ObsEva and Kissei join forces to develop endometriosis treatment

20 November 2015

Swiss biopharma company ObsEva and Japanese company Kissei Pharmaceutical have joined forces to develop and commercialize KLH-2109 for the treatment of endometriosis and other potential indications, it has been announced.

KLH-2109 is an oral, gonadotropin-releasing hormone (GnRH) antagonist, for which three Phase 2a studies have been completed in endometriosis in Japan.

Under the terms of the agreement, ObsEva will acquire the exclusive rights to develop and commercialize KLH-2109 worldwide, excluding Asia. Both companies will collaborate in parallel on the development of KLH-2109, referred to as OBE2109 in ObsEva’s pipeline.

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