Safety and Effectiveness of Gamma Capsulotomy in Intractable OCD
Completed · Not applicable
Conditions studied: Obsessive Compulsive Disorder
In brief
A research study of the effectiveness and safety of gamma knife ventral capsulotomy in patients with severe intractable obsessive-compulsive disorder (OCD).
Key facts
- Study ID
- NCT01849809
- Run by
- Butler Hospital
- People needed
- 57
- Starts
- 1993-02-01
- Expected to finish
- 2016-08-01
- Last updated by the study team
- 2017-08-10
Who can join
Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- OCD, diagnosed by Structured Clinical Interview for DSM-IV (SCID-IV), judged of disabling severity with a Yale-Brown Obsessive Compulsive Scale (YBOCS) score of at least 30 and a Social and Occupational Functioning Assessment Scale (SOFAS) score of 45 or less.
- Persistence of severe symptoms and impairment for five or more years despite: 1. at least three adequate (≥3 months at the maximum tolerated dose) serotonin transporter inhibitor trials (fluoxetine, sertraline, fluvoxamine, paroxetine, citalopram, escitalopram, or clomipramine) alone or in combination with, 2. adequate behavior therapy (≥20 sessions of expert exposure and response prevention), and 3. augmentation of one of the selective SRIs with clomipramine, a neuroleptic, and clonazepam.
- Age between 18 and 65 years.
- Able to understand and comply with instructions.
- Able to give fully informed, written consent in the judgment of the Consent Monitor.
- Either drug free or on a stable drug regimen for at least 6 weeks.
- Good general health.
- A family member or significant other is available and willing to communicate with the research team if the patient's clinical status worsens.
- The local referring psychiatrist is willing to provide ongoing care.
You may not qualify if…
- Current or past psychotic disorder.
- Full-scale IQ below 85.
- A clinical history of bipolar mood disorder.
- Any current clinically significant neurological disorder or medical illness affecting brain function, other than tic disorders or Tourette syndrome.
- Any clinically significant abnormality on preoperative magnetic resonance imaging (MRI).
- Inability to undergo presurgical MRI (cardiac pacemaker, pregnancy, metal in body, severe claustrophobia.
- Current or unstably remitted substance abuse, dependence, or a positive urine toxicology screen.
- Pregnancy and women of childbearing age not using effective contraception.
- Unable to adhere to operational and administrative study requirements (in the investigators' judgment).
- Clinical history of severe personality disorder.
- Imminent risk of suicide (in the investigators' judgment).
Where it is running
- Butler Hospital — Providence, Rhode Island, United States
Full record on ClinicalTrials.gov
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