After the FDA request, Cambridge, Massachusetts-based Sarepta said in a statement that it will continue to ship the therapy to ambulatory people but maintain a halt it implemented June 15 for non-ambulatory patients after reporting to the FDA a case of acute liver failure in a patient who could not walk.

Roche is pausing shipments of Elevidys in some countries, following partner Sarepta Therapeutics’ move in the U.S., as safety concerns mount over the Duchenne muscular dystrophy gene therapy. | Roche is pausing shipments of Elevidys in some countries,

Analysts downgraded Sarepta as FDA pause on Elevidys raises regulatory uncertainty, leading to significant stock pressure and valuation cuts.

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.

For Sarepta, the hits keep coming, with several downgrades in the past week after it was forced to temporarily take its top-selling drug off the market.

Sarepta Therapeutics faces serious FDA action after news broke of a third patient death, the FDA gets a new top drug regulator in George Tidmarsh, a handful of new drugs get turned away from the market and pharma companies continue to commit billions to reshoring manufacturing.