Branded versus generic clozapine for treatment of schizophrenia.

Objective: To report clinical findings resulting from a switch from branded to generic clozapine.

Methods: Twenty patients diagnosed with schizophrenia were followed in this naturalistic outpatient study. The Positive and Negative Syndrome Scale (PANSS), Beck Anxiety Inventory (BAI), Abnormal Involuntary Movement Scale, and the Movement Disorder Assessment were used to assess differences in the clinical status of patients before and after switching from Clozaril to generic clozapine (Mylan Pharmaceuticals).