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Repetitive Transcranial Magnetic Stimulation to People With Cannabis Use Disorder (SToP-C-rTMS x CUD)

Key facts

Who runs it
The University of Hong Kong
Where
Hong Kong1 site in 1 countryChoose a country to see its sites
Trial code
Status
Completed
People taking part
20 people enrolled
Started
1 Sept 2022
Ended
31 Mar 2025
Type of study
Interventional, 3 groupsOne group gets an existing treatment, for comparison.
Treatments tested
  • Repetitive Transcranial Magnetic Stimulation
Record updated
8 July 2025

Who can take part

Age
18 years to 65 years
Sex
Women and men
Healthy volunteers
Cannot take part

The registry criteria, word for word

Show all 9 criteriaShow less

Who can take part

  • Able to read and communicate in English and/or Chinese SToP-C-rTMS x CUD
  • Able to give informed consent
  • Using cannabis or marijuana as the primary psychoactive substance of abuse
  • Diagnosed with Cannabis Use Disorder according to the Diagnostic and Statistical Manual of Mental Disorders 5th Edition (DSM-5) by the Structured Clinical Interview for DSM-5 Disorders (SCID-5)

Who cannot take part

  • Contra-indicated to have rTMS, including subjects with electronic and/or magnetic implants (e.g. pacemaker, implantable cardioverter defibrillator [ICD], cerebral shunts, cochlear implant, etc.), with metallic or mechanic fragments (e.g., screws, plates, stents, clips, etc.), pregnant, with any known or history of neurological conditions including cerebral vascular accidents, epilepsy, brain tumor or space occupying lesion, poorly controlled or unstable diabetes mellitus, and receiving unstable dose(s) of antipsychotics, antidepressants, benzodiazepines and/or anticonvulsants in the past 6 months
  • Had been diagnosed with the following disorders, including neurodevelopmental disorders, DSM-5 defined substance use disorder greater than moderate in severity, and neurocognitive disorders
  • Age <18 years old
  • Unable to read English or Chinese
  • Unable to give informed consent

This trial has no sites in United States.

It has sites in one country. Choose a country to see its sites.

About the trial

What the trial wants to find out

This study is to explore if repetitive transcrinal magnetic stimulation (rTMS) with different stimulation schedules will be equally effective in reducing carving, frequency of cannabis use, and the severity of cannabis use disorder in participants suffering from cannabis use disorder (CUD).

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The investigators assume the hypotheses as:

1. Multiple rTMS sessions can reduce craving for cannabis, severity of CUD, frequency and amount of cannabis use. 2. Different rTMS treatment schedules have differences in reducing the craving for cannabis and severity of CUD, and prolonging relapse of cannabis use.

The 3 groups in the trial

  • Arm 1Existing treatment, for comparison

    Subjects receive 20 rTMS sessions in 2 weeks

    Treatment: Repetitive Transcranial Magnetic Stimulation

  • Arm 2Existing treatment, for comparison

    Subjects receive 20 rTMS sessions in 4 weeks

    Treatment: Repetitive Transcranial Magnetic Stimulation

  • Arm 3Existing treatment, for comparison

    Subjects receive 20 rTMS sessions in 5 weeks

    Treatment: Repetitive Transcranial Magnetic Stimulation

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Substance Misuse To Psychiatric Disorders-Repetitive Transcranial Magnetic Stimulation to People With Cannabis Use Disorder
Publications
Record updated
8 July 2025