NCT05227027

Brief Summary

This study evaluates the effects of a video game embedded in a commercially available mobile application (app) for smoking cessation. Smokers are increasingly turning to mobile health apps for assistance with quitting smoking, and there is a critical need for strategies to engage app users to increase retention and efficacy. Video games are designed to increase users' motivation and engagement, which in turn may increase their exposure and adherence to a smoking cessation program. The hypothesis is that the game increases engagement, retention, and smoking abstinence rates compared with a core version of the app without the game. A two-arm individually randomized pilot trial of 500 adult smokers will test this hypothesis, comparing outcomes for participants randomized to receive the core app plus embedded game with participants randomized to receive the core app only. Primary outcomes relate to user engagement with the app. Secondary outcomes relate to user engagement, efficacy (smoking abstinence), and user satisfaction.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
500

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Feb 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 26, 2022

Completed
12 days until next milestone

First Posted

Study publicly available on registry

February 7, 2022

Completed
2 days until next milestone

Study Start

First participant enrolled

February 9, 2022

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 31, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 31, 2022

Completed
1.6 years until next milestone

Results Posted

Study results publicly available

January 3, 2024

Completed
Last Updated

January 3, 2024

Status Verified

November 1, 2023

Enrollment Period

4 months

First QC Date

January 26, 2022

Results QC Date

November 14, 2023

Last Update Submit

December 14, 2023

Conditions

Outcome Measures

Primary Outcomes (2)

  • Number of Unique App Sessions

    Number of times the app was opened; passively collected by the app and averaged in analysis to calculate mean number of app opens by study group over the study period. A new session is defined as use of the app after at least 30 minutes of inactivity.

    Enrollment through 56 days after participant's selected quit date (56 to 63 days total)

  • Minutes of App Usage Per Session

    Passively collected by the app and averaged in analysis among those with a session to calculate mean number of minutes of usage per session by study group.

    Enrollment through 56 days after participant's selected quit date (56 to 63 days total)

Secondary Outcomes (5)

  • Unique Days With at Least One App Session

    Enrollment through 56 days after participant's selected quit date (56 to 63 days total)

  • Self-reported 7-day Point-prevalence Abstinence at 2 Months

    56 days after participant's selected quit date (56 to 63 days after enrollment)

  • Self-reported 30-day Point-prevalence Abstinence at 2 Months

    56 days after participant's selected quit date (56 to 63 days after enrollment)

  • Satisfaction With App

    56 days after participant's selected quit date (56 to 63 days after enrollment)

  • Satisfaction With Game (Intervention Group Only)

    56 days after participant's selected quit date (56 to 63 days after enrollment)

Other Outcomes (9)

  • Biochemically Verified 7-day Point-prevalence Abstinence at 2 Months

    56 days after participant's selected quit date (56 to 63 days after enrollment)

  • Biochemically Verified 30-day Point-prevalence Abstinence at 2 Months

    56 days after participant's selected quit date (56 to 63 days after enrollment)

  • Repeated 1-day Point-prevalence Smoking Abstinence

    During the 56 days after participant's selected quit date

  • +6 more other outcomes

Study Arms (2)

Education plus game module

EXPERIMENTAL

Participants receive an educational intervention through the Smoke Free application with the embedded game module. Participants complete questionnaires and may undergo saliva sample collection, if they report being smoke-free on follow-up.

Behavioral: Game ModuleBehavioral: Smoke Free smartphone application

Education module only

ACTIVE COMPARATOR

Participants receive an educational intervention through the Smoke Free application only (core app only). Participants complete questionnaires and may undergo saliva sample collection, if they report being smoke-free on follow-up.

Behavioral: Smoke Free smartphone application

Interventions

Game ModuleBEHAVIORAL

Receive access to the the game module through the free, 'Smoke Free' smartphone application

Also known as: In-application game module
Education plus game module

Receive educational intervention through the free 'Smoke Free' smartphone application (core version of the app)

Also known as: Educational intervention
Education module onlyEducation plus game module

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Provides electronic informed consent.
  • Male or female, aged 18 and older
  • Has downloaded and opened the Smoke Free app
  • A smoker of at least 1 cigarette per day
  • Plans to quit smoking within the next 7 days
  • Speaks, reads, and writes English
  • Lives in the United States

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of California San Francisco

San Francisco, California, 94143, United States

Location

Related Publications (2)

  • White JS, Salem MK, Toussaert S, Westmaas JL, Raiff BR, Crane D, Warrender E, Lyles C, Abroms L, Thrul J. Developing a Game (Inner Dragon) Within a Leading Smartphone App for Smoking Cessation: Design and Feasibility Evaluation Study. JMIR Serious Games. 2023 Aug 11;11:e46602. doi: 10.2196/46602.

    PMID: 37566442BACKGROUND
  • White JS, Toussaert S, Raiff BR, Salem MK, Chiang AY, Crane D, Warrender E, Lyles CR, Abroms LC, Westmaas JL, Thrul J. Evaluating the Impact of a Game (Inner Dragon) on User Engagement Within a Leading Smartphone App for Smoking Cessation: Randomized Controlled Trial. J Med Internet Res. 2024 Oct 30;26:e57839. doi: 10.2196/57839.

MeSH Terms

Interventions

Early Intervention, Educational

Intervention Hierarchy (Ancestors)

Child Health ServicesCommunity Health ServicesHealth ServicesHealth Care Facilities Workforce and ServicesPreventive Health Services

Results Point of Contact

Title
Dr. Justin White, Associate Professor
Organization
University of California, San Francisco

Study Officials

  • Justin White, PhD

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 26, 2022

First Posted

February 7, 2022

Study Start

February 9, 2022

Primary Completion

May 31, 2022

Study Completion

May 31, 2022

Last Updated

January 3, 2024

Results First Posted

January 3, 2024

Record last verified: 2023-11

Data Sharing

IPD Sharing
Will not share

Locations