Status:
COMPLETED
Gas Supply, Demand and Middle Ear Gas Balance: Specific Aim 3c
Lead Sponsor:
University of Pittsburgh
Collaborating Sponsors:
National Institute on Deafness and Other Communication Disorders (NIDCD)
Conditions:
Healthy
Eligibility:
All Genders
18-50 years
Brief Summary
This study will determine if gas can pass between the environment and the middle ear by way of the eardrum. This route of gas exchange was observed in animals but has not been studied in humans. If ga...
Detailed Description
Middle-ear (ME) pressure is a measure of the number of contained gas moles, and processes that addd or remove gas moles from the relatively fixed volume ME cavity change its pressure. Experimental res...
Eligibility Criteria
Inclusion
- 18-50 years old
- at least one intact and effusion-free middle ear
Exclusion
- bilateral otitis media
- unable to remain relaxed and quiet for up to 2 hours
Key Trial Info
Start Date :
June 1 2007
Trial Type :
OBSERVATIONAL
End Date :
February 1 2009
Estimated Enrollment :
45 Patients enrolled
Trial Details
Trial ID
NCT00422851
Start Date
June 1 2007
End Date
February 1 2009
Last Update
November 13 2017
Active Locations (1)
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1
ENT Research Center Children's Hospital of Pittsburgh
Pittsburgh, Pennsylvania, United States, 15213