Effectiveness of Psychotherapy for Both Endogenous and Nonendogenous Depression in Older Adult Outpatients

Abstract
This study explored the effectiveness of brief psychotherapies for treatment of elderly depressed outpatients. All were in a current episode of major depressive disorder, but half the sample (n = 15) presented with endogenous symptomatology as well. Patients were assigned to either behavioral, cognitive, or insight-oriented psychotherapy for 16 sessions over a 12-week period. Evaluation occurred before and after therapy, and at four times during a 1-year follow-up interval. Nonendogenous patients responded more favorably to psychotherapy; this differential effect persisted throughout follow-up. Significant improvement, however, was made by some endogenous patients. One-third were not depressed by termination of therapy, and seven others were notably improved. Eight of is had not relapsed at 1-year follow-up.

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