Combination Margetuximab, Retifanlimab, Tebotelimab, and Chemotherapy Phase 2/3 Trial in HER2+ Gastric/GEJ Cancer

Completed · Phase 2/Phase 3

Conditions studied: Gastric Cancer, Gastroesophageal Junction Cancer, HER2-positive Gastric Cancer

In brief

This is a Phase 2/3, randomized, open-label study for the treatment of patients with HER2-positive Gastric cancer (GC) or Gastroesophageal Junction (GEJ) cancer conducted in two parts. Part A is a single-arm cohort (Cohort A, 40 to 110 participants) will evaluate safety and efficacy of margetuximab plus retifanlimab. Part B Part 1 has 4 arms (50 patients/arm). Participants will be randomized to margetuximab plus retifanlimab plus chemotherapy, margetuximab plus tebotelimab, plus chemotherapy, margetuximab plus chemotherapy, or trastuzumab plus chemotherapy.

Key facts

Study ID
NCT04082364
Run by
MacroGenics
People needed
82
Starts
2019-09-30
Expected to finish
2025-03-25
Last updated by the study team
2025-06-08

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

Where it is running

Full record on ClinicalTrials.gov

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