Low Intensity Focused Ultrasound for Tobacco Use Disorder: High Resolution Targeting of the Human Insula
LIFU_TUD
1 other identifier
interventional
44
1 country
1
Brief Summary
The goal of this clinical trial is to to inhibit the dorsal anterior insula (dAI) with low intensity focused ultrasound (LIFU) to determine the causal role for the dAI in smoking cue induced craving in individuals with tobacco use disorder (TUD); smoking cue induced craving is a clinically important behavior which has been associated with the severity of nicotine addiction. The main question\[s\] it aims to answer are:
- the safety and tolerability of dAI LIFU compared to sham stimulation in individuals with TUD
- the effects of LIFU vs sham to left dAI functional magnetic resonance imaging (fMRI) BOLD activity and craving in response to smoking cue exposure. Participants will undergo anatomical MRI, neurological assessment, clinical assessment and patient query to assess the safety and tolerability of LIFU vs sham. Participants will undergo functional magnetic resonance imaging where we will measure the effect of LIFU vs sham on 1) dAI blood-oxygen-level-dependent (BOLD) activation in response to smoking (compared to neutral) cue exposure and 2) cue-induced craving in individuals with TUD. Each participant will receive LIFU and sham stimulation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Apr 2022
Longer than P75 for not_applicable
1 active site
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
Study Start
First participant enrolled
April 1, 2022
CompletedFirst Submitted
Initial submission to the registry
November 16, 2023
CompletedFirst Posted
Study publicly available on registry
May 8, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 31, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2026
CompletedNovember 20, 2024
November 1, 2024
4 years
November 16, 2023
November 15, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Incidence of Treatment-Emergent Adverse Events
number of adverse events
immediately prior to 1 session LIFU and within 1 hour post LIFU; immediately prior to 1 session sham and with in 1 hour post shamdays
Secondary Outcomes (1)
Smoking cue-induced craving
immediately prior to 1 session LIFU and within 1 hour post LIFU; immediately prior to 1 session sham and with in 1 hour post sham
Study Arms (2)
LIFU/Sham
OTHERdouble-blind, sham-controlled, crossover study in N=44 individuals with Tobacco Use Disorder
Sham/LIFU
OTHERdouble-blind, sham-controlled, crossover study in N=44 individuals with Tobacco Use Disorder
Interventions
Low-intensity focused ultrasound (LIFU) provides an energy source with millimeter resolution that can be focused anywhere in the brain safely and effectively for non-invasive and transient neuromodulation. LIFU is an important advance and of great significance for brain-mapping efforts, diagnostics, and therapies in neuroscience and particularly promising for addiction therapy as it provides unprecedented non-surgical access to the brain regardless of depth. Much lower intensities of focused ultrasound (LIFU) are used so that tissue damage does not occur, but neural activity can be modulated. LIFU utilizes acoustic energy at much lower levels to affect tissue by mechanical effects.
Eligibility Criteria
You may qualify if:
- Male and female veterans aged 18-75 years
- Meet the Diagnostic and Statistical Manual, Fifth edition (DSM-5) criteria for current TUD (moderate to severe) as diagnosed by the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition.
- Currently smoking \> 10 cigarettes per day with no period of abstinence \> 3 months in the last year
- Current use of tobacco in last year is limited to cigarettes
- Currently in Contemplation Stage of motivation for behavior change with respect to smoking as assessed by the University of Rhode Island Change Assessment Scale
You may not qualify if:
- Not under current treatment for smoking cessation.
- No history of head injury, seizures, neurologic disorders including cerebrovascular disease, multiple sclerosis, or neurodegenerative diseases or major medical illness
- Current substance use disorder for a psychoactive substance (except nicotine)
- DSM-5 psychiatric disorder requiring current treatment
- Ferromagnetic implants or other contraindications for MRI
- Taking any psychotropic medication such as antidepressants, anxiolytics and antipsychotics.
- any medication other than psychotropic medications that is known to cross the blood brain barrier and achieve brain penetrance such that it will alter BOLD signal or lower seizure threshold, such as antibiotics, antihistamines or muscle relaxants.
- currently pregnant or breast feeding
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Veterans Affairs Medical Center
Washington D.C., District of Columbia, 20422, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Mary R Lee, MD
Veterans Affairs Medical Center, Washington DC
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- The Sham condition will be conducted using an interface which does not allow ultrasound energy to pass from the transducer to the target. The administration of LIFU/sham will be conducted in a double-blind fashion.
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- FED
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 16, 2023
First Posted
May 8, 2024
Study Start
April 1, 2022
Primary Completion
March 31, 2026
Study Completion
March 31, 2026
Last Updated
November 20, 2024
Record last verified: 2024-11
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- SAP, ANALYTIC CODE
- Time Frame
- data will be available after analysis of primary and secondary outcomes are completed
behavioral and imaging data