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Patterns of remission and relapse in obsessive-compulsive disorder: a 2-year prospective study
J L Eisen1, W K Goodman, M B Keller
1Department of Psychiatry and Human Behavior, Brown University, Providence, RI, USA.
Objective:
This study examined the course of illness in patients with obsessive-compulsive disorder (OCD) over a 2-year period.
Method:
Sixty-six patients with a primary diagnosis of DSM-III-R OCD were followed prospectively for 2 years. Baseline information was collected on demographic characteristics, Axis I and II diagnoses, and severity of OCD symptoms. Follow-up measures obtained at 3, 6, 12, and 24 months after baseline assessment included information on symptomatic and diagnostic status as well as behavioral and somatic treatments received.
Results:
The probability of full remission from OCD over the 2-year period was 12%. The probability of partial remission was 47%. After achieving remission from OCD, the probability of relapse was 48%. No factors were identified that significantly predicted full or partial remission. Seventy-seven percent (N = 51) of the subjects received a serotonin reuptake inhibitor (SRI) for > or =12 weeks, and 68% (N = 45) received medium-to-high doses of SRIs for > or =12 weeks. Only 18% received a full trial of behavior therapy.
Conclusion:
Despite exposure to at least 1 adequate trial of an SRI, the likelihood of full remission of OCD in this study was low. Results of this study also suggest that behavior therapy may be under-utilized.