09:48 AM EDT, 06/30/2025 (MT Newswires) -- Zai Lab ( ZLAB ) said Monday that a phase 3 clinical trial evaluating first-line bemarituzumab plus chemotherapy for the treatment of gastric cancer met its primary endpoint of overall survival at an interim analysis.

The biopharmaceutical company said the treatment combination demonstrated a "statistically significant and clinically meaningful" improvement in overall survival compared with placebo plus chemotherapy.

Zai Lab ( ZLAB ) also said that a phase 3 trial of bemarituzumab plus chemotherapy and nivolumab is ongoing and that data readout is expected in H2.

Shares of Zai Lab ( ZLAB ) were up 2.1% in recent early trading.

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