Rigel licenses VEPPANU breast cancer drug for $85 million upfront

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Rigel Enters Exclusive Global Licensing Agreement for VEPPANU™ (vepdegestrant), an oral PROTAC, for the Treatment of 2L+ ER+/HER2-, ESR1m Advanced or Metastatic Breast Cancer

May 12, 2026 7:00 AM EDT

VEPPANU has a novel mechanism of action, is the first and only FDA-approved PROTAC and has the potential to become an important new treatment option for adult patients with 2L+ ER+/HER2-, ESR1-mutated mBCPivotal Phase 3 VERITAC-2 clinical trial results showed that vepdegestrant was generally well tolerated and reported mPFS of 5.0 months vs. 2.1 months for fulvestrant, a 2.4-fold improvement, in patients with 2L+ ER+/HER2- mBC with an ESR1 mutationUpon closing of the transaction, VEPPANU will become Rigel's fourth commercial product and its major focus to accelerate revenue growth while... More