aTyr Pharma Orphan Status for Muscular Dystrophy Drug

FDA has granted aTyr Pharma an orphan drug designation for Resolaris for treating limb girdle muscular dystrophy (LGMD) patients. The company is developing Resolaris as a potential first-in-class intravenous protein therapeutic for treating rare myopathies with an immune component. It says Resolaris is derived from a naturally occurring protein released by human skeletal muscle cells. LGMD refers to a group of rare genetic myopathies, of which there are more than 20 different subtypes, none with approved therapies. It affects about 16,000 patients in the U.S.

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