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ClinicalTrials.gov public records Last synced Oct 20, 2026, 2:27 PM EDT

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Filters: Intervention: Tweak Focus Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of PSAPs in Different Maskers

NCT03704142
View directory record Official record
Conditions
Auditory Perception
Interventions
Sound World Solutions CS50+, Tweak Focus, IQ Earbuds, Bose Hearphones
Device
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
45 Years to 64 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Amherst, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 20, 2026, 2:27 PM EDT