Effects on Satisfaction and Service Engagement of Paliperidone Palmitate Compared with Oral Paliperidone in Patients with Schizophrenia: An Open Label Randomized Controlled Trial.

Significant differences between the two formulations were found. PP1M was superior to paliperidone ER on global treatment satisfaction and convenience, on service engagement, and in reducing negative symptoms. The trial was registered in the Australian New Zealand Clinical Trials Registry (ANZCTR) with the code: ACTRN12618001113246.