An interventional study of chatbot and no chatbot in Smoking Cessation and Smoking (Tobacco) Addiction, sponsored by University of Minnesota. Recruiting at 1 site in United States. Open to participants aged 21 Years and older. Per ClinicalTrials.gov, last updated 2026-06-24.
Sponsored by University of Minnesota · Not applicable, Interventional, and Other
The goal of this randomized study is to assess if a conversational agent (or chatbot) that the investigators have developed to help with quitting smoking is acceptable to people trying to quit smoking and to also collect initial information regarding its effectiveness.
In this study, some participants trying to quit smoking will be provided with this chatbot while other participants will not be
1,581 studies on the registry are indexed under Smoking Cessation; 198 are open to participants now.
This study's planned enrollment of 120 is below the median of 164 across 1,423 interventional studies indexed under Smoking Cessation.
Browse Smoking Cessation studies →University of Minnesota is the lead sponsor of 1,216 studies on the registry; 197 are open to participants now.
Of its 136 completed or terminated interventional studies of FDA-regulated products, 95 (70%) 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:
Other: chatbot
Other: no chatbot
a chatbot will alert during predicted high risk smoking times and suggest approaches to manage potential smoking triggers
no chatbot is provided
Feasibility of trial procedures
The proportion of enrolled participants who download the study app
Time frame: 1 day
Feasibility of study procedures
The proportion of participants (among those who downloaded the app) who complete the week 2 post-quit visit
Time frame: 2 weeks
Health Information Technology Usability Evaluation Scale (Health-ITUES)
This scale will be used to access the acceptability of study app. The scale consists of 20 questions scored from 1 to 5 with higher values indicating more positive response
Time frame: 2 weeks
Average number of daily interactions with the study app
Time frame: 2 weeks
The average number of cigarettes smoked per day
Time frame: 2 weeks
Average number of nicotine lozenges used
Time frame: 2 weeks
The proportion of participants who complete the week 8 post-quit visit
Time frame: 8 weeks
The proportion of participants not smoking for the 7 day period before the week 2 visit
Time frame: 2 weeks
The proportion of participants not smoking for the 7 day period before the week 8 visits
Time frame: 8 weeks
The proportion of participants not smoking at all between the quit date and the week 2 visit
Time frame: 2 weeks
The proportion of participants not smoking at all between the quit date and the week 8 visit
Time frame: 8 weeks
Motivation to quit smoking
Using a 1 - 10 scale on the contemplation to quit ladder (1 - no interest in quitting; 10 - will never smoke again)
Time frame: 2 weeks
Brief Questionnaire of Smoking Urges (QSU-Brief)
Questionnaire assessing craving severity. Range for total score is 10 - 70 with higher score indicating greater craving
Time frame: 2 weeks
The Minnesota Nicotine Withdrawal Scale (MNWS)
Questionnaire assessing withdrawal symptom severity. Range for total score is 0 - 36 with higher score indicating greater withdrawal symptoms
Time frame: 2 weeks
Plan to share: Yes — Non-identifiable data will be deposited into the University of Minnesota Data Repository (DRUM)
No publications or documents are linked to this record.
Started Jun 2026 (actual). Primary completion is estimated for Jun 2027, 12 months after the start.
Of 546 non-industry interventional studies with no phase under Smoking Cessation, half reached primary completion within 24 months of starting (the median), counting those still running; a quarter within 12 and three quarters within 45. This study's planned 12 months is below that.
Counting every sponsor, half of 563 studies reached it within 24 months; a quarter within 12 and three quarters within 44.
How these figures are worked out, and which studies are left out of them.
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
Contact study teamGet an email when the registry record changes — status, dates, results — or when someone posts here.
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