GPhA petitions FDA on biosimilar names

The Generic Pharmaceutical Association requested in a Citizen's Petition that FDA allow biosimilar and interchangeable biologics to use the same international non-proprietary name (INN) as reference biologics. GPhA said requiring different INNs for biosimilars and the original biologic would "inaccurately suggest that these products have meaningful clinical differences for patients."

The petition asserts that FDA lacks legal authority to require separate INNs for biosimilars. GPhA also noted that FDA has allowed originator biologics, including antihemophilic factors, to share an INN even if they differ in manufacturing method. FDA does not comment on pending petitions, an agency spokesperson said. ...