A paper published in the current issue of Psychotherapy and Psychosomatic by a group of German investigators analyzes the data collected on the effectiveness of brief psychodynamic psychotherapy. The Task Force on Promotion and Dissemination of Psychological Procedures proposed rigorous criteria to define empirically supported psychotherapies. According to these criteria, 2 randomized controlled trials (RCTs) showing efficacy are required for a treatment to be designated as 'efficacious' and 1 RCT for a designation as 'possibly efficacious'. Applying these criteria modified by Chambless and Hollon, this study presented an update on the evidence for psychodynamic therapy (PDT) in specific mental disorders.
The Authors performed a systematic search using the criteria by Chambless and Hollon for study selection, as follows: (1) RCT of PDT in adults, (2) use of reliable and valid measures for diagnosis and outcome, (3) use of treatment manuals or manual-like guidelines, (4) adult population treated for specific problems and (5) PDT superior to no treatment, placebo or alternative treatment or equivalent to an established treatment. A total of 39 RCTs were included in the final analyses.
Following Chambless and Hollon, PDT resulted efficacious in treating major depressive disorder (MDD), social anxiety disorder, borderline and heterogeneous personality disorders, somatoform pain disorder, and anorexia nervosa. For MDD, this also applies to the combination with pharmacotherapy. PDT can be considered as possibly efficacious in dysthymia, complicated grief, panic disorder, generalized anxiety disorder, and substance abuse/dependence. Evidence is lacking for obsessive-compulsive, posttraumatic stress, bipolar and schizophrenia spectrum disorder(s).
Overall, this study highlights that that PDT has been proved effective or possibly effective in a wide range of common mental disorders.