TMS + Exposure Therapy for Pediatric OCD

This study tests whether combining transcranial magnetic stimulation (TMS — a non-invasive brain stimulation technique) with exposure-based therapy (a type of cognitive-behavioral therapy) is more effective than exposure therapy alone for treating OCD in young people. **You may be eligible if...** - You are between 12 and 21 years old - You have OCD with moderate or greater symptoms confirmed by a clinical scale - Your OCD includes physical (motor) compulsions - You are fluent in English **You may NOT be eligible if...** - You have a personal or immediate family history of epilepsy, bipolar disorder, intracranial abnormalities, brain tumors, stroke, or metal implants in the head - You have a pacemaker or significant heart disease - You are pregnant or not using effective contraception (if applicable) - You cannot have an MRI - You are left-handed - You are at imminent risk of suicide - You are currently receiving another form of psychotherapy for OCD - You have received TMS treatment in the past 3 months - You are taking medications that significantly increase seizure risk Talk to your doctor to see if this trial is right for you.