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All participants will receive the EnufSnuff.TXT scheduled gradual reduction (SGR) intervention for 6 weeks and, for those who do not reach the point of quit, includes getting randomized (like the flip of a coin) into either an additional 8-10 weeks of the EnufSnuff.TXT intervention or into receiving an additional 8-10 weeks of the EnufSnuff.TXT intervention along with a dedicated text quit coach to send and receive live support.
All participants will receive the EnufSnuff.TXT intervention (a text-based personalized reduction plan and daily text-based cessation support messages) for 6 weeks and, for those who report that they have not achieved complete cessation, includes getting randomized into either an additional 8-10 weeks of the EnufSnuff.TXT intervention or into receiving an additional 8-10 weeks of the EnufSnuff.TXT intervention along with a dedicated quit coach to send and receive live text support. The investigators will conduct phone-based or smart phone-based assessments with participants at baseline, end of program, and 7-month follow-up after intervention completion. The investigators will also conduct a brief midpoint check (after the first 6 weeks of intervention) with participants to ask if they have quit using smokeless tobacco. Research staff will email participants redcap surveys at baseline, end of program, and 7-months. Participants will be able to opt for a recorded telephone interview at the 7-month check-in. Each opted-in participant will be interviewed only once.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Extended Scheduled Gradual Reduction (SGR) | Active Comparator | Extended scheduled gradual reduction. Participants are asked to gradually reduce smokeless tobacco usage. |
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| Quit Coach and Extended Scheduled Gradual Reduction (SGR) | Experimental | Extended scheduled gradual reduction given with the extra support of a live text-based coach. Participants are asked to gradually reduce smokeless tobacco usage and engage in weekly check-ins with their assigned quit coach. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Extended Scheduled Gradual Reduction (SGR) | Behavioral | The extended SGR program will allow participants additional time to reduce smokeless tobacco use until they reach zero. The intent of this program is to reduce the number of times participants use smokeless tobacco down to zero. Participants will also receive text-based support messages. |
| Measure | Description | Time Frame |
|---|---|---|
| Feasibility as measured by the number of recruited individuals who enrolled | Baseline | |
| Feasibility as measured by the number of participants who left the study (attrition) | Up to 6 months | |
| Acceptability as measured by the number of participants who found the intervention useful | As measured via telephone interview. | Up to 6 months |
| Acceptability as measured by the number of participants who reported that the intervention received changed their smokeless tobacco use | As measured via telephone interview. | Up to 6 months |
| Acceptability as measured by the number of participants who reported that the intervention made them think about quitting | As measured via telephone interview. | Up to 6 months |
| Acceptability as measured by the number of participants who reported that they would recommend the program to a friend | As measured via telephone interview. | Up to 6 months |
| Preliminary efficacy as measured by the number of participants who quit smokeless tobacco by the end of treatment | Up to approximately 16 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Devon Noonan, PhD | Duke University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Duke University | Durham | North Carolina | 27708 | United States |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| ICF | No | No | Yes | Informed Consent Form | Apr 4, 2025 | Apr 16, 2025 | ICF_000.pdf |
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| ID | Term |
|---|---|
| D020340 | Tobacco Use Cessation |
| D064424 | Tobacco Use |
| ID | Term |
|---|---|
| D015438 | Health Behavior |
| D001519 | Behavior |
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| Quit Coach | Behavioral | Weekly check-ins and support will be given to this group via the quit coach interactions. The intent of this program is to reduce the number of times participants use smokeless tobacco down to zero. Participants will also receive text-based support messages. |
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