# Chat-based Support for Preventing Smoking Relapse

> **NCT04409496** · NA · COMPLETED · sponsor: **The University of Hong Kong** · enrollment: 108 (actual)

## Conditions studied

- Smoking Cessation

## Interventions

- **BEHAVIORAL:** Chat-based instant messaging support
- **BEHAVIORAL:** SMS message support
- **BEHAVIORAL:** Self-help booklet

## Key facts

- **NCT ID:** NCT04409496
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-06-02
- **Primary completion:** 2021-01-22
- **Final completion:** 2021-01-22
- **Target enrollment:** 108 (ACTUAL)
- **Last updated:** 2021-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04409496

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04409496, "Chat-based Support for Preventing Smoking Relapse". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04409496. Licensed CC0.

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