NCT04379115 · Case Western Reserve University
Optimization of NIBS for Treatment of Addiction
What this study is about
The purpose of this study is to assess the effects of transcranial Direct Current Stimulation (tDCS) applied in conjunction with Transcranial Ultrasound (TUS) for the treatment of addiction in opiate use disorder with chronic pain. The investigators hypothesize that there will be a decrease in drug use and improved psychosocial assessments with active stimulation, when compared to sham stimulation.
View original scientific description
The purpose of this study is to assess the effects of transcranial Direct Current Stimulation (tDCS) applied in conjunction with Transcranial Ultrasound (TUS) for the treatment of addiction in opiate use disorder with chronic pain. The investigators hypothesize that there will be a decrease in drug use and improved psychosocial assessments with active stimulation, when compared to sham stimulation.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Participants must meet all of the following:
- Provide informed consent
- Age 18-85 years
- Diagnosis of opioid use disorder (DSM-5) with ongoing non-prescription opioid use confirmed by self-report and urine toxicology
- Report current opioid craving
- Enrolled in a certified Opioid Treatment Program and receiving methadone maintenance treatment
- Stable methadone dose prior to enrollment
- Reside locally with no plans to relocate during the study
Exclusion criteria
- Participants will be excluded if they:
- Are pregnant
- Have frequent illicit stimulant use or acute stimulant intoxication
- Are using substances or medications that may interfere with study assessments (e.g., stimulant medications, buprenorphine-based therapies, naltrexone)
- Have significant neurological conditions (e.g., stroke, epilepsy, brain tumor), abnormal EEG findings, history of brain surgery, significant head injury, or unexplained syncope
- Have contraindications to noninvasive brain stimulation (e.g., metal in the head, implanted brain devices)
- Have moderate to severe depression or active suicidal ideation/behavior
- Have active malignancy
- Consume substances that could confound opioid toxicology results (e.g., poppy-seed products)
Where
- Hinsdale, Illinois
- Cambridge, Massachusetts
- Cleveland, Ohio
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Mar 4, 2026 · Source of record for eligibility and locations