Principle investigator:

Dr Man Ping WANG

Trial registration: Identifier: NCT03182790

Smokers recruited


Wang MP, Luk TT, Wu Y, Li WHC, Cheung DYT, Kwong ACS, Lai VWT, Chan SSC, Lam TH. Chat-based instant messaging support integrated with brief intervention for smoking cessation: a community-based, pragmatic, cluster-randomized controlled trial. Lancet Digital Health 2019;1(4):e183-e192 doi: 10.1016/S2589-7500(19)30082-2

Luk TT, Wong SW, Lee JJ, Chan SSC, Lam TH, Wang MP. Exploring Community Smokers’ Perspectives for Developing a Chat-Based Smoking Cessation Intervention Delivered Through Mobile Instant Messaging: Qualitative Study. JMIR Mhealth Uhealth 2019;7(1):e11954. doi: 10.2196/11954


Luk TT, WHC Li, Kwong ACS , Lai VWY, Chan SSC, Lam TH, Wang MP. Chat-based instant messaging support combined with brief advice and active referral for smoking cessation in proactively recruited community smokers: a pragmatic, cluster randomized controlled trial (poster and abstract). The 25th Annual Meeting of the Society for Research on Nicotine & Tobacco, San Francisco, United States, 20-23 February 2019

Study protocol:

Published version

Luk TT, Li WHC, Cheung DYT, Wong SW, Kwong A, Lai V, Chan SC, Lam TH, Wang MP. Chat-based instant messaging support combined with brief smoking cessation interventions for Chinese community smokers in Hong Kong: Rationale and study protocol for a pragmatic, cluster-randomized controlled trial. Contemp Clin Trials  2019;77:70-5. doi: 10.1016/j.cct.2018.12.013

IRB version

Building capacity and promoting smoking cessation in the community via “Quit to Win” Contest 2017: a single-blind cluster randomized controlled trial on a combined “cocktail” intervention of brief advice, instant messaging and active referral (AIR) to increase abstinence [Access]