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RECRUITING
NCT05643469
NA

Self-determination Plus Instant Messaging for Smokers With Cancer

Sponsor: Chinese University of Hong Kong

View on ClinicalTrials.gov

Summary

Objective: To test the efficacy of a self-determination theory-based intervention plus instant messaging to help smokers with cancer quit smoking. Hypothesis to be tested: Subjects who are allowed to choose their quit schedule and receive regular instant messaging about smoking cessation will show a significantly higher biochemically validated quit rate than those who receive only brief advice to quit immediately. Design and Subjects: An RCT will be conducted to 1448 smokers with cancer attending the outpatient clinics of five major acute care hospitals in Hong Kong for medical follow-up. Instruments: A structured questionnaire will be used to assess subjects' smoking history and demographic and clinical characteristics. EQ-5D-5L will be used to measure subjects' quality of life. Interventions: The intervention group will receive brief advice and will be invited to choose their own quit schedules (immediate or progressive) in the outpatient clinics. They will receive instant messaging about smoking cessation during the first 6-month follow-up period. The control group will receive brief advice to quit smoking immediately in the outpatient clinics, and will receive a placebo intervention during the first 6-month follow-up period. Subjects in both groups will receive leaflets on smoking cessation.

Official title: Efficacy of a Self-determination Theory-based Smoking Cessation Intervention Plus Instant Messaging Via Mobile Application for Smokers With Cancer: A Pragmatic Randomized Controlled Trial

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

1448

Start Date

2023-07-03

Completion Date

2026-05

Last Updated

2025-12-05

Healthy Volunteers

No

Conditions

Interventions

OTHER

Self-determination theory-based intervention plus instant messaging

subjects will receive brief interventions using the AWARD model and they will be allowed to select their own quit schedules (quit immediately, or quit progressively) with the ultimate goal of complete cessation. Follow-up booster intervention with WhatsApp/WeChat messages to help them to adhere to their schedules and independent 1-minute videos will be delivered.

OTHER

AWARD model

Subjects will receive a brief intervention using the AWARD model and all of them will advise to quit immediately. Only general health advice via WhatsApp/WeChat will be delivered.

Locations (1)

The Chinese University of Hong Kong

Hong Kong, Hong Kong