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NCT06256328PHASE2ACTIVE_NOT_RECRUITING1 endpoint open for prediction

A Study to Investigate the Efficacy and Safety of ONO-4578 in Combination With Nivolumab and Chemotherapy in Chemotherapy-naïve Participants With HER2-negative Unresectable Advanced or Recurrent Gastric Cancer (Including Esophagogastric Junction Cancer)

A Randomized, Multicenter, Double-blind, Phase II Study to Compare the Efficacy and Safety of the Treatment With ONO-4578 in Combination With Nivolumab, Fluoropyrimidine-based and Platinum- Based Chemotherapy (Hereinafter Referred to as Chemotherapy) With Those of the Treatment With Placebo in Combination With Nivolumab and Chemotherapy in Chemotherapy-naïve Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Unresectable Advanced or Recurrent Gastric Cancer (Including Esophagogastric Junction Cancer)

Sponsor: Ono Pharmaceutical Co., Ltd.

Open for Predictions · 1 endpoint

NCT06256328Hazard Ratio for Overall Survival (OS)

A Hazard Ratio below 1.0 favours the treatment arm. HR 0.75 means a 25% reduction in the risk of death.

Prediction range: 0.41.2 Hazard Ratio

Key Facts

Study type
INTERVENTIONAL
Conditions
Gastric Cancer
Interventions
ONO-4578, Oxaliplatin, Capecitabine, S-1
Enrollment
226 participants
Primary completion
Oct 2025
Study completion
Jul 2027
First posted
Feb 2024
Last updated
Mar 2026

Primary Endpoints (CT.gov)

Progression-free survival (PFS) (site investigator assessment)

Time frame: up to 2years

Secondary Endpoints

Overall survival (OS)

Objective response rate (ORR) (site investigator assessment)

Best overall response (BOR) (site investigator assessment)

Eligibility Criteria

Inclusion Criteria: * Patients with gastric or esophagogastric junction cancer histologically diagnosed as adenocarcinoma * Patients have not been treated with systemic chemotherapy as first-line therapy * Patients who can provide tumor tissue samples Exclusion Criteria: * Patients unable to take oral medicines * Patients with HER2-positive * Patients with contraindications to nivolumab, oxaliplatin, S-1, or capecitabine * Patients who have a history of severe drug-related adverse reactions caused by non- steroidal anti-inflammatory drugs (NSAIDs) or who have complications caused by NSAIDs requiring treatment * Patients with concurrent autoimmune disease or a history of chronic or recurrent autoimmune disease, such as rheumatoid arthritis * Patients with headache and/or nausea associated with brain metastasis

✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov

Related Program

ONO-4578

Ono Pharmaceutical Co., Ltd.

View program page →