Affiliation:
1. Department of Psychiatry and Psychotherapy, Faculty of Medicine University of Cologne Cologne Germany
2. Department of Psychiatry and Psychotherapy Technical University of Dresden Dresden Germany
Abstract
AbstractBackgroundQuality of Life (QoL) is an important outcome in mental disorders. We investigated whether antidepressant pharmacotherapy improved QoL vs. placebo among patients with MDD.MethodsSystematic literature search in CENTRAL, Medline, PubMed Central, and PsycINFO of double‐blind, placebo‐controlled RCTs. Screening, inclusion, extraction, and risk of bias assessment were conducted independently by two reviewers. We calculated summary standardized mean differences (SMD) with 95%‐CIs. We followed Cochrane Collaboration's Handbook of Systematic Reviews and Meta‐Analyses and PRISMA guidelines (protocol registration at OSF).ResultsWe selected 46 RCTs out of 1807 titles and abstracts screened, including 16.171 patients, 9131 on antidepressants and 7040 on placebo, a mean age of 50.9 years, with 64.8% women. Antidepressant drug treatment resulted in a SMD in QoL of 0.22 ([95%‐CI: 0.18; 0.26] I2 39%) vs. placebo. SMDs differed by indication: 0.38 ([0.29; 0.46] I2 0%) in maintenance studies, 0.21 ([0.17; 0.25] I2 11%) in acute treatment studies, and 0.11 ([−0.05; 0.26], I2 51%) in studies focussing on patients with a physical condition and major depression. There was no indication of subtstantial small study effects, but 36 RCTs had a high or uncertain risk of bias, particularly maintenance trials. QoL and antidepressive effect sizes were associated (Spearman's rho 0.73, p < 0.001).ConclusionsAntidepressants' effects on QoL are small in primary MDD, and doubtful in secondary major depression and maintenance trials. The strong correlation of QoL and antidepressive effects indicates that the current practice of measuring QoL may not provide sufficient additional insights into the well‐being of patients.
Subject
Psychiatry and Mental health
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