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Deep Brain Stimulation of NAc/ALIC to Prevent Treatment-Refractory Obsessive Compulsive Disorder

2015-11-11 18:53:20 | BioPortfolio

Summary

Nucleus accumbens/anterior limb of internal capsule play important roles in the process of treatment-refractory obsessive compulsive disorder, deep brain stimulation of nucleus accumbens/anterior limb of internal capsule will inhibit its activity and thus to effectively prevent the disorder.

Description

Obsessive-compulsive disorder (OCD) is characterized by obsessions (persistent thoughts) and compulsions (repetitive ritualistic behaviour). Core symptoms of OCD cause remarkable distress and often perceived as inappropriate. The prevalence of OCD in the general population is estimated between 1% and 3%. It is a psychiatric illness that can lead to chronic functional impairment. Treatment options for OCD include cognitive behavioural therapy (CBT) and/or pharmacotherapy. Even when the best treatment options are used, approximately 10% of these patients remain severely affected and are considered therapy-refractory resulting in marked suffering and impairment in self-care, work and social life. More recently, deep brain stimulation (DBS) has been investigated as a therapy for refractory OCD, and the procedure was granted a limited humanitarian device exemption by the FDA in 2009. For these patients, deep brain stimulation (DBS), a neurosurgical treatment that involves stereotactic implantation of electrodes in specific deep-seated brain regions, has emerged as a new treatment option.

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment

Conditions

Obsessive Compulsive Disorder

Intervention

Deep brain stimulation, Fluoxetine

Status

Not yet recruiting

Source

Tang-Du Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2015-11-11T18:53:20-0500

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Medical and Biotech [MESH] Definitions

An anxiety disorder characterized by recurrent, persistent obsessions or compulsions. Obsessions are the intrusive ideas, thoughts, or images that are experienced as senseless or repugnant. Compulsions are repetitive and seemingly purposeful behavior which the individual generally recognizes as senseless and from which the individual does not derive pleasure although it may provide a release from tension.

Therapy for MOVEMENT DISORDERS, especially PARKINSON DISEASE, that applies electricity via stereotactic implantation of ELECTRODES in specific areas of the BRAIN such as the THALAMUS. The electrodes are attached to a neurostimulator placed subcutaneously.

Stimulation of the brain, which is self-administered. The stimulation may result in negative or positive reinforcement.

Disorder characterized by an emotionally constricted manner that is unduly conventional, serious, formal, and stingy, by preoccupation with trivial details, rules, order, organization, schedules, and lists, by stubborn insistence on having things one's own way without regard for the effects on others, by poor interpersonal relationships, and by indecisiveness due to fear of making mistakes.

Compounds that specifically inhibit the reuptake of serotonin in the brain. This increases the serotonin concentration in the synaptic cleft which then activates serotonin receptors to a greater extent. These agents have been used in treatment of depression, panic disorder, obsessive-compulsive behavior, and alcoholism, as analgesics, and to treat obesity and bulimia. Many of the ADRENERGIC UPTAKE INHIBITORS also inhibit serotonin uptake; they are not included here.

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