Acupuncture for Patients With Major Depressive Disorder: An Evidence Map of Randomized Controlled Trials, Systematic...

Area of Science:

• Integrative and Complementary Medicine
• Psychiatry
• Evidence Synthesis

Background:

• Acupuncture is a potential complementary therapy for Major Depressive Disorder (MDD).
• Existing evidence on acupuncture for MDD is inconsistent and of uncertain quality.
• A comprehensive overview of current research is needed to guide future studies.

Purpose of the Study:

• To systematically review and synthesize evidence on acupuncture for MDD.
• To identify gaps and limitations in the existing literature.
• To provide recommendations for future research and clinical practice.

Main Methods:

• Systematic search of 8 databases and 7 guideline repositories for RCTs, SRs, and guidelines.
• Data extraction and quality assessment using Cochrane Risk of Bias and AMSTAR-2 tools.
• Synthesis of key evidence and recommendations.

Main Results:

• 374 studies identified (330 RCTs, 35 SRs, 9 guidelines); RCTs often had small sample sizes.
• Most studies combined acupuncture with antidepressants; bias was unclear in 80.3% of RCTs.
• SRs reported positive findings, but 74.29% had very low methodological quality; guideline recommendations varied.

Conclusions:

• Acupuncture may reduce depressive symptoms and comorbid symptoms (anxiety, sleep, somatic) as adjunctive therapy.
• Findings are limited by small-scale trials and methodological weaknesses.
• Further large, high-quality RCTs are essential to confirm efficacy and inform guidelines.