Clinical trial PSY-3012 was a randomized, multicenter, double-blind, parallel-group, relapse-prevention study of paliperidone palmitate 3-month injection (PP3M) versus placebo. Adults with schizophrenia received a once-monthly injection (PP1M) in an open-label (OL) 17-week transition phase, then a single PP3M injection for OL 12-week maintenance. Stabilized subjects were then randomized to PP3M or placebo in the double-blind (DB) phase. Exploratory objectives were to compare health resource utilization (HRU) and costs between PP3M and placebo.
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