Deep Brain Stimulation Surgery for the Treatment of Refractory Obsessive-Compulsive Disorder

This study will include two parts. The first part will include two patients in a non-blinded, non-randomized, open trial. They will undergo Deep Bran Stimulation (DBS) for OCD (targeting the amSTN), as clinically accepted and approved in Israel (by the MOH) and in other countries in Europe and the US. The second part will include eight patients. This part will be an interventional, randomized, double-blinded clinical trial (patient and psychiatrist; the neurosurgeon will activate stimulation during the randomization period and will not be blinded). All subjects will undergo standard pre-operative psychiatric and neurosurgical assessment. Around 4-6 weeks later subjects will undergo implantation of Medtronic implantable DBS system (bilateral brain leads model 3389, lead extenders and PERCEPT pulse generator). Intraoperative recordings will include single unit and local field potentials (LFP) for target identification and validation, as accepted for clinical use. In the second part of the study, blinded randomization for treatment or sham-control arms (1:1 ratio) will be held two weeks post-operation. Treatment and sham-control arms will continue for four months. At the end of four months treatment, the groups will be crossed-over for another four months. Thus, the sham-control group will start treatment (using pre-defined stimulation parameters) and the treatment group will start sham stimulation. Four months later (six and a half months from surgery), randomization will be ov…

This description comes directly from the study's public registry record.

Idit TamirIdit  ·  +972 3 9376406  ·  iditta1@clalit.org.il

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