# ESTxENDS Trial: MN Substudy - Micronuclei in Buccal Epithelium, a Surrogate Measure of Future Cancer Risk, Induced by Electronic Nicotine Delivery Systems (ENDS/Vaporizer/E-cig)

> **NCT04244773** · NA · COMPLETED · sponsor: **University of Bern** · enrollment: 1246 (actual)

## Conditions studied

- Smoking Cessation
- Micronuclei

## Interventions

- **OTHER:** ENDS (vaporizer/e-cig) and smoking cessation counseling
- **OTHER:** Smoking cessation counseling

## Key facts

- **NCT ID:** NCT04244773
- **Lead sponsor:** University of Bern
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-11-18
- **Primary completion:** 2023-08-31
- **Final completion:** 2023-08-31
- **Target enrollment:** 1246 (ACTUAL)
- **Last updated:** 2023-11-15

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04244773

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04244773, "ESTxENDS Trial: MN Substudy - Micronuclei in Buccal Epithelium, a Surrogate Measure of Future Cancer Risk, Induced by Electronic Nicotine Delivery Systems (ENDS/Vaporizer/E-cig)". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT04244773. Licensed CC0.

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