A Safety and Pharmacokinetic Study of Paliperidone Palmitate in Patients With Schizophrenia

All patients will receive a single IM injection of 150mg eq of study drug on Day 1. Patients who tolerate 150mg eq will receive a 2nd IM injection of 150mg eq on Day 8 followed by 12 IM injections (1 every 4 weeks) of 150mg eq. All other patients will be assigned to Treatment B.

Patients not tolerating Treatment A will receive a single IM injection of study drug 100mg eq at their next scheduled visit followed by injections (1 every 4 weeks) ranging from 50 to 150mg eq