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Am J Psychiatry. 2000 Sep;157(9):1429-35.

Double-blind, placebo-controlled trial of the use of lithium to augment antidepressant medication in continuation treatment of unipolar major depression.

Author information

1
Neuropsychiatric Institute & Hospital, Department of Psychiatry and Biobehavioral Sciences, University of California at Los Angeles, 90095-6968, USA. mjbauer@mednet.ucla.edu

Abstract

OBJECTIVE:

Use of lithium to augment antidepressant medication has been shown to be beneficial in the acute treatment of depression. The authors examined the efficacy of lithium augmentation in the continuation treatment of unipolar major depressive disorder.

METHOD:

Thirty patients with a refractory major depressive episode who had responded to acute lithium augmentation during an open 6-week study participated in a randomized, parallel-group, double-blind, placebo-controlled trial of lithium augmentation during continuation treatment. After a 2-4-week stabilization period following remission, patients were randomly assigned to receive either lithium or placebo for a 4-month period. Antidepressant medication was continued throughout the study.

RESULTS:

Relapses (including one suicide) occurred in seven (47%) of the 15 patients who received placebo in addition to antidepressants. None (0%) of the 14 patients who received lithium augmentation with antidepressants suffered a relapse during the double-blind phase of the study. Five of the seven relapsing patients in the placebo group developed a depressive episode, and the other two experienced a manic episode.

CONCLUSIONS:

Lithium augmentation in the continuation phase of treatment of unipolar major depressive disorder effectively protects patients against a relapse. Patients who respond to lithium augmentation should be maintained on lithium augmentation for a minimum of 6 months or even longer.

PMID:
10964859
DOI:
10.1176/appi.ajp.157.9.1429
[Indexed for MEDLINE]

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