A triple negative breast cancer cell line stained for endothelial cells and blood vessel content.Charles M. Perou, PhD

Adam Feuerstein is a senior writer and biotech columnist, reporting on the crossroads of drug development, business, Wall Street, and biotechnology. He is also a co-host of the weekly biotech podcast The Readout Loud and author of the newsletter Adam’s Biotech Scorecard. You can reach Adam on Signal at stataf.54.

CHICAGO — A treatment that combines two different types of cancer-fighting medicines — Gilead Sciences’ Trodelvy with Merck’s Keytruda — reduced the risk of tumor progression by more than one-third in women with an aggressive form of breast cancer. 

The results reported Saturday from the randomized Phase 3 study called ASCENT-04 could lead to a new treatment option for patients with newly diagnosed, metastatic, triple-negative breast cancer, experts said. 

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Gilead, which conducted the study, could also benefit from a boost in Trodelvy sales at a time when it faces competition from a similar drug made by AstraZeneca and Daiichi Sankyo.

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