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NCT03951766 · ClinicalTrials.gov registry record · NA
Version 2 of the Smoking Cessation Smartphone App "Smiling Instead of Smoking" (SiS)
A NA study, sponsored by Massachusetts General Hospital.
- Completed
- Registry status
- NA
- Development phase
- 100
- Enrollment target
NCT03951766: Completed NA study, sponsored by Massachusetts General Hospital.
NCT03951766 is a NA study that has completed, run by Massachusetts General Hospital. The registered enrollment target is 100 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (93% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03951766, a NA study, has completed, sponsored by Massachusetts General Hospital.
- COMPLETED
- Registry status
- NA
- Development phase
- 100 participants
- Enrollment target
Study Summary
The overall goal of this pilot study is to solicit feedback from nondaily smokers looking for smoking cessation support online (n=90) about Version 2 of a smartphone app investigators designed to support smoking cessation, and to test if within-person theorized mechanisms of change are occurring as participants undergo the app-assisted quit attempt. Data sources will be passively collected smartphone app usage data, surveys and, in a sub-sample (n=20), online video-conference user feedback sessions. Results will be used to guide the design of Version 3.0 of the "Smiling Instead of Smoking" (SiS) smartphone app. Specifically, the aims of this study are to: 1. Assess ease-of-use and helpfulness of the app, as rated by app users 6 weeks after their chosen smoking cessation date 2. Test if within-person changes occur in theorized mechanisms of behavior change as nondaily smokers undergo a SiS app assisted quit attempt 3. Identify app features in need of improvement, as identified by passively recorded app usage patterns, REDCap open-ended survey items, and, in a sub-sample, user feedback sessions (n=20)
Primary Outcome
As rated by app users 6 weeks after their chosen smoking cessation date via open-ended REDCap survey. This survey asks questions concerning feasibility, usefulness, and overall opinions of specific app features. Responses were rated on 4-point Likert-scales with ease-of-use rated with the options 0 = Not easy at all \| 1 = Somewhat easy to use \| 2 = Easy to use \| 3 = Very easy to use, and usefulness rated with the options 0 = Not at all useful \| 1 = Somewhat useful \| 2 = Useful \| 3 = Very u
Interventions
- BEHAVIORAL Smiling Instead of Smoking (SiS) App Version 2
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 100 participants |
| Start Date | 2019-06-24 |
| Est. Completion | 2020-06-08 |
| Phase | NA |
What the finished NCT03951766 record still lists
NCT03951766 is an interventional study that assigns participants to a tested intervention. The registered 100 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (93% lower).
The record links to 0 conditions, and to 1 intervention - of which Smiling Instead of Smoking (SiS) App Version 2 is the first listed.
NCT03951766 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03951766 about?
NCT03951766 is a clinical study titled "Version 2 of the Smoking Cessation Smartphone App "Smiling Instead of Smoking" (SiS)". The overall goal of this pilot study is to solicit feedback from nondaily smokers looking for smoking cessation support online (n=90) about Version 2 of a smartphone app investigators designed to support smoking cessation, and to test if within-person theorized mechanisms of change are occurring as ...
What is the current status of trial NCT03951766?
This trial is currently completed. It is a NA study. The enrollment target is 100 participants. The study started on 2019-06-24. Estimated completion is 2020-06-08.
What interventions are being tested in trial NCT03951766?
The interventions under investigation include: Smiling Instead of Smoking (SiS) App Version 2 (BEHAVIORAL).
Who is sponsoring clinical trial NCT03951766?
This trial is sponsored by Massachusetts General Hospital, which has 2,032 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03951766's enrollment target sits among peer trials
100 840th of 2000 higher than 1,081 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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