About this trial
This phase II/III trial compares the addition of nivolumab to the usual treatment of paclitaxel and ramucirumab to paclitaxel and ramucirumab alone in treating patients with gastric or esophageal adenocarcinoma that may have spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body (advanced). A monoclonal antibody is a type of protein that can bind to certain targets in the body, such as molecules that cause the body to make an immune response (antigens). Immunotherapy with monoclonal antibodies, such as nivolumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Ramucirumab is a monoclonal antibody that may prevent the growth of new blood vessels that tumors need to grow. Paclitaxel is in a class of medications called antimicrotubule agents. It stops cancer cells from growing and dividing and may kill them. Adding nivolumab to ramucirumab and paclitaxel may work better to treat patients with advanced stomach or esophageal cancer.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Participants must have advanced or locally unresectable gastric, gastroesophageal junction or esophageal adenocarcinoma
Participants must have PD-L1 CPS (Combined Positive Score) ≥ 1. This test would have been performed as part of standard of care (SOC) pathology testing, using tissue obtained within two years prior to registration and collected prior to or after a frontline regimen
Participants must have a histologically confirmed diagnosis of microsatellite stable (MSS) and HER2 negative gastric, gastroesophageal junction, or esophageal adenocarcinoma
Participants must have documented unresectable and/or metastatic disease on CT or MRI imaging completed prior to registration. Imaging must have been completed within 28 days prior to registration for participants with measurable disease. CT scans or MRIs used to assess non-measurable disease must have been completed within 42 days prior to registration. All disease must be assessed and documented on the Baseline Tumor Assessment Form
Disqualifiers
None
Trial design
Parallel
Treatments tested in this trial
Biospecimen Collection
Procedure/SurgeryUndergo optional blood sample collection
Computed Tomography
Procedure/SurgeryUndergo CT scan
Magnetic Resonance Imaging
Procedure/SurgeryUndergo MRI
Nivolumab
Biological/VaccineGiven IV
Paclitaxel
DrugGiven IV
Questionnaire Administration
Other interventionAncillary studies
Ramucirumab
Biological/VaccineGiven IV
Treatment groups
Trial outcomes
Primary outcomes
Progression free survival (PFS) (Phase II)
The distribution of PFS will be estimated using the method of Kaplan-Meier and compared using a 1-sided stratified log-rank test.
Overall survival (OS) (Phase III)
The distribution of OS will be estimated using the method of Kaplan-Meier and compared using a 1-sided stratified log-rank test.
Secondary outcomes
Objective response rate (ORR)
Will be compared across arms in participants with measurable disease via Fisher's exact test.
Disease control rate (DCR)
DCR = ORR + stable disease per Response Evaluation Criteria in Solid Tumors 1.1. Will be compared across arms in participants with measurable disease via Fisher's exact test.
Incidence of adverse events
Other outcomes
Disease-free survival (DFS)
The hazard ratio of DFS and the corresponding 95% confidence intervals will be estimated for subgroups defined by sex, race, and ethnicity, respectively.
Sponsors and contacts
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