Schizophrenia research · 2011
Effects of acute paliperidone palmitate treatment in subjects with schizophrenia recently treated with oral risperidone.
СтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Sliwa Jennifer Kern, Bossie Cynthia A, Ma Yi-Wen, Alphs Larry
Аннотация
OBJECTIVE: To examine efficacy and safety of acute treatment with paliperidone palmitate in subjects with schizophrenia whose disease remained symptomatic despite recent treatment with oral risperidone.
METHODS: Post hoc analysis of a 13-week, double-blind, placebo-controlled study of subjects with symptomatic schizophrenia randomized to paliperidone palmitate 39, 156, or 234 mg (25, 100, or 150 mg equivalents of paliperidone) or placebo. Paliperidone palmitate subjects received a 234-mg day 1 dose, followed by their assigned dose on day 8 and monthly thereafter. Subjects treated with oral risperidone within 2 weeks before randomization regardless of duration were included.
ASSESSMENTS: PANSS, CGI-S, PSP scores; AEs. ANCOVA models with LOCF methodology evaluated treatment group differences.
RESULTS: 216 subjects received prior oral risperidone (paliperidone palmitate 39 mg, n=53; 156 mg, n=58; 234 mg, n=48; placebo, n=57). Median prior risperidone use was 22 days. Significant improvement was observed with paliperidone palmitate 156-mg or 234-mg versus placebo in least-squares mean (SE) score change at end point in PANSS total (156 mg, -15.8 [3.0], p=0.0001; 234 mg, -17.6 [3.2], p=0.0001), CGI-S (156 mg, -0.9 [0.2], p=0.0068; 234 mg, -1.1 [0.2], p=0.0003), and PSP (156 mg, 10.7 [2.3], p=0.0061; 234 mg, 12.9 [2.4], p=0.0009). Most common AEs (≥10%) in any paliperidone palmitate group were insomnia, anxiety, and headache.
CONCLUSIONS: In subjects with schizophrenia who recently received oral risperidone but who remained symptomatic, acute treatment with monthly doses of 156-mg and 234-mg paliperidone palmitate significantly improved clinical symptoms, global illness ratings, and functioning compared with placebo, with no unexpected safety findings.
METHODS: Post hoc analysis of a 13-week, double-blind, placebo-controlled study of subjects with symptomatic schizophrenia randomized to paliperidone palmitate 39, 156, or 234 mg (25, 100, or 150 mg equivalents of paliperidone) or placebo. Paliperidone palmitate subjects received a 234-mg day 1 dose, followed by their assigned dose on day 8 and monthly thereafter. Subjects treated with oral risperidone within 2 weeks before randomization regardless of duration were included.
ASSESSMENTS: PANSS, CGI-S, PSP scores; AEs. ANCOVA models with LOCF methodology evaluated treatment group differences.
RESULTS: 216 subjects received prior oral risperidone (paliperidone palmitate 39 mg, n=53; 156 mg, n=58; 234 mg, n=48; placebo, n=57). Median prior risperidone use was 22 days. Significant improvement was observed with paliperidone palmitate 156-mg or 234-mg versus placebo in least-squares mean (SE) score change at end point in PANSS total (156 mg, -15.8 [3.0], p=0.0001; 234 mg, -17.6 [3.2], p=0.0001), CGI-S (156 mg, -0.9 [0.2], p=0.0068; 234 mg, -1.1 [0.2], p=0.0003), and PSP (156 mg, 10.7 [2.3], p=0.0061; 234 mg, 12.9 [2.4], p=0.0009). Most common AEs (≥10%) in any paliperidone palmitate group were insomnia, anxiety, and headache.
CONCLUSIONS: In subjects with schizophrenia who recently received oral risperidone but who remained symptomatic, acute treatment with monthly doses of 156-mg and 234-mg paliperidone palmitate significantly improved clinical symptoms, global illness ratings, and functioning compared with placebo, with no unexpected safety findings.