# Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS

> **NCT04107779** · NA · COMPLETED · sponsor: **Juul Labs, Inc.** · enrollment: 279 (actual)

## Conditions studied

- Electronic Cigarette Use
- Cigarette Use, Electronic
- Tobacco Use
- Tobacco Smoking

## Interventions

- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 5% Virginia Tobacco ENDS
- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 3% Virginia Tobacco ENDS
- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 5% Mint ENDS
- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 3% Mint ENDS
- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 5% Menthol ENDS
- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 3% Menthol ENDS
- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 5% Mango ENDS
- **OTHER:** Switch from UB of Combustible Cigarette to JUUL 3% Mango ENDS
- **OTHER:** Switch to Dual-use of JUUL 5% and UB of Combustible Cigarette
- **OTHER:** Tobacco/Nicotine Abstention
- **OTHER:** Usual Brand of cigarettes

## Key facts

- **NCT ID:** NCT04107779
- **Lead sponsor:** Juul Labs, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-09-17
- **Primary completion:** 2020-02-17
- **Final completion:** 2020-06-24
- **Target enrollment:** 279 (ACTUAL)
- **Last updated:** 2020-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04107779

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04107779, "Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04107779. Licensed CC0.

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