Genentech to Acquire Breast Cancer Drug Company Seragon for Up to $1.7 Billion

July 2, 2014, 8:48 PM UTC

Seragon Pharmaceuticals Inc. July 2 announced a definitive agreement under which Genentech will acquire Seragon for $725 million in cash and $1 billion in contingent development milestone payments.

Seragon, founded in August 2013, is an independent, venture-backed biotech company based in San Diego that was spun out of Aragon Pharmaceuticals following its acquisition by Johnson & Johnson11 PLIR 788, 6/21/13. Seragon develops small-molecule drugs for the treatment of estrogen receptor-dependent breast cancer.

The acquisition includes Seragon’s selective estrogen receptor degraders (SERDs) program, including its most advanced compound, ARN-810, a next-generation SERD that is being evaluated in a phase ...

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