Gas Supply, Demand and Middle Ear Gas Balance -- Diagnosis of Eustachian Tube Dysfunction
Public ClinicalTrials.gov record NCT01974726. 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
Gas Supply, Demand and Middle Ear Gas Balance -- Project 1, Specific Aim 4, Protocol 3
Study identification
- NCT ID
- NCT01974726
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- University of Pittsburgh
- Other
- Enrollment
- 95 participants
Conditions and interventions
Conditions
Interventions
- ET Stress test Other
- Sonotubometry Other
- Forced Response Test (FRT) Other
- Inflation Deflation Test (IDT) Other
- Maneuver Sequence Other
- 9-Step Test Other
- Tubomanometry Other
- Videoendoscopic assessment of ETF Other
- Pressure chamber ET test Other
Other
Eligibility (public fields only)
- Age range
- 3 Years to 70 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
- Sep 30, 2013
- Primary completion
- Jun 26, 2019
- Completion
- Jun 26, 2019
- Last update posted
- Oct 7, 2020
2013 – 2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Pittsburgh Middle Ear Physiology Laboratory | Pittsburgh | Pennsylvania | 15213 | — |
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 NCT01974726, 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 Oct 7, 2020 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01974726 live on ClinicalTrials.gov.