FDA staff say Capricor's deramiocel fails to show clear efficacy for Duchenne, tanking shares 65%+ ahead of this week's adcomm vote.

Capricor shares lost much of their value ahead of a high-stakes advisory committee meeting. Elsewhere, Ying Huang’s resignation extended a stock slide for Legend and AstraZeneca…

Ahead of a hearing, the FDA raised questions about the benefits of a Duchenne treatment from Capricor Therapeutics, another twist for the rare disease drug.