 - Failed an adequate trial of clomipramine and at least two of the following selective serotonin reuptake inhibitors SSRIs: fluoxetine, fluvoxamine, citalopram, sertraline, and paroxetine. Additionally, patients must have failed augmentation treatment with at least one of the above drugs for 1 month with at least two of the following: clonazepam, haloperidol, risperidone, olanzapine, and gabapentin. 