An interventional study of Quitline (QL) and Mobile incentive-based intervention in Cigarette Smoking, sponsored by University of Michigan. Not yet recruiting. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-11-09.
Sponsored by University of Michigan · Not applicable, Interventional, and Treatment
The purpose of this study is to evaluate whether a digital, incentive-based program, used in conjunction with traditional quitline (QL) services, can be beneficial to quitline callers who smoke menthol cigarettes. The services evaluated focus on coaching, support, and/or incentives for individuals who wish to quit smoking.
475 studies on the registry are indexed under Cigarette Smoking; 86 are open to participants now.
This study's planned enrollment of 1,200 is above the median of 96 across 406 interventional studies indexed under Cigarette Smoking.
Browse Cigarette Smoking studies →University of Michigan is the lead sponsor of 1,506 studies on the registry; 192 are open to participants now.
Of its 169 completed or terminated interventional studies of FDA-regulated products, 133 (79%) have results posted.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Participants complete QL services
Behavioral: Quitline (QL)
Participants complete QL services and download our incentive-based mobile app
Behavioral: Quitline (QL) · Behavioral: Mobile incentive-based intervention
QL services include scheduled and on-demand phone and digital interactions with a coach, as well as optional ancillary services and nicotine replacement therapy by mail.
The app-based intervention incentivizes participants for daily check-ins, smoking cessation, and QL calls. Participants also receive encouragement to set a smoking quit date from a study interventionist and receive motivational messages in the app.
Smoking Cessation
Participants will self-report (yes/no) past 30-day combustible tobacco use.
Time frame: 3-, 6-, 9- and 12- months post baseline
Smoking Cessation With Lapses
Participants will self-report of cessation from combustible tobacco products, with the exception of up to 5 cigarettes (lapses), since 2 weeks after their quit date (i.e., 2 week "grace period").
Time frame: 3-, 6-, 9- and 12- months post baseline
No study locations are listed for this record.
Plan to share: Yes — Consistent with sponsor requirements, de-identified data will be shared with the Patient Centered Outcomes Research Institute (PCORI), its collaborators, and associated research partners.
Supporting information: Study protocol, Statistical analysis plan, Informed consent form
No publications or documents are linked to this record.
From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗
This study is not yet recruiting, as verified in Jan 2026. You cannot join it, but the record below documents what was studied.
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