NCT07852923

Brief Summary

The investigators aim to examine the effect of transcranial focused ultrasound (tFUS) on brain activity and cocaine craving in adults with cocaine use disorder.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
57

participants targeted

Target at P25-P50 for not_applicable

Timeline
24mo left

Started Dec 2026

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 25, 2026

Completed
6 days until next milestone

First Posted

Study publicly available on registry

October 1, 2026

Completed
3 months until next milestone

Study Start

First participant enrolled

December 15, 2026

Expected
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 15, 2028

Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 15, 2028

Last Updated

October 1, 2026

Status Verified

September 1, 2026

Enrollment Period

2 years

First QC Date

September 25, 2026

Last Update Submit

September 25, 2026

Conditions

Keywords

transcranial focused ultrasoundMagnetic Resonance ImagingReward

Outcome Measures

Primary Outcomes (4)

  • Ventral striatum (VS) activity to cocaine cues before receiving tFUS to the VS

    Measure of Ventral striatum (VS) activity to cocaine cues before receiving tFUS to the VS

    Two visits over up to 8 weeks

  • Ventral striatum (VS) activity to cocaine cues after receiving tFUS to the VS

    Measure of Ventral striatum (VS) activity to cocaine cues after receiving tFUS to the VS

    Two visits over up to 8 weeks

  • Cocaine craving before receiving tFUS to the Ventral Striatum (VS)

    The Cocaine Craving Questionnaire-Now (CCQ-Now) is a 45-item self-report measure of current cocaine craving. Each item is rated on a 7-point Likert scale. A total score is calculated by summing all items (after reverse-scoring applicable items per the scoring manual), with possible scores ranging from 45 to 315. Higher total scores indicate greater current craving for cocaine, while lower scores indicate less craving. The questionnaire assesses multiple dimensions of craving, including desire to use cocaine, anticipation of positive effects, anticipation of relief from withdrawal or negative mood, intention or planning to use cocaine, and perceived control over cocaine use. Only the total CCQ-Now score will be analyzed and reported for this outcome.

    Two visits over up to 8 weeks

  • Cocaine craving after receiving tFUS to the Ventral Striatum (VS)

    The Cocaine Craving Questionnaire-Now (CCQ-Now) is a 45-item self-report measure of current cocaine craving. Each item is rated on a 7-point Likert scale. A total score is calculated by summing all items (after reverse-scoring applicable items per the scoring manual), with possible scores ranging from 45 to 315. Higher total scores indicate greater current craving for cocaine, while lower scores indicate less craving. The questionnaire assesses multiple dimensions of craving, including desire to use cocaine, anticipation of positive effects, anticipation of relief from withdrawal or negative mood, intention or planning to use cocaine, and perceived control over cocaine use. Only the total CCQ-Now score will be analyzed and reported for this outcome.

    Two visits over up to 8 weeks

Study Arms (2)

VS tFUS/Sham tFUS

EXPERIMENTAL

VS tFUS (tFUS applied to the ventral striatum); Sham tFUS (go through the motions of applying tFUS to the VS)

Device: tFUSDevice: Sham tFUS

Sham tFUS/VS tFUS

EXPERIMENTAL

Sham tFUS (go through the motions of applying tFUS to the VS); VS tFUS (tFUS applied to the ventral striatum)

Device: tFUSDevice: Sham tFUS

Interventions

tFUSDEVICE

tFUS is a brief stimulation of a part of the brain called the ventral striatum with low-intensity sound waves that pass through the scalp and skull safely.

Sham tFUS/VS tFUSVS tFUS/Sham tFUS
Sham tFUSDEVICE

Sham tFUS goes through the motions of applying tFUS to the brain. Participants will know that one session will be a sham, but they will be blinded to which session is the sham

Sham tFUS/VS tFUSVS tFUS/Sham tFUS

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Between 18-45 years of age
  • Uses cocaine as a primary drug at a minimum frequency of 1x/mo; any period of abstinence within the past month does not exceed 1 week

You may not qualify if:

  • Not between 18-45 years of age
  • Cocaine is not used as a primary drug, is used at a frequency of less than 1x/mo, and/or a period of abstinence lasting longer than 1 week has occurred within past month
  • Present/lifetime history of primary psychosis or Bipolar Disorder (DSM-5 criteria, SCID-5, SCID-5-PD, YMRS\>10), present suicidal ideation, or current depressive episode
  • History of head injury, neurological (e.g., epilepsy), pervasive developmental disorder (e.g., autism), systemic medical disease and treatment (medical records, participant report)
  • Family history of epilepsy
  • Use of substances with seizure risk (e.g., stimulants), benzodiazepines, and dopaminergic psychotropic medications in the past month
  • Mini-Mental State Examination (MMSE) score (cognitive state) \<24
  • Premorbid NAART IQ estimate \<85
  • Visual disturbance: \<20/40 Snellen visual acuity
  • Left/mixed handedness (Annett criteria)
  • Binge drinking (as defined by NIAA criteria: consuming 5 or more drinks (male), or 4 or more drinks (female), in about 2 hours.) in the week before, and/or \>3 drinks/day for the 3 days before, and/or alcohol in the last 12 hrs before, any alcohol on tFUS scan day, confirmed at screening and scan days (to avoid tFUS during alcohol withdrawal). Alcohol/nicotine/caffeine/cannabis use (below SCID-5 SUD and binge levels) will be allowed
  • Unable to understand English
  • Any implanted neural device since it is not known whether tFUS would interfere with other implanted neural devices
  • Color blind

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Pittsburgh

Pittsburgh, Pennsylvania, 15213, United States

Location

Study Officials

  • Mary L Phillips

    University of Pittsburgh

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

September 25, 2026

First Posted

October 1, 2026

Study Start (Estimated)

December 15, 2026

Primary Completion (Estimated)

December 15, 2028

Study Completion (Estimated)

December 15, 2028

Last Updated

October 1, 2026

Record last verified: 2026-09

Data Sharing

IPD Sharing
Will share

Data from this study will be available for access by the research community via National Institute of Mental Health Data Archive (NDA).

Time Frame
After each submission cycle, NDA conducts quality assurance (QA) procedures on submitted data during which access to data and images for research is temporarily suspended, typically a period lasting 4 months prior to sharing. As required by NDA, studies will also be created that contain the data used for every publication. Those studies will be shared when the pre-print is available. NDA studies have digital object identifiers (DOI) to aid findability. We will include DOI in relevant publications. NDA will decide how long to preserve the data, but has not deleted any deposited data to date.
Access Criteria
To request access of the data, researchers will use the standard processes at NDA, and the NDA Data Access Committee will decide which requests to grant. The standard NDA data access process allows access for one year and is renewable.

Locations