Aclaris Therapeutics signs license agreement for JAK inhibitors to treat skin disorders with Rigel

10 September 2015

Privately-held US firm Aclaris Therapeutics and Rigel Pharmaceutical (Nasdaq: RIGL) have entered into an exclusive, worldwide license agreement for the development and commercialization of Rigel’s JAK inhibitor compounds for the treatment of alopecia areata and other dermatological conditions.

Under the accord, wholly-owned subsidiary Aclaris Therapeutics International Limited (ATIL) has agreed to assume responsibility for the continued development of specified Rigel JAK inhibitor compounds for the treatment of alopecia areata and other dermatological conditions. Rigel, a clinical-stage biotech company, will receive an upfront payment of $8 million from ATIL, and will be eligible to receive various milestone payments of up to $90 million based on global development and multiple indications, as well as tiered royalties on any future sales of these compounds.

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