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AstraZeneca Partner Daiichi Sankyo Says Breast Cancer Drug Demonstrates Improvements in Primary Endpoints in Phase 3 Trial
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AstraZeneca Partner Daiichi Sankyo Says Breast Cancer Drug Demonstrates Improvements in Primary Endpoints in Phase 3 Trial
Oct 6, 2025 1:38 AM

04:14 AM EDT, 10/06/2025 (MT Newswires) -- AstraZeneca ( AZN ) and Daiichi Sankyo said Monday that their breast cancer drug Datroway demonstrated statistically significant and clinically meaningful improvement in the primary endpoints of overall survival and progression-free survival compared with chemotherapy in a phase 3 trial.

Datroway had a safety profile consistent with previous trials in the same disease, they said.

The drug was discovered by Daiichi Sankyo and is being jointly developed and commercialized with AstraZeneca ( AZN ).

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