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Completed Not applicable Interventional Accepts healthy volunteers

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

ClinicalTrials.gov ID: NCT04107779

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.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:28 AM EDT

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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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

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 17, 2019 (Actual)
Primary completion
Feb 17, 2020 (Actual)
Completion
Jun 24, 2020 (Actual)
Last update posted
Jul 28, 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 28, 2020 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04107779 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →