deng et al in mouse models that administration of anti-PDL-1 
antibody enhanced the effects of radiation through a cytotoxic T-cell dependent mechanism, providing 
rationale for combining radiation with immune modulators such as PDL-1 antibody therapy(4). A similar 
abscopal reaction with ipilimumab has been reported in patients as well (38). 
While the optimal radiation regimens for harnessing the proimmunogenic 
effects of radiation remain to be defined, pre-clinical data suggests that the 
ability of radiation to promote anti-tumor immunity may be dependent on the 
dose and fractionation employed.  Animal models have also demonstrated a 
correlation between vitiligo and resistance to re-challenge with tumor after 
immune checkpoint blockade 
Ablative radiotherapy doses has been shown to result in a greater 
degree of stromal/vascular damage and increased apoptosis of tumor cells 
(39), which may ultimately lead to an environment of enhanced antigen 
presentation. Animal models support this theory and suggest that a threshold 
likely exists in regard to the radiation fraction size necessary to induce an optimal immune response with 
ablative doses generating greater immunostimulatory effects as compared to conventional radiation 
doses (34), (40) .  
 
Clinically, the ability to deliver ablative doses to tumors with acceptable toxicity has become 
possible over the past decade with technologic advancements in image guidance and radiation dose 
delivery.  HIGRT/SBRT takes advantage of these advances in technology and allows for precise delivery 
of ablative doses with high rates of local control for both localized lung cancer as well as oligo-metastatic 
disease. In the setting of early-stage lung cancer, phase I/II trials demonstrate that the use of ablative 
radiation schema yields improved survival as compared to conventional fractionated treatment with local 
control rates comparable to surgical resection (41) 
 
Radiation with nelfinavir in solid tumors: 
Based upon our pre-clinical data, we 
performed a phase I/II trial of nelfinavir 
with concurrent chemoradiotherapy in 
patients with inoperable locally advanced 
NSCLC.  The objective of the phase I trial 
was to determine dose-limiting toxicities 
(DLT) and the maximally tolerated dose of 
nelfinavir in combination with concurrent 
chemoradiotherapy (CT-RT) in locally 
advanced non-small cell lung cancer 
(NSCLC). We administered nelfinavir 
according to the following schema dose 
Level 
(DL) 
1: 
625mg 
PO 
BID, 
DL2:1250mg PO BID was given for 7 to 
14 days prior to and concurrently with 
concurrent CT-RT to patients (pts) with 
biopsy confirmed IIIA or IIIB unresectable 
NSCLC. Five patients were treated at 
DL1; 7 patients were treated at DL2. 
Patients were treated with concurrent CT-
RT to a dose of 66.6Gy. DLTs were defined as any treatment related Grade 4 hematologic toxicity 
requiring a break in therapy or non-hematologic Grade 3 or higher toxicity except esophagitis and 
pneumonitis. Sixteen patients were enrolled and 12 patients were treated with nelfinavir and concurrent 
chemoradiotherapy. No DLTs have been observed at either dose level. The maximum tolerated dose of 
Fig 4: Hypo-pigmentation 
and fasciitis in previously 
radiated 
area 
following 
MPDL280.
Adapted from Hodge et al Oncology 2008
NELFINAVIR
CHECKPOINT
INHIBITION
ANTI-PD1, PD-L1
++
++
++
Figure 5 Mechanism of synergism between high-dose radiotherapy, nelfinavir, and
checkpoint inhibition to achieve durable anti-tumor immune memory (Adapted from Hodge et
al Oncology 2008) 


 
12 
 
Nelfinavir was therefore 1250 mg PO BID. Six patients experienced Grade 4 leukopenia. One patient 
experienced grade 4 thrombocytopenia. Median follow-up for all 12 patients was 31.6 months and for 
survivors is 23.5 months. Nine of the 12 patients had evaluable post-treatment PET/CT with metabolic 
response as follows: overall response: 9/9 (100%); complete response: 5/9 (56%); partial response 4/9 
(44%). The median survival for all patients was 22.3 months. We concluded that nelfinavir administered 
with concurrent CT-RT is associated with acceptable toxicity in stage IIIA/IIIB NSCLC. The metabolic 
response and tumor response data suggest that nelfinavir has promising activity in this disease.(42) We 
have since proceeded with the phase II expansion with an additional 24 patients at the phase II dose of 
Nelfinavir and seen a promising median survival of 40 months which compares favorably with historical 
controls. Clinical trials are underway in a variety of tumor types with combination of radiation and 
nelfinavir. In general, these trials have all demonstrated promising clinical response rates without an 
increase in adverse events.(43-45) Furthermore, a clinical trial of nelfinavir in patients with metastatic 
treatment-refractory solid tumor demonstrated a promising response rate with 36% having stable disease 
for over six months, potentially suggestive of potential immune-augmentation by nelfinavir.(46) 
 
1.4 Reference Therapy: PD-1 and PD-L1 Inhibitors 
The PD-1 receptor-ligand interaction is a major pathway hijacked by tumors to suppress immune control.  
The normal function of PD-1, expressed on the cell surface of activated T-cells under healthy conditions, 
is to down-modulate unwanted or excessive immune responses, including autoimmune reactions.  PD-1 
(encoded by the gene Pdcd1) is an Ig superfamily member related to CD28 and CTLA-4 which has been 
shown to negatively regulate antigen receptor signaling upon engagement of its ligands (PD-L1 and/or 
PD-L2) [7; 8].  The structure of murine PD-1 has been resolved [9].  PD-1 and family members are type I 
transmembrane glycoproteins containing an Ig Variable-type (V-type) domain responsible for ligand 
binding and a cytoplasmic tail which is responsible for the binding of signaling molecules.  The 
cytoplasmic tail of PD-1 contains 2 tyrosine-based signaling motifs, an immunoreceptor tyrosine-based 
inhibition motif (ITIM) and an immunoreceptor tyrosine-based switch motif (ITSM).  Following T-cell 
stimulation, PD-1 recruits the tyrosine phosphatases SHP-1 and SHP-2 to the ITSM motif within its 
cytoplasmic tail, leading to the dephosphorization RIHIIHFWRUPROHFXOHVVXFKDV&'ȗ3.&șDQG=$3
which are involved in the CD3 T-cell signaling cascade [7; 10; 11; 12].  The mechanism by which PD-1 
down modulates T-cell responses is similar to, but distinct from that of CTLA-4 as both molecules regulate 
an overlapping set of signaling proteins [13; 14].  PD-1 was shown to be expressed on activated 
lymphocytes including peripheral CD4+ and CD8+ T-cells, B-cells, T regs and Natural Killer cells [15; 16].  
Expression has also been shown during thymic development on CD4-CD8- (double negative) T-cells as 
well as subsets of macrophages and dendritic cells [17].  The ligands for PD-1 (PD-L1 and PD-L2) are 
constitutively expressed or can be induced in a variety of cell types, including non-hematopoietic tissues 
as well as in various tumors [18; 19; 20; 13].  Both ligands are type I transmembrane receptors containing 
both IgV- and IgC-like domains in the extracellular region and contain short cytoplasmic regions with no 
known signaling motifs.  Binding of either PD-1 ligand to PD-1 inhibits T-cell activation triggered through 
the T-cell receptor.  PD-L1 is expressed at low levels on various non-hematopoietic tissues, most notably 
on vascular endothelium, whereas PD-L2 protein is only detectably expressed on antigen-presenting cells 
found in lymphoid tissue or chronic inflammatory environments.  PD-L2 is thought to control immune T-
cell activation in lymphoid organs, whereas PD-L1 serves to dampen unwarranted T-cell function in 
peripheral tissues [13].  Although healthy organs express little (if any) PD-L1, a variety of cancers were 
demonstrated to express abundant levels of this T-cell inhibitor.  PD-1 has been suggested to regulate 
tumor-specific T-cell expansion in subjects with melanoma (MEL) [21].  This suggests that the PD-1/PD-
L1 pathway plays a critical role in tumor immune evasion and should be considered as an attractive target 
for therapeutic intervention. 
The primary objective of this clinical trial is to determine whether hypofractionated radiotherapy and PI-3k 
inhibition using Nelfinavir can improve upon standard-of-care immunotherapy by targeting the PD-1 
receptor in melanoma, renal cell carcinoma, and non-small cell lung cancer. Since the time of this 
protocol’s original development, the Food and Drug Administration has rapidly given approval to 
additional drugs that belong to the same class as nivolumab (PD1/PD-L1 inhibitors) with some 
overlapping clinical indications for melanoma, non-small cell lung cancer, and renal cell carcinoma. These 
drugs currently include pembrolizumab [49-52] for melanoma and NSCLC, atezolizumab [53-60] for 
NSCLC, with FDA-approval pending for durvalumab [61-64]. These drugs all have similar clinical efficacy 


 
13 
 
and toxicity profiles to nivolumab [65-69] in the setting of melanoma (response rates 30-40%) [50, 52], 
non-small cell lung cancer (response rates 30-40%) [49, 53], and renal cell carcinoma (~25%) [70]. These 
drugs have varying treatment schedules allowing the physician and patient greater flexibility to tailor the 
immunotherapy regimen to their needs and circumstances. 
Currently, there is no direct comparison data to indicate the superiority of one PD1/PDL1 antibody over 
another. The available agents are considered equivalent in their applicable settings. There is no rigid 
order of prioritization. In the absence of other factors, our institution plans to select pembrolizumab as the 
first-choice agent, due to its preferred 3-week scheduling over the 2-week scheduling of nivolumab, for 
melanoma and NSCLC patients enrolled on this clinical trial. Pembrolizumab and nivolumab are both 
preferred over atezolizumab because they have been more extensively studied and characterized. 
Certain factors arise that may lead to the selection of nivolumab (for melanoma or NSCLC) or 
atezolizumab (NSCLC), including a patient’s individual insurance approval as well as the continuation of 
previously-started PD1 therapy among patients in the PD1 refractory cohort. See Section 3.1 
Immunotherapy Reference Therapy  
 
Nelfinavir: There are ample data available regarding the use of NFV in humans [37]. The following is an 
excerpt of the key features. 
VIRACEPT® (nelfinavir mesylate) is an inhibitor of the human immunodeficiency virus (HIV) protease. 
VIRACEPT Tablets are available for oral administration as a light blue, capsule-shaped tablet with a clear 
film coating in 250 mg strength (as NFV free base) and as a white oval tablet with a clear film coating in 
625 mg strength (as NFV free base). Each tablet contains the following common inactive ingredients: 
calcium silicate, crospovidone, magnesium stearate, hypromellose, and triacetin. In addition, the 250 mg 
tablet contains FD&C blue #2 powder and the 625 mg tablet contains colloidal silicon dioxide. VIRACEPT 
Oral Powder is available for oral administration in 50 mg/g strength (as NFV free base) in bottles. The oral 
powder also contains the following inactive ingredients: microcrystalline cellulose, maltodextrin, dibasic 
potassium phosphate, crospovidone, hypromellose, aspartame, sucrose palmitate, and natural and 
artificial flavor. The chemical name for nelfinavir mesylate is [3S-[2(2S*, 3S*), 3a,4ab,8ab]]-N-(1,1-
dimethylethyl)decahydro-2-[2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4- 
(phenylthio)butyl]-3-
isoquinoline carboxamide mono-methane sulfonate (salt) and the molecular weight is 663.90 (567.79 as 
the free base). Nelfinavir mesylate has the following structural formula: 
 
Nelfinavir mesylate is a white to off-white amorphous powder, slightly soluble in water at pH 4 and freely 
soluble in methanol, ethanol, 2-propanol and propylene glycol. 
Pharmacokinetics 
The pharmacokinetic properties of NFV were evaluated in healthy volunteers and HIV-infected patients; 
no substantial differences were observed between the two groups. 
Absorption: Pharmacokinetic parameters of NFV (area under the plasma concentration-time curve during 
a 24-hour period at steady-state [AUC24], peak plasma concentrations [Cmax], morning and evening 
trough concentrations [Ctrough]) from a pharmacokinetic study in HIV-positive patients after multiple 
dosing with 1250 mg (five 250 mg tablets) twice daily (BID) for 28 days (10 patients) and 750 mg (three 
250 mg tablets) three times daily (TID) for 28 days (11 patients) are summarized in Table 1. 


 
14 
 
 
The difference between morning and afternoon or evening trough concentrations for the TID and BID 
regimens was also observed in healthy volunteers who were dosed at precisely 8- or 12-hour intervals. In 
healthy volunteers receiving a single 1250 mg dose, the 625 mg tablet was not bioequivalent to the 250 
mg tablet formulation. Under fasted conditions (n=27), the AUC and Cmax were 34% and 24% higher, 
respectively, for the 625 mg tablets. In a relative bioavailability assessment under fed conditions (n=28), 
the AUC was 24% higher for the 625 mg tablet; the Cmax was comparable for both formulations. In 
healthy volunteers receiving a single 750 mg dose under fed conditions, NFV concentrations were similar 
following administration of the 250 mg tablet and oral powder. 
Effect of Food on Oral Absorption: Food increases NFV exposure and decreases NFV pharmacokinetic 
variability relative to the fasted state. In one study, healthy volunteers received a single dose of 1250 mg 
of VIRACEPT 250 mg tablets (5 tablets) under fasted or fed conditions (three different meals). In a 
second study, healthy volunteers received single doses of 1250 mg VIRACEPT (5 x 250 mg tablets) 
under fasted or fed conditions (two different fat content meals). The results from the two studies are 
summarized in Table 2 and Table 3, respectively. 
 
 
NFV exposure can be increased by increasing the calorie or fat content in meals taken with VIRACEPT. A 
food effect study has not been conducted with the 625 mg tablet. However, based on a cross-study 
comparison (n=26 fed vs. n=26 fasted) following single dose administration of NFV 1250 mg, the 
magnitude of the food effect for the 625 mg NFV tablet appears comparable to that of the 250 mg tablets. 
VIRACEPT should be taken with a meal. 
Distribution: The apparent volume of distribution following oral administration of NFV was 2-7 L/kg. NFV in 
serum is extensively protein-bound (>98%). 
Metabolism: Unchanged NFV comprised 82-86% of the total plasma radioactivity after a single oral 750 
mg dose of 14C-NFV. In vitro, multiple cytochrome P-450 enzymes including CYP3A and CYP2C19 are 
responsible for metabolism of NFV. One major and several minor oxidative metabolites were found in 
plasma. The major oxidative metabolite has in vitro antiviral activity comparable to the parent drug. 
Elimination: The terminal half-life in plasma was typically 3.5 to 5 hours. The majority (87%) of an oral 750 
mg dose containing 14C-NFV was recovered in the feces; fecal radioactivity consisted of numerous 
oxidative metabolites (78%) and unchanged NFV (22%). Only 1-2% of the dose was recovered in urine, 
of which unchanged NFV was the major component. 


 
15 
 
Special Populations 
Hepatic Insufficiency: The multi-dose pharmacokinetics of NFV has not been studied in HIV-positive 
patients with hepatic insufficiency. 
Renal Insufficiency: The pharmacokinetics of NFV has not been studied in patients with renal 
insufficiency; however, less than 2% of NFV is excreted in the urine, so the impact of renal impairment on 
NFV elimination should be minimal. 
Gender and Race: No significant pharmacokinetic differences have been detected between males and 
females. Pharmacokinetic differences due to race have not been evaluated. 
1.5 Dose Rationale 
The delivery of the selected PD1 or PD-L1 immunotherapy will be carried out according to the FDA-
approved dose and schedule.  
 
Nelfinavir will be given at a dose of 1250 mg by mouth twice daily, with meals. This dosing is based upon 
the results of our phase I trial (47) and is the FDA-approved dose. All subjects will begin taking daily oral 
nelfinavir 7 to 14 days prior to the start of PD-1/PDL1 immune checkpoint inhibitor. Tthe 1-week range 
allows flexibility in scheduling the first dose of PD1/PDL1 immune checkpoint inhibitor. Nelfinavir will be 
given for a total of 12 weeks inclusive of the run-in period prior to immunotherapy.  This corresponds to 
the duration of nelfinavir administration in the phase I trial. (47) Subjects will not receive any additional 
nelfinavir after 12 weeks, or 3 full bottles of Nelfinavir.  The 7-14 days of nelfinavir prior to PD1/PDL1 
immune checkpoint inhibitor is based on the known pharmacokinetics of the drug that has shown 
suppression of PI-3 kinase within three days after the administration of nelfinavir (see background 
information).  Subjects will be asked to maintain a drug diary to assess compliance with administration of 
nelfinavir. 
 
1.6 Other Agents 
Radiation therapy is standard of care palliative treatment for patients with lung cancer, melanoma, or 
renal cell carcinoma presenting with focal symptomatic disease, oligometastatic disease, or progressive 
disease with impending functional consequences, such as airway or spinal canal encroachment.   
 
Justification for combined modality approach 
There is both pre-clinical and clinical rationale for exploiting the abscopal reaction in patients who have 
been treated with anti-PD-L1 therapy, nelfinavir, and radiation. Mounting data demonstrate that radiation 
can induce an effective immune response to tumors. The mechanisms of cooperation and improved 
disease control have not been clearly established but may include: (1) enhanced immunogenic antigen 
expression; (2) stimulation of cytokines release; and (3) increase in the permeability of the blood brain 
barrier for active agents to reach the metastatic lesions. Blockade of PD-1/PD-L1 by the FDA-approve 
PD1/PDL1 immune checkpoint inhibitor checkpoint inhibitor prior to radiotherapy may enhance the native 
lymphocyte response. The abscopal effect is a rare phenomenon of tumor regression at sites distant from 
an irradiated site. It has been observed in animal studies and humans following the administration of 
PDL1 antibodies. Nelfinavir-induced MDSC suppression in pre-clinical models was optimal when 
administered concurrently with PD-L1 blockade. The optimal schedule for combining these modalities 
together is unknown.  
 
Justification for Hypofractionated Radiotherapy 
While the optimal radiation regimens for harnessing the proimmunogenic effects of radiation remain to be 
defined, pre-clinical data suggests that the ability of radiation to promote anti-tumor immunity may be 
dependent on the dose and fractionation employed.  Ablative radiotherapy doses have been shown to 
result in a greater degree of stromal/vascular damage and increased apoptosis of tumor cells (39), which 
may ultimately lead to an environment of enhanced antigen presentation. Animal models support this 
theory and suggest that a threshold likely exists in regard to the radiation fraction size necessary to 
induce an optimal immune response with ablative doses generating greater immunostimulatory effects as 
compared to conventional radiation doses (34) (40) . Clinically, the ability to deliver ablative doses to 
tumors with acceptable toxicity has become possible over the past decade with technologic 
advancements in image guidance and radiation dose delivery.  Stereotactic body radiotherapy 


 
16 
 
(SBRT/HIGRT) takes advantage of these advances in technology and allows for precise delivery of 
ablative doses with high rates of local control for both localized lung cancer as well as oligometastatic 
disease. In the setting of early-stage lung cancer, phase I/II trials demonstrate that the use of ablative 
radiation schema yields improved survival as compared to conventional fractionated treatment with local 
control rates comparable to surgical resection.   
 
1.7 Risks/Benefits 
Please see informed consent form. 
 
2.0 
OVERVIEW OF CLINICAL TRIAL 
 
2.1 Study Objectives 
 
2.1.1 Primary Objective:  
The primary objective of the study is to evaluate the response rate (complete (CR) or 
partial (PR) response, confirmed and unconfirmed) by irRECIST 1.1 in: 
Patients with: 
x 
Non-small cell lung cancer,  
x 
Melanoma, or  
x 
Renal cell carcinoma that is either naïve to or refractory to anti-PD-L1 or PD-
L1 therapy 
Who are treated with: 
x 
Hypofractionated radiotherapy, 
x 
Anti-PD-1/PD-L1 therapy and  
x 
Nelfinavir 
 
2.1.2 Secondary Objectives:  
x 
To assess the safety and tolerability of the regimen as determined by the rate of 
grade 4 hepatoxicity 
x 
To evaluate the frequency and severity of toxicities by CTCAE 5.0 attributed to 
treatment 
x 
To evaluate progression-free survival within each disease and prior treatment 
cohort 
x 
To evaluate overall survival within each disease and prior treatment cohort 
x 
To evaluate the association between response and smoking status, underlying 
genetic mutations if known (e.g.: Kras, BRAF) circulating cfDNA, circulating 
tumor cells, PDL-1 expression  in tumor and peripheral blood T cell receptor 
repertoire by sequencing within each disease and prior treatment cohort. 
 
2.2 Study Design 
This is a multi-cohort phase II trial of nelfinavir with hypofractionated radiotherapy and 
immunotherapy in advanced non-small cell lung carcinoma (NSCLC), melanoma, and renal 
carcinoma (RCC).  The cohorts will be based upon histology (Melanoma vs NSCLC vs RCC) and 
prior immune checkpoint therapy (naive vs refractory).  
 


17 
* See Selection Pathway Section 3.1 
2.3 Endpoints 
2.3.1 
Primary Endpoint: Best objective Response (complete or partial, confirmed or 
unconfirmed) by irRECIST 1.1. Patients not known to have a response will be coded 
as non-responders.  
2.3.2 
Secondary Endpoint:  
x 
Overall survival (OS): OS is defined as the duration of start of study treatment to 
death due to any cause.  OS for patients last known to be alive will be censored at 
the date of last contact. 
x 
Progression-free survival (PFS): PFS is defined as the duration from start of 
treatment to progression by RECIST 1.1, symptomatic deterioration, or death due 
to any cause. PFS for patients last known to be alive and progression-free will be 
censored at the date of last contact.  
x 
Adverse Events by CTCAE 5.0 
x 
Immune correlative studies including changes in T-cell repertoire 
3.0 
STUDY AGENT INFORMATION 
3.1 Immunotherapy Reference Therapy 
PD1/PDL1 immune checkpoint inhibitor will delivered intravenously per standard of care.  
Keytruda® (Pembrolizumab) FDA Approved Dosage and Administration 
Metastatic Melanoma
200 mg intravenously over 30 minutes 
Every 3 weeks 
 
Metastatic Non-Small Cell Lung Cancer
200 mg intravenously over 30 minutes 
Every 3 weeks 
 


 
18 
 
 
Opdivo® (Nivolumab) FDA Approved Dosage and Administration 
 
Metastatic Melanoma 
240 mg every 2 weeks or 480 mg every 4 weeks, 
intravenously over 30 minutes  
Metastatic Non-Small Cell Lung Cancer 
240 mg every 2 weeks or 480 mg every 4 weeks, 
intravenously over 30 minutes  
Advanced Renal Cell Carcinoma 
240 mg every 2 weeks or 480 mg every 4 weeks, 
intravenously over 30 minutes  
 
Tecentriq® (Atezolizumab) FDA Approved Dosage and Administration 
 
 
Metastatic Non-Small Cell Lung Cancer 
1,200 mg intravenously over 60 minutes 
Every 3 weeks 
 
 
 
Selection Pathway: In order of site preference  
 
NSCLC  
Æ          Pembrolizumab       Æ         Nivolumab            Æ          Atezolizumab  
 
 
Melanoma  
Æ          Pembrolizumab       Æ         Nivolumab            
 
 
RCC  
 
Æ              Nivolumab  
 
 
 
3.2 Receipt of Drug Supplies 
Nelfinavir will be bought from commercial supply and stored as needed by Investigational Drug Services.   
 
3.3 Dispensing of Study Drug 
The drug will be dispensed by the UW and/or SCCA IDS. 
 
3.4 Return or Destruction of Study Drug 
At the completion of the study, there will be a final reconciliation of drug dispensed, drug consumed, and 
drug remaining.  This reconciliation will be logged on the drug reconciliation form, signed and dated.  Any 
discrepancies noted will be investigated, resolved, and documented prior to return or destruction of 
unused study drug.  Drug destroyed on site will be documented in the study files. 
 
 
4.0 
SUBJECT ELIGIBLITY 
 
 
4.1 Inclusion Criteria  
4.1.1 
Disease eligibility and Stage 
x 
Histologically confirmed diagnosis of melanoma, NSCLC, or renal carcinoma. 
x 
Previously treated or previously untreated stage IV melanoma, stage IV or 
recurrent lung cancer, and metastatic renal cancer by AJCC staging criteria 
x 
Presence of a lesion that is suitable for hypofractionated radiotherapy  


 
19 
 
4.1.2 
Disease measurement specifications 
4.1.3 
Subjects must have measurable disease by RECIST criteria independent 
of the lesion to be irradiated.  Prior checkpoint inhibitor immunotherapy or 
chemotherapy is allowed as long as the last dose was received >14 days prior to 
enrollment.  
 
4.1.4 
Age > 18 
 
4.1.5 
ECOG 0-2 (see Appendix 14.2) 
4.1.6 
Acceptable marrow function and hematologic indices for PD1/PDL1 immune 
checkpoint inhibitor and nelfinavir as per standard of care.   
4.1.7 
Ability to understand and the willingness to sign a written informed consent document. 
 
4.2 Exclusion Criteria 
4.2.1 
Subjects who have had immunotherapy, chemotherapy, or radiation therapy within 14 
days (6 weeks for nitrosoureas or mitomycin C) prior to entering the study or those 
who have not recovered from adverse events due to agents administered more than 4 
weeks earlier. 
4.2.2 
Subjects may not be receiving other investigational agents. 
4.2.3 
Patients with untreated/active brain metastases as documented by CT or MRI within 2 
months of study enrollment. By active brain metastases- we mean- actively 
symptomatic brain metastases requiring steroids. 
4.2.4 
Allergy or intolerance to nelfinavir or selected PD1/PDL1 immune checkpoint inhibitor. 
4.2.5 
Patients requiring steroids or other immunosuppressive therapy. Low-dose or topical 
steroids are allowable if being used as replacement therapy. 
4.2.6 
Patients receiving anti-retroviral therapy or other agents that are contra-indicated with 
nelfinavir due to drug-drug interactions.* 
4.2.7 
Pregnant or lactating patients. 
4.2.8 
Prior radiation that precludes delivery of hypofractionated radiotherapy. 
 
* For a study regarding the safety and efficacy of high dose nelfinavir on patients with Kaposi’s 
Sarcoma (KS), exclusion criteria included participants who were receiving any "strong inhibitors 
or inducers of cytochrome P450, family 3, subfamily A (CYP3A) or cytochrome P450, family 2, 
subfamily C, polypeptide 19 (2C19)" 
 
Strong Inhibitors of CYP3A4: 
x 
Antibiotics: clarithromycin, erythromycin, telithromycin, troleandomycin 
x 
HIV: non-nucleoside reverse transcriptase inhibitors (delavirdine, nevirapine), protease 
inhibitors (ritonavir, indinavir, lopinavir/ritonavir, saquinavir), cobicistat-boosted antiretrovirals 
(e.g., elvitegravir); NOTE: Clinical trials have demonstrated that there are no clinically 
significant drug-drug interactions between nelfinavir and the following antiretrovirals: 


 
20 
 
efavirenz (strong CYP3A4 inhibitor), etravirine (strong CYP3A4 inhibitor); therefore, these 
antiretrovirals will not be excluded. 
x 
Antifungals: itraconazole, ketoconazole, voriconazole, fluconazole, posaconazole 
x 
Antidepressants: nefazodone 
x 
Antidiuretic: conivaptan 
x 
GI: cimetidine, aprepitant 
x 
Hepatitis C: boceprevir, telaprevir 
x 
Miscellaneous: seville oranges, grapefruit, or grapefruit juice and/or pomelos, star fruit, exotic 
citrus fruits, or grapefruit hybrids. 
Strong Inducers of CYP3A4: 
x 
Glucocorticoids: cortisone (> 50 mg), hydrocortisone (> 40 mg), prednisone (> 10 mg), 
methylprednisolone (> 8 mg), dexamethasone (> 1.5 mg) 
x 
Anticonvulsants: phenytoin, carbamazepine, primidone, phenobarbital and other enzyme 
inducing anti-convulsant drugs (EIACD) 
x 
Antibiotics: rifampin (rifampicin), rifabutin, rifapentine 
x 
Miscellaneous: St. John's Wort, modafinil 
Strong Inhibitors of CYP2C9: 
x 
Antifungals: fluconazole; lists including medications and substances known or with the 
potential to interact with the CYP3A or 2C19 
4.3 Criteria for Removal/Withdrawal from Treatment 
4.3.1 
Subjects may be removed from this study at any time at their discretion. Subjects may 
also be removed from this protocol if they develop any untoward side effects from the 
study medication. In addition there are stopping rules in place for lack of efficacy and 
excessive toxicity as detailed in the statistical section. 
4.3.2 
Disease progression will be clinically determined by the principal investigator. Patients 
who show disease progression will be taken off of the study.  
 
4.3.3.     Extraordinary Medical Circumstances.  If at any time the constraints of this protocol 
are detrimental to the subject’s health, the subject will be removed from protocol 
therapy.  In this event, the reasons for withdrawal will be documented.   
 
 
5.0 
SUBJECT REGISTRATION 
 
Subjects will be registered by the FHCRC/UW Study Coordinator and entered into OnCore at 
seattlectms.org.  A complete, signed, study consent and HIPAA consent and documentation of consent 
are required for registration. 
 
 
6.0 
TREATMENT PLAN 
 
Treatment will be administered on an outpatient basis. All study treatment will be administered at the 
University of Washington Medical Center or Seattle Cancer Care Alliance.  Immunotherapy may be 
continued at the subject’s local institution once the active study period is over. The active study period is 
defined as the concurrent nelfinavir and radiation therapy.  
 


 
21 
 
6.1 Nelfinavir treatment dosage and administration 
Nelfinavir will be available in Investigational Drug Services (IDS) at the University of Washington and 
Seattle Cancer Care Alliance. When a subject is enrolled, the drug will be obtained and dispensed from 
IDS.  It is stored at room temperature. Nelfinavir will be self-administered at a dose of 1250 mg PO BID 
and the patient will administer at home. This dosing is based upon the results of our phase I trial. (47) All 
subjects will begin taking daily oral nelfinavir 7 to 14 days prior to the start of PD1/PDL1 immune 
checkpoint inhibitor.  Nelfinavir will be continued for a total of 11-12 weeks, depending on when Nelfinavir 
was initiated and when the first dose of PD1/PDL1 immune checkpoint inhibitor is.  This corresponds to 
the duration of nelfinavir administration in the phase I trial. (47) Subjects will not receive any additional 
nelfinavir after the 12th week of nelfinavir, or a total of 3 bottles.  The 7-14 days of nelfinavir prior to 
PD1/PDL1 immune checkpoint inhibitor commencement are based on the known pharmacokinetics of the 
drug that has shown suppression of PI-3 kinase within three days after the administration of nelfinavir 
(see background information).  Subjects will be asked to maintain a drug diary to assess compliance with 
administration of nelfinavir (appendix 14.3) 
 
 
6.2 Hypofractionated Radiotherapy 
Hypofractionated radiotherapy typically involves fewer fractions over fewer days but each fraction 
involves a higher dose, compared with conventional radiation techniques. The goal of HIGRT/SBRT in 
this setting is to deliver appropriate tumor directed palliation while minimizing exposure of surrounding 
normal tissues.  The dose used to treat a given tumor will be based on the location of the lesion, as the 
organs at risk surrounding the lesion are likely to dictate the risk of normal tissue toxicity. The study will 
exclude irradiation of liver metastases as an added precaution. 
 
Patients will undergo a 3 fraction HIGRT/SBRT regimen, treatment commencing between 1st and before 
3rd cycle of PD1/PDL1 immune checkpoint inhibitor.  Dose and fractionation will be determined per 
standard clinical practice and will be dependent on the location of the treated site and adjacent organs at 
risk.   
 
Either 3D-conformal radiotherapy or intensity-modulated radiotherapy (including volumetric arc 
radiotherapy [VMAT]) is acceptable planning techniques.  Planning techniques may differ for each lesion 
to be treated provided that tumor motion is properly accounted for with each technique when the target is 
near the thorax region (i.e. lung or liver).  Daily image guidance is required for this study. 
6.2.1 Dose and Fractionation 
Patients will undergo a 3 fraction HIGRT/SBRT regimen over 3-14 days.   
 
The 3 fraction regimen will employ a fraction size of 8 Gy per fraction, however a dose 
reduction to 6 Gy is allowed if 8 Gy is not achievable due to exceeding dose 
constraints  
 
Dose rate: For the purpose of this study, dose rate utilized will be that which is 
commissioned by the manufacturer and the medical physics group for external beam 
radiotherapy delivery by the University of Washington, Department of Radiation 
Oncology. There will be no special dose rate modifications required for this study. 
6.2.2 Localization, Simulation, and Immobilization Treatment Planning / Target 
Volumes 
All patients will be immobilized in a custom designed device in the appropriate position 
to isolate the index lesion. All patients will then undergo CT-based treatment planning 
in the custom made immobilization device.  The CT scan must capture the region of 
interest as well as surrounding organs at risk (OAR) with sufficient margin for 
treatment planning. The CT scan should be obtained with a uniform slice thickness of 
less than or equal to 3 mm throughout.  The use of IV contrast is left to the discretion 
of the treating physician. 
 


 
22 
 
All lesions with potential for respiratory motion should be evaluated by appropriate 
means including 4D CT scan and/or implanted fiducial marker(s).  Respiratory motion 
management including but not limited to active-breathing control, respiratory gating, 
and fiducial marker tracking, will be employed for qualifying patients per standard 
clinical practice. 
 
Daily image guidance will be employed for target localization with volumetric imaging 
(cone- beam CT).   
6.2.3 Target Volumes 
The gross tumor volume (GTV) is defined as all known gross disease encompassing 
the selected index lesion as visualized the planning CT scan and aided by additional 
diagnostic imaging studies (PET/CT or MRI).  The use of additional diagnostic imaging 
studies is dependent on the location of the index lesion and is left to the discretion of 
the treating physician. An internal gross tumor volume (IGTV) is defined for mobile 
index lesions at the discretion of the treating physician.  A 4-D CT scan will be 
acquired in order to account for the motion of the lesion during. The IGTV will be 
defined as the union of the visualized index lesion on all gated CT data sets. 
The clinical target volume (CTV) will equal the GTV/IGTV; there will be no margin 
added for microscopic extension.   
The planning target volume (PTV) will be defined as per the convention for photon 
beam radiotherapy. A 3-dimensional margin will be created on the GTV or IGTV (if 
available) to allow for daily set-up variance.  
6.2.4 Normal Structures 
Organ at risk volume (OAR) is contoured as visualized on the planning CT or MR 
scan.  Planning PAR is the OAR expanded for setup uncertainty or organ motion.  The 
physician will contour the OAR.  The dosimetrist will create the PAR by expanding the 
OAR by 2-3 mm, depending on the situation. 
6.2.5 Treatment Planning 
Multiple planning techniques may be employed to deliver HIGRT/SBRT to the index 
lesion, including static 3D coplanar and/or non-coplanar beam arrangements as well 
as dynamic conformal arcs or IMRT. 
 
Three-dimensional coplanar or non-coplanar beam arrangements will be custom 
designed for each case to deliver highly conformal prescription dose distributions. 
Non-RSSRVLQJQRQFRSODQDUEHDPVDUHSUHIHUDEOH7\SLFDOO\EHDPVRIUDGLDWLRQ
will be used with roughly equal weighting. Generally, more beams are used for larger 
lesion sizes.  
 
For arc rotation techniques, a minimum of 340 degrees (cumulative for all beams) should 
be utilized. For arc rotation techniques, a minimum of 340 degrees (cumulative for all 
beams) should be utilized.  
 
Critical Organ Doses:  All critical organ dose-volume limits will be respected. 
Planning Priorities:  Every attempt will be made to successfully satisfy all of the planning goals and OAR 
criteria without deviation. In some circumstances, it may not be possible to meet all the ideal criteria. In 
these cases, spinal cord, cauda equine, sacral plexus, and brachial plexus dose constraints must be 
respected over PTV coverage.  In the case of other OAR constraints, which are not well validated, PTV 
coverage and OAR constraints must be balanced per clinical practice at the discretion of the treating 
physician. 
 
 


 
23 
 
6.3 Toxicities and Dosing Delays 
Any patient who receives treatment on this protocol will be evaluable for toxicity. Each patient will be 
assessed on an ongoing basis for the development of toxicity according to the study calendar (See 
Appendix 14.4). Toxicity will be assessed according to the NCI Common Terminology Criteria for Adverse 
Events (CTCAE), version 5.0. Dose adjustments should be made according to the system showing the 
greatest degree of toxicity.  
 
6.3.1 Stopping rules for the study related to Grade 5 adverse events, or 
suspected hepatoxicity are detailed in section 11.0 Statistical 
Considerations  Criteria for Nelfinavir Dosing 
Nelfinavir is known as a well-tolerated drug. In our phase I clinical trials [47], there were no dose-limiting 
or unacceptable toxicities reported. If a patient is unable to tolerate the daily dose, he/she will indicate on 
his/her pill diary (see Appendix14.3) how many pills, if any, were taken that day. Efforts will be made by 
the study team to achieve 100% compliance by engaging in regular communication with the patient. 
Patients are instructed to record any symptoms they are feeling so that they can discuss it with their 
provider. All adverse events that are attributed as certainly, probably, or possibly related to nelfinavir 
will be recorded. 
 
Patients will delay or discontinue treatment with Nelfinavir if they experience at least one adverse event, 
specified below, considered by the treating investigator to be certainly, probably, or possibly related to 
Nelfinavir treatment. Patients may continue PD1/PDL1 inhibitor Immunotherapy treatment if the criteria in 
6.3.8 is not met. 
 
The following criteria will be used to determine dosing delay, restarting doses, or discontinuing Nelfinavir 
treatment. 
 
6.3.2 Criteria to delay Nelfinavir Dosing 
 
Treatment-related Event 
Action 
Any > Grade 3 Adverse Event related to NFV 
Delay Nelfinavir dosing 
 
6.3.3 Criteria to resume Nelfinavir dosing 
x 
Restart Nelfinavir dosing if/when the adverse event(s) resolve(s) to < Grade 2 
severity or returns to baseline within 1 month. 
o 
If the adverse event has not resolved within 1 month, permanently 
discontinue Nelfinavir dosing 
o 
Restart Nelfinavir at 625mg PO BID for 1 week. 
o 
Monitor if adverse event re-emerges. 
o 
Return to 1250mgPO BID after 1 week. 
6.3.4 Criteria for permanent discontinuation of Nelfinavir 
 
Treatment-related Event 
Action 
Any > Grade 3 adverse event that does not 
improve to < Grade 2 severity or return to baseline 
within 1 month. 
 
Permanently discontinue Nelfinavir dosing 
 
Any recurrence of > Grade 3 adverse event that 
required previous Nelfinavir dosing delay 
 
 


 
24 
 
6.3.5 Criteria for PD1/PDL1 inhibitor immunotherapy treatment 
 
Patients may develop PD1/PDL1 immune checkpoint inhibitor-related toxicities that may require skipping 
doses or dose discontinuation. Some of these adverse events may be consistent with potentially drug-
related immune-mediated phenomena; termed IRAEs.  
 
Patients will delay or discontinue treatment with their selected PD1/PDL1 immune checkpoint inhibitor if 
they experience at least one adverse event, specified below, considered by the treating investigator to be 
certainly, probably, or possibly related to PD1/PDL1 immune checkpoint inhibitor treatment.  
 
The following criteria will be used to determine dosing delay, restarting doses, or discontinuing PD1/PDL1 
inhibitor immunotherapy. 
 
6.3.6 Criteria to delay one dose of PD1/PDL1 inhibitor immunotherapy 
treatment 
 
Treatment-related Event  
Action 
$Q\*UDGHnon-skin related adverse event (including 
IRAEs) except for laboratory abnormalities 
Delay PD1/PDL1 
inhibitor 
immunotherapy 
dosing 
$Q\*UDGHODERUDWRU\DEQRUPDOLW\ 
$Q\*UDGHVNLQ-related adverse event (including IRAEs) 
regardless of causality. 
 
6.3.7 Criteria to resume PD1/PDL1 inhibitor immunotherapy treatment 
x 
Restart PD1/PDL1 inhibitor immunotherapy dosing if/when the adverse event(s) 
UHVROYHVWR*UDGHVHYHULW\RUUHWXUQVWREDVHOLQHZLWKLQZHHNVRILQLWLDO
dose administration  
x 
,IWKHDGYHUVHHYHQWKDVUHVROYHGWR*UDGHVHYHULW\RUUHWXUQVWREDVHOLQH
restart PD1/PDL1 inhibitor immunotherapy dosing at the next scheduled dosing 
time point per protocol.  
x 
If the adverse event has not resolved in the protocol-specified dosing window (2 
weeks [+/- 3 days], the next scheduled dose will be omitted.  
x 
3DWLHQWVZLWK,5$(VZKRUHTXLUHVWHURLGWKHUDS\ZLWKUHVROXWLRQWR*UDGH
severity must be taking no more than 7.5mg of prednisone (or the equivalent) 
before resuming PD1/PDL1 inhibitor immunotherapy. 
 
6.3.8 Criteria for permanent discontinuation of PD1/PDL1 inhibitor 
immunotherapy for Related Adverse Events 
 
 
Event 
Action 
$Q\*UDGHH\HSDLQRUUHGXFWLRQRIYLVXDODFXLW\WKDWGRHVQRW
respond to topical therapy and does not LPSURYHWR*UDGHVHYHULW\
within 2 weeks of starting therapy, OR, requires systemic treatment. 
 
Permanently discontinue   
PD1/PDL1 inhibitor 
immunotherapy 
$Q\*UDGHEURQFKRVSDVPRURWKHUK\SHUVHQVLWLYLW\UHDFWLRQ 


 
25 
 
1Exception to permanent discontinuation of selected PD1/PDL1 inhibitor immunotherapy is made for 
laboratory abnormalities that are rapidly reversible, not life threatening, do not reflect underlying organ 
system dysfunction, and are not related to the study treatment, such as transient elevations of uric acid, 
hypocalcaemia, hypophosphatemia. 
 
PD1/PDL1 inhibitor immunotherapy administration may be resumed in the following cases: 
x 
Potentially reversible inflammation (< Grade 4), attributable to a local anti-tumor reaction and a 
potential therapeutic response. This includes inflammatory reactions at thoracotomy sites or at 
sites suspicious for, but not diagnostic of metastasis. 
x 
+RVSLWDOL]DWLRQIRU*UDGHDGYHUVHHYHQWVZKHUHWKHSULPDU\UHDVRQIRUKRVSLWDOL]DWLRQLVWR
expedite the clinical work-up.  
x 
Patients with the following conditions where in the investigator’s opinion continuing study drug 
administration is justified:  
o 
Endocrinopathies where clinical symptoms are controlled with appropriate hormone 
replacement therapy (e.g. hypothyroidism). 
o 
Ocular toxicity that has responded to topical therapy. 
6.4 Immune-Related Adverse Events (irAEs): Definition, Monitoring, and Treatment 
Blocking PD-L1 function may permit the emergence of auto-reactive T cells and resultant clinical 
autoimmunity. Rash/vitiligo, diarrhea/colitis, uveitis/episcleritis, hepatitis, and hypopituitarism are drug-
related, presumptive autoimmune events, termed irAEs, noted in previous studies.  
 
For the purposes of this study, an irAE is defined as an AE of unknown etiology associated with drug 
exposure and consistent with an immune phenomenon. Efforts should be made to rule out neoplastic, 
infectious, metabolic, toxin or other etiologic causes prior to labeling an AE an irAE.  
 
Patients should be informed of and carefully monitored for evidence of clinically significant systemic irAE 
(e.g., systemic lupus erythematosus-like diseases) or organ-specific irAE (e.g., rash, colitis, uveitis, 
hepatitis or thyroid disease). If an irAE is noted, appropriate work-up should be performed, and steroid 
therapy may be considered if clinically necessary (see below). 
 
Toxicities associated or possibly associated with PD1/PDL1 immune checkpoint inhibitor treatment 
should be managed according to standard medical practice.  Additional tests, such as autoimmune 
serology or biopsies, may be used to determine a possible immunogenic etiology. 
 
$Q\RWKHU*UDGHQRQ-skin related adverse event with the exception of 
events listed under “Exceptions to Permanent Discontinuation”  
$Q\*UDGHODERUDWRU\DEQRUPDOLWLHVH[FHSW$67$/7RU7RWDO
Bilirubin.1  
x 
AST or ALT>8xULN.  
x 
Total Bilirubin > 5 x ULN.   
$Q\RWKHU*UDGHDGYHUVHHYHQW 
Any adverse event, laboratory abnormality or intercurrent illness which, in 
the judgment of the investigator, presents a substantial clinical risk to the 
patient with continued dosing.  
$Q\PRWRUQHXURORJLFWR[LFLW\*UDGHUHJDUGOHVVRIFDXVDOLW\ 
$Q\*UDGHWUHDWPHQWUHODWHGVHQVRU\QHXURORJLFWR[LFLW\ 
Patients who require high dose steroids, other immune suppressants or 
anti-TNF drug therapy for the management of immune related adverse 
events should have the  PD1/PDL1 inhibitor immunotherapy permanently 
discontinued*. 


 
26 
 
Although most irAEs observed with immunomodulatory agents have been mild and self-limiting, such 
events should be recognized early and treated promptly to avoid potential major complications.  
Discontinuation of selected PD1/PDL1 immune checkpoint inhibitor may not have an immediate 
therapeutic effect and, in severe cases, immune related toxicities may require acute management with 
topical corticosteroids, systemic corticosteroids, mycophenolate, or tumor necrosis factor alpha (TNFĮ) 
inhibitors. 
 
The primary approach to Grade 1 to 2 irAEs is supportive and symptomatic care with continued treatment 
with PD1/PDL1 immune checkpoint inhibitor; for higher-grade irAEs, PD1/PDL1 immune checkpoint 
inhibitor should be withheld and oral and/or parenteral steroids administered.  Recurrent Grade 2 irAEs 
may also mandate withholding PD1/PDL1 immune checkpoint inhibitor or the use of steroids.   
 
Assessment of the benefit risk balance should be made by the investigator, with consideration of the 
totality of information as it pertains to the nature of the toxicity and the degree of clinical benefit a given 
patient may be experiencing prior to further administration of PD1/PDL1 immune checkpoint inhibitor.  
The PD1/PDL1 immune checkpoint inhibitor should be permanently discontinued in patients with life 
threatening irAEs.  
6.5 Concomitant Medications/Treatments 
x 
Examples of supportive medications include acetaminophen, NSAIDs, antihistamines, and anti-
diarrheals. 
x 
Bisphosphonate use for bone metastasis is allowed.  
x 
Herbal supplements must be approved by investigator. 
x 
Concomitant antineoplastic therapy is prohibited. 
x 
All medications need careful review for drug-drug interactions with Nelfinavir. Additional safety 
monitoring may be needed. 
 
Per the VIRACEPT (Nelfinavir Mesylate) package insert, Nelfinavir is contraindicated with drugs 
that are highly dependent on CYP3A for clearance and for which elevated plasma concentrations 
are associated with serious and/or life threatening events. Below is a table of drugs that are 
contraindicated with long-term VIRACEPT therapy. Drug-drug interactions will be evaluated in the 
context of the short-term (12 week) duration of administration of Viracept in this trial and drug 
regimens will be modified accordingly:  
Drug Class 
Drugs Within Class That Are 
Contraindicated with VIRACEPT 
Clinical Comment 
Alpha 1-adrenoreceptor 
antagonist 
Alfuzosin 
Potentially increased alfuzosin 
concentrations can result in 
hypotension. 
Antiarrhythmics 
Amiodarone, quinidine 
Potential for serious and/or life-
threatening cardiac arrhythmia 
Antimycobacterial Agents 
Rifampin 
Plasma concentrations of nelfinavir 
can be reduced by concomitant 
use of rifampin. This may lead to 
loss of therapeutic effect and 
possible development of 
resistance to VIRACEPT or other 
coadministered antiretroviral 
agents. 


 
27 
 
Antipsychotics 
Lurasidone 
Pimozide 
Potential for serious and/or life-
threatening reactions. 
Potential for serious and/or life 
threatening reactions such as 
cardiac arrhythmias. 
Ergot Derivatives 
Dihydroergotamine, ergotamine, 
methylergonovine 
Potential for serious and/or life 
threatening reactions such as 
ergot toxicity characterized by 
peripheral vasospasm and 
ischemia of the extremities and 
other tissues. 
GI Motility Agent 
Cisapride 
Potential for serious and/or life 
threatening reactions such as 
cardiac arrhythmias. 
Herbal products 
St. John's wort (Hypericum 
perforatum) 
Plasma concentrations of nelfinavir 
can be reduced by concomitant 
use of the herbal preparation St. 
John’s wort. This may lead to loss 
of therapeutic effect and possible 
development of resistance to 
VIRACEPT or other 
coadministered antiretroviral 
agents 
HMG-CoA Reductase 
Inhibitors 
Lovastatin, Simvastatin 
Potential for serious reactions 
such as myopathy including 
rhabdomyolysis. 
PDE5 Inhibitors 
Sildenafil (Revatio®) [for treatment 
of pulmonary arterial hypertension]a 
A safe and effective dose has not 
been established when used 
with nelfinavir. There is increased 
potential for sildenafilassociated 
adverse events (which include 
visual disturbances, 
Sedative/Hypnotics 
Triazolam, oral midazolam 
Potential for serious and/or life 
threatening reactions such as 
prolonged or increased sedation or 
respiratory depression. 
 
6.6 Duration of Therapy 
Reference PD1/PDL1 inhibitor therapy ends at the time of progression (as defined by Response 
Evaluation Criteria in Solid Tumors (RECIST) version 1.1 (irRECIST v1.1) by physical examination and 
radiographic assessment, primarily CT scan, immune response criteria and/or loss of clinical benefit as 
assessed by the investigator). The study period is defined from the time of consent through the follow-up 
period or end of service. The last follow-up appointment occurs 6-months after the last dose of nelfinavir. 
Patients will be seen prior to end of service as per standard of care. Additional endpoints will include 
overall survival and safety. 
6.7 Rationale for Allowing Patients to Continue PD1/PDL1 immune checkpoint 
inhibitor Treatment until Loss of Clinical Benefit 
Conventional response criteria may not adequately assess the activity of immunotherapeutic agents 
because progressive disease (by initial radiographic evaluation) does not necessarily reflect therapeutic 
failure.  Because of the potential for pseudo progression/tumor immune infiltration, this study will allow 
patients to remain on PD1/PDL1 immune checkpoint inhibitor after apparent radiographic progression, 
provided the benefit-risk ratio is judged to be favorable.  Patients should be discontinued for unacceptable 


 
28 
 
toxicity or symptomatic deterioration attributed to disease progression as determined by the investigator 
after an integrated assessment of radiographic data, biopsy results (if available), and clinical status.  
Patients who show evidence of clinical benefit will be permitted to continue PD1/PDL1 immune 
checkpoint inhibitor after RECIST v1.1 criteria for progressive disease are met if they meet all of the 
following criteria: 
x 
Evidence of clinical benefit as assessed by the investigator 
x 
Absence of symptoms and signs (including worsening of laboratory values, e.g., new or 
worsening hypercalcemia) indicating unequivocal progression of disease 
x 
No decline in ECOG performance status that can be attributed to disease progression 
x 
Absence of tumor progression at critical anatomical sites (e.g., leptomeningeal disease) that 
cannot be managed by protocol-allowed medical interventions 
x 
Patients for whom approved therapies exist must provide written consent to acknowledge 
deferring these treatment options in favor of continuing study treatment at the time of initial 
progression 
The end of participation in the study may also be reached sooner if one of the following criteria applies: 
x 
Inter-current illness that prevents further administration of treatment or follow-up 
x 
Unacceptable adverse event(s) 
x 
Patient voluntarily withdraws from treatment OR 
x 
General or specific changes in the patient’s condition render the patient unacceptable for further 
treatment in the judgment of the investigator 
6.8 Off Treatment Criteria  
Patients will be removed from protocol therapy when any of the criteria listed in Section 6.3.8 applies. The 
source document will give the reason for ending protocol therapy and the date the patient was removed 
from treatment. All patients who discontinue treatment should comply with protocol specific follow-up 
procedures as outlined in Appendix 14.4. There are two exceptions to this requirement: 
x 
Patient starts a new anti-cancer therapy and/or receives additional radiation treatment prior to 
follow-up procedures 
x 
Patient withdraws consent for all study procedures or loses the ability to consent freely. 
6.9  Duration of Follow-Up 
Patients will be followed after completion or removal from protocol treatment at two protocol-mandated 
time points. The first follow-up will occur 1 month after last dose of Nelfinavir (+/- 2 weeks), while the 
second follow-up will occur 6 months from date of enrollment (+/- 2 weeks). All patients who discontinue 
treatment should comply with the procedures below unless they meet the exceptions in Section 6.8: 
x 
Physical Exam; ECOG 
x 
Adverse Events Monitoring 
x 
Concomitant Medication Monitoring 
x 
Response Assessment by irRECIST 1.1 
x 
Research Blood Collection 
x 
Optional tumor biopsy 
 
Survival follow-up will continue for 2 years from enrollment through office visits (scheduled at clinically 
indicated intervals, will vary by patient) and by review of medical record. Subjects may be contacted by 
phone call every 6 months to determine vital status. 


 
29 
 
6.10 Off Study Criteria 
Patients can be taken off study at any time at their own request, or they may be withdrawn at the 
discretion of the investigator for safety, behavioral or administrative reasons. The reason(s) for 
discontinuation from study will be documented and may include: 
x 
Patient withdraws consent (termination of treatment and follow-up) 
x 
Loss of ability to freely provide consent through imprisonment or involuntary incarceration for 
treatment; 
x 
Patient is unable to comply with protocol requirements. 
x 
Treating physician judges’ continuation on the study would not be in the patient’s best interest. 
x 
Patient becomes pregnant (pregnancy to be reported along same timelines as a serious adverse 
event. 
x 
Development of second malignancy (except for basal cell carcinoma or squamous cell carcinoma 
of the skin) that requires treatment, which would interfere with this study 
x 
Lost to Follow-up. If a research subject cannot be located to document survival after a period of 2 
years, the subject may be considered “lost to follow-up.” All attempts to contact the subject during 
the two years must be documented. 
x 
Termination of the study by the University of Washington.  
6.11 Patient Replacement 
A patient who is enrolled but did not receive any protocol therapy (one dose of PD1/PDL1 immune 
checkpoint inhibitor) is considered non-evaluable, and will be replaced.  
 
6.12 Immunological Studies  
 
Blood samples for immunologic correlated research will be collected at study intervals: baseline, nelfinavir 
only (i.e. nelfinavir run-in period), nelfinavir and first dose PD1/PDL1 immune checkpoint inhibitor (i.e. 
prior to second dose of PD1/PDL1 immune checkpoint inhibitor), post-radiation treatment, 1 month post-
Nelfinavir, and 6 months from date of enrollment (see 14.4 Treatment Calendar).  Samples will be labeled 
with the subject’s de-identified study number and collection date, processed, frozen and stored.  The 
blood will be kept within the Cancer Consortium. 
 
7.0 
ADVERSE EVENTS 
 
7.1 Adverse Event Reporting 
 
 
In accordance with institutional policy, all adverse events which in the opinion of the principal investigator 
are unexpected and related or possibly related to the research and serious or suggest that the research 
places research participants or others at greater risk of physical or psychological harm than was 
previously known or recognized be reported to the IRB within 10 calendar days of learning of the problem. 
 
Definitions: 
 
Adverse Event - Any harm or untoward medical occurrence in a research participant administered a 
medical product, medical treatment or procedure even if it does not necessarily have a causal relationship 
with the product, treatment, or procedure. An adverse event can therefore be any unfavorable and 
unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally 
associated with the use of a medicinal product, medical treatment or procedure whether or not considered 
related.  
 
Unexpected Adverse Event – An adverse event is “unexpected” when its nature (specificity), severity, or 
frequency are not consistent with (a) the known or foreseeable risk of adverse events associated with the 
research procedures described in the protocol-related documents, such as the IRB-approved research 


 
30 
 
protocol, informed consent document and other relevant sources of information such as product labeling 
and package inserts; and are also not consistent with (b) the characteristics of the subject population 
being studied including the expected natural progression of any underlying disease, disorder or condition 
any predisposing risk factor profile for the adverse event. 
 
Serious Adverse Event (SAE) – Any adverse event occurring that results in any of the following 
outcomes: 
x 
death  
x 
a life-threatening adverse event (real risk of dying) 
x 
inpatient hospitalization or prolongation of existing hospitalization 
x 
a persistent or significant disability/incapacity/or change in psychosocial status 
x 
a congenital anomaly 
x 
requires intervention to prevent permanent impairment of damage 
 
In some instances there may be exceptions to hospitalization as an SAE.  Hospital admissions for co-
morbid conditions, tumor-related diagnostic procedures, or conditions unrelated to the study treatment are 
examples of what may be exceptions. 
 
Attribution - The following are definitions for determining whether an adverse event is related to a 
medical product, treatment or procedure: 
 
x 
An adverse event is “related or possibly related to the research procedures “if in the opinion 
of the principal investigator, it was more likely than not caused by the research procedures. 
 
x 
Adverse events that are solely caused by an underlying disease, disorder or condition of the 
subject or by other circumstances unrelated to the research or any underlying disease, disorder 
or condition of the subject are not “related or possibly related.”  
 
x 
If there is any question whether or not an adverse event is related or possibly related, the adverse 
event should be reported. 
 
The synergistic effects of PD1/PDL1 immune checkpoint inhibitor and nelfinavir are not fully studied; 
therefore all AEs will be recorded if provider is unable to rule out the adverse event as unrelated to both 
nelfinavir and PD1/PDL1 immune checkpoint inhibitor. Both the Cancer Consortium IRO Expedited 
Reporting Form for Unanticipated Problems or Noncompliance and the Adverse Event Reporting Form 
should be completed for all adverse events that meet the expedited reporting requirements. The forms 
should be mailed directly to the IRO (J2-100) no later than 10 calendar days after the Principal 
Investigator first becomes aware of the event. Submit only the original documents. All available 
information should be submitted. 
 
7.2 Duration and Grade of Adverse Event Capture 
At each contact with the subject, the investigator must seek information on adverse events by specific 
questioning and, as appropriate, by examination.  Information on all adverse events should be recorded 
immediately in the source document, and also in the appropriate adverse event module of the case report 
form (CRF).  All clearly related signs, symptoms, and abnormal diagnostic procedures results should be 
recorded in the source document, though should be grouped under one diagnosis. 
 
All adverse events occurring after nelfinavir starts will be recorded.  The clinical course of each event 
should be followed until resolution, stabilization, or until it has been determined that the study treatment or 
participation is not the cause.  Serious adverse events that are still ongoing at the end of the study period 
must be followed up to determine the final outcome.  Any serious adverse event that occurs after the 
study period and is considered to be possibly related to the study treatment or study participation should 
be recorded and reported immediately. 
 


 
31 
 
7.3 Adverse Event Grading 
Toxicities will be graded using the NCI Common Terminology Criteria for Adverse Events (CTCAE) 
Version 5.0. Citing the website under this section in the protocol rather than printing the entire document 
is sufficient unless the study is modifying the criteria.  
 
All CTC grades will be followed and reported unless noted in the protocol. For IND studies, FDA review of 
exceptions to AE reporting is recommended: note the duration of the AE reporting period and grades of 
AEs to be captured. 
 
7.4 Investigator Reporting: Notifying the FHCRC Institutional Review Office 
Any study-related unanticipated problem posing risk of harm to subjects or others, and any type of 
serious adverse event, must be reported to the PI by telephone within 24 hours of the event.  To report 
such events, a Serious Adverse Event (SAE) form must be completed by the investigator and faxed to the 
CCIRB within 24 hours.  The investigator will keep a copy of this SAE form on file. 
 
Ramesh Rengan MD PhD Phone: 206-598-4110; Mobile: 206-890-7195; or via the UW Page operator 
 
Within the following 48 hours, the investigator must provide further information on the serious adverse 
event or the unanticipated problem in the form of a written narrative.  This should include a copy of the 
completed Serious Adverse Event form, and any other diagnostic information that will assist the 
understanding of the event.  Significant new information on ongoing serious adverse events should be 
provided promptly to the CCIRB 
 
 
8.0 DATA AND SAFETY MONITORING PLAN 
 
 
Protocols are reviewed at least annually and as needed by the Consortium Data and Safety Monitoring 
Committee (DSMC), FHCRC Scientific Review Committee (SRC) and the FHCRC/University of 
Washington Cancer Consortium Institutional Review Board (IRB).  The review committees evaluate 
accrual, adverse events, stopping rules, and adherence to the applicable data and safety monitoring plan 
for studies actively enrolling or treating subjects.  The IRB reviews the study progress and safety 
information to assess continued acceptability of the risk-benefit ratio for human subjects.  Approval of 
committees as applicable is necessary to continue the study. 
 
In addition, protocol will be reviewed approximately every 6 months while the study is enrolling and as 
needed by an independent Data and Safety Monitoring Board (DSMB). DSMB responsibilities are 
outlined in the DSMB Charter. All DSMB members are completely independent of the trial and are in 
compliance with institutional policy regarding conflict of interest. The PI will be responsible for promptly 
reviewing the DSMB recommendations to decide whether to continue or terminate the trial, and to 
determine whether amendments to the protocol or changes in study conduct are required. As 
recommended by the DSMC in July 2019, the DSMB will convene after the re-opening of the trial to 
enrollment in 2019 or 2020 to review the 1st 2 or 3 patients enrolled (or within a pre-specified time frame- 
e.g. 3 months) on the protocol and will file a report for the DSMC to review. The DSMB will meet quarterly 
thereafter. 
 
Institutional support of trial monitoring will be in accordance with the FHCRC/University of Washington 
Cancer Consortium Institutional Data and Safety Monitoring Plan.  Under the provisions of this plan, 
FHCRC Clinical Research Support (CRS) coordinates data and compliance monitoring conducted by 
consultants, contract research organizations, or FHCRC employees unaffiliated with the conduct of the 
study.  Independent monitoring visits occur at specified intervals determined by the assessed risk level of 
the study and the findings of previous visits per the institutional DSMP.  
 
The trial will comply with the standard guidelines set forth by these regulatory committees and other 
institutional, state and federal guidelines. 


 
32 
 
 
9.0 ASSESSMENT OF EFFICACY 
 
 
9.1 Efficacy Parameters 
This protocol will assess response according to irRECIST v1.1 and the immune-related response criteria 
as outlined by Nishino et al as outlined in section 4.2.(48)  
  
9.2 Method and Timing 
Patients will undergo their initial response assessment by CT scans between weeks 12-14 after initiation 
of -PD1/PDL1 immune checkpoint inhibitor, every 12-14 weeks thereafter until progression, or as clinically 
indicated per institutional standards. The response assessments will not be read in real time. The formal 
reads of the response assessments will be completed once there is a statistically valid endpoints 
assessment at the end of trial accrual. 
 
9.3 Other Response Parameters 
      Immune correlative studies will be performed on bio-specimens collected and is outlined in the study 
schema and calendar. The time-points of blood collection will be at baseline, while on nelfinavir only, after 
the first dose of PD1/PDL1 immune checkpoint inhibitor, post-radiation treatment, 1 month (+/- 2 weeks) 
after taking Nelfinavir, and 6 months (+/- 2 weeks) from enrollment  (see Appendix 14.4 Treatment 
Calendar).   
 
 
10.0 DATA MANAGEMENT/CONFIDENTIALITY 
 
The investigator will ensure that data collected conform to all established guidelines. Each subject is 
assigned a unique patient number to assure subject confidentiality. Subjects will not be referred to by this 
number, by name, or by any other individual identifier in any publication or external presentation. The 
licensed medical records department, affiliated with the institution where the subject receives medical 
care, maintains all original inpatient and outpatient chart documents. 
 
11.0 STATISTICAL CONSIDERATIONS 
 
11.1 Sample Size with Power Justification 
The primary objective of this study is to evaluate the response rate in patients with non-small cell lung 
cancer (NSCLC), melanoma, or renal cell carcinoma (RCC) treated with nelfinavir, radiation therapy and 
anti-PD-1/PD-L1 therapy.  Evaluation of this investigational therapy will be done in disease-specific 
cohorts separately evaluated by patients naïve to anti-PD-L1/PD-L1 therapy and those with disease 
refractory to anti-PD-1/PD-L1 therapy.  
 
The total sample size for this study is 20 patients in each of the 6 cohorts (3 disease type by 2 anti-PD-
1/PD-L1 exposure groups) for a total of 120 patients evaluable for response. The expected accrual rate is 
30 patients per year. The design within each cohort is a single arm, single stage design. The sample size 
justification for each of the cohorts is follows. Sample size calculations were done using this calculator:  
https://stattools.crab.org/Calculators/oneArmBinomial.html.  
 
Non-Small Cell Lung Cancer (NSCLC): 
1. Checkpoint Naïve:  In this cohort a true response rate of 50% or greater would be 
considered evidence of activity whereas a response rate of 25% or less (based on 
historical data) would not be considered of interest. With 20 patients, this study has 86% 
power to rule out a response rate of 25%, at the 1-sided 0.10 level if the true response 
rate were 50%.  The observation of at least 8 responses (8/20; 40% ORR) would be 


 
33 
 
considered evidence to rule out a response rate of 25%. The exact power and type I error 
for this design are 87% and 10%, respectively.  
2. Checkpoint refractory:  In this cohort a true response rate of 25% or greater would be 
considered evidence of activity whereas a response rate of 5% or less (based on 
historical data) would not be considered of interest. With 20 patients, this study has 91% 
power to rule out a response rate of 5%, at the 1-sided 0.10 level if the true response rate 
were 25%.  The observation of at least 3 responses (3/20; 15% ORR) would be 
considered evidence to rule out a response rate of 5%. The exact power and type I error 
for this design are 91% and 7.6%, respectively.  
Melanoma: 
3. Checkpoint Naïve:  In this cohort a true response rate of 68% or greater would be 
considered evidence of activity whereas a response rate of 43% or less (based on 
historical data) would not be considered of interest. With 20 patients, this study has 84% 
power to rule out a response rate of 43%, at the 1-sided 0.10 level if the true response 
rate were 68%.  The observation of at least 11 responses (11/20; 55% ORR) would be 
considered evidence to rule out an rate of 43%. The exact power and type I error for this 
design are 93% and 19.5%, respectively.  
 
4. Checkpoint refractory:  In this cohort a true response rate of 40% or greater would be 
considered evidence of activity whereas a response rate of 15% or less (based on 
historical data) would not be considered of interest. With 20 patients, this study has 90% 
power to rule out a response rate of 15%, at the 1-sided 0.10 level if the true response 
rate were 40%.  The observation of at least 5 responses (5/20; 25% ORR) would be 
considered evidence to rule out an response rate of 15%. The exact power and type I 
error for this design are 95% and 17%, respectively.  
Renal Cell Carcinoma: 
5. Checkpoint Naïve:  In this cohort a true response rate of 50% or greater would be 
considered evidence of activity whereas a response rate of 25% or less (based on 
historical data) would not be considered of interest. With 20 patients, this study has 86% 
power to rule out a response rate of 25%, at the 1-sided 0.10 level if the true response 
rate were 50%.  The observation of at least 8 responses (8/20; 40% ORR) would be 
considered evidence to rule out a response rate of 25%. The exact power and type I error 
for this design are 87% and 10%, respectively.  
 
6. Checkpoint refractory:  In this cohort a true response rate of 25% or greater would be 
considered evidence of activity whereas a response rate of 5% or less (based on 
historical data) would not be considered of interest. With 20 patients, this study has 91% 
power to rule out a response rate of 5%, at the 1-sided 0.10 level if the true response rate 
were 25%.  The observation of at least 3 responses (3/20; 15% ORR) would be 
considered evidence to rule out a response rate of 5%. The exact power and type I error 
for this design are 91% and 7.6%, respectively.  
 
11.2  Analysis Plan 
The primary analysis within each cohort will done on patients who receive at least one dose of nelfinavir, 
and anti-PD-1/PD-L1 therapy and at least one fraction of radiation.  The safety analysis population will 
include all patients who receive at least one dose of any of the study drugs. 


 
34 
 
 
Binary endpoints (response, toxicity) will be summarized as proportions with associated 90% Clopper-
Pearson confidence intervals.  With 20 patients per cohort, binary proportions can be estimated to within 
18% with 90% confidence.  Any toxicity with true prevalence of at least 10% is likely to be observed (with 
88% probability).   
 
The distribution of time-to-event endpoints will be estimated using the method of Kaplan-Meier to derive 
estimates for median times and percentages at landmark times (e.g. 6 months).  Confidence intervals for 
median times will be estimated using the Brookmeyer-Crowley method and for landmark times will be 
calculated using Greenwood’s formula and based on a log-log transformation applied on the survival 
function. 
 
A logistic regression model will be used to assess the association between response and factors such as 
smoking within each cohort.  These associations will be summarized by odds ratios and associated 
confidence intervals and p-values. A Cox regression model will be used to assess the association 
between time-to-event outcomes (PFS,OS) and  factors within each cohort.  Similarly, these associations 
will be summarized by hazard ratios and associated confidence intervals and p-values. 
11.3 Safety Monitoring  
Toxicities will be monitoring on an on-going basis.  If a Grade 5 adverse event with attribution as possibly, 
probably, or likely related to treatment is observed, then accrual to the study will be placed on hold with 
review by the DSMB needed.  Consideration for the event will include if the patient was naïve to anti-PD-
1/PD-L1 therapy or previously-exposed to anti-PD-1/PD-1 therapy.   
  
A key toxicity of concern is hepatoxicity, with grade 4 interpreted as a clinically significant event.  
Historical rates of Grade 3-4 hepatoxicity with PD-1/PD-L1 therapy are 5-30% and 3% with nelfinavir. For 
monitoring of this event, evidence suggesting that the observed rate of Grade 4 hepatoxicity exceed a 
true rate of 15% would result in temporary closure of the study with expedited DMSC review.  Evidence to 
suggest this will be based on the lower bound of an 80% confidence interval excluding 15%, pooling all 
patients on trial (regardless of disease type and prior exposure to anti-PD-1/PD-L1) and assessed within 
enrollment cohorts.  As such, accrual to the study will be placed on hold if 2/2-4, 3/5-8, 4/9-12, 5/13-17, 
6/18-21, 7/22-26, 8/27-31, 9/32-36, 10/37-41, 11/42-46,12/47-51, 13/52-57, 14/58-62, 15/63-67, 16/68-73, 
17/74-78, 18/79-84, 19/85-89, 20/90-95, 21/96-100, 22/101-106, 23/107-111, 24/112-117, or 25/118-120 
patients are observed to have a Grade 4 hepatoxicity event.   
 
11.4 Accrual  
 
Projected Target Accrual 
ETHNIC AND GENDER DISTRIBUTION CHART 
 
TARGETED / PLANNED ENROLLMENT: Number of Subjects 
Ethnic Category 
 
Sex / Gender 
 
Females 
Males 
Total 
Hispanic or Latino 
8 
10 
18 
Not Hispanic or Latino 
42 
60 
102 
Ethnic Category Total of All Subjects* 
50 
70 
120 
 
Racial Categories 
 
 
American Indian / Alaska Native 
4 
4 
8 


 
35 
 
Asian 
4 
4 
8 
Native Hawaiian or Other Pacific Islander 
0 
0 
0 
Black or African American 
4 
4 
8 
White 
38 
58 
96 
More Than One Race 
0 
0 
0 
Racial Categories: Total of All Subjects* 
50 
70 
120 
12.0 INVESTIGATOR OBLIGATIONS 
 
The PI is responsible for the conduct of the clinical trial at the site and is responsible for personally 
overseeing the treatment of all study subjects. The PI must assure that all study site personnel, including 
sub-Investigators and other study staff members, adhere to the study protocol and to all applicable 
regulations and guidelines regarding clinical trials both during and after study completion. 
 
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44.Brunner TB, Geiger M, Grabenbauer GG, Lang-Welzenbach M, Mantoni TS, Cavallaro A, et al. Phase 
I trial of the human immunodeficiency virus protease inhibitor nelfinavir and chemoradiation for locally 
advanced pancreatic cancer. J Clin Oncol. 2008;26(16):2699-706. doi: 10.1200/JCO.2007.15.2355. 
PubMed PMID: 18509182. 
45.Buijsen J, Lammering G, Jansen RL, Beets GL, Wals J, Sosef M, et al. Phase I trial of the combination 
of the Akt inhibitor nelfinavir and chemoradiation for locally advanced rectal cancer. Radiotherapy and 
oncology : journal of the European Society for Therapeutic Radiology and Oncology. 2013;107(2):184-8. 
doi: 10.1016/j.radonc.2013.03.023. PubMed PMID: 23647753. 


 
38 
 
46.Blumenthal GM, Gills JJ, Ballas MS, Bernstein WB, Komiya T, Dechowdhury R, et al. A phase I trial of 
the HIV protease inhibitor nelfinavir in adults with solid tumors. Oncotarget. 2014;5(18):8161-72. PubMed 
PMID: 25327558; PubMed Central PMCID: PMC4226674. 
47. Rengan R, Mick R, Pryma D, Rosen MA, Lin LL, Maity AM, et al. A phase I trial of the HIV protease 
inhibitor nelfinavir with concurrent chemoradiotherapy for unresectable stage IIIA/IIIB non-small cell lung 
cancer: a report of toxicities and clinical response. Journal of thoracic oncology : official publication of the 
International Association for the Study of Lung Cancer. 2012;7(4):709-15. doi: 
10.1097/JTO.0b013e3182435aa6. PubMed PMID: 22425919; PubMed Central PMCID: PMC3310889. 
48.Nishino M, Gargano M, Suda M, Ramaiya NH, Hodi FS. Optimizing immune-related tumor response 
assessment: does reducing the number of lesions impact response assessment in melanoma patients 
treated with ipilimumab? Journal for immunotherapy of cancer. 2014;2:17. doi: 10.1186/2051-1426-2-17. 
PubMed PMID: 24991412; PubMed Central PMCID: PMC4077549. 
49. Reck M, Rodriguez-Abreu D, Robinson AG, et al: Pembrolizumab versus Chemotherapy for PD-L1-
Positive Non-Small-Cell Lung Cancer. N Engl J Med 375:1823-1833, 2016 
50. Ribas A, Puzanov I, Dummer R, et al: Pembrolizumab versus investigator-choice chemotherapy for 
ipilimumab-refractory melanoma (KEYNOTE-002): a randomised, controlled, phase 2 trial. Lancet Oncol 
16:908-18, 2015 
51. Rizvi NA, Hellmann MD, Snyder A, et al: Cancer immunology. Mutational landscape determines 
sensitivity to PD-1 blockade in non-small cell lung cancer. Science 348:124-8, 2015 
52. Robert C, Schachter J, Long GV, et al: Pembrolizumab versus Ipilimumab in Advanced Melanoma. N 
Engl J Med 372:2521-32, 2015 
53. Fehrenbacher L, Spira A, Ballinger M, et al: Atezolizumab versus docetaxel for patients with 
previously treated non-small-cell lung cancer (POPLAR): a multicentre, open-label, phase 2 randomised 
controlled trial. Lancet 387:1837-46, 2016 
54. Brower V: Atezolizumab in advanced non-small-cell lung cancer. Lancet Oncol 18:e434, 2017 
55. Chow JCH, Cheung KM, Cho WCS: Atezolizumab in non-small cell lung cancer: the era of precision 
immuno-oncology. Ann Transl Med 5:265, 2017 
56. Markham A: Atezolizumab: First Global Approval. Drugs 76:1227-32, 2016 
57. Rexer H, Doehn C: [First-line treatment for advanced renal cell carcinoma : A phase 3, open-label, 
randomized study of Atezolizumab (Anti-PD-L1-Antibody) in combination with Bevacizumab versus 
Sunitinib in patients with untreated advanced renal cell carcinoma ("IMmotion") - AN 37/15 der AUO]. 
Urologe A 55:1242-3, 2016 
58. Santini FC, Rudin CM: Atezolizumab for the treatment of non-small cell lung cancer. Expert Rev Clin 
Pharmacol:1-11, 2017 
59. Seetharamu N, Preeshagul IR, Sullivan KM: New PD-L1 inhibitors in non-small cell lung cancer - 
impact of atezolizumab. Lung Cancer (Auckl) 8:67-78, 2017 
60. Weinstock C, Khozin S, Suzman D, et al: U.S. Food and Drug Administration Approval Summary: 
Atezolizumab for Metastatic Non-Small Cell Lung Cancer. Clin Cancer Res, 2017 
61. Jeanson A, Barlesi F: MEDI 4736 (durvalumab) in non-small cell lung cancer. Expert Opin Biol Ther:1-
7, 2017 
62. Mok T, Schmid P, Aren O, et al: 192TiP: NEPTUNE: A global, phase 3 study of durvalumab 
(MEDI4736) plus tremelimumab combination therapy versus standard of care (SoC) platinum-based 
chemotherapy in the first-line treatment of patients (pts) with advanced or metastatic NSCLC. J Thorac 
Oncol 11:S140-1, 2016 
63. Peters S, Antonia S, Goldberg SB, et al: 191TiP: MYSTIC: a global, phase 3 study of durvalumab 
(MEDI4736) plus tremelimumab combination therapy or durvalumab monotherapy versus platinum-based 
chemotherapy (CT) in the first-line treatment of patients (pts) with advanced stage IV NSCLC. J Thorac 
Oncol 11:S139-40, 2016 
64. Planchard D, Yokoi T, McCleod MJ, et al: A Phase III Study of Durvalumab (MEDI4736) With or 
Without Tremelimumab for Previously Treated Patients With Advanced NSCLC: Rationale and Protocol 
Design of the ARCTIC Study. Clin Lung Cancer 17:232-236 e1, 2016 
65. Larkin J, Hodi FS, Wolchok JD: Combined Nivolumab and Ipilimumab or Monotherapy in Untreated 
Melanoma. N Engl J Med 373:1270-1, 2015 
66. Postow MA, Chesney J, Pavlick AC, et al: Nivolumab and ipilimumab versus ipilimumab in untreated 
melanoma. N Engl J Med 372:2006-17, 2015 


39 
67. Wolchok JD, Kluger H, Callahan MK, et al: Nivolumab plus ipilimumab in advanced melanoma. N Engl 
J Med 369:122-33, 2013 
68. Borghaei H, Paz-Ares L, Horn L, et al: Nivolumab versus Docetaxel in Advanced Nonsquamous Non-
Small-Cell Lung Cancer. N Engl J Med 373:1627-39, 2015
69. Brahmer J, Reckamp KL, Baas P, et al: Nivolumab versus Docetaxel in Advanced Squamous-Cell 
Non-Small-Cell Lung Cancer. N Engl J Med 373:123-35, 2015
70. Motzer RJ, Escudier B, McDermott DF, et al: Nivolumab versus Everolimus in Advanced Renal-Cell 
Carcinoma. N Engl J Med 373:1803-13, 2015 
71. Soren Gantt, AIDS Malignancy Consortium, Nelfinavir Mesylate in Treating Patients With Kaposi 
Sarcoma, NCT03077451 https://clinicaltrials.gov/ct2/show/NCT03077451 
14.0 APPENDICES
14.1 Study Schema 
 
14.2 ECOG Performance Status Scale 
ECOG Performance Scale
GRADE
SCALE
0 
Fully active, able to carry out all pre-disease performance without restriction
1 
Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or 
sedentary nature, e.g., light housework, office work 
2 
Ambulatory and capable of all self-care but unable to carry out work activities. Up and about 
more than 50% of waking hours. 
3 
Capable of only limited self-care, confined to bed or chair more than 50% of waking hours.  
4 
Completely disabled. Cannot carry on any self-care. Totally confined to bed or chair. 
5 
Dead


 
40 
 
 
14.3 Patient Pill Calendar 
Patient Pill Calendar 
Patient ID # 
Patient Initials: 
Bottle #:  
 
This is a calendar on which you are to record the time and number of tablets you take each 
day. You should take your scheduled dose of each pill. Note the times and the number of 
tablets that you take each day. If you develop any side effects, please record them and 
anything you would like to tell the doctor in the space provided. Bring any unused tablets and 
your completed pill calendar to your doctor’s visits. 
 
DAY 
Date 
Month  Day 
Year 
Time pills 
taken 
 
 
 
AM 
PM 
Number of 
pills taken 
 
 
 
AM 
PM 
Use the space below to make notes 
about things you would like to tell the 
doctor (including unusual symptoms 
you experience, etc.) 
1 
 
 
 
 
 
 
2 
 
 
 
 
 
 
3 
 
 
 
 
 
 
4 
 
 
 
 
 
 
5 
 
 
 
 
 
 
6 
 
 
 
 
 
 
7 
 
 
 
 
 
 
8 
 
 
 
 
 
 
9 
 
 
 
 
 
 
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14.4 Treatment Calendar
 

ICF_001.pdf: 
 
 
Fred Hutchinson Cancer Research Center 
Seattle Cancer Center Alliance 
University of Washington 
Consent to take part in a research study: 
lmmunoRad: Stratified Phase II Trial of Image Guided Hypofractionated Radiotherapy 
with concurrent Nelfinavir and lmmunotherapy in Advanced Melanoma, Lung Cancer, 
and Renal Cell Carcinoma 
Principal Investigator: Ramesh Rengan, MD PhD. University of Washington; Fred 
Hutchinson Cancer Research Center. 
Emergency number (24 hours): 206-598-3300 
Ask to speak to the resident on call 
Your Study Doctor: _________________ Phone Number: _______________________
 
 
We would like you to join this research study. 
This is a clinical trial, a type of research study. Your study doctor will explain the clinical trial to 
you. Clinical trials include only people who choose to take part. Please take your time to make 
your decision about taking part. You may discuss your decision with your friends and family. You 
can also discuss it with your health care team. If you have any questions, you can ask your 
study doctor for more explanation. 
You are being invited to participate in a research study because you have metastatic melanoma 
or skin cancer, non-small cell lung cancer, or renal cell carcinoma that has spread to another 
part of your body and your cancer doctor has recommended treatment with an anti-PD1/PDL 1 
immunotherapy: 
Pembrolizumab 
(Keytruda®), 
Nivolumab 
(Opdivo®), or Atezolizumab 
(Tecentriq®).  Secondly, you have a tumor that can be benefited by radiation. We plan to enroll 
a maximum of 120 people at the University of Washington/Seattle Cancer Care Alliance. 
Research is not the same as treatment or medical care. The purpose of a research study is to 
answer scientific questions. 
You do not have to be in this study. You are free to say yes or no, or to drop out after joining. 
There is no penalty or loss of benefits if you say no. Whatever you decide, your regular medical 
care will not change. 
Why is this study being done? 
Nelfinavir (brand name Viracept®) is a protease inhibitor and is approved in the United States 
and Canada for the treatment of HIV.  Studies have suggested that protease inhibitors such as 
Nelfinavir may be effective against cancer.  Nelfinavir appears to inhibit the regulation of cellular 
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processes vital for cancer and its spread. Nelfinavir has also been shown to have 
radiosensitizing properties, which causes radiation to be more effective. 
Stereotactic body radiotherapy (SBRT) is a form of radiation treatment that uses a tightly 
focused radiation beam in order to deliver radiation to your tumor as accurately as possible. 
We are doing this study to evaluate whether the use of radiation with Nelfinavir given with 
PD1/PDL 1 inhibitor immunotherapy that your doctor has recommended for you can improve the 
control of cancer and prevent further spread. 
What will happen if I take part in this research study? 
Before you begin the study 
To make sure that you are not at increased risk for side effects and are eligible to receive 
treatment with SBRT+Nelfinavir +PD1/PDL 1 inhibitor, your study doctor will need to evaluate 
your health. 
These exams, tests or procedures are part of regular cancer care and may be done even if you 
do not join the study. If you have had some of them recently, they may not need to be repeated. 
This will be up to your study doctor. These procedures include: 
•
Medical history and physical examination
•
Urine or serum pregnancy test (for females of childbearing potential)
•
A scan to evaluate your tumor. This may be CT, PET/CT, MRI or another type of scan.
•
Laboratory tests for
o
Blood counts
o
Blood chemistry
For research purposes, about four tablespoons of blood will be drawn from one of your veins to 
conduct laboratory tests to make sure that you are able to participate and to provide additional 
information about how the drug may act in your body. 
During the study 
Once your study doctor ensures that you are not at increased risk for side effects and are 
eligible to receive the study treatment, you can begin the study therapy. 
Upon entry into the study, you will begin taking Nelfinavir, 1250 mg (two 625 mg pills) 
taken twice a day. You will take this drug during the first 3 months of the study. We will 
tell you when you start and stop taking the drug. You will be asked to keep a drug diary to 
make sure you are taking the drug as well as keeping track of how you are feeling. 
After one to two weeks of starting Nelfinavir, you will begin your PD1/PDL1 inhibitor 
infusions. This is medicine administered by intravenous (IV) infusion, meaning the drug 
is given by inserting a needle into a vein in your arm. A pump will be used to ensure the 
correct amount of medicine is given. This treatment will be given every two to three weeks 
with the treatment lasting from 30 minutes to 1 hour. 
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Radiation will be given after the 1st infusion and before the 3rd infusion of PD1/PDL 1 
inhibitor. You will receive three doses of Stereotactic Body Radiotherapy (SBRT) to a 
single tumor. Treatments can be delivered consecutively or several days apart. 
We will also be collecting your blood at specific time-points for markers of immune response. 
These are called correlative studies, and are specifically done for research purposes.  This 
blood will be taken at the same time you have routine lab work, thus you will not have extra lab 
draws 
6 Collection Timepoints: 
•
Baseline I Before you start treatment
•
After 1-2 weeks on Nelfinavir only
•
After 1s1 dose of PD1/PDL 1 lmmunotherapy
•
After Radiation Treatment
, • 1-month (+/- 2 weeks) Follow-up Visit (after last dose of Nelfinavir)
•
6-months (+/- 2 weeks)   Follow-up Visit (from when you start the trial)
We will collect 9 tubes of blood, or about 5-6 tablespoons each collection. This blood will be 
stored for processing when the study has been completed.  These samples will not have your 
name on them and will only have a study number. You will not receive results of these tests. 
Another way to find out what will happen to you during this research study is to read the chart 
below: 
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Nelfinavir (1250mg PO BID with meals) for  11-12 
weeks
Follow-up 
Follow-up 
 Appointment         Appointment 
) 
1 
1 
1 
Follow-Up Appointments 
1 month (+/- 2 weeks) after the last day you take nelfinavir 
•
Physical exam with vital signs
•
Research Blood Draw
•
CT Scans
6 months (+/- 2 weeks) after you start on the trial 
•
Physical exam with vital signs
•
Research blood draw
•
CT scan(s)
Follow-up (long term) 
The study team would like to keep in contact with you for up to 2 years after you stop taking the 
study drug. This may be done by regularly scheduled office visits, or by a phone call.
How long will I be in the study? 
If you choose to participate in this study, you will take the nelfinavir pills twice a day for 
11-12 weeks, depending on how long you are taking it prior to initiating your PD1/PDL 1
immunotherapy treatment. The follow-up appointment 6 months after you stop taking the
nelfinavir will mark the end of the study period.  H o w e v e r ,  y o u  w i 1 1    c o n t i n u e
y o u r  P D 1 / P D L 1  i m m u n o t h e r a p y  t r e a t m e n t  s c h e d u le  u n t i l  i t  i
s n o  Io n g e r  h e I p i n g  y o u  o r  y o u  c a n  n o  Io n g e r  t o Ie r a t e  it . Based
6 Research Collectlon Time Points 
Baseline, Nelflnavlr Only, Nelfinavlr + tmmunotherapy,After Radiation, 1month (+/. 2 weeks) after finishing Nelfinavlr, 
and 6 Months(+/· 2 weeks) after you enroll on this trlal 
Enrollment
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on discussions between you and your study doctor, you may discontinue for other 
reasons including your decision to stop being treated 
Can I stop being in the study? 
You may leave the study at any time. If you decide to stop participating in the study, we 
encourage you to talk to the researcher and your regular doctor first. If you decide to stop 
participating in the study, there will be no penalty to you, and you will not lose any benefits 
to which you are otherwise entitled. Your decision will not affect your future relationship 
with the University of Washington. If you leave the study, your test results and information 
cannot be removed from the study records. 
What side effects or risks can I expect from being in the study? 
You may have side effects while on the study. Everyone taking part in the study will be 
watched carefully for any side effects. However, doctors don't know all the side effects that 
may happen using these treatments together. Side effects may be mild or very serious. Your 
health care team may give you medicines to help lessen side effects. In some cases, side 
effects can be serious, long lasting, or may never go away. There also is a risk of death. 
This form lists side effects of individual treatments. 
You should talk to your study doctor about any side effects that you have while taking part in 
the study. 
Risks of PD1/PDL 1 lmmunotherapy 
Anti-PD1/PDL 1 immunotherapy agents are known to cause several side effects listed below. 
This information has been summarized from cancer subjects in other clinical trials using 
PD1/PDL1  immunotherapy. 
Likely side effects (20% or more of patients) 
• Feeling tired 
• Pain in muscles, bones, and joints 
• Diarrhea 
• Weakness 
• Shortness of breath 
• Decreased appetite 
• Upper respiratory tract infection 
• Rash 
• Itchy skin 
• Nausea 
• Cough 
• Constipation 
• Back pain 
• Fever 
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Less common (10% or more of patients) 
• Irregular heartbeat 
• Eye disorders 
• Infusion-related reactions (while getting treatment) 
• Numbing 
• Dizziness 
• Changes that show up in blood tests (white blood cells, metabolic, liver) 
• Chills 
• Weight gain 
• Vomiting 
Rare but serious immune-mediated reactions (3% or less of patients) 
Conditions that occur when the immune system over-reacts or attacks itself: 
• Immune-mediated pneumonitis  (lung inflammation) 
• Immune-mediated colitis (inner lining of colon inflammation) 
• Immune-mediated hepatitis (liver inflammation) 
• Immune-mediated endocrinopathies  (endocrine/hormone  gland inflammation) 
• Immune-mediated nephritis and renal dysfunction (kidney inflammation) 
• Immune-mediated skin adverse reactions 
• Other Immune-mediated reactions that will require high dose corticosteroids 
Risks of Radiation/  Radiotherapy 
In this study you will receive radiotherapy. Radiotherapy is a standard treatment for cancer. 
The total dose of radiation you will receive on this trial  is 24 Gy (gray or "Gy" is the unit of 
radiation dose measured in terms of how your tissue absorbs energy). This dose will be divided 
into 3 days of treatment. The most common side effects of radiotherapy are listed below. The 
side effects of radiation are either early (which occur during radiation and usually go away after 
the completion of radiation) or late (which occur several weeks, months or years after the 
completion of radiation).  You can further discuss these risks with your study doctor. 
Likely side effects (20% or more of patients) 
• Tiredness for no apparent reason, which is temporary 
The skin  in the treatment  area may become reddened and/or dry, and hair in the 
treatment area may fall out and may not grow back 
• Scar tissue formation at the site of radiation that could affect the functioning of the lungs 
( If you receive radiation to the Lung) 
• Tanning of the skin; leather-like feeling (If you receive radiation to a Subcutaneous 
Tumor) 
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• A common effect of this treatment in previous studies was eventual collapse of a portion 
of the treated lung. This collapse generally affects a limited portion of the lung, but the 
collapse appears to be permanent. Efforts will be made to reduce this risk and limit its 
effect. If collapse of a portion of the treated lung occurs, you will have shortness of 
breath at rest or during exercise, may need to receive oxygen, and/or may have chest 
wall pain. A few patients may need oxygen therapy permanently. A collapse of a portion 
of the lung may be life threatening. 
• Fracturing ( If you receive radiation to the Bone) 
• Scar tissue formation at the site of radiation that could affect surrounding organ function 
( If you receive radiation to the liver) 
Rare (Less than 2%) but serious side effects 
• small or large bowel obstruction 
• bladder spasms 
• risk of damage to bones resulting in fracture 
• development of second tumors 
Risks of Nelfinavi r (Viracept®) 
There are many other medicines that can interact with nelfinavir. Tell your doctor about all 
medications you use. This includes prescription, over-the-counter,  vitamin, and herbal 
products. Do not start a new medication without telling your doctor. The most reported side 
effect of nelfinavir is diarrhea, occurring in 20% or less of patients. 
Rare but serious (2% or less of patients) side effects of Nelfinavir include: 
• Hematologic changes that show up in blood tests including decreased lymphocytes, 
neutrophils, platelets and hemoglobin 
• Metabolic changes including abnormal liver function tests and high blood sugar that show 
up in blood tests 
• Stomach bleeding and problems with digestive system 
Combined Therapy Risks 
The effects of combining nelfinavir, radiation, and your PD1/PDL1 immunotherapy are not fully 
studied. 
Likely side effects (20% or more of patients) 
• With this particular combination, we have seen a higher percentage of patients who 
experienced immune-mediated  hepatitis (liver inflammation) compared to Nelfinavir or 
PD1/PDL 1 immunotherapy alone. Cases of immune-mediated hepatitis have responded 
to therapy. 
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In addition, we know that PD1/PDL 1 immunotherapy will ramp up your body's ability to fight 
against the cancer, which may leave you feeling like you have the flu. 
• Fever 
• Chills 
• Weakness 
• Dizziness 
• Nausea or Vomiting 
• Muscle or Join Aches 
• Fatigue 
• Headache 
• Trouble Breathing 
• Low or High Blood Pressure 
• Swelling and Weight Gain (fluid retention) 
• Heart Palpitations 
• Sinus Congestion 
• Diarrhea 
• Risk of infection 
Reproductive  risks 
The study drugs and SBRT may cause serious harm to unborn children or children who are 
breast-feeding. These effects could also harm the mother. It is also possible that harmful side 
effects that are not yet known could happen to both the mother and unborn or breast-feeding 
child. If you are currently pregnant, it is important that you inform the investigator because you 
will not be able participate in the study. If you are able to become pregnant, you will have 
either a urine or serum pregnancy test before entry into the study. 
You are asked to use a medically accepted method of birth control such as prescribed pill or 
intrauterine implant while you participate in the study. You should not become pregnant while 
you are taking part in this study. If you do become pregnant, you must tell the investigator and 
consult an obstetrician or maternal-fetal specialist. 
If you are a man, you must use a means of birth control (such as condoms, abstinence, 
vasectomy) while you are taking part in this study because the effect of treatment on your 
sperm or upon the development of an unborn child is not known. 
Other Risks 
The risks of blood drawing and intravenous injection include bruising, bleeding and infection, 
and rarely, nerve damage. Problems and side effects that are not known to the doctors at this 
time could also occur and could include life-threatening events. You will be told of any 
changes in the way the study is conducted and of any new risks that might be found. 
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If I take part in this study, can I also participate in other studies? 
Being in more than one research study at the same time. or even at different times. may 
increase the risks to you.  It may also affect the results of the studies.  You should not take 
part in more than one study without approval from the researchers involved in each study. 
What are the benefits? 
We do not know if SBRT with concurrent  Nelfinavir and PD1/PDL1 inhibitor immunotherapy 
will help treat your cancer.  You may or may not receive any personal benefits from being in 
this study. Benefit to you may be in the form of improved survival. Others may benefit by 
knowledge gained from this study. We may be able to tell in the future, just who may benefit 
the most from the combination of radiation and PD1/PDL 1 inhibitor immunotherapy for 
cancer. 
You have other choices besides this study. 
You do not have to join this study. You are free to say "yes" or "no". Your regular medical 
care would not change if you decide to say "no". 
Your other choices may include the following: 
• Getting treatment or care for your cancer without being in a study (according to the 
discretion of your treating oncologist).  This could include standard therapies that 
may include radiation, chemotherapy,  other targeted therapies or even 
immunotherapies that may be FDA approved. 
• Taking part in another study. 
• Receiving no treatment at this time. 
• Getting comfort care (also called palliative care).  This type of care addresses pain, 
tiredness, appetite  problems, and other problems caused by the cancer.  It does 
not treat the cancer directly. 
Protecting Privacy as an Individual and the Confidentiality of Personal Information 
If you join this study, some people or organizations might need to look at your medical 
records and research records for quality assurance or data analysis. They include: 
• Institutional Review Boards (IRB), including the Fred Hutchinson Cancer Research 
Center IRB and/or the University of Washington IRB. An IRB is a group of people who 
review the research study to protect your rights as a research participant. 
• Fred Hutchinson Cancer Research Center, University of Washington, and  Seattle 
Cancer Care Alliance. 
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• US National  Institutes of Health, National Cancer  Institute, Office for  Human Research 
Protections, and other agencies as required. 
• Food and Drug Administration (FDA) 
These people are interested in study data, not your personal information.  Personal information 
is information that can identify you. It may include your name, date of birth, social security 
number, phone number or other information. 
We will do our best to keep your personal information confidential. But we cannot guarantee 
total confidentiality. Your personal information may be given out if required by law. 
We will not use your personal information in any reports about this study, such as journal 
articles or presentations at scientific meetings. 
Federal regulations and the policies of the University of Washington (UW Medicine) and the 
Seattle Cancer Care Alliance (SCCA)  require that certain information about your participation 
in this research be made a part of your permanent medical record. If you do not already have a 
medical record at UW Medicine or SCCA, one will be created for you even if your only 
connection with them is as a research subject. 
The information in your permanent medical record will include: 
• Name of the study 
• Name of the group or company that is paying for the research. 
• The number the group or company assigned to this study. 
• The name of the researcher. 
• The name of the study coordinator. 
• Contact phone number for the study. 
• Contact email address for the study. 
• Emergency phone number for the study. 
• Expected start and end dates for your time in the study. 
• Whether this study includes healthy volunteers. 
Information about your participation in this study such as the title of the study and the names of the 
researchers involved in the study will be made a part of your permanent medical record. If you 
authorize others to see your medical record, they will find out about your participation in this study. 
A description of this clinical trial will be available on http://www.ClinicalTrials.gov, as required 
by U.S. Law. This Web site will not include information that can identify you. At most, the Web 
site will include a summary of the results.  You can search this Web site at any time. 
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How is my genetic information protected? 
A federal law called the Genetic Information Nondiscrimination Act (GINA) helps protect 
genetic information about people who join research studies. 
GINA restricts access to genetic information so that it cannot be used for health insurance 
coverage decisions. GINA prevent health insurance companies or group health plans from 
• Asking for genetic information obtained in research studies, or 
• Using genetic information when making decisions regarding your eligibility or premiums 
GINA does not help or protect against genetic discrimination by companies that sell life, 
disability or long term care insurance. 
What are the costs of taking part in this study? 
You and/or your health plan/ insurance company will need to pay for most of the costs of 
treating your cancer in this study, including the costs of radiation and immunotherapy 
PD1/PDL 1 inhibtors). This is  because PD1/PDL1 immunotherapy and radiation are 
administered per standard of care. Study related procedures that are part of standard 
monitoring for patients will be billed to you and/or your insurance company. Some health plans 
will not pay these costs for people taking part in studies. Check with your health plan or 
insurance company to find out what they will pay for. 
The research blood draws, Nelfinavir (Viracept®), and the optional biopsy will be paid for with 
funds from the study. Neither your insurance company nor you will be responsible for costs 
associated with the optional biopsy, nelfinavir (Viracept®), and the research blood draws. 
Taking part in this study may or may not cost your insurance company more than the cost of 
getting regular cancer treatment. Please be aware that if your health insurance will not cover 
your treatment with radiation, you have the option to pay out of pocket. If neither your 
insurance company nor you agree to pay for this treatment, you will not be able to participate in 
this research study. However you will be able to receive the standard radiation treatment. 
Coverage and costs for standard radiation treatment may vary based on your insurance 
coverage. 
You will not be paid for taking part in this study. The data collected during this study could be 
used to develop products. If these new products make money, there is no plan to share the 
money with you. 
For more information on clinical trials and insurance coverage, you can visit the National 
Cancer 
lnstitute's 
Web 
site at http://cancer.gov/clinicaltrials/learninqabout/payinqfor/how- 
insurance-companies-decide.  You  can  print  a  copy  of the  "Clinical Trials  and  Insurance 
Coverage" information from this Web site. 
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Another way to get the information is to call 1-800-4-CANCER (1-800-422-6237) and ask them 
to send you a free copy. 
What if you get sick or hurt after you join this study? 
For a life threatening problem, call 911 right away or seek help immediately.  Contact your 
study doctor when the medical emergency is over or as soon as you can. 
The researchers have taken steps to minimize the risks of this study. Even so, you may still 
have problems or side effects, even when the researchers are careful to avoid them. Please tell 
the study doctor about any injuries, side effects, or other problems that you have during this 
study. You should also tell your regular doctors. 
For all other medical problems or illness related to this research, immediately contact the study 
doctor, Dr. Ramesh Rengan.  He will treat you or refer you for treatment.  You or your health 
insurance will have to pay for the treatment. There are no funds to pay you for a research- 
related injury, added medical costs, loss of a job, or other costs to you or your family.  State or 
national law may give you rights to seek payment for some of these expenses.  You do not 
waive any right to seek payment by signing this consent form. 
You or your insurer will be billed for treatment of problems or complications that result from 
your condition or from standard clinical care.Your rights 
• You do not have to join this study. You are free to say "yes" or "no". 
• If you get sick or hurt in this study, you do not lose any of your legal rights to seek 
payment by signing this form. 
• During the study, we might learn new information that you need to know. For 
example, some information may affect your health or well-being. Other information 
might make you change your mind about being in this study. If we learn these kinds 
of information, we would tell you. 
• If you join this study, you would not have to stay in it. You could stop at any time 
(even before you start). Your regular medical care would not change. You would 
have no penalty for stopping, but it would be better not to join the study if you think 
that you would change your mind later. 
• If you decide to drop out, we would want you to tell the study doctor.  If you choose 
to tell your doctor why you are leaving the study, your reasons for leaving may be 
kept as part of the study record.  You and the doctor could talk about the follow-up 
care (i.e. when you would be able to start a new treatment) and testing that would 
help the most. 
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A description of this clinical trial will be available on http://www.ClinicalTrials.gov,  as required 
by U.S. Law. This Web site will not include information that can identify you. At most, the Web 
site will include a summary of the results. You can search this Web site at any time. 
Your  responsibilities 
If you join this study, you would have some responsibilities. 
• Follow the schedule of study visits and procedures. 
• Take study medications as directed and bring your completed pill diaries to your next 
visit 
• Prevent pregnancy. 
• Tell us about your current medications and let us know before you start any new ones. 
• Tell us about side effects. 
For more information 
If you have questions or concerns about this study, you could talk to your doctor anytime. Other 
people you could talk to are listed below. 
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You will get a copy of this form. If you want more information about this study, ask your study 
doctor. 
Tumor  Biopsy (Optional) 
The additional research biopsy part of this study is completely optional. You can still participate in the 
main part of this study without undergoing the research biopsy. The surgeon would biopsy tissue from 
a site of disease that was not a target of radiation. It is important to understand that the results of this 
research biopsy are not designed specifically to help you. This is an opportunity for us to generate more 
information regarding your type of cancer. Information from this research will not be included in your 
medical record. For those who give permission for the research tumor biopsy, the biopsy will be 
scheduled sometime in the follow-up period, after your radiation and nelfinavir are complete.  There will 
be a separate procedure consent form that will outline the risks associated with the area planned for 
biopsy. You and your insurance company will not be charged for this research procedure. 
Making Your Choice 
Please think about your choice on whether to participate in this optional portion of the study. 
When you decide, please circle YES or NO. Please initial and date in the spaces provided. 
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If you have questions about: 
This study (including complaints and 
requests for information) 
Call: 
206-598-4110 (Dr. Ramesh Rengan) 
If you get sick or hurt in this study 
Your rights as a research participant 
 
 
 
 
Your bills and health insurance 
coverage 
206-598-4110 (Dr. Ramesh Rengan) 
206-667-4867 (Karen Hansen, Director of Institutional 
Review Office, Fred Hutchinson Cancer Research Center) 
206-543-0098 (Human Subjects Division, University of 
Washington) 
The financial services department at the medical center 
where you will be treated. 
Seattle Cancer Care Alliance 
University of Washington 
Medical Center 
Patient Financial Services 206-606-6226 (phone) 
1st Floor Seattle Cancer Care Alliance (in-person) 
825 Eastlake Ave. E 
Seattle, WA 98109 
Patient Financial Services 206-598-1950  (phone) 
UW Tower (in-person) 
4333 Brooklyn Avenue NE 
Seattle, WA 98195 
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Do you agree to donate your tumor tissue to study cancer? 
YES 
NO 
Initials: 
Date: 
_ 
Signature 
If you have read this form (or had it read to you), asked any questions you might have, and 
agree to participate, please sign: 
 
 
Research Participant Signature 
Date 
 
Research Participant Printed Name 
Researcher's  statement 
I have discussed  the research study,  including procedures  and risks, with the person signing 
above. A copy of the signed consent form will be given to the participant. 
 
 
Person Obtaining Consent Signature 
Date 
 
Person Obtaining Consent Printed Name 
Current version date:  04/09/2019 
Copies to: 
Patient, Study Chart, Patient's Medical Record 
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FHCRC IRB Approval  
02/04/2021 
Document Released Date
9712
IRB Approved 
Consent Release Date: 02/04/2021
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