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This is a Phase II, open-label, multi-drug, multi-centre study designed to assess the efficacy, safety, tolerability, pharmacokinetics, and immunogenicity of novel combination therapies in participants with locally advanced unresectable or metastatic gastric or GEJ adenocarcinoma.

Trial Profile

This is a Phase II, open-label, multi-drug, multi-centre study designed to assess the efficacy, safety, tolerability, pharmacokinetics, and immunogenicity of novel combination therapies in participants with locally advanced unresectable or metastatic gastric or GEJ adenocarcinoma.

Status: Recruiting
Phase of Trial: Phase II

Latest Information Update: 16 May 2026

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At a glance

  • Drugs Rilvegostomig (Primary) ; Volrustomig (Primary) ; Capecitabine; Fluorouracil; Folinic acid; Oxaliplatin
  • Indications Adenocarcinoma; Gastric cancer; Oesophageal cancer
  • Focus Therapeutic Use
  • Acronyms GEMINI-Gastric
  • Sponsors AstraZeneca; AstraZeneca AB

Most Recent Events

  • 18 Mar 2026 Planned number of patients changed from 240 to 163.
  • 18 Mar 2026 Planned End Date changed from 28 Sep 2027 to 31 May 2029.
  • 18 Mar 2026 Planned primary completion date changed from 3 Jul 2026 to 30 Nov 2027.

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