Doctors peek inside the ear to solve a hearing mystery
NCT ID NCT07431125
First seen Jun 27, 2026 · Last updated Jul 24, 2026 · Updated 1 time
Summary
This study looks at 20 adults with hearing loss in one ear but a normal-looking eardrum. Doctors want to see how often their best guess about the cause matches what they find during a small ear surgery. The goal is to improve diagnosis and treatment for this tricky condition.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * unilateral conductive hearing loss or mixed HL with intact Tympanic Membrane * Average Airborne Gap Above 20 decibels Exclusion Criteria * Sensorineural hearing loss * Chronic otitis media * TM perforation * Previous ear surgery
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Alazhar university Hopital in Assiut
RECRUITINGAsyut, Asyut Governorate, 17511, Egypt