Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS
Public ClinicalTrials.gov record NCT04107779. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Open Label, Parallel Group Study in Adult Smokers to Evaluate Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to Using JUUL Electronic Nicotine Delivery Systems With Two Different Nicotine Concentrations
Study identification
- NCT ID
- NCT04107779
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Juul Labs, Inc.
- Industry
- Enrollment
- 279 participants
Conditions and interventions
Interventions
- 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 Other
Other
Eligibility (public fields only)
- Age range
- 21 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 16, 2019
- Primary completion
- Feb 16, 2020
- Completion
- Jun 23, 2020
- Last update posted
- Jul 27, 2020
2019 – 2020
United States locations
- U.S. sites
- 5
- U.S. states
- 4
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Woodland International Research Group | Little Rock | Arkansas | 72211 | — |
| Woodland Research Northwest | Rogers | Arkansas | 72758 | — |
| St. Louis Clinical Trials | St Louis | Missouri | 63141 | — |
| Midwest Clinical Research Center | Dayton | Ohio | 45417 | — |
| Endeavor Clinical Trials | San Antonio | Texas | 78229 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04107779, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 27, 2020 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04107779 live on ClinicalTrials.gov.