Characterization of Selected Aerosol Constituents Levels in the Exhaled Breath of Adult e-Vapor Users
Public ClinicalTrials.gov record NCT04881942. 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
Characterization of Selected Aerosol Constituents Levels in the Exhaled Breath of Adult e-Vapor Users During Use of Four e-Vapor Products
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is an open-label, 4-way crossover study designed to estimate the nicotine, glycerin, propylene glycol, menthol, formaldehyde, acetaldehyde, and acrolein levels in exhaled breath samples during use of four MarkTen® XL e-vapor products. The study will enroll approximately 32 adult e-vapor-using subjects at one site in the United States in High Point, NC.
Study identification
- NCT ID
- NCT04881942
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 35 participants
Conditions and interventions
Conditions
Interventions
- e-Vapor Product A Other
- e-Vapor Product B Other
- e-Vapor Product C Other
- e-Vapor Product D 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
- Mar 26, 2017
- Primary completion
- Apr 20, 2017
- Completion
- Jan 25, 2018
- Last update posted
- Jul 29, 2024
2017 – 2018
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| High Point Clinical Trials Center | High Point | North Carolina | 27265 | — |
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 NCT04881942, 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 29, 2024 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04881942 live on ClinicalTrials.gov.