NCT05702229

Brief Summary

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 Health

83
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
163

participants targeted

Target at P75+ for phase_2 gastric-cancer

Timeline
38mo left

Started Jan 2023

Longer than P75 for phase_2 gastric-cancer

Geographic Reach
7 countries

44 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress52%
Jan 2023May 2029

First Submitted

Initial submission to the registry

December 7, 2022

Completed
1 month until next milestone

Study Start

First participant enrolled

January 16, 2023

Completed
11 days until next milestone

First Posted

Study publicly available on registry

January 27, 2023

Completed
4.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 30, 2027

Expected
1.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

May 31, 2029

Last Updated

March 18, 2026

Status Verified

March 1, 2026

Enrollment Period

4.9 years

First QC Date

December 7, 2022

Last Update Submit

March 16, 2026

Conditions

Keywords

Locally advancedMetatstaticGastric adenocarcinomaGEJ adenocarcinomaGEMINI-Gastric

Outcome Measures

Primary Outcomes (2)

  • ORR (per RECIST 1.1 as assessed by Investigator)

    the proportion of participants who have a confirmed complete response or confirmed partial response, as determined by the Investigator at local site per RECIST 1.1.

    Through substudy completion, an average of 2 years

  • PFS6 (per RECIST 1.1 as assessed by Investigator)

    the proportion of participants alive and progression-free at 6 months.

    Through substudy completion, an average of 2 years

Secondary Outcomes (4)

  • PFS per RECIST 1.1 as assessed by the Investigator

    Through substudy completion, an average of 2 years

  • OS

    Through substudy completion, an average of 2 years

  • other safety related endpoints

    Through substudy completion, an average of 2 years

  • DoR per RECIST 1.1 based on Investigator assessment.

    Through substudy completion, an average of 2 years

Study Arms (6)

Substudy 1

EXPERIMENTAL

Volrustomig plus XELOX (oxaliplatin and capecitabine) or FOLFOX (oxaliplatin and 5-FU/CF)

Drug: VolrustomigDrug: FOLFOXDrug: XELOX

Substudy 2

EXPERIMENTAL

Rilvegostomig plus XELOX (oxaliplatin and capecitabine) or FOLFOX (oxaliplatin and 5-FU/CF)

Drug: RilvegostomigDrug: FOLFOXDrug: XELOX

Substudy 3

EXPERIMENTAL

AZD0901 plus volrustomig and 5-fluorouracil or capecitabine

Drug: VolrustomigDrug: AZD0901Drug: 5-FluorouracilDrug: Capecitabine

Substudy 4, Cohort 4a1

EXPERIMENTAL

Sonesitatug vedotin (AZD0901) plus rilvegostomig and 5-fluorouracil or capecitabine

Drug: RilvegostomigDrug: AZD0901Drug: 5-FluorouracilDrug: Capecitabine

Substudy 4, Cohort 4a2

EXPERIMENTAL

Sonesitatug vedotin (AZD0901) plus rilvegostomig and 5-fluorouracil

Drug: RilvegostomigDrug: AZD0901Drug: 5-Fluorouracil

Substudy 4, Cohort 4b

EXPERIMENTAL

Sonesitatug vedotin (AZD0901) plus capecitabine

Drug: AZD0901Drug: Capecitabine

Interventions

an anti PD-1 and anti-TIGIT bispecific antibody; IV infusion

Substudy 2Substudy 4, Cohort 4a1Substudy 4, Cohort 4a2

an anti PD-1 and anti CTLA-4 bispecific antibody; IV infusion

Substudy 1Substudy 3
FOLFOXDRUG

5-fluorouracil oxaliplatin, leucovorin (levoleucovorin when locally preferred and available)

Substudy 1Substudy 2
XELOXDRUG

capecitabine and oxaliplatin

Substudy 1Substudy 2

an anti Claudin18.2 ADC; IV infusion

Substudy 3Substudy 4, Cohort 4a1Substudy 4, Cohort 4a2Substudy 4, Cohort 4b

5-FU, IV infusion

Substudy 3Substudy 4, Cohort 4a1Substudy 4, Cohort 4a2

Oral take

Substudy 3Substudy 4, Cohort 4a1Substudy 4, Cohort 4b

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years or older at the time of signing the ICF.
  • Body weight \> 35 kg.
  • Previously untreated for unresectable or metastatic gastric or gastroesophageal junction adenocarcinoma.
  • Has measurable target disease assessed by the Investigator based on RECIST 1.1.
  • ECOG PS zero or one.
  • Life expectancy of at least 12 weeks.
  • Adequate organ and bone marrow function.
  • Has central lab confirmed Claudin18.2 status at screening from archival tumour collected within past 24 months or from a fresh biopsy when Substudy 3, Substudy 4 i s open for recruitment.

You may not qualify if:

  • Participants with HER2-positive (3+ by IHC, or 2+ by IHC and positive by in situhybridisation) or indeterminate gastric or GEJ carcinoma.
  • Untreated or progressive CNS metastatic disease, any leptomeningeal disease, or cord compression.
  • Participants with ascites which cannot be controlled with appropriate interventions.
  • Active infectious diseases, including tuberculosis, HIV infection, or hepatitis B/C.
  • Uncontrolled intercurrent illness.
  • Active or prior documented autoimmune or inflammatory disorders requiring systemic treatment with steroids or other immunosuppressive treatment.
  • History of another primary malignancy.
  • Previous treatment with an immune-oncology agent.
  • Previous treatment with any modalities of Claudin18.2 target therapy or MMAE exposure (when Substudy 3, Substudy 4 is open for recruitment).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (44)

Research Site

Los Angeles, California, 90017, United States

RECRUITING

Research Site

Los Angeles, California, 90095, United States

WITHDRAWN

Research Site

Baton Rouge, Louisiana, 70817, United States

RECRUITING

Research Site

Grand Rapids, Michigan, 49503, United States

RECRUITING

Research Site

New Hyde Park, New York, 11042, United States

WITHDRAWN

Research Site

New York, New York, 10028, United States

WITHDRAWN

Research Site

New York, New York, 10065, United States

RECRUITING

Research Site

New York, New York, 11210, United States

WITHDRAWN

Research Site

Shirley, New York, 11967, United States

WITHDRAWN

Research Site

The Bronx, New York, 10469, United States

WITHDRAWN

Research Site

Pittsburgh, Pennsylvania, 15212, United States

WITHDRAWN

Research Site

Beijing, 100142, China

RECRUITING

Research Site

Hangzhou, 310003, China

RECRUITING

Research Site

Hangzhou, 310020, China

RECRUITING

Research Site

Harbin, 150081, China

RECRUITING

Research Site

Hefei, 230031, China

RECRUITING

Research Site

Kunming, 650118, China

COMPLETED

Research Site

Wuhan, 430079, China

RECRUITING

Research Site

Yinchuan, 750004, China

RECRUITING

Research Site

Zhengzhou, 450052, China

RECRUITING

Research Site

Chūōku, 104-0045, Japan

RECRUITING

Research Site

Kashiwa, 227-8577, Japan

RECRUITING

Research Site

Sunto-gun, 411-8777, Japan

RECRUITING

Research Site

Seoul, 03080, South Korea

RECRUITING

Research Site

Seoul, 03722, South Korea

RECRUITING

Research Site

Seoul, 05505, South Korea

RECRUITING

Research Site

Seoul, 06351, South Korea

RECRUITING

Research Site

Barcelona, 08035, Spain

RECRUITING

Research Site

Elche(Alicante), 03202, Spain

RECRUITING

Research Site

L'Hospitalet de Llobregat, 08908, Spain

RECRUITING

Research Site

Madrid, 28007, Spain

RECRUITING

Research Site

Madrid, 28040, Spain

RECRUITING

Research Site

Santander, 39008, Spain

RECRUITING

Research Site

Hsinchu, 300, Taiwan

RECRUITING

Research Site

Kaohsiung City, 80756, Taiwan

RECRUITING

Research Site

Taichung, 404, Taiwan

RECRUITING

Research Site

Tainan, 70403, Taiwan

RECRUITING

Research Site

Taipei, 10002, Taiwan

RECRUITING

Research Site

Taipei, 11259, Taiwan

RECRUITING

Research Site

Taoyuan District, 333, Taiwan

RECRUITING

Research Site

Edinburgh, EH4 2XU, United Kingdom

WITHDRAWN

Research Site

Leeds, LS9 7TF, United Kingdom

RECRUITING

Research Site

London, EC1M 6BQ, United Kingdom

RECRUITING

Research Site

Oxford, OX3 7LE, United Kingdom

RECRUITING

MeSH Terms

Conditions

Stomach Neoplasms

Interventions

Folfox protocolXELOXFluorouracilCapecitabine

Condition Hierarchy (Ancestors)

Gastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteNeoplasmsDigestive System DiseasesGastrointestinal DiseasesStomach Diseases

Intervention Hierarchy (Ancestors)

UracilPyrimidinonesPyrimidinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsDeoxycytidineCytidinePyrimidine NucleosidesDeoxyribonucleosidesNucleosidesNucleic Acids, Nucleotides, and Nucleosides

Central Study Contacts

AstraZeneca Clinical Study Information Center

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 7, 2022

First Posted

January 27, 2023

Study Start

January 16, 2023

Primary Completion (Estimated)

November 30, 2027

Study Completion (Estimated)

May 31, 2029

Last Updated

March 18, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will share

Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal. All request will be evaluated as per the AZ disclosure commitment: https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure. Yes, indicates that AZ are accepting requests for IPD, but this does not mean all requests will be shared.

Time Frame
AstraZeneca will meet or exceed data availability as per the commitments made to the EFPIA Pharma Data Sharing Principles. For details of our timelines, please rerefer to our disclosure commitment at https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.
Access Criteria
When a request has been approved AstraZeneca will provide access to the deidentified individual patient-level data in an approved sponsored tool . Signed Data Sharing Agreement (non-negotiable contract for data accessors) must be in place before accessing requested information. Additionally, all users will need to accept the terms and conditions of the SAS MSE to gain access. For additional details, please review the Disclosure Statements at https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.
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