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Minor depressive disorder and subsyndromal depressive symptoms: functional impairment and response to treatment
1Department of Psychiatry, University of California, San Diego, School of Medicine, La Jolla 92037, USA. mrapaport@ucsd.edu
Background:
This study quantifies functional impairment and depressive symptomatology in patients with minor depressive disorder (MinD) and subsyndromal depressive symptomatology (SSD) before and after 8 weeks of treatment with fluvoxamine. Study patients were compared and contrasted with archival data from a sample of the general population measured by the Medical Outcome Survey Short Form 36.
Method:
Fifteen patients with MinD and 15 patients with SSD were identified from primary care clinics, referrals and newspaper advertisements. Patients signed informed consent and were offered open label treatment with fluvoxamine 25-100 mg/day. Patients were seen biweekly and measures of functional impairment and depressive symptomatology were gathered systematically.
Results:
MinD and SSD were associated with dysfunction and disability when compared to archival normative data from the general population. Eight week treatment with fluvoxamine was associated with a substantial decrease in depressive symptomatology and a normalization of psychosocial functioning.
Conclusion:
This is the first study to quantify functional impairment and the severity of depressive symptomatology in a clinical sample of patients with MinD and SSD, and to demonstrate that treatment with a selective serotonin reuptake inhibitor decreases depressive symptomatology and improves psychosocial functioning. Placebo-controlled double-blind confirmation of these preliminary observations seems warranted.