Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 2:04 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Healthy
Interventions
N95, KN95, KF94, Surgical
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed No phase listed Observational Accepts healthy volunteers Results available

Product Testing of the FaceView Mask™: Usability Survey

NCT04854694
Conditions
Hearing Disability
Interventions
FaceView Mask™, conventional surgical N95 respirator
Device
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Completed Not applicable Interventional Accepts healthy volunteers Results available

New Reusable Mask Design With Superior Filtration and Fit

NCT04826809
Conditions
Covid19, Tuberculosis, Respiratory Viral Infection
Interventions
N95 mask, Nordell single E-100 layer mask, Nordell double E-100 layer mask
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Mankato, Minnesota
Conditions
Healthy
Interventions
Surgical/Procedure Mask Fit Testing, KN95 Mask Fit testing
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina