FDA Designates Agios Mitapivat Orphan Drug

FDA has granted orphan drug designation for Agios Pharmaceuticals’ first-in-class pyruvate kinase R (PKR) activator mitapivat for treating patients with sickle cell disease. The company says mitapivat is an investigational, oral, small molecule allosteric activator of wild-type and a variety of mutated PKR enzymes. It previously was given orphan drug designation for treating pyruvate kinase deficiency and for treating thalassemia.

 

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