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Genentech Provides Update on Phase III PersevErA Study in ER-Positive Advanced Breast Cancer
March 10, 2026
SOUTH SAN FRANCISCO, California, March 10 -- Genentech, a member of Roche Group, issued the following news release on March 8, 2026:

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Genentech Provides Update on Phase III persevErA Study in ER-Positive Advanced Breast Cancer

* persevERA Breast Cancer study did not meet the primary objective of a statistically significant improvement in progression-free survival, but a numerical improvement was observed

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