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J Clin Psychiatry. 2007 Jun;68(6):826-31.

Augmentation of antidepressants with atypical antipsychotic medications for treatment-resistant major depressive disorder: a meta-analysis.

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1
Depression Clinical and Research Program, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. gpapakostas@partners.org

Abstract

OBJECTIVE:

To examine the efficacy and overall tolerability of augmentation of standard antidepressants with atypical antipsychotic agents for treatment-resistant major depressive disorder.

DATA SOURCES:

MEDLINE/PubMed, EMBASE, the Cochrane database, and program syllabi from major psychiatric meetings held since 2000 as well as a number of online clinical trial results registries were searched. Makers of atypical anti-psychotic agents who do not maintain an online clinical study results registry were contacted directly.

STUDY SELECTION:

Double-blind, randomized, placebo-controlled clinical trials assessing adjunctive treatment of standard antidepressants with an atypical antipsychotic agent for treatment-resistant major depressive disorder were identified.

DATA EXTRACTION:

Data were extracted with the use of a pre-coded form.

DATA SYNTHESIS:

Data from 10 clinical trial reports involving a total of 1500 outpatients with treatment-resistant major depressive disorder were identified and combined using a random-effects model. Patients randomized to adjunctive treatment with an atypical antipsychotic agent were more likely to experience remission (risk ratio [RR] = 1.75, p < .0001) or clinical response (RR = 1.35, p = .001) than patients who received adjunctive placebo. Pooled remission and response rates for the 2 treatment groups were 47.4% vs. 22.3% and 57.2% vs. 35.4%, respectively. Although there was no difference in overall discontinuation rates (p = .929) or the rate of discontinuation due to inefficacy (p = .133) between the 2 treatment groups, the rate of discontinuation due to adverse events was lower among placebo-treated patients (RR = 3.38, p < .0001).

CONCLUSIONS:

These results support the utility of augmenting standard antidepressants with atypical antipsychotic agents for treatment-resistant major depressive disorder. An obvious limitation of this work is the absence of data focusing on the use of aripiprazole and ziprasidone. Future short- as well as long-term studies comparing the efficacy, safety, and tolerability of this versus other adjunctive strategies are warranted.

PMID:
17592905
[Indexed for MEDLINE]
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