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Updated: Jul 26, 2025

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
Published on: January 9, 2015
Clinical Recommendations for Augmentation Agents in Obsessive-Compulsive Disorder Partially Responsive to Serotonin
1From the Beaumont Psychiatry, Beaumont Health, Southfield; Department of Psychiatry; Michigan State University, East Lansing; Wayne State University, Detroit; Oakland University William Beaumont, Dearborn, MI.
For adults with obsessive-compulsive disorder (OCD) partially responding to serotonin reuptake inhibitors (SRIs), lamotrigine, memantine, and aripiprazole show the most promise as augmentation agents. Risperidone is a potential alternative if aripiprazole is not tolerated.
Area of Science:
- Psychiatry and Pharmacology
- Neuroscience
- Clinical Psychology
Background:
- Obsessive-compulsive disorder (OCD) impacts 2-3% of adults globally.
- While serotonin reuptake inhibitors (SRIs) are effective, 40-60% of patients experience only partial symptom improvement.
- This review assesses augmentation agents for SRI non-responders.
Conclusions:
- Lamotrigine, memantine, and aripiprazole are recommended for augmenting SRI therapy in partial OCD responders.
- Risperidone is a viable alternative antipsychotic if aripiprazole is not tolerated.
- Augmentation strategies show diverse efficacy, necessitating individualized treatment approaches.
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