Mallinckrodt Inc.’s suit against FDA to win back an AB rating for its methylphenidate generic is an uphill battle, but it could be helpful to the industry as a whole since it may shed some light on how FDA investigates bioequivalence concerns, which appear to be increasingly common inquiries by the agency.
FDA seems well positioned in the suit, which Mallinckrodt filed Nov. 17, because the agency has traditionally received...