Efficacy and tolerability of aripiprazole in first-episode drug-naive patients with schizophrenia: an open-label trial.

Abstract:

OBJECTIVE:The purpose of this study is to investigate the safety and efficacy of aripiprazole in first-episode drug-naive patients with schizophrenia. METHODS:A total of 45 patients were enrolled in an open-label 12-week study. Dosing was determined by clinical judgment. The main efficacy measure was the Brief Psychiatric Rating Scale (BPRS). Patients with a 50% or greater decrease in BPRS total score plus a final Clinical Global Impressions-Severity of Illness scale score of < or =3 (mildly ill) were considered as responders. RESULTS:Of 45 subjects, 3 did not return after baseline assessment, leaving an intent-to-treat sample of 42 subjects. The mean dosage of aripiprazole was 17.8 mg/d (SD, 9.5) at study end point (last observation). The responder rate was 78.6% (33/42). The BPRS excitement symptom subscale score at baseline was significantly higher in nonresponders compared with responders (P < 0.001). Restlessness/irritability was the most frequent side effect (40.5% [17/42]), being well controlled by benzodiazepines. Body weight and metabolic parameters such as cholesterol, triglycerides, and fasting glucose did not change during this study. CONCLUSIONS:Aripiprazole produced favorable outcomes and good tolerance in the first-episode schizophrenia. Double-blind crossover trials are needed to confirm our observation.

journal_name

Clin Neuropharmacol

authors

Takahashi H,Oshimo T,Ishigooka J

doi

10.1097/WNF.0b013e31817c6b06

subject

Has Abstract

pub_date

2009-05-01 00:00:00

pages

149-50

issue

3

eissn

0362-5664

issn

1537-162X

pii

00002826-200905000-00004

journal_volume

32

pub_type

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