About this trial
This pilot study will investigate the potential of repetitive transcranial magnetic stimulation (rTMS) to strengthen a neural circuit critical for maintaining abstinence in adolescents and youth with cannabis use disorder (CUD).
Eligibility criteria
Qualifiers
15-21 years old
For minors, parent/legal guardian able to provide consent and child able to provide assent; for adults, ability to self-consent per MacArthur Competence Assessment Tool for Clinical Research
Ability to comply with study procedures
Treatment-seeking youth diagnosed with CUD as per the Mini-International Neuropsychiatric Interview (MINI-KID (Sheehan et al., 2010) for 15-17 years old and MINI (Sheehan et al., 1998) for 18-21 years old)
Disqualifiers
Medical conditions contraindicated or associated with altered TMS risk profile, including history of intracranial pathology, intracranial lesions, epilepsy or seizure disorders, or individuals with a family history of epilepsy or seizure in a first degree relative, traumatic brain injury, brain tumor, stroke, neurocardiogenic syncope, mania/bipolar disorder, implanted medical devices or metallic objects in the head, current pregnancy or not using effective contraception if capable of becoming pregnant, or any other serious medical condition or contraindication as judged by the study physician; moderate to severe heart disease, pediatric populations with risk factors for neurocardiogenic syncope (history of syncope/presyncope related to noxious stimuli, anxiety, micturation, or posture)
Inability to undergo MRI.
Diagnosis of psychosis, cognitive disability or active suicidality. The MINI (Sheehan et al., 1998, 2010) will be used to assess current psychiatric comorbidities and the Ask Suicide-Screening Questions (ASQ) will be used to assess suicidality (Horowitz et al., 2012).
Primary current alcohol or substance use disorder, except for caffeine or nicotine.
Trial design
Treatments tested in this trial
- Magstim SuperRapid2
- Sham rTMS