Tobacco UseSupport2QuitNCT05797155
A Mobile App Based Cognitive Dissonance Intervention for Smoking Cessation
A study testing Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation Tips and Tips for Smoking Cessation App in people with Tobacco Use, run by Oregon Research Behavioral Intervention Strategies, Inc. at 1 site in United States.
Trial summary
This research study aims to develop a cognitive dissonance-based mobile app for smoking cessation (Support2Quit) and test the efficacy of the app with 500 adult smokers who express a desire to quit smoking. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Tobacco Use
- What is being tested?
- Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation Tips and Tips for Smoking Cessation App
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 437 participants
- Where
- 1 siteUnited States
- Study dates
- 1 Dec 2023to 15 Mar 2025
- Phase
- Interventional
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Age 18 or older
- Self-reported daily smoking
- Having a valid home mailing address in the United States
- English-speaking
- Access to a smart phone with video capability for the duration of the project
- Expressed desire to quit smoking
Who cannot join
- Currently participating in a tobacco cessation program
Trial locations and contacts
1 site in 1 country.
United States1 site
Oregon Research Behavioral Intervention Strategies, Inc.
Springfield, Oregon, 97477-2019
About this study
This research study aims to develop a cognitive dissonance-based mobile app for smoking cessation (Support2Quit) and test the efficacy of the app with 500 adult smokers who express a desire to quit smoking.
Read the detailed description
This research project will evaluate the Support2Quit mobile app for smoking cessation by having 500 daily adult smokers recruited through social media and randomized to either the Support2Quit app or an app that has similar content but no tasks for inducing cognitive dissonance among participants. Outcomes will be measured at 1- and 3-months post-baseline and will include quit attempts, number of days without smoking (smoke free days), and changes in smoking attitudes and behavior, and smoking abstinence. Usability data, system log data on program use, and participant satisfaction data will also be analyzed.
The researchers hypothesize that individuals using the cognitive dissonance intervention (CDI) will show greater increases in quit attempts, smoke free days, quit rates, and positive smoking attitudes and behaviors than individuals in the active comparison condition. The researchers will test whether gender, smoking dependence, readiness to quit, previous quit attempts, age of smoking initiation, and socio-economic status moderate intervention effects on smoking outcomes.
- Conditions
- Tobacco Use
- Being tested
- Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation Tips, Tips for Smoking Cessation App
- Medical subject headings
- Tobacco Use
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation TipsBehavioural
Support2Quit App (Cognitive Dissonance Based Smoking Cessation) Use of the Support2Quit app, completion of cognitive dissonance activities, sharing of videos with online group, and providing support to other group members
Tips for Smoking Cessation AppBehavioural
App containing daily tips for smoking cessation
| Study group | Role | What they receive |
|---|---|---|
| Support2Quit App - Cognitive Dissonance Based Smoking Cessation | Experimental | This group will receive daily smoking cessation tips and will be asked to complete activities within the app that are designed to induce cognitive dissonance, create and share videos related to the activities with an online group, and provide support to other group members Receives: Behavioral: Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation Tips |
| Comparison App - Smoking Cessation Support without Cognitive Dissonance Activities | Active comparator | This group will use an app that consists of tips for quitting cigarettes but does not include the cognitive dissonance component. Receives: Behavioral: Tips for Smoking Cessation App |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of Participants With Cigarette Abstinence
Based on 1-item that asked "In the past 7 days, have you smoked any cigarettes?". The variable is coded 1 if they the participants indicated they did not smoke any cigarettes otherwise coded 0. A value of 1 = abstinence and 0 = not abstinent.
Measured: 1-month and 3-month follow-up
Fagerstrom Tobacco Dependence Scale
This is a 6 item measure of tobacco dependence and response options are a mix of ordered categorical and dichotomous items. Item 1 "How many cigarettes per day to you smoke?" (0 = less than 10 cigarettes a day, 3 = 31 or more cigarettes a day). Item 2 "How soon after you wake do you smoke your first cigarette (0 = after 60 minutes, 3 = within 5 minutes). Item 3 "Is it hard to keep from smoking in places where it is prohibited (1 = yes, 0 = no). Item 4 "Which cigarette would you hate to give up most (1 = the first in the morning, 0 = any other). Item 5 "Do you smoke more cigarettes during the first 2 hours of the day compared to the rest of the day (1 = yes, 0 = no). Item 6 "Do you smoke when you are so ill you are in bed?" (1 = yes, 0 = no). A total sum score is computed and can range from 0 to 10 points with higher scores indicating higher levels of tobacco dependence.
Measured: Baseline, 1-month follow-up, 3-month follow-up
Number of Participants With Reduction in Number of Cigarettes Smoked Per Day
Represents whether or not (1 = yes, 0 = no) a reduction of cigarettes smoked per day is reported from the baseline assessment. A higher score indicates a reduction in cigarettes smoked.
Measured: 1-month and 3-month follow-up
Number of Participants With Reduction in the Number of Cigarettes Smoked Per Day and Reduced to 0-5 Cigarettes
Represents whether or not (1 = yes, 0 = no) a reduction of cigarettes smoked per day is reported from the baseline assessment and is the number of daily cigarettes in 0-5 per day. A higher score indicates a reduction in cigarettes smoked per day and the number smoked is 5 or less.
Measured: 1-month and 3-month follow-up
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted4 Apr 2023
- Study start1 Dec 2023
- Primary completion15 Mar 2025
- Study completion15 Mar 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for Tobacco UseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- This study will recruit 500 daily adult smokers through social media to test the Support2Quit app for smoking cessation. Participants will be randomly assigned to either the Support2Quit app or an app that has similar content but no tasks for inducing cognitive dissonance among participants.
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 437 participants (actual)
Sponsor and investigators
- Lead sponsor
- Oregon Research Behavioral Intervention Strategies, Inc.
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Dana Smith, PhD, Principal investigator, Oregon Research Behavioral Intervention Strategies, Inc.
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05797155
- Sponsor's protocol ID
- DP006495-02
- Acronym
- Support2Quit
- Status last verified
- Nov 2025
- First submitted
- 9 Mar 2023
- Last updated
- 24 Nov 2025
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 24 Nov 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Mobile App Based Cognitive Dissonance Intervention for Smoking Cessation
- ClinicalTrials.gov ID
- NCT05797155
- Acronym / sponsor ID
- Support2Quit / DP006495-02
- Conditions
- Tobacco Use
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 437 participants (actual)
- Lead sponsor
- Oregon Research Behavioral Intervention Strategies, Inc.Industry (pharma, biotech, devices)
- Study start
- 1 Dec 2023 (actual)
- Primary completion
- 15 Mar 2025 (actual)
- Study completion
- 15 Mar 2025 (actual)
- First posted
- 4 Apr 2023 (actual)
- Results
- Posted 24 Nov 2025
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This research study aims to develop a cognitive dissonance-based mobile app for smoking cessation (Support2Quit) and test the efficacy of the app with 500 adult smokers who express a desire to quit smoking.
Detailed description
This research project will evaluate the Support2Quit mobile app for smoking cessation by having 500 daily adult smokers recruited through social media and randomized to either the Support2Quit app or an app that has similar content but no tasks for inducing cognitive dissonance among participants. Outcomes will be measured at 1- and 3-months post-baseline and will include quit attempts, number of days without smoking (smoke free days), and changes in smoking attitudes and behavior, and smoking abstinence. Usability data, system log data on program use, and participant satisfaction data will also be analyzed.
The researchers hypothesize that individuals using the cognitive dissonance intervention (CDI) will show greater increases in quit attempts, smoke free days, quit rates, and positive smoking attitudes and behaviors than individuals in the active comparison condition. The researchers will test whether gender, smoking dependence, readiness to quit, previous quit attempts, age of smoking initiation, and socio-economic status moderate intervention effects on smoking outcomes.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
- Model description
- This study will recruit 500 daily adult smokers through social media to test the Support2Quit app for smoking cessation. Participants will be randomly assigned to either the Support2Quit app or an app that has similar content but no tasks for inducing cognitive dissonance among participants.
| Arm | Type | Receives |
|---|---|---|
| Support2Quit App - Cognitive Dissonance Based Smoking Cessation | Experimental | Behavioral: Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation TipsThis group will receive daily smoking cessation tips and will be asked to complete activities within the app that are designed to induce cognitive dissonance, create and share videos related to the activities with an online group, and provide support to other group members |
| Comparison App - Smoking Cessation Support without Cognitive Dissonance Activities | Active comparator | Behavioral: Tips for Smoking Cessation AppThis group will use an app that consists of tips for quitting cigarettes but does not include the cognitive dissonance component. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- Age 18 or older
- Self-reported daily smoking
- Having a valid home mailing address in the United States
- English-speaking
- Access to a smart phone with video capability for the duration of the project
Key exclusion criteria (1 listed)
- Currently participating in a tobacco cessation program
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation TipsSupport2Quit App (Cognitive Dissonance Based Smoking Cessation) Use of the Support2Quit app, completion of cognitive dissonance activities, sharing of videos with online group, and providing support to other group members | Behavioural | Support2Quit App - Cognitive Dissonance Based Smoking Cessation |
| Tips for Smoking Cessation AppApp containing daily tips for smoking cessation | Behavioural | Comparison App - Smoking Cessation Support without Cognitive Dissonance Activities |
Primary outcome
Number of Participants With Cigarette Abstinence
Time frame: 1-month and 3-month follow-up
Based on 1-item that asked "In the past 7 days, have you smoked any cigarettes?". The variable is coded 1 if they the participants indicated they did not smoke any cigarettes otherwise coded 0. A value of 1 = abstinence and 0 = not abstinent.
Fagerstrom Tobacco Dependence Scale
Time frame: Baseline, 1-month follow-up, 3-month follow-up
This is a 6 item measure of tobacco dependence and response options are a mix of ordered categorical and dichotomous items. Item 1 "How many cigarettes per day to you smoke?" (0 = less than 10 cigarettes a day, 3 = 31 or more cigarettes a day). Item 2 "How soon after you wake do you smoke your first cigarette (0 = after 60 minutes, 3 = within 5 minutes). Item 3 "Is it hard to keep from smoking in places where it is prohibited (1 = yes, 0 = no). Item 4 "Which cigarette would you hate to give up most (1 = the first in the morning, 0 = any other). Item 5 "Do you smoke more cigarettes during the first 2 hours of the day compared to the rest of the day (1 = yes, 0 = no). Item 6 "Do you smoke when you are so ill you are in bed?" (1 = yes, 0 = no). A total sum score is computed and can range from 0 to 10 points with higher scores indicating higher levels of tobacco dependence.
Number of Participants With Reduction in Number of Cigarettes Smoked Per Day
Time frame: 1-month and 3-month follow-up
Represents whether or not (1 = yes, 0 = no) a reduction of cigarettes smoked per day is reported from the baseline assessment. A higher score indicates a reduction in cigarettes smoked.
Number of Participants With Reduction in the Number of Cigarettes Smoked Per Day and Reduced to 0-5 Cigarettes
Time frame: 1-month and 3-month follow-up
Represents whether or not (1 = yes, 0 = no) a reduction of cigarettes smoked per day is reported from the baseline assessment and is the number of daily cigarettes in 0-5 per day. A higher score indicates a reduction in cigarettes smoked per day and the number smoked is 5 or less.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 24 Nov 2025.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Dana Smith, PhD principal investigator
Oregon Research Behavioral Intervention Strategies, Inc.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation Tips and Tips for Smoking Cessation App in people with Tobacco Use, run by Oregon Research Behavioral Intervention Strategies, Inc. at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 24 Nov 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Yes. Results are posted in the registry (first posted 24 Nov 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Number of Participants With Cigarette Abstinence (time frame: 1-month and 3-month follow-up). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Nov 2025; AzTrials last refreshed its copy on 26 Oct 2026.