This is a Global Study of Neoadjuvant-Adjuvant Durvalumab or Placebo and FLOT ChemotherapyFollowed by Adjuvant Durvalumab or Placebo in Patients with Resectable Gastric and Gastroesophageal Cancer (GC/GEJC) (MATTERHORN)

Phase 1

• Conditions: Histologically documented gastric or gastroesophageal junction adenocarcinoma withresectable disease (Stage II or higher per AJCC 8th edition).; Therapeutic area: Diseases [C] - Cancer [C04]; MedDRA version: 21.1Level: LLTClassification code 10066354Term: Adenocarcinoma of the gastroesophageal junctionSystem Organ Class: 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps); MedDRA version: 21.1Level: PTClassification code 10017758Term: Gastric cancerSystem Organ Class: 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps)

• Registration Number: EUCTR2019-001555-40-DE
• Lead Sponsor: AstraZeneca AB

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2020-10-20
• Last Update Posted: 26 February 2024

Recruitment & Eligibility

• Status: ot Recruiting
• Sex: All
• Target Recruitment: 900

Inclusion Criteria

Patients with histologically documented gastric or gastroesophageal junction adenocarcinoma with resectable disease (Stage II or higher per AJCC 8th edition).
Patients must have undergo radical surgery.
No prior anti-cancer therapy for the current malignancy.
World Health Organization (WHO)/ECOG PS of 0 or 1 at enrollment
Adequate organ and marrow function
Availability of tumor sample prior to study entry
Must have a life expectancy of at least 24 weeks
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 450
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 450

Exclusion Criteria

Patients with peritoneal dissemination or distant metastasis
Patients with adenosquamous cell carcinoma, squamous cell carcinoma, or GI stromal tumor
History of allogeneic organ transplantation.
Contra-indication to any of the study drugs
Current or prior use of immunosuppressive medication within 14 days before the first dose of durvalumab.

Study & Design

• Study Type: Interventional clinical trial of medicinal product
• Study Design: Not specified