Biomarkers of Exposure and Biomarkers of Potential Harm in Adult Smokers Who Completely Switch to E-vapor Products
Public ClinicalTrials.gov record NCT04800211. 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
An Open-Label, Parallel-Group, Controlled Study to Evaluate Changes in Biomarkers of Cigarette Smoke Exposure and Biomarkers of Potential Harm in Adult Smokers Who Completely Switch to Using e-Vapor Products for 24 Weeks
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study was to estimate changes in biomarkers of exposure (BoE) and biomarkers of potential harm (BoPH) in adult cigarette smokers (AS) who switched to using an e-vapor product (EVP) relative to adult smokers who continue smoking exclusively.
Study identification
- NCT ID
- NCT04800211
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 450 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 30 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
- Jan 16, 2017
- Primary completion
- Jul 19, 2018
- Completion
- Nov 5, 2018
- Last update posted
- Mar 11, 2025
2017 – 2018
United States locations
- U.S. sites
- 10
- U.S. states
- 9
- U.S. cities
- 10
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| LA Clinical Trials | Burbank | California | 91505 | — |
| Heartland Research Associates, LLC | Wichita | Kansas | 67207 | — |
| Central Kentucky Research Associates | Lexington | Kentucky | 40509 | — |
| DaVita Clinical Research | Minneapolis | Minnesota | 55404 | — |
| QPS Bio-Kinetic | Springfield | Missouri | 65802 | — |
| Celerion | Lincoln | Nebraska | 68502 | — |
| Clinical Research Consortium | Las Vegas | Nevada | 89119 | — |
| High Point Clinical Trials Center | High Point | North Carolina | 27265 | — |
| Rose Research Center, LLC | Raleigh | North Carolina | 27617 | — |
| New Orleans Center for Clinical Research | Knoxville | Tennessee | 37920 | — |
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 NCT04800211, 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 Mar 11, 2025 · Synced Sep 7, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04800211 live on ClinicalTrials.gov.