Interpersonal Psychotherapy for Depression: Meta-Analysis of 38 Studies
How effective is interpersonal therapy for depression?
Interpersonal psychotherapy is highly effective for depression with 1 in 3 patients achieving remission who wouldn’t recover otherwise. Meta-analysis of 38 studies (4,356 patients) shows strong evidence.
Interpersonal therapy works by focusing on improving relationships and social functioning to relieve depression symptoms, addressing the social and relationship factors that contribute to and maintain depression.
What the data show:
- Number needed to treat: 2.91 patients (1 in 3 benefit)
- Effect size: 0.63 vs control groups - large effect
- Focus area: improves interpersonal relationships and social functioning
- Treatment structure: time-limited therapy with clear endpoints
- Evidence base: 38 studies demonstrate robust therapeutic value
A landmark meta-analysis published in the American Journal of Psychiatry examined interpersonal psychotherapy (IPT) effectiveness across 38 studies, demonstrating robust evidence for its therapeutic value in treating major depression.