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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. In a double-blind, sham controlled trial, investigators will examine the effects of 12 sessions of cTBS on executive function and smoking behavior.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Continuous Theta-burst stimulation (cTBS) | Experimental | 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. |
|
| Sham Theta-burst stimulation | Sham Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Continuous Theta-burst stimulation (cTBS) | 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. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in the number (#) of cigarettes per day. | The effects of 12 sessions of continuous theta burst stimulation (cTBS) to the right inferior frontal gyrus (r.IFG) on cigarettes per day (CPD). This is measured by a core daily cigarette diary and will be measured following treatment and after making a quit attempt at: days 14, 21 and 28. | 2 months |
| Cigarette craving scores (#) as measured by the questionnaire of smoking urges brief (QSUb). | The effects of 12 sessions of continuous theta burst stimulation (cTBS) to the right inferior frontal gyrus (r.IFG) on cigarette craving. This will be measured at the end of every visit to the laboratory. The Questionnaire of Smoking Urges brief (QSUb) rages from 0 to 70. Lower scores equal less craving, meaning the lower the score, the better the outcome. | 2 months |
| Percent (%) correct on an inhibitory control GoGo/NoGo task. | The effects of 12 sessions of continuous theta burst stimulation (cTBS) to the right inferior frontal gyrus (r.IFG) on inhibitory control (IC) task performance. This will be measured at : baseline; after completing 12 sessions of cTBS treatment, 3-7 days following making a quit attempt and at days 14, 21 and 28 following quit attempt. | 2 months |
| Craving regulation scores (#) on a regulation of craving task. | The effects of 12 sessions of continuous theta burst stimulation (cTBS) to the right inferior frontal gyrus (r.IFG) on regulation of craving (ROC) task performance. This will be measured at : baseline; after completing 12 sessions of cTBS treatment, 3-7 days following making a quit attempt and at days 14, 21 and 28 following quit attempt. | 2 months |
| Measure | Description | Time Frame |
|---|---|---|
| Symptoms scores (#) as measured by the review of symptoms (ROS) questionnaire. | The safety and tolerability of 12 sessions of continuous theta burst stimulation (cTBS) to the right inferior frontal gyrus (r.IFG). This will be measured at the end of each cTBS treatment visit in the laboratory and each follow up visit. The Review of Symptoms (ROS) Questionnaire ranges from 0 to 75. Lower scores equal less symptoms, meaning the lower the score, the better the outcome. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Madhura Athreya, MS | Contact | 5738822977 | athreyam@health.missouri.edu | |
| Brett Froeliger, PhD | Contact | 5738824785 | froeligerb@health.missouri.edu |
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|
| Sham Continuous Theta-burst stimulation (cTBS) | Device | Sham cTBS, inhibitory-like patterned form of TMS. |
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| 2 months |
| ID | Term |
|---|---|
| D014029 | Tobacco Use Disorder |
| ID | Term |
|---|---|
| D019966 | Substance-Related Disorders |
| D064419 | Chemically-Induced Disorders |
| D001523 | Mental Disorders |
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