Schering Intron A recall

Schering-Plough recalls four lots of Intron A (interferon alfa-2b) after stability tests find it to be subpotent 30 days following reconstitution. The lots are manufactured at company's Ireland plant; Schering is sorting out cGMP compliance problems at its Puerto Rico and New Jersey facilities (1"The Pink Sheet" July 2, p. 25). The recalled lots were due to expire between Oct. 20 and Aug. 2, 2002