Effects of Non‐Pharmacological Interventions on Psychological Distress in Patients With Malignant Tumors: A Systematic Review and Network Meta‐Analysis

Non-pharmacological interventions had overall benefits in reducing the psychological distress of patients with malignant tumors, especially Naikan Morita therapy, acceptance and commitment therapy, music therapy and logotherapy. However, more high-quality randomized controlled trials are still needed to obtain more reliable conclusions.