Theta-Burst Stimulation as a Treatment for Reducing Cocaine Use (NCT02927236) | Clinical Trial Compass
TerminatedNot Applicable
Theta-Burst Stimulation as a Treatment for Reducing Cocaine Use
Stopped: inadequate resources to complete study
United States45 participantsStarted 2017-02-13
Plain-language summary
Objective: The goal of this clinical trial is to assess the tolerability of an accelerated intermittent theta burst stimulation (iTBS), a form of transcranial magnetic stimulation, intervention in participants with cocaine use disorder and then to determine if the intervention changes brain circuits related to cocaine use disorder and whether these changes relate to clinical outcomes.
The main questions it aims to answer are:
* Can individuals with cocaine use disorder tolerate accelerated iTBS (3 treatments per day for 10 days) (Pilot study)?
* Does iTBS (compared to sham iTBS) alter brain circuits related to cocaine use disorder (Expanded feasibility study)?
Researchers will compare individuals with cocaine use disorder to those without cocaine use disorder to identify differences at baseline, compare effects of the first day of iTBS treatment, and see if changes after treatment align brain circuits in those with cocaine use disorder more closely to patterns seen in those without cocaine use disorder.
Participants will:
* Undergo 10 days of iTBS treatment and two follow-up visits (1 week and 4 weeks after treatment) and complete questionnaires throughout to assess tolerability and drug use (Pilot study).
* Participants with cocaine use disorder will complete a characterization phase with questionnaires, two fMRI scans and a trial session of iTBS (sham or active) before the treatment phase (Expanded feasibility study).
Who can participate
Age range
22 Years – 60 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
. Be able to give valid informed consent.
. Be 18 - 60 years of age.
. Right-handed.
. Be in good health.
. Absence of a specific learning disability, attention deficit hyperactivity disorder (ADHD) or cognitive impairment
. Participants will meet DSM-5 criteria for current moderate to severe substance (i.e., cocaine) use disorder, without a period of continuous abstinence lasting a one-month period over the last year, other than in a controlled environment.
Exclusion criteria
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Number of Cocaine Dependent Participants Who Tolerated Intermittent Theta-Burst Stimulation Sessions
Timeframe: Up to 10 days of treatment
2
Change in Brain Global Efficiency After Day One of Intermittent Theta-Burst Stimulation Treatment (Acute Effect)
Timeframe: pre/post treatment day 1.
3
Change in Brain Global Efficiency After Intermittent Theta-Burst Stimulation Treatment (iTBS) Course (Chronic Effect)
Timeframe: Baseline (pre-treatment) minus two weeks post treatment
4
Brain Global Efficiency Before Intermittent Theta-Burst Stimulation Treatment (iTBS)
. History of any neurological disorder that would increase seizure risk from iTBS such as stroke, brain lesions, previous neurosurgery, any history of seizure or fainting episode of unknown cause, or head trauma resulting in loss of consciousness, lasting over 30 minutes or with sequela lasting longer than one month.
. Current DSM-5 moderate-severe substance use disorder on a substance other than cocaine, nicotine, marijuana, or opiates (provided they are currently stable on Suboxone) or meeting withdrawal criteria for alcohol or a sedative/hypnotic/anxiolytic, or tolerance criteria in an individual using 3 or more days/week, regardless of diagnosis. Individuals will be considered stable on Suboxone if they have been on a stable dose for at least 2-weeks prior to consenting to 17-DA-N002 and have provided at least 3 urine specimens negative for illicit opioids over the same 2-week period (10 business days) with at least one test collected within two business days of the start of the period, one collected within three business days of the end of the period and one collected at least two days from either of the other two specimens. Urine results may be gathered at National Institute on Drug Abuse (NIDA) as part of screening or be provided by the Suboxone prescriber. Communication between the Suboxone provider and the MAI (or covering Staff Clinician) will be ongoing to establish continued illicit opioid abstinence between participant clearance and consent to 17-DA-N002. Individuals must be receiving their Suboxone as take-home doses from an external (i.e., non-NIDA-IRP) provider.
. First-degree family history of any neurological disorder with a potentially hereditary basis, including migraines, epilepsy, or multiple sclerosis.
. Cardiac pacemakers, neural stimulators, implantable defibrillator, implanted medication pumps, intracardiac lines, or acute, unstable cardiac disease, with intracranial implants (e.g. aneurysm clips, shunts, stimulators, cochlear implants, or electrodes) or any other metal object in the body that precludes iTBS administration.
. Noise-induced hearing loss or tinnitus.
. Current use (any use in the past 4 weeks, daily use for more than a week within past 6 months) of any investigational drug or of any medications with psychotropic (e.g., benzodiazepines), anti or pro-convulsive action, or anti-coagulants. This will be determined at the discretion of the MAI.
. Lifetime history of schizophrenia, bipolar disorder, mania, or hypomania.
. History of myocardial infarction, angina, congestive heart failure, cardiomyopathy, stroke or transient ischemic attack, mitral valve prolapse, or any heart condition currently under medical care.