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Repetitive Transcranial Magnetic Stimulation in Obsessive Compulsive Disorder — MAGTOC  

Obsessive-Compulsive Disorder Clinical Trial

Official title:
Stimulation magnétique transcrânienne répétitive Dans le Traitement Des Troubles Obsessionnels Compulsifs

Clinical Trial Summary

Evaluate the therapeutic effect of a functional Magnetic Resonance Imaging (fMRI)-guided and robotized neuronavigated theta burst Transcranial Magnetic Stimulation (TMS) targeting right inferior frontal region in resistant obsessive compulsive disorder (OCD) in a double-blind, randomized, placebo-controlled, monocentric study.

Clinical Trial Description

This study evaluates the therapeutic effect of a fMRI-guided and robotized neuronavigated theta burst Transcranial Magnetic Stimulation (TMS) targeting right inferior frontal region in resistant obsessive compulsive disorder (OCD) in a double-blind, randomized, placebo-controlled, monocentric study. The study will also assess the interest of some clinical, neuropsychological, neuroimaging, electrophysiological variables in response prediction, besides physiopathological information.

There is an increasing interest in developping treatments for resistant OCD, which are not responding to the conventional treatment, represented by pharmacotherapy associated to cognitive behavioral therapy. Repetitive TMS represents a promising non invasive brain stimulation approach, but efficacy, best available brain target, optimal responder profile and stimulation parameters need to be further documented.

In this study, the included patients will be randomly assigned to an active (theta burst TMS) or sham-placebo treatment group. TMS will be added to their stable pharmacotherapy. The brain target, the right inferior frontal region, involved in the inhibition control brain network, will be defined in a personalized manner via a fMRI paradigm for each patient. TMS will be delivered daily for 2 successive weeks. Measures of different clinical, neuropsychological , electrophysiological (cortical excitability) variables will be performed at baseline, as well as at the end of the TMS course, and 1 week after. Other assessments are planned at 3 and 6 months, in order to highlight the evolution of the potential benefit. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02884674
Study type Interventional
Source University Hospital, Grenoble
Contact Mircea POLOSAN, Professor
Email mpolosan@chu-grenoble.fr
Status Recruiting
Phase N/A
Start date May 2015
Completion date May 2021
View Details
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