# Personalized Support Using Instant Messaging Applications to Increase Smoking Cessation

> **NCT03800719** · NA · UNKNOWN · sponsor: **The University of Hong Kong** · enrollment: 696 (estimated)

## Conditions studied

- Smoking Cessation

## Interventions

- **BEHAVIORAL:** AWARD advice
- **BEHAVIORAL:** Health warning leaflet
- **BEHAVIORAL:** Active referral to smoking cessation (SC) services
- **BEHAVIORAL:** Regular messages through Instant Messaging (IM)
- **BEHAVIORAL:** Psychosocial support and referral to SC services through IM
- **BEHAVIORAL:** Message on general health delivered by short message service (SMS)

## Key facts

- **NCT ID:** NCT03800719
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-12-15
- **Primary completion:** 2020-12-31
- **Final completion:** 2020-12-31
- **Target enrollment:** 696 (ESTIMATED)
- **Last updated:** 2019-09-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03800719

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03800719, "Personalized Support Using Instant Messaging Applications to Increase Smoking Cessation". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT03800719. Licensed CC0.

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