Efter at være blevet behandlet for en akut episode i 6 uger og stabiliseret i yderligere 8 uger med INVEGA (doser på 3- 15 mg én gang dagligt) blev patienterne randomiseret i et dobbeltblindet design til enten at fortsætte med INVEGA eller med placebo, indtil de oplevede recidiv af skizofrenisymptomer.
After having been treated for an acute episode for 6 weeks and stabilized for an additional 8 weeks with INVEGA (doses ranging from 3 to 15 mg once daily) patients were then randomised in a double-blind manner to either continue on INVEGA or on placebo until they experienced a relapse in schizophrenia symptoms.