ISSN: 1935-1232 (P)

ISSN: 1941-2010 (E)

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Citations : 5129

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Safety of Paliperidone Extended-Release in Patients with Schizophrenia or Schizoaffective Disorder and Hepatic Disease
Author(s): Joan Amatniek, Carla M. Canuso, Stephen I. Deutsch, David C. Henderson, Lian Mao, Chris Mikesell, Stephen Rodriguez, John Sheehan, Larry Alphs

Background/Purpose: Patients with schizophrenia often suffer from comorbid hepatic disease. This multicenter, open-label, single-arm, crossover study evaluated the safety and efficacy of paliperidone extended-release (ER) in patients with schizophrenia or schizoaffective disorder and hepatic disease. Methods: The study comprised a screening period, followed by 9 weeks’ open-label treatment, divided into 2 phases. Phase 1 (4 weeks) was a continuation of usual antipsychotic treatment (UAT); phase 2 (5 weeks) consisted of a 1-week cross-titration from UAT to flexibly dosed paliperidone ER (3–12 mg/d), followed by 4 weeks of paliperidone ER alone. Treatment-emergent adverse events (TEAEs), including those considered more relevant to antipsychotic treatment (prespecified adverse events [AEs]), were analyzed. Results: Although more subjects reported TEAEs during the paliperidone ER alone period than during the UAT period, no significant differences occurred in prespecified AE rates. No new safety signals were detected, and minimal shifts in liver function test values were observed. Improvements in psychiatric symptoms and functioning were observed after 4 weeks’ paliperidone ER treatment. Conclusions: This study suggests that paliperidone ER is well tolerated in patients with schizophrenia or schizoaffective disorder and hepatic disease. To the best of our knowledge, this is the largest prospective study to date in this population.