Three patient deaths linked to gene therapies developed by Sarepta Therapeutics (SRPT) have drawn FDA scrutiny on the viral vector used in the drugs. Read more here.

The U.S. Food and Drug Administration (FDA) is investigating the death of an eight-year-old boy who received Sarepta Therapeutics (NASDAQ: SRPT) gene therapy, Elevidys, for Duchenne muscular dystrophy (DMD).

Shares of Sarepta Therapeutics Inc. (NASDAQ:SRPT) plunged 13% on Friday after a major regulatory blow in Europe. The European Medicines Agency’s Committee for Medicinal Products for Human Use (CHMP) issued a negative opinion on Elevidys,