U.S. regulators asked Sarepta Therapeutics on Friday to voluntarily halt shipments of its Elevidys gene therapy after a muscular dystrophy patient who received a different, experimental treatment died,

Drugmaker Sarepta Therapeutics says it won’t comply with a request from U.S. regulators to halt all shipments of its gene therapy.

The Sarepta saga continues, with the FDA slapping a clinical hold across all of the company’s investigational limb girdle muscular dystrophy (LGMD) trials, while also revoking the biopharma’s gene therapy platform technology designation.