Effects of Transcranial Direct Current Stimulation (tDCS) over Craving in abstinence methamphetamine user
- Conditions
- Methamphetamine dependency.Dependence syndrom, Mental and behavioural disorders due to use of other stimulants, including methamphethamine
- Registration Number
- IRCT2012102311234N1
- Lead Sponsor
- Vice Chancellor for Research,Tehran University of Medical Sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- Male
- Target Recruitment
- 32
Inclusion Criteria;
Having a history of at least 12 months methamphetamine dependence, based on DSM-IV-TR criteria; before entering the treatment program and also being abstinence from any drugs except cigarettes, at least for the last week; We tested subjects’ cue-reactivity in the recruitment process based on their subjective reports of craving feeling after exposure to 2 drug-related cues, which were not included in the main craving task; Subjects were excluded if at least their mean craving self-report was below 20 out of 100.
Individuals with any current or past clinical significant neurologic disorder; usage of central nervous system-effective medication; history of epilepsy; brain surgery;tumor; intracranial metal implantation; clinically significant head trauma; or any clinical significant psychiatric disorder (in axis I, except substance-related disorders).
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Methamphetamine Craving. Timepoint: before intervention, online with intervention and After intervention. Method of measurement: Computerized Cue-induced Craving Assessment Task(CCIC), Desires for Drug Questionnaire (DDQ).
- Secondary Outcome Measures
Name Time Method Mood Status. Timepoint: It is assessed before and after brain stimulation and induced craving, in both sessions. Method of measurement: Positive and Negative Affect Scale(PANAS).