'WeChat WeQuit' Smoking Cessation Program

The Efficacy of WeChat Based Interventions ('WeChat WeQuit' Program) for Smoking Cessation in China: a Randomized Trial

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03169686

Enrollment

2000

Registered

2017-05-30

Start date

2020-03-19

Completion date

2022-11-16

Last updated

2022-12-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cigarette Smoking, Smoking Cessation

Brief summary

This proposed project is to assess whether WeChat-based smoking cessation interventions ('WeChat WeQuit' program) will be effective at helping people in China who smoke, to quit.

Interventions

BEHAVIORALCognitive and Behavioral Intervention

Participants who allocate to the intervention group will receive regular smoking cessation related information by professional team.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

HEALTH_SERVICES_RESEARCH

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

1. Daily Chinese cigarette smokers. 2. 18 years of age and older living. 3. Being able to read and write in Chinese. 4. Owning a smartphone and knowing how to use WeChat. 5. Willing to make an attempt to quit smoking in the next month. 6. Willing to provide informed consent to participate in the study.

Exclusion criteria

1. Nonsmokers. 2. Smokers without attempt to quit. 3. Below 18 years old. 4. Unable to use smartphone and WeChat. 5. Unable to read and write in Chinese.

Design outcomes

Primary

Measure	Time frame	Description
Biochemically Validated Continuously Abstinence	26 weeks	The primary outcome will be biochemical validation of self-reported 26-week continuous smoking abstinence

Secondary

Measure	Time frame	Description
Self-reported 7-day Point Abstinence	26 weeks	Self-reported 7-day point-prevalence abstinence at week 1, 4, 8, 12, 16, 20 and 26 after quit date.
Self-reported Continuous Abstinence	26 weeks	Self-reported continuous smoking abstinence rate at weeks 4, 8, 12, 16, 20, and 26 after the quit date.

Other

Measure	Time frame	Description
Smoking Reduction and Participation	26 weeks	Reductions in number of cigarettes smoked per day and rates of participation in and completion of smoking-cessation programs.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 11, 2026