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Clinical Trial Summary

The purpose of this study is to investigate the use of repetitive transcranial magnetic stimulation (rTMS) to block craving for cigarettes in smokers. rTMS is an investigational procedure, where a device called a "stimulator" provides electricity to a device that creates a magnetic field. This device is placed against the scalp in the front of the head so that the magnetic field is focused on an area of the brain that is thought to be involved in craving for cigarettes. rTMS is an investigational procedure so therefore being tested in research studies and is not approved by the U.S. Food and Drug Administration (FDA). Changes in magnetic fields during rTMS administration change electrical currents which may affect brain activity and function.


Clinical Trial Description

The goal of this study is to evaluate the effects of rTMS on cue-induced craving in dependent smokers. We hypothesize that low frequency rTMS over the SFG will block cue-induced craving. In order to test this hypothesis, subjects will undergo three conditions:

1. active condition: low frequency rTMS was administered over the superior frontal gyrus (SFG) during the presentation of smoking and control cues

2. location control condition: low frequency rTMS was administered over motor cortex (MC) during the presentation of smoking and control cues

3. frequency control condition: high frequency rTMS was administered over the SFG during the presentation of smoking and control cues ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00901459
Study type Interventional
Source Duke University
Contact
Status Completed
Phase Phase 2
Start date May 2009
Completion date August 2010

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