drugset / Trial / NCT06532006

A Phase Ⅲ Clinical Study of HLX22 in Combination With Trastuzumab and Chemotherapy for the Treatment of Gastroesophageal Junction and Gastric Cancer

NCT06532006

Phase 3 Recruiting 550 enrolled Shanghai Henlius Biotech Henlius USA · collab
RandomizedParallel-groupQuadruple-blindTreatment

Summary

This is a double-blind, randomized, multiregion, comparative phase Ⅲ clinical study designed to evaluate the efficacy and safety of HLX22 in combination with trastuzumab and chemotherapy as first-line treatment in patients with HER2-positive locally advanced/metastatic adenocarcinoma of the gastric and/or gastroesophageal junction (G/GEJ).Eligible subjects will be randomized to the two groups based on a 1:1 ratio. Enrolled subjects shall be treated with the study drug until the loss of clinical benefit, death, intolerable toxicity, withdrawal of informed consent, or other reasons specified by the protocol (whichever occurs first).

Timeline

Start
2024-11-22
Primary completion
2027-06-01
Completion
2028-09-01

Drugs

EvaluationDrugModalityDoseRoute
Subject HLX22 Monoclonal antibody 15 mg/kg
Comparator Pembrolizumab Monoclonal antibody 200 mg
Background Capecitabine Small molecule 1000 mg/m2
Background Oxaliplatin Small molecule 130 mg/m2
Background Trastuzumab Monoclonal antibody 6 mg/kg