Clinical trial NCT01792050: Study of Chemotherapy in Combination With IDO Inhibitor in Metastatic Breast Cancer
Official title: A Phase II Double-Blinded, Randomized, Placebo-Controlled Study of Indoximod in Combination With a Taxane Chemotherapy in Metastatic Breast Cancer
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE2
Conditions: Metastatic Breast Cancer
Keywords: IDO
IDO Inhibitor
Metastatic Breast Cancer
Lead sponsor: Lumos Pharma
Sponsor class: INDUSTRY
First posted: 2013-02-15
Enrollment: 169
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: The purpose of this study is to compare the effects, good and/or bad, of standard of care therapy (docetaxel or paclitaxel) with or without the addition of 1-Methyl-D-tryptophan (referred to as indoximod) an experimental drug to find out which treatment is better.

Detailed description: It is estimated that 232,340 US women will be diagnosed with and 40,030 women will die of breast cancer in 2013. Metastatic breast cancer is a terminal condition and treatments are palliative in nature. The median survival for patients with metastatic breast cancer is approximately 2.5 years. The standard therapies currently in use include anti-estrogen therapies (anastrazole, letrozole, fulvestrant, tamoxifen), chemotherapy agents (taxanes, capecitabine, navelbine, gemcitabine, eribulin, ixabepilone), targeted therapies (trastuzumab, lapatinib), and supportive care agents (zolendronic acid, denosumab). While breast cancer typically responds well to treatment, the response is transient and their disease becomes more refractory with continued therapy. Also, quality of life is a significant issue for these patients as many of these therapies are associated with significant side effects. Well tolerated, novel agents which improve the efficacy of existing chemotherapy agents would prove quite useful in managing metastatic breast cancer.

Preclinical data derived from MMTV-Neu mice with autochthonous tumors studied the interaction between indoximod and various chemotherapeutic agents. Mice with 5-10mm tumors were enrolled into control and treatment groups. Mice were treated with indoximod alone, chemotherapy alone (paclitaxel, doxorubicin, cyclophosphamide, and others), and the combination of indoximod and chemotherapy. treatment with indoximod or paclitaxel alone caused retardation of tumor growth in this model but no regressions were seen. the combination of indoximod plus paclitaxel caused 30% tumor regression and histologically there was significantly enhanced tumor cell death with the combination versus either agent alone. This synergism was abrogated when the mice underwent CD4+ T cell depletion prior to treatment with the combination, suggesting the immune response played a role in the observed effect. Based on this data and other reports suggesting systemic immunomodulating drugs like indoximod can synergize with chemotherapy agents such as taxanes, the decision was made to devise this combination of therapy of docetaxel or paclitaxel with indoximod in metastatic breast cancer.

Eligibility criteria: Inclusion Criteria:

* Histologically or cytologically confirmed estrogen/progesterone receptors (ER/PR) +/-; human epidermal growth factor receptor 2 (HER2)-, metastatic breast cancer.
* Metastatic disease that is evaluable on imaging. May have measureable disease, defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded for non-nodal lesions and short axis for nodal lesions) as ≥20 mm with conventional techniques or as ≥10 mm with spiral CT scan, MRI, or calipers by clinical exam. Patients can also have non-measurable disease including bone only metastatic disease, evaluated by bone scan, PET or MRI.
* Any number of prior endocrine therapies in the metastatic setting are allowed. The patient must not have received any prior chemotherapy agents in the metastatic setting. Prior treatment with adjuvant docetaxel or paclitaxel is allowed if disease relapse occurred greater than 12 months from the completion of adjuvant therapy.
* Age ≥18 years.
* Eastern Cooperative Oncology Group (ECOG) performance status ≤1 (Karnofsky ≥60%).
* Life expectancy of greater than 4 months.
* Patients must have normal organ and marrow function as defined below: leukocytes ≥3,000/mcL, absolute neutrophil count ≥1,500/mcL, platelets ≥100,000/mcL, total bilirubin within normal institutional limits, aspartate aminotransferase AST(SGOT)/ alanine aminotransferase ALT(SGPT) ≤2.5 X institutional upper limit of normal, creatinine within normal institutional limits OR creatinine clearance ≥60 mL/min/1.73 m\^2 for patients with creatinine levels above institutional normal.
* Patients with known brain metastases will only be eligible after their tumors have been treated with definitive resection and/or radiotherapy and they are neurologically stable for at least 1 month off steroids.
* Male and female subjects of child producing potential must agree to use adequate forms of contraception or avoidance of pregnancy measures prior to study entry, while enrolled on study and for a minimum of one month after completion of the study.
* Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria:

* Patients who have had chemotherapy for the treatment of metastatic breast cancer are not eligible. Patients who have had radiotherapy within 3 weeks prior to entering the study or those who have not recovered from adverse events due to agents administered more than 3 weeks earlier are not eligible.
* Patients who are currently receiving any other investigational agents.
* Patients with known active, untreated brain metastases should be excluded from this clinical trial. Those with previously treated inactive brain metastases with no evidence of active disease documented on brain MRI at least 4 weeks after radiation and off all steroids may be eligible.
* History of allergic reactions attributed to compounds of similar chemical or biologic composition to docetaxel or tryptophan containing substances. This would include L-tryptophan or 5-hydroxy-tryptophan supplements. Also patients with a history of severe hypersensitivity reactions to docetaxel or to other drugs formulated with polysorbate 80 are excluded.
* Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
* Pregnant women are excluded from this study because indoximod is an immunoregulatory agent with the potential for abortifacient effects due to fetal rejection by the maternal immune system. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with indoximod, breastfeeding should be discontinued if the mother is treated with indoximod. Also, docetaxel and paclitaxel are category D cytotoxic agents and are not administered to pregnant females.
* Known HIV-positive patients and those with other acquired/inherited immunodeficiencies are ineligible due to the possibility of affecting the response to indoximod and the higher risk of active opportunistic infections.
* Patients with more than one active malignancy at the time of enrollment.
* Patients who have received any prior experimental active immunotherapy consisting of targeted monoclonal antibodies (ipilimumab) or pharmaceutical compounds are excluded.
* Patients with any active autoimmune disease (i.e. psoriasis, extensive atopic dermatitis, asthma, inflammatory bowel disease (IBD), multiple sclerosis (M.S.), uveitis, vasculitis), chronic inflammatory condition, or any condition requiring concurrent use of any systemic immunosuppressants or steroids for any reason would be excluded from the study. Any patient with an allo-transplant of any kind would be excluded as well. This would include those with a xenograft heart valve to avoid the potential risk of any immune reaction causing valvular degeneration. Mild-intermittent asthma requiring only occasional beta-agonist inhaler use or mild localized eczema will not be excluded.

Primary outcomes:
measure: Progression Free Survival
timeFrame: 12 months
Secondary outcomes:
measure: Frequency and grade of adverse events of docetaxel and paclitaxel in combination with indoximod versus docetaxel alone
timeFrame: 12 months
measure: Correlation of clinical and pathologic variables and clinical benefit (progression free survival rate) from treatment
timeFrame: 12 months
measure: Median Overall Survival
timeFrame: 12 months
measure: Objective Response Rate (Complete Response + Partial Response)
timeFrame: 12 Months
Other outcomes:
Locations:
city: Gainesville
country: United States
facility: University of Florida Health Cancer Center
state: Florida
city: Tampa
country: United States
facility: H. Lee Moffitt Cancer Center and Research Institute
state: Florida
city: Titusville
country: United States
facility: Space Coast Cancer Center
state: Florida
city: Weston
country: United States
facility: Cleveland Clinic - Florida
state: Florida
city: Athens
country: United States
facility: University Cancer & Blood Center, LLC
state: Georgia
city: Augusta
country: United States
facility: Georgia Regents University
state: Georgia
city: Arlington Heights
country: United States
facility: Illinois Cancer Specialists
state: Illinois
city: Chicago
country: United States
facility: University of Illinois Cancer Center
state: Illinois
city: Goshen
country: United States
facility: Indiana University Health Goshen Center for Cancer Care
state: Indiana
city: Iowa City
country: United States
facility: University of Iowa Hospitals and Clinics
state: Iowa
city: Bronx
country: United States
facility: Eastchester Center for Cancer Care
state: New York
city: Chapel Hill
country: United States
facility: University of North Carolina
state: North Carolina
city: Winston-Salem
country: United States
facility: Wake Forest Baptist Hospital
state: North Carolina
city: Cleveland
country: United States
facility: Fairview Hospital
state: Ohio
city: Cleveland
country: United States
facility: Cleveland Clinic - Taussig Cancer Center
state: Ohio
city: Mayfield Heights
country: United States
facility: Taussig Cancer Institute
state: Ohio
city: Bryn Mawr
country: United States
facility: Bryn Mawr Hospital
state: Pennsylvania
city: Hershey
country: United States
facility: Pennsylvania State University Milton S. Hershey Medical Center
state: Pennsylvania
city: Paoli
country: United States
facility: Paoli Hospital
state: Pennsylvania
city: Wynnewood
country: United States
facility: Lankenau Medical Center
state: Pennsylvania
city: Knoxville
country: United States
facility: University of Tennessee Medical Center
state: Tennessee
city: Houston
country: United States
facility: MD Anderson Cancer Center
state: Texas
city: Charlottesville
country: United States
facility: University of Virginia
state: Virginia
city: Lynchburg
country: United States
facility: Lynchburg Hematology Oncology
state: Virginia
city: Newport News
country: United States
facility: Peninsula Cancer Center
state: Virginia
city: Richmond
country: United States
facility: Virginia Commonwealth University
state: Virginia
city: Franklin
country: United States
facility: Wheaton Franciscan Healthcare- Reiman Cancer Center
state: Wisconsin
city: Green Bay
country: United States
facility: Aurora Baycare
state: Wisconsin
city: Brzozow
country: Poland
facility: Research SiteR
city: Gdansk
country: Poland
facility: Reserach Site
city: Gdynia
country: Poland
facility: Research Site
city: Gorzow Wielkopolski
country: Poland
facility: Research Site
city: Konin
country: Poland
facility: Reserach Site
city: Krakow
country: Poland
facility: Research Site
city: Olsztyn
country: Poland
facility: Research Site
city: Olsztyn
country: Poland
facility: Research Site
city: Poznan
country: Poland
facility: Research Site
city: Rybnik
country: Poland
facility: Research Site
city: Rzeszow
country: Poland
facility: Research Site
city: Warsaw
country: Poland
facility: Research Site
Study officials:
References:
citation: Mariotti V, Han H, Ismail-Khan R, Tang SC, Dillon P, Montero AJ, Poklepovic A, Melin S, Ibrahim NK, Kennedy E, Vahanian N, Link C, Tennant L, Schuster S, Smith C, Danciu O, Gilman P, Soliman H. Effect of Taxane Chemotherapy With or Without Indoximod in Metastatic Breast Cancer: A Randomized Clinical Trial. JAMA Oncol. 2021 Jan 1;7(1):61-69. doi: 10.1001/jamaoncol.2020.5572.