When an R&D collaboration between a big pharma and a smaller firm dissolves, the common view is that the larger, more established entity lost confidence in the partnership. US biotech MyoKardia Inc.claimed Jan. 2 that the end of its four-year tie-up with Sanofi around drug candidates for rare genetic heart diseases is different, and that it wanted to regain full rights to its Phase III mavacamten and Phase II MYK-491.
MyoKardia Frames End Of Sanofi Partnership As A Bet On Itself
Biotech regains full rights to a pair of targeted therapies for heart diseases, but will bear full development costs. MyoKardia says the agreement with Sanofi ended due to differences over commercial rights, not concerns about trial data.

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