By MATTHEW PERRONE, Associated Press Health Writer

WASHINGTON (AP) — The Food and Drug Administration said Friday it will add a new warning and other limitations to a gene therapy for Duchenne’s muscular dystrophy that’s been linked to two patient deaths .

The infused therapy from Sarepta Therapeutics will carry a boxed warning — the most serious type — alerting doctors and patients to the risk of potentially fatal liver failure with the treatment, the FDA said in a release.

The one-time therapy, Elevidys, has been under FDA scrutiny since the company reported the first of two deaths of teenage boys in March. Following a second death reported in June, the FDA briefly called for halting all shipments of the drug. But the agency quickly reversed course after facing pushback from p

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