The Food & Drug Administration is investigating the death of an 8‑year‑old following Elevidys gene therapy for Duchenne muscular dystrophy. U.S. distribution has been paused amid safety concerns.

The head of the US Food and Drug Administration said the agency will “take a hard look” at a gene therapy from Sarepta Therapeutics Inc. after two patient deaths, adding pressure to the biotech company which also announced a third patient had recently died on a similar treatment.

The reporting physician has assessed the death as unrelated to treatment with the gene therapy, Roche said, adding that the death was reported to the health authorities as require