This phase II trial studies the effect of immunotherapy drugs (ipilimumab and nivolumab) in treating patients with glioma that has come back (recurrent) and carries a high number of mutations (mutational burden). Cancer is caused by changes (mutations) to genes that control the way cells function. Tumors with high number of mutations may respond well to immunotherapy. Immunotherapy with monoclonal antibodies such as ipilimumab and nivolumab may help the body's immune system attack the cancer and may interfere with the ability of tumor cells to grow and spread. Giving ipilimumab and nivolumab may lower the chance of recurrent glioblastoma with high number of mutations from growing or spreading compared to usual care (surgery or chemotherapy).
PRIMARY OBJECTIVE: I. To determine whether the combination of ipilimumab and nivolumab increases the tumor response rate assessed by modified Response Assessment in Neuro-Oncology (RANO) Criteria in patients with hypermutated recurrent glioblastoma. SECONDARY OBJECTIVES: I. Estimate the overall survival distribution, median survival, and one-year survival rate of patients with hypermutated, recurrent glioblastoma who are treated with ipilimumab and nivolumab. II. Estimate the progression-free survival distribution and median progression-free survival of patients with hypermutated, recurrent glioblastoma who are treated with ipilimumab and nivolumab. III. Determine the adverse event profile of patients with hypermutated, recurrent glioblastoma who are treated with ipilimumab and nivolumab. EXPLORATORY OBJECTIVES: I. Test whether PD-L1 or immunologic infiltrate in the tumor microenvironment are associated with objective tumor response, overall survival, progression-free survival, tumor mutational burden, or rates of grade 3 or higher adverse events. II. Test whether MGMT status, microsatellite instability (MSI) status, mutational signatures, or amount of tumor mutational burden (TMB) including germline analysis are associated with objective tumor response, overall survival, progression-free survival, or rates of grade 3 or higher adverse events. III. Evaluate associations between exome and transcriptome gene levels with objective tumor response, overall survival, progression-free survival, rates of grade 3 or higher adverse events. IV. Evaluate associations between the gut microbiome and objective tumor response. V. Response rate using immunotherapy (i)RANO. OUTLINE: Patients receive nivolumab intravenously (IV) over 30 minutes and ipilimumab IV over 30 minutes on day 1. Treatment repeats every 3 weeks for 4 cycles in the absence of disease progression or unacceptable toxicity. Patients then receive nivolumab IV over 30 minutes on day 1. Cycles repeat every 4 weeks in the absence of disease progression or unacceptable toxicity. Patients also undergo magnetic resonance imaging (MRI) throughout the study. After completion of study treatment, patients without disease progression are followed every 8 weeks until disease progression, then every 3 months for up to 3 years. Patients with disease progression after completion of study treatment are followed every 3 months for up to 3 years.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
37
Given IV
Undergo MRI
Given IV
Anchorage Associates in Radiation Medicine
Anchorage, Alaska, United States
Anchorage Radiation Therapy Center
Anchorage, Alaska, United States
Alaska Breast Care and Surgery LLC
Anchorage, Alaska, United States
Alaska Oncology and Hematology LLC
Anchorage, Alaska, United States
Alaska Women's Cancer Care
Anchorage, Alaska, United States
Overall response rate
Assessed by the Response Assessment in Neuro-Oncology Criteria (RANO). The proportion of patients who have a confirmed tumor response will be computed as the number of patients with a confirmed complete response or confirmed partial response as determined by RANO criteria divided by the number of evaluable patients, which are eligible patients who have measurable disease and completed one cycle of treatment. Will be estimated with a binomial point estimate that will be computed as the number of responses divided by the number of evaluable patients. Exact 95% binomial confidence intervals will be generated and reported.
Time frame: Up to 32 months
Overall survival (OS)
Will be summarized using Kaplan-Meier (KM) estimators. Survival curves will be generated from the KM estimators. KM estimates will be determined for the median OS as well as the 12-month OS rates. Confidence intervals will be provided for the median values as well as the one-year rates.
Time frame: From the time of treatment initiation until death from any cause, assessed up to 3 years
Progression-free survival (PFS)
Will be summarized using KM estimators. Survival curves will be generated from the KM estimators. KM estimates will be determined for the median PFS as well as the 12-month PFS rates. Confidence intervals will be provided for the median values as well as the one-year rates.
Time frame: From the time of treatment initiation until disease progression as measured using RANO criteria or death, whichever occurs first, assessed up to 3 years
Incidence of adverse events (AEs)
The AEs will be summarized by the frequency and relative frequency of the maximum grade experienced by the patients for all recorded AEs. Adverse event data will be summarized by each observed AE with the number of patients who reported the AE as well as the proportion of patients with the AE.
Time frame: Up to 3 years
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