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Subthalamic Nucleus (STN) Stimulation and Obsessive-Compulsive Disorder (OCD)

This study has been completed.
Assistance Publique - Hôpitaux de Paris
Information provided by:
Groupe Hospitalier Pitie-Salpetriere Identifier:
First received: September 12, 2005
Last updated: July 22, 2008
Last verified: July 2008
Obsessive-compulsive disorder is a disabling and frequent disorder. In some patients, the medical treatment is ineffective. The pathophysiology of this disease is still unknown. Some data suggest that basal ganglia dysfunction could participate in the occurrence of OCD. The aim of this study is to evaluate the efficacy of subthalamic nucleus high-frequency stimulation in patients with severe OCD.

Condition Intervention Phase
Obsessive Compulsive Disorder Procedure: deep brain stimulation Procedure: Off Phase 1 Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Study of the Effects of High Frequency Stimulation of the Subthalamic Stimulation in the Treatment of Severe Obsessive-Compulsive Disorders

Resource links provided by NLM:

Further study details as provided by Groupe Hospitalier Pitie-Salpetriere:

Primary Outcome Measures:
  • YBOCS [ Time Frame: 2 three-month periods ]

Secondary Outcome Measures:
  • MOCI, BABS, CGI, MADRS, HAD, GAF, SAS, neuropsychological tests, SAS-SR, Adverse event [ Time Frame: 10 month follow-up but 2 3-month period for the cross-over ]

Enrollment: 16
Study Start Date: October 2005
Study Completion Date: May 2007
Arms Assigned Interventions
Active Comparator: A
Stimulator on followed by off
Procedure: deep brain stimulation
Stimulator on followed by off
Sham Comparator: B
Stimulator off followed by on
Procedure: Off
Stimulator off followed by on


Ages Eligible for Study:   18 Years to 60 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Severe obsessive-compulsive disorder

Exclusion Criteria:

  • Contraindication to magnetic resonance imaging (MRI)
  • Severe cognitive or behavioral disorders
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00169377

Bordeaux, France
Clermont-Ferrand, France
Grenoble, France
Nantes, France
Nice, France
Centre d'Investigation Clinique-Hôpital Pitié-Salpêtrière
Paris, France
Paris, France
Poitiers, France
Rennes, France
Toulouse, France
Sponsors and Collaborators
Groupe Hospitalier Pitie-Salpetriere
Assistance Publique - Hôpitaux de Paris
Principal Investigator: Luc Mallet, MD, PhD Assistance Publique - Hôpitaux de Paris
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):

Responsible Party: cecile Jourdain, Assistance Publique - Hôpitaux de Paris Delegation Research Clinical Identifier: NCT00169377     History of Changes
Other Study ID Numbers: P030422
Study First Received: September 12, 2005
Last Updated: July 22, 2008

Keywords provided by Groupe Hospitalier Pitie-Salpetriere:
Obsessive compulsive disorder
deep brain stimulation
subthalamic nucleus

Additional relevant MeSH terms:
Compulsive Personality Disorder
Obsessive-Compulsive Disorder
Pathologic Processes
Personality Disorders
Mental Disorders
Anxiety Disorders processed this record on August 23, 2017