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rTMS Effects on Smoking Cessation and Cognition in Schizophrenia

2014-07-24 14:16:40 | BioPortfolio

Summary

Patients with schizophrenia have high rates of cigarette smoking and tobacco dependence, and great difficulties in quitting smoking. The development of novel and more effective treatments for tobacco dependence in this population is thus needed. This study will test the hypothesis that repetitive transcranial magnetic stimulation (rTMS) may facilitate smoking cessation with the transdermal nicotine patch (TNP) in patients with schizophrenia motivated to quit smoking. A total of N=40 smokers with schizophrenia would be assigned to either active rTMS (N=20) or sham rTMS (N=20) as a treatment regimen of 5X/week treatments for four weeks. All subjects would receive TNP (21 mg/24h) and weekly group behavioral therapy for smoking cessation for a total of 10 weeks. We predict that active rTMS will be well-tolerated and superior to sham rTMS for enhancing smoking cessation rates in smokers with schizophrenia.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Conditions

Cigarette Smoking

Intervention

Repetitive Transcranial Magnetic Stimulation (rTMS), Sham Repetitive Transcranial Magnetic Stimulation (rTMS)

Location

Centre for Addiction and Mental Health
Toronto
Ontario
Canada
M5S 2S1

Status

Recruiting

Source

Centre for Addiction and Mental Health

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-24T14:16:40-0400

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Medical and Biotech [MESH] Definitions

The electrical response evoked in a muscle or motor nerve by electrical or magnetic stimulation. Common methods of stimulation are by transcranial electrical and TRANSCRANIAL MAGNETIC STIMULATION. It is often used for monitoring during neurosurgery.

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A region of DNA that is highly polymorphic and is prone to strand breaks, rearrangements or other MUTATIONS because of the nature of its sequence. These regions often harbor palindromic, or repetitive sequences (REPETITIVE SEQUENCES, NUCLEIC ACID). Variability in stability of the DNA sequence is seen at CHROMOSOME FRAGILE SITES.

A technique that involves the use of electrical coils on the head to generate a brief magnetic field which reaches the CEREBRAL CORTEX. It is coupled with ELECTROMYOGRAPHY response detection to assess cortical excitability by the threshold required to induce MOTOR EVOKED POTENTIALS. This method is also used for BRAIN MAPPING, to study NEUROPHYSIOLOGY, and as a substitute for ELECTROCONVULSIVE THERAPY for treating DEPRESSION. Induction of SEIZURES limits its clinical usage.

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