Human psychopharmacology · 2007
Rapid dose initiation of quetiapine for the treatment of acute schizophrenia and schizoaffective disorder: a randomised, multicentre, parallel-group, open study.
СтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Boidi Giuseppina, Ferro Maurizio
Аннотация
OBJECTIVE: Rapid resolution of symptoms is a priority for clinicians treating acute psychosis, and rapid initiation of pharmacotherapy may prove beneficial. This study examined rapid dose initiation of quetiapine in acutely ill patients.
METHODS: A 2-week, multicentre, randomised, parallel-group, open study. Inpatients (n = 269) diagnosed with schizophrenia or schizoaffective disorder received rapid (n = 139) or conventional (n = 130) initiation of quetiapine, followed by flexible dosing (maximum 800 mg/day). Primary outcome included proportion of patients experiencing > or =1 episode of selected AEs (somnolence, dizziness, orthostatic hypotension) during Week 1. Secondary outcomes included discontinuations due to AEs, and efficacy assessed by BPRS and CGI-S scores.
RESULTS: The proportion of patients with > or =1 selected AE during Week 1 was 5.4% and 10.1% in the conventional and rapid initiation groups, respectively. Most common AEs (>5% patients) were hypotension, tachycardia, somnolence and sedation. Overall, four (3.1%) and three (2.1%) patients from the conventional and rapid initiation group, respectively, withdrew due to AEs. BPRS and CGI-S scores decreased significantly (p < 0.001) from baseline in both groups.
CONCLUSION: A higher proportion of patients experienced AEs with rapid initiation of quetiapine (800 mg/day by Day 4), although withdrawals due to AEs were comparable. Rapid initiation of quetiapine was generally well tolerated and effective in this setting.
METHODS: A 2-week, multicentre, randomised, parallel-group, open study. Inpatients (n = 269) diagnosed with schizophrenia or schizoaffective disorder received rapid (n = 139) or conventional (n = 130) initiation of quetiapine, followed by flexible dosing (maximum 800 mg/day). Primary outcome included proportion of patients experiencing > or =1 episode of selected AEs (somnolence, dizziness, orthostatic hypotension) during Week 1. Secondary outcomes included discontinuations due to AEs, and efficacy assessed by BPRS and CGI-S scores.
RESULTS: The proportion of patients with > or =1 selected AE during Week 1 was 5.4% and 10.1% in the conventional and rapid initiation groups, respectively. Most common AEs (>5% patients) were hypotension, tachycardia, somnolence and sedation. Overall, four (3.1%) and three (2.1%) patients from the conventional and rapid initiation group, respectively, withdrew due to AEs. BPRS and CGI-S scores decreased significantly (p < 0.001) from baseline in both groups.
CONCLUSION: A higher proportion of patients experienced AEs with rapid initiation of quetiapine (800 mg/day by Day 4), although withdrawals due to AEs were comparable. Rapid initiation of quetiapine was generally well tolerated and effective in this setting.