Sumitomo Dainippon Pharma Co. Ltd. (SDP) and Japanese bioventure SanBio Co. Ltd. have decided to end their alliance for the joint development of SB623, a mesenchymal stem cell (MSC)-based therapy for stroke, which earlier this year missed its primary efficacy endpoint in a US Phase IIb trial.
Dainippon, SanBio Call Time On Stroke Cell Therapy Alliance
SanBio To Press On Despite Trial Failure
Japanese companies agree to discontinue regenerative cell therapy pact after high-profile Phase II failure, but SanBio will move ahead with development and Dainippon will hold onto ex-partner stake for now.

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