Clinical trial NCT02586207: Pembrolizumab in Combination With CRT for LA-SCCHN
Official title: Phase Ib Study of Pembrolizumab in Combination With Chemo Radiotherapy (CRT) for Locally-advanced Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Study type: INTERVENTIONAL
Overall status: ACTIVE_NOT_RECRUITING
Phase: PHASE1
Conditions: Head and Neck Cancer
Squamous Cell Carcinoma
Oral Cavity Cancer
Oropharynx Cancer
Hypopharynx Cancer
Larynx Cancer
Laryngeal Cancer
Keywords: Larynx
Squamous Cell
Oral cavity
Oropharynx
Hypopharynx
Lead sponsor: Sanford Health
Sponsor class: OTHER
Collaborators: name: Merck Sharp & Dohme LLC
First posted: 2015-10-26
Enrollment: 59
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: NA
Intervention model: SINGLE_GROUP
Primary purpose: TREATMENT

Brief summary: This is a single-arm, multi-site, open-label trial of pembrolizumab (MK-3475) used in combination with standard, cisplatin-based, definitive chemoradiotherapy (CRT) in patients with stage III-IVB squamous cell carcinoma of the head and neck (SCCHN). Approximately 39 patients with Stage III-IVB SCCHN will be enrolled to evaluate both the safety and efficacy of this novel combination. Subjects will not be randomized and will all receive the study treatment.

Treatment will consist of a loading dose of pembrolizumab 200 mg IV given 7 days prior to initiation of CRT (day-7). CRT with cisplatin 40 mg/m2 IV weekly and head and neck radiation at 70 Gy fractionated at 2 Gy once daily over 35 days, will begin on day 1. CRT will end on approximately day 46-50. Pembrolizumab 200 mg IV will continue following CRT in an adjuvant fashion starting on day 57 for an additional 5 doses, as tolerated, through day 141. Subjects will be evaluated for response following treatment.

Detailed description: Each subject will participate in the trial from the time the subject signs the Informed Consent Form (ICF) through the final protocol-specified contact. After a screening phase of 28 days, eligible subjects will receive treatment on Day -7 with a loading dose of the study drug. This will continue during concurrent therapy with cisplatin and radiation, which will begin on day 1. Treatment will continue until completion of therapy, documented confirmed disease progression, unacceptable adverse event(s), intercurrent illness that prevents further administration of treatment, investigator's decision to withdraw the subject, subject withdraws consent, pregnancy of the patient, noncompliance with trial treatment or procedure requirements; or administrative reasons. After the end of treatment, each patient will be followed for 30 days for adverse event monitoring (serious adverse events will be collected for 90 days after the end of treatment or 30 days after the end of treatment if the patient initiates new anticancer therapy, whichever is earlier). Subjects who discontinue for reasons other than disease progression will have post-treatment follow-up for disease status until end of study disease progression, initiating a non-study cancer treatment, withdrawing consent, or becoming lost to follow-up. All subjects will be followed by telephone for overall survival until death, withdrawal of consent, or the Investigator is notified by Sanford Research to discontinue follow-up

Eligibility criteria: Inclusion Criteria:

1. Have histologically or cytologically-confirmed head and neck squamous cell carcinoma of the oral cavity (excluding lip), oropharynx, hypopharynx, or larynx.
2. Have TNM clinical stage III, IVA, or IVB disease
3. Be eligible for curative-intent concurrent chemoradiation therapy
4. Be willing and able to provide written informed consent for the trial.
5. Be 18 years of age on day of signing informed consent.
6. Have measurable disease based on RECIST 1.1.
7. Be willing to provide tissue from a recently obtained core or excisional biopsy of a tumor lesion. Newly-obtained is defined as a specimen obtained up to 6 weeks (42 days) prior to initiation of treatment on Day -7. Subjects for whom newly-obtained samples cannot be provided (e.g. inaccessible or subject safety concern) may submit an archived specimen only upon agreement from Sanford Research.
8. Have a performance status of 0 or 1 on the ECOG Performance Scale.
9. Demonstrate adequate organ function as defined:

   Absolute neutrophil count (ANC) ≥1,500 /mcL Platelets ≥100,000 / mcL Hemoglobin ≥9 g/dL or ≥5.6 mmol/L without transfusion or EPO dependency (within 7 days of assessment) Serum creatinine OR Measured or calculated creatinine clearance (GFR can also be used in place of creatinine or CrCl) ≤1.5 X upper limit of normal (ULN) OR ≥60 mL/min for subject with creatinine levels \> 1.5 X institutional ULN Serum total bilirubin ≤ 1.5 X ULN OR Direct bilirubin ≤ ULN for subjects with total bilirubin levels \> 1.5 ULN AST (SGOT) and ALT (SGPT) ≤ 2.5 X ULN OR ≤ 5 X ULN for subjects with liver metastases Albumin \>2.5 mg/dL
10. Female subject of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
11. Female subjects of childbearing potential should be willing to use 2 methods of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication. Subjects of childbearing potential are those who have not been surgically sterilized or have not been free from menses for \> 1 year.
12. Male subjects should agree to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study therapy.

Exclusion Criteria:

1. Patients may not be receiving any other investigational agents, chemotherapy, immunotherapy, radiotherapy, or molecular targeted agents within 4 weeks of the start of the study treatment.
2. Prior treatment with radiation to the head and neck
3. Patients with TNM Stage IVC disease
4. Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the first dose of treatment.
5. Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment.
6. Has a known history of active TB (Bacillus Tuberculosis)
7. Hypersensitivity to pembrolizumab or any of its excipients.
8. Has had a prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to agents administered more than 4 weeks earlier.
9. Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy.
10. Has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer.
11. Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis.
12. Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
13. Has known history of, or any evidence of active, non-infectious pneumonitis.
14. Has an active infection requiring systemic therapy.
15. Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.
16. Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
17. Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120days after the last dose of trial treatment.
18. Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent.
19. Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
20. Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA \[qualitative\] is detected).
21. Has received a live vaccine within 30 days of planned start of study therapy.

Primary outcomes:
measure: Adverse Events Will be Assessed and Graded Using CTCAE 4.0. Occurrences With Max Grade and Percentage/Number of Participants Affected by AEs Will be Provided.
timeFrame: through day 240 (this time frame allows capturing of AEs that occurred up to 90 days after completion of treatment)
Secondary outcomes:
measure: Evaluation of the Efficacy of Pembrolizumab Given in Combination With Definitive CRT by Determining the Number of Participants With Complete Response at Treatment End (Day 150)
timeFrame: Day 150 (post treatment imaging)
Other outcomes:
Locations:
city: La Jolla
country: United States
facility: UCSD Moores Cancer Center
state: California
city: Bismarck
country: United States
facility: Sanford-Bismarck Medical Center
state: North Dakota
city: Fargo
country: United States
facility: Sanford-Roger Maris Cancer Center
state: North Dakota
city: Sioux Falls
country: United States
facility: Sanford Health Cancer Center
state: South Dakota
Study officials:
affiliation: Sanford Research
name: Steven F Powell, MD
role: PRINCIPAL_INVESTIGATOR
References:
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citation: Seiwert T, Burtness B, Weiss J, Gluck I, Eder JP, Pai SI, et al. A phase IB study of MK-3475 in patients with human papilloma virus (HPV) associated and non-HPV associated head and neck (H/N) cancer. ASCO 2014 Abstract #6011, Jun 2014.
citation: Dovedi SJ, Adlard AL, Lipowska-Bhalla G, McKenna C, Jones S, Cheadle EJ, Stratford IJ, Poon E, Morrow M, Stewart R, Jones H, Wilkinson RW, Honeychurch J, Illidge TM. Acquired resistance to fractionated radiotherapy can be overcome by concurrent PD-L1 blockade. Cancer Res. 2014 Oct 1;74(19):5458-68. doi: 10.1158/0008-5472.CAN-14-1258.
citation: Parikh F, Duluc D, Imai N, Clark A, Misiukiewicz K, Bonomi M, Gupta V, Patsias A, Parides M, Demicco EG, Zhang DY, Kim-Schulze S, Kao J, Gnjatic S, Oh S, Posner MR, Sikora AG. Chemoradiotherapy-induced upregulation of PD-1 antagonizes immunity to HPV-related oropharyngeal cancer. Cancer Res. 2014 Dec 15;74(24):7205-16. doi: 10.1158/0008-5472.CAN-14-1913. Epub 2014 Oct 15.
citation: Powell SF, Gold KA, Gitau MM, Sumey CJ, Lohr MM, McGraw SC, Nowak RK, Jensen AW, Blanchard MJ, Fischer CD, Bykowski J, Ellison CA, Black LJ, Thompson PA, Callejas-Valera JL, Lee JH, Cohen EEW, Spanos WC. Safety and Efficacy of Pembrolizumab With Chemoradiotherapy in Locally Advanced Head and Neck Squamous Cell Carcinoma: A Phase IB Study. J Clin Oncol. 2020 Jul 20;38(21):2427-2437. doi: 10.1200/JCO.19.03156. Epub 2020 Jun 1.