Positive Breast-Cancer Drug Study Buoys Swiss Drugmaker Roche -- WSJ

Dow Jones12-10

By Peter Loftus

Roche Holding shares rose 2% Wednesday after the Swiss drugmaker reported positive results from a new study of an experimental breast cancer drug.

The pill, giredestrant, reduced the risk of death or invasive disease by 30% versus an older treatment in patients who had surgery at an early stage of a certain type of breast cancer. The Phase 3 study enrolled about 4,100 patients.

If regulators approve and the drug makes it to market, it could be a big sales generator because the drug promises the first significant advance in this type of endocrine-based therapy for breast cancer in many years.

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December 10, 2025 10:31 ET (15:31 GMT)

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