drugset / Trial / NCT04859582

Pembrolizumab (MK-3475) Plus Chemotherapy Versus Placebo Plus Chemotherapy in Participants Gastric or Gastroesophageal Junction (GEJ) Adenocarcinoma (MK-3475-859/KEYNOTE-859)-China Extension

NCT04859582 ↗

Phase 3 Withdrawn Merck Sharp & Dohme LLC
RandomizedParallel-groupDouble-blindTreatment

Summary

The purpose of this study is to evaluate the efficacy of pembrolizumab (MK-3745) in combination with chemotherapy (Cisplatin combined with 5-Fluorouracil \[FP regimen\] or oxaliplatin combined with capecitabine \[CAPOX regimen\]) versus placebo in combination with chemotherapy (FP or CAPOX regimens) in the treatment of human epidermal growth factor receptor 2 (HER2) negative advanced gastric or GEJ adenocarcinoma in adult Chinese participants. The primary hypotheses of this study are that pembrolizumab plus chemotherapy is superior to placebo plus chemotherapy in terms of overall survival (OS).

Timeline

Start
2018-11-08
Primary completion
2024-11-29
Completion
2024-11-29

Outcome

Outcome not reported

Stopped: “Withdrawn due to protocol amendment”

Drugs

EvaluationDrugModalityDoseRoute
Subject Pembrolizumab Monoclonal antibody 200 mg Intravenous
Background Capecitabine Small molecule 1000 mg/m2 Oral
Background Cisplatin Other / unclassified 80 mg/m2 Intravenous
Background Oxaliplatin Small molecule 130 mg/m2 Intravenous
Background fluorouracil Small molecule 800 mg/m2 Intravenous

Indications