Effects of Repetitive Transcranial Magnetic Stimulations in Patients With Amphetamine Use Disorders

Inclusion Criteria: * Age ≥20 years. * Meeting DSM-5 criteria for substance use disorder made by a specialist in addiction psychiatry. * Fluency in Chinese. * Willingness and ability to comply with study requirements. * Good physical health determined by complete physical examination, and laboratory tests. * Patient or a reliable caregiver can be expected to ensure acceptable compliance and visit attendance for the duration of the study. * Trained psychiatrists will assess eligible patients using the structured clinical interview for the Mini-International Neuropsychiatric Interview (MINI) (Sheehan et al., 1998) to determine the presence of any psychotic disorder. Exclusion Criteria: * Evidence of an uncontrolled and/or clinically significant medical condition, e.g., cardiac, hepatic and renal failure that would compromise patient safety or preclude study participation. * Premorbid mental retardation. * Other major Axis-I Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) diagnoses other than substance use disorder. * Pregnancy or nursing. * History of seizures or epilepsy. * History of neurological diseases or traumatic brain injury. * Suicidal attempts or risks during screening or study period. * Presence of prosthesis devices, e.g. pace-makers, cochlear prosthesis, neuro- stimulators, magnetic cochlear prosthesis, intraocular metallic fragments.