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Pooled analysis of sustained response rates for extended release quetiapine fumarate as monotherapy or adjunct to antidepressant therapy in patients with major depressive disorder.

Abstract：

BACKGROUND:Clinical trials are not generally powered to analyze outcomes such as sustained response. We evaluated sustained response rates for patients with major depressive disorder receiving quetiapine XR as monotherapy or adjunct therapy. METHOD:Post hoc analyses of pooled data from four previously reported randomized, placebo-controlled studies of quetiapine XR 150 and 300 mg/day as monotherapy or adjunct therapy to ongoing antidepressant. Sustained response rates (≥50% reduction in MADRS total score at specific timepoint and each subsequent visit until Week 6) were calculated at Weeks 1, 2, and 4; rates were compared using a Cochran-Mantel-Haenszel analysis. RESULTS:In the monotherapy studies, the proportion of patients experiencing sustained response was greater with quetiapine XR 150 mg/day versus placebo at Week 2 (20.0% vs. 13.3%; p<0.05) and Week 4 (33.3% vs. 23.3%; p<0.01) (observed cases [OC]). The corresponding sustained response rates for quetiapine XR 300 mg/day were 18.0% (p=0.104) and 29.7% (p=0.063), respectively (OC). The proportion of patients experiencing sustained response was greater in the adjunct studies versus placebo at Weeks 2 and 4 for quetiapine XR 150 (Week 2, 30.1% vs. 15.2%, p<0.001; Week 4, 40.1% vs. 32.0%, p<0.05) and 300 mg/day (Week 2, 29.0% vs. 15.2%, p<0.001; Week 4, 42.0% vs. 32.0%, p<0.05) (OC). LIMITATIONS:Post hoc analyses, acute treatment period; no active comparator. CONCLUSIONS:Quetiapine XR as monotherapy (150 mg/day at Weeks 2 and 4) or adjunct to ongoing antidepressant therapy (150 and 300 mg/day at Weeks 2 and 4) increased sustained response rates versus placebo.

journal_name

J Affect Disord

journal_title

Journal of affective disorders

authors

Vieta E,Bauer M,Montgomery S,McIntyre RS,Szamosi J,Earley WR,Eriksson H

doi

10.1016/j.jad.2013.01.052

subject

Has Abstract

pub_date

2013-09-05 00:00:00

pages

639-43

issue

eissn

0165-0327

issn

1573-2517

pii

S0165-0327(13)00181-X

journal_volume

150

pub_type

杂志文章,meta分析

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Pooled analysis of sustained response rates for extended release quetiapine fumarate as monotherapy or adjunct to antidepressant therapy in patients with major depressive disorder.