Study of TDXd, Chemotherapy, Pembrolizumab, and Trastuzumab in First-Line Metastatic HER2-Positive Gastric or Gastroesophageal Junction Cancer

This clinical trial is designed to assess the efficacy and safety of the triplet combination of trastuzumab deruxtecan (ENHERTU, T-DXd, DS-8201a) plus a fluoropyrimidine plus pembrolizumab versus standard of care (SoC) chemotherapy plus trastuzumab plus pembrolizumab as first-line therapy in participants with unresectable, locally advanced or metastatic HER2-positive tumor PD-L1 CPS ≥1 gastric or GEJ cancer in the Main Cohort. An Exploratory Cohort will also be evaluated to assess the efficacy and safety of T-DXd plus a fluoropyrimidine versus SoC chemotherapy plus trastuzumab in participants with unresectable, locally advanced or metastatic HER2-positive tumor PD-L1 CPS \<1 gastric or GEJ cancer.

CONDITIONS

Gastric Cancer, Gastroesophageal Junction Cancer

PRODUCT

T-DXd

GENDER

ALL

AGE

18 Years

SPONSOR

Daiichi Sankyo

COLLABORATOR

Merck Sharp & Dohme LLC

TRIAL RUNS IN

245 Global Locations

A Multicenter, Randomized, Open-Label, Phase 3 Trial of Trastuzumab Deruxtecan (Enhertu®) Plus Chemotherapy Plus or Minus Pembrolizumab Versus Chemotherapy Plus Trastuzumab Plus or Minus Pembrolizumab as First-Line Treatment in Participants With Unresectable, Locally Advanced or Metastatic HER2-Positive Gastric Or Gastroesophageal Junction (GEJ) Cancer (Destiny-Gastric05)

This was last updated on 2025-11-06 19:34:33.659.

The content contained is taken is taken directly from public registry ClinicalTrials.gov and has not been edited.

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