Pilot Study of Communication for Dual Users of Cigarettes and E-cigarettes

NCT07599462 — Not applicable, Recruiting, 90 participants, UNC Lineberger Comprehensive Cancer Center

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Designing and Evaluating Communication for Dual Users of E-cigarettes and Combustible Cigarettes

Registry	NCT07599462
Status	Recruiting
Phase	Not applicable
Study type	Interventional; randomized, parallel, masking: single, prevention
Enrollment	90 (Estimated)
Sponsor	UNC Lineberger Comprehensive Cancer Center (Other); collaborators: National Cancer Institute (NCI)
Conditions	Tobacco Products, Cigarettes, Electronic Cigarettes
Interventions	communication (Other)
Dates	start 2026-04-24, primary completion 2027-10-16 (estimated), completion 2027-11-17 (estimated), first posted 2026-05-20, last updated 2026-10-23
Locations	1 site in United States

-Summary

The study is a pilot test of effectiveness of communication campaign ads on interest in quitting combustible cigarettes and e-cigarettes. Over the course of 5 weeks, participants are sent ads that are designed to encourage quitting and then answer surveys.

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+Detailed description

Qualtrics Services will enroll 90 US adult dual users to participate in this study using existing panels. Inclusion criteria are current cigarette and e-cigarette use, age 18 or older, and ability read and answer questions in English, and willingness to receive text messages. Qualtrics will contact, screen, consent and randomize participants into 1 of 2 study arms: exposure to a 3 cycles of 6 ads encouraging them to quit smoking and vaping simultaneously or 6 ads encouraging them to quit sequentially (quitting smoking first followed by quitting vaping). The ads (one per day) are presented along with brief daily surveys. The primary outcome in intent to quit smoking.

+Arms and interventions

Arm	Type	Interventions	Description
Simultaneous quit messages	Experimental	Other: communication	Participants in this arm receive messages encouraging them to quit both cigarettes and e-cigarettes at the same time.
Sequential quit messages	Experimental	Other: communication	Participants in this arm receive messages encouraging them to quit cigarettes first, followed by e-cigarettes.

communication (Other), also known as advertising: Participants view an image that is an ad designed to encourage them to quit their use of cigarettes and e-cigarettes.

+Outcome measures

Primary outcomes

Cigarette quit intention [Measured at baseline (Day 0) weekly surveys (Days 7, 14), post 1 survey (Day 21), and post 2 survey (Day 35)]: A three question scale of interest in quitting cigarettes: How \[interested are you in quitting / likely are you to quit / much do you intend to quit\] smoking cigarettes in the next 6 months? 4 point response scale.

Secondary outcomes

E-cigarette quit intention [Measured at baseline (Day 0) weekly surveys (Days 7, 14), post 1 survey (Day 21), and post 2 survey (Day 35)]: A three question scale of interest in quitting vaping (e-cigarettes): How \[interested are you in quitting / likely are you to quit / much do you intend to quit\] vaping in the next 6 months? 4 point response scale.
Cigarette quit attempts [Measured at baseline (Day 0) weekly surveys (Days 7, 14), post 1 survey (Day 21), and post 2 survey (Day 35)]: A question: In the last 7 days, have you attempted to stop smoking cigarettes? (yes/no)
E-cigarette quit attempts [Measured at baseline (Day 0) weekly surveys (Days 7, 14), post 1 survey (Day 21), and post 2 survey (Day 35)]: A question: In the last 7 days, have you attempted to stop vaping? (yes/no)
Forgoing cigarettes [Measured at baseline (Day 0) weekly surveys (Days 7, 14), post 1 survey (Day 21), and post 2 survey (Day 35)]: A question: In the last 7 days, how many times did you stop yourself from having a cigarette because you wanted to smoke less? \[numerical response 0-250\]
Forgoing e-cigarettes [Measured at baseline (Day 0) weekly surveys (Days 7, 14), post 1 survey (Day 21), and post 2 survey (Day 35)]: A question: In the last 7 days, how many times did you stop yourself from vaping because you wanted to smoke less? \[numerical response 0-250\]

+Eligibility

Sex: All, ages: 18 Years to any

Inclusion Criteria:

* use cigarettes every day or some days
* use e-cigarettes every day or some days
* age 18 or older
* ability to read and answer questions in English

Exclusion Criteria:

* under age 18

+Locations (1)

Facility	City	Country	Status
Recruitment is online and national, using existing Qualtrics survey panels	Chapel Hill, North Carolina	United States	Recruiting

+Funding

NIH grants: K01CA253234

My Notes

Public

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