“…Response rates seem to be similar in pediatric patients, although few experience complete symptom relief after treatment with CBT and SSRIs (27,36). As yet, no standardized predictors for determining whether a patient with childhood-onset OCD will respond to treatment with an SSRI have been established, but studies have shown a poorer response among children with comorbid ADHD, oppositional defiant disorder, conduct disorder, and tic disorders (50), as well as those with more severe symptoms of OCD, higher parental stress, and greater functional impairment (51,52). For adult patients who do not, or only partially, respond to SSRIs, a combination of an SSRI and a drug that antagonizes dopamine function (e.g., pimozide, haloperidol, and risperidone) has been shown to be beneficial (49).…”