Project MARS: Mobile-Assistance for Regulating Smoking
Public ClinicalTrials.gov record NCT04376489. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Novel Use of mHealth Data to Identify States of Vulnerability and Receptivity to JITAIs
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study aims to investigate approaches to capitalize on states of vulnerability and receptivity to deliver real-time self-regulation prompts among smokers.
Study identification
- NCT ID
- NCT04376489
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 114 participants
Conditions and interventions
Conditions
Interventions
- Messages recommending low effort strategies (participants experiencing negative affect & cigarettes are available) Behavioral
- Messages recommending low effort strategies (participants not experiencing negative affect & cigarettes are available) Behavioral
- Messages recommending low effort strategies (participants experiencing negative affect & cigarettes are not available) Behavioral
- Messages recommending low effort strategies (participants not experiencing negative affect & cigarettes are not available) Behavioral
- Messages recommending low effort strategies (when participants did not complete the 2-question survey) Behavioral
- More effortful activity: Moodsurf Behavioral
- More effortful activity: Meditate Behavioral
- More effortful activity: Joy Behavioral
- More effortful activity: Imagine Behavioral
- More effortful activity: Notice Behavioral
Behavioral
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 26, 2020
- Primary completion
- Oct 19, 2023
- Completion
- Oct 19, 2023
- Last update posted
- Aug 30, 2026
2020 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Utah | Salt Lake City | Utah | 84102 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04376489, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 30, 2026 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04376489 live on ClinicalTrials.gov.