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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: changing ear canal pressure Clear all
Completed Phase 1 Interventional

Intervention for Reduced Sound Tolerance

NCT00890526
View directory record Official record
Conditions
Hyperacusis
Interventions
Sound Therapy (Tinnitus Retraining Therapy), Counseling (Tinnitus Retraining Therapy), No Counseling, Placebo Sound Therapy
Other
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 20, 2012 · Synced Sep 21, 2026, 5:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Tubomanometry and EarPopper Devices for Eustachian Tube Function Testing

NCT03850197
View directory record Official record
Conditions
Eustachian Tube Dysfunction
Interventions
EarPopper, Tympanometry, Tubomanometry
Device
Lead sponsor
Cuneyt M. Alper
Other
Eligibility
5 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 21, 2026, 5:26 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Gas Supply, Demand and Middle Ear Gas Balance -- Diagnosis of Eustachian Tube Dysfunction

NCT01974726
View directory record Official record
Conditions
Eustachian Tube Dysfunction
Interventions
ET Stress test, Sonotubometry, Forced Response Test (FRT), Inflation Deflation Test (IDT), Maneuver Sequence, 9-Step Test, Tubomanometry, Videoendoscopic assessment of ETF, Pressure chamber ET test
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
3 Years to 70 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 21, 2026, 5:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Functional Manifestations of Pressure Changes in the Middle Ear System

NCT01932736
View directory record Official record
Conditions
Middle-ear Function
Interventions
changing ear canal pressure
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 35 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 19, 2016 · Synced Sep 21, 2026, 5:26 AM EDT