Risperdal's long shadow over Alkermes
Johnson & Johnson subsidiary Janssen Pharmaceutica NV and partner Alkermes Inc. are keeping mum about the reasons behind last week's non-approvable letter from FDA for Risperdal Consta long-acting risperidone microsphere injection to treat psychoses in schizophrenia patients. But the damage to ALKS's stock, which plummeted 72% last week, could endanger its pending acquisition of Reliant Pharmaceuticals LLC.
JNJ (New Brunswick, N.J.) said it was confident that it could resolve the FDA's questions about certain aspects of pre-clinical data, but would not elaborate on the nature of the questions. Spokesperson Melissa Katz did say that