Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
80 participants
INTERVENTIONAL
2025-05-12
2026-05-31
Brief Summary
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The critical questions this study seeks to answer are: which rTMS type applied to l-dlPFC in OUD participants will induce the greatest reduction of opioid use post-treatment? Is inhibitory rTMS applied to medial prefrontal cortex (mPFC) more effective than excitatory rTMS applied to l-dlPFC at reducing alcohol use post treatment in AUD participants?
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Detailed Description
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Aim 2: To assess superiority of mPFC cTBS compared to l-dlPFC iTBS to reduce alcohol use in AUD patients post-treatment. Superiority will be assessed by evaluating 1) treatment engagement at the 4-week interval (e.g., number of prescribed AUD treatments addended); 2) reduction of drinks/day post-treatment, compared to pre-treatment; 3) reduction of heavy drinking days (e.g., \>5 drinks/day) post-treatment, compared to pre-treatment.
Aim 3: To assess superiority of l-dlPFC iTBS to l-dlPFC cTBS to reduce opioid use in OUD patients post-treatment. Superiority will be assessed by evaluating 1) treatment engagement at the 4-week interval (e.g., number of prescribed OUD treatments addended); 2) reduction of opioids used post-treatment, compared to pre-treatment.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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AUD
Individuals receiving treatment from HHC for AUD. Participants will be asked to complete a battery of tasks at the prior to the first rTMS session and after the last rTMS session. Each rTMS eligible participant will be scheduled for 5 rTMS visits (to be completed within 2 weeks from start to finish). Each rTMS session will start with finding motor hotspot, the rTMS dose, then application of rTMS. Within AUD participants, random assignment of rTMS site (cTBS at mPFC vs iTBS at l-dlPFC) will occur in sets of 6 thus increasing rTMS site distribution even if a small sample is collected.
repetitive transcranial magnetic stimulation (rTMS) for AUD
Transcranial magnetic stimulation (TMS) is a noninvasive form of brain stimulation in which a changing magnetic field is used to cause electric current at a specific area of the brain through electromagnetic induction. To administer TMS, a stimulator equipped with a figure-8 coil will be used. Two separate coils will be used that are similar in appearance and acoustic properties. One active, unblinded, coil will be used to determine resting motor threshold (RMT) and deliver pulses for the recruitment curves; the other coil will be used to deliver rTMS. rTMS stimulation will be targeted using standard EEG electrode locations: FP1 for mPFC and F3 for l-dlPFC.
OUD
Individuals receiving treatment from HHC for OUD. Participants will be asked to complete a battery of tasks at the prior to the first rTMS session and after the last rTMS session. Each rTMS eligible participant will be scheduled for 5 rTMS visits (to be completed within 2 weeks from start to finish). Each rTMS session will start with finding motor hotspot, the rTMS dose, then application of rTMS. Within OUD participants, random assignment of rTMS type (cTBS vs iTBS ) applied to l-dlPFC will occur in sets of 6 thus increasing rTMS site distribution even if a small sample is collected.
repetitive transcranial magnetic stimulation (rTMS) for OUD
Description: Transcranial magnetic stimulation (TMS) is a noninvasive form of brain stimulation in which a changing magnetic field is used to cause electric current at a specific area of the brain through electromagnetic induction. To administer TMS, a stimulator equipped with a figure-8 coil will be used. Two separate coils will be used that are similar in appearance and acoustic properties. One active, unblinded, coil will be used to determine resting motor threshold (RMT) and deliver pulses for the recruitment curves; the other coil will be used to deliver rTMS. rTMS stimulation will be targeted using standard EEG electrode location F3 for l-dlPFC.
Interventions
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repetitive transcranial magnetic stimulation (rTMS) for AUD
Transcranial magnetic stimulation (TMS) is a noninvasive form of brain stimulation in which a changing magnetic field is used to cause electric current at a specific area of the brain through electromagnetic induction. To administer TMS, a stimulator equipped with a figure-8 coil will be used. Two separate coils will be used that are similar in appearance and acoustic properties. One active, unblinded, coil will be used to determine resting motor threshold (RMT) and deliver pulses for the recruitment curves; the other coil will be used to deliver rTMS. rTMS stimulation will be targeted using standard EEG electrode locations: FP1 for mPFC and F3 for l-dlPFC.
repetitive transcranial magnetic stimulation (rTMS) for OUD
Description: Transcranial magnetic stimulation (TMS) is a noninvasive form of brain stimulation in which a changing magnetic field is used to cause electric current at a specific area of the brain through electromagnetic induction. To administer TMS, a stimulator equipped with a figure-8 coil will be used. Two separate coils will be used that are similar in appearance and acoustic properties. One active, unblinded, coil will be used to determine resting motor threshold (RMT) and deliver pulses for the recruitment curves; the other coil will be used to deliver rTMS. rTMS stimulation will be targeted using standard EEG electrode location F3 for l-dlPFC.
Eligibility Criteria
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Inclusion Criteria
* Absence of cognitive impairment: IQ equivalent of ≥ 70 on the WRAT.
* Receiving treatment for either AUD or OUD
Exclusion Criteria
* Current meeting withdrawal criteria for alcohol: AUD participants will not meet for clinically significant alcohol withdrawal: Clinical Institute Withdrawal Assessment for Alcohol (CIWA-Ar) ≤ 5.
* First-degree family history of epilepsy or multiple sclerosis.
* Cardiac pacemakers, neural stimulators, implantable defibrillator, implanted medication pumps or sensors, 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 rTMS administration.
* Current use of anti- or pro-convulsive action.
* Use of benzodiazepines in the last 48 hours prior to rTMS. Benzodiazepines are used during alcohol withdrawal management but then are discontinued prior to recruitment into the study. Therefore, rTMS eligible participants will not continue taking benzodiazepines.
* Lifetime history of schizophrenia, bipolar disorder, mania.
* History of myocardial infarction, angina, congestive heart failure, cardiomyopathy, stroke, or transient ischemic attack.
* Pregnant or lactating women.
* TMS contraindications.
* Treatment center discharge date does not allow for scheduling of all 5 rTMS days
18 Years
60 Years
ALL
No
Sponsors
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Yale University
OTHER
Responsible Party
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Principal Investigators
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Vaughn R Steele, PhD
Role: PRINCIPAL_INVESTIGATOR
Yale University
Locations
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Hartford Healthcare
Hartford, Connecticut, United States
Countries
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Central Contacts
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Other Identifiers
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HHC-2025-0073
Identifier Type: OTHER
Identifier Source: secondary_id
Steele 042225
Identifier Type: -
Identifier Source: org_study_id
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