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Biography

Mohammad Ghadirivasfi was graduated in psychiatry from Iran University of Medical Sciences (IUMS), Iran. He was the head of Iran Mental Hospital for 13 years and achieved years of experience in research, teaching and administration in hospital and during this period, his effort was highly effective to establish Iranian DNA Bank for Genetic and Epigenetic Studies in Psychiatric Disorders. He is interested in improving education of medical student and residency in psychiatry. He has academic publications and is one of the authors of the Iranian curriculum of general psychiatry, addiction and risky behavior fellowship and the sleep textbook (in Persian) sponsored by IUMS (Iran University of Medical Sciences). He was the secretary of 5th Basic and clinical Neuroscience Congress in 2016 Tehran, Iran.

Abstract

rTMS, a non-invasive technique for stimulation of neuronal cells, is one of the most promising tools for brain stimulation
and modulation and reversibly affect brain cortical activity and plasticity. Although rTMS has been used to treat a variety of
neuropsychiatric disorders, several lines of evidence suggest that rTMS has a potential efficacy to reduce cue-induced craving
in drug addiction. In this study, we employed real and sham rTMS of the Orbitofrontal cortex (OFC) and the left dorsolateral
prefrontal cortex (DLPFC) to compare and test if it could reduce cue-induced craving for methamphetamine (MA) after
the end of intervention and six month follow up. Thirty eligible MA-addicted patients were recruited to receive 10 sessions
of 20min sham or 10Hz rTMS to the left OFC and DLPFC. Subjects rated their craving at baseline, after exposed to MAassociated
cues and after rTMS sessions. They were followed after six months for the rate of relapse and adherence. Relative
decrease in severity of depression was greater in OFC group, however Kruskal-Walis test showed non-significant differences
among groups (p=0.097). Also, relative changes in psychopathology severity according to the Brief Psychiatric Rating Scale,
and relative changes in craving were not statistically different among groups (p=0.350 and p=0.905, respectively) This study
failed to show any efficacy of dorsolateral or orbitofrontal rTMS in comparison with sham rTMS in reducing psychopathology
or craving of the methamphetamine dependent patients.