Examining the Effects of Neural Stimulation on Inhibitory Control and Cigarette Smoking

NCT ID: NCT03960138

Last Updated: 2023-03-10

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

63 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-09-26

Study Completion Date

2021-04-25

Brief Summary

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The purpose of this research study is to examine the effects of theta-burst Transcranial Magnetic Stimulation on inhibitory control and smoking among adult cigarette smokers.

Detailed Description

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Conditions

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Tobacco Use Disorder

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Intermittent Theta-burst stimulation (iTBS)

Cross-over design - participants will receive both experimental treatments.

Group Type EXPERIMENTAL

Intermittent Theta-burst stimulation (iTBS)

Intervention Type DEVICE

Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected. Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected.

Continuous Theta-burst stimulation (cTBS)

Intervention Type DEVICE

Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected. Continuous TBS (cTBS) which is thought to temporarily dampen brain activity in that specific area.

Continuous Theta-burst stimulation (cTBS)

Cross-over design - participants will receive both experimental treatments.

Group Type EXPERIMENTAL

Intermittent Theta-burst stimulation (iTBS)

Intervention Type DEVICE

Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected. Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected.

Continuous Theta-burst stimulation (cTBS)

Intervention Type DEVICE

Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected. Continuous TBS (cTBS) which is thought to temporarily dampen brain activity in that specific area.

Interventions

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Intermittent Theta-burst stimulation (iTBS)

Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected. Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected.

Intervention Type DEVICE

Continuous Theta-burst stimulation (cTBS)

Theta-burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), affects brain areas stimulated directly underneath the scalp and brain areas that are functionally connected. Continuous TBS (cTBS) which is thought to temporarily dampen brain activity in that specific area.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Be between the ages of 18 and 65.
2. Be in stable mental and physical health.
3. Be willing to provide informed consent.
4. Be able to comply with protocol requirements and likely to complete all study procedures.
5. Be a current nicotine dependent cigarette smoker (smoke ≥10 cigs/day) with a minimum smoking history of smoking an average of ≥ 10 cigs/day over the past two years.

Exclusion Criteria

* 1\. Contraindication to MRI (e.g., presence of metal in the skull, orbits or intracranial cavity, claustrophobia).

2\. Contraindication to TMS (history of neurological disorder or seizure, increased intracranial pressure, brain surgery, or head trauma with loss of consciousness for \> 15 minutes, implanted electronic device, metal in the head, or pregnancy, as indicated by a positive urine pregnancy test at screening).

3\. Any use of substances that lower seizure threshold (such as thyroid medications or cocaine).

4\. History of autoimmune, endocrine, viral, or vascular disorder affecting the brain.

5\. History or MRI evidence of neurological disorder that would lead to local or diffuse brain lesions or significant physical impairment.

6\. Unstable cardiac disease, uncontrolled hypertension, severe renal or liver insufficiency, or sleep apnea.

7\. BAC greater than 0.0. 8. Any other condition or concern that in the Investigator's opinion would impact participant safety, compliance with study instructions, or potentially confound the interpretation of the study results.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Missouri-Columbia

OTHER

Sponsor Role lead

Responsible Party

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Brett Froeliger

Professor Psychiatry

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University of Missouri - Columbia

Columbia, Missouri, United States

Site Status

Countries

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United States

References

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Froeliger B, McConnell PA, Bell S, Sweitzer M, Kozink RV, Eichberg C, Hallyburton M, Kaiser N, Gray KM, McClernon FJ. Association Between Baseline Corticothalamic-Mediated Inhibitory Control and Smoking Relapse Vulnerability. JAMA Psychiatry. 2017 Apr 1;74(4):379-386. doi: 10.1001/jamapsychiatry.2017.0017.

Reference Type BACKGROUND
PMID: 28249070 (View on PubMed)

Upton S, Brown AA, Ithman M, Newman-Norlund R, Sahlem G, Prisciandaro JJ, McClure EA, Froeliger B. Effects of Hyperdirect Pathway Theta Burst Transcranial Magnetic Stimulation on Inhibitory Control, Craving, and Smoking in Adults With Nicotine Dependence: A Double-Blind, Randomized Crossover Trial. Biol Psychiatry Cogn Neurosci Neuroimaging. 2023 Nov;8(11):1156-1165. doi: 10.1016/j.bpsc.2023.07.014. Epub 2023 Aug 9.

Reference Type DERIVED
PMID: 37567363 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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00074836

Identifier Type: -

Identifier Source: org_study_id

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