Antidepressant and Group Psychosocial Treatment for Depression: A Rater Blind Exploratory RCT from a Low Income Country

Abstract

Research in the West shows that group psychological intervention together with an antidepressant treatment leads to more effective treatment of a depressive disorder. There are no treatment trials from low income countries comparing the efficacy of antidepressant treatment with a group psychological intervention. To conduct a feasibility trial to compare the efficacy of an antidepressant to a group psychosocial intervention, for low income women attending primary health care in Karachi, Pakistan. This was a preliminary RCT in an urban primary health care clinic in Karachi, Pakistan. Consecutive eligible women scoring >12 on the CIS-R and >18 on Hamilton Depression Rating Scale (HDRS) (n = 66) were randomly assigned to antidepressants or a psychosocial treatment in group settings. The primary outcome measure was HDRS score; secondary outcome measures were disability and quality of life. More than half of the patients in both groups improved (50% reduction in HDRS scores); at end of therapy at 3 months 19 (59.4%) vs 18 (56.2%), and at 6-month follow-up 21(67.7%) vs 20(62.5%) for antidepressants and psychosocial intervention respectively. Although HDRS, BDQ and EQ5-D scores all improved considerably in both groups from start to end of treatment, and these improvements were largely maintained after a further 3 months, the differences between the two treatments were not statistically significant. Psychosocial intervention was as effective as antidepressants in reducing depression and in improving quality of life and disability at the end of therapy. However, these findings need further exploration through a larger trial.