Which germs drive a severe ear infection? a new study aims to find out
NCT ID NCT07790679
First seen Aug 27, 2026 · Last updated Aug 28, 2026 · Updated 1 time
Summary
This study will collect ear swabs from 40 people with malignant otitis externa, a severe infection of the ear canal that mainly affects people with diabetes or weakened immune systems. Researchers will culture the samples to identify the bacteria and fungi causing the infection and test which antibiotics can kill them. The goal is to map the most common germs and their resistance patterns so doctors can choose more effective treatments.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Ear swab for bacterial and fungal culture and antibiotic susceptibility testing
- What this could lead to
- If this works, doctors could choose more effective antibiotics for malignant otitis externa, reducing treatment failures and complications.
- What could go wrong
- This is a small, single-center diagnostic study. It may not reflect pathogen patterns elsewhere, and it does not test any treatment directly.
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.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Oct 2027
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.
Who is studied
Patients diagnosed with Malignant Otitis Externa presenting to the ENT department at Sohag University Hospitals
- 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: * Patients clinically diagnosed with MOE based on severe otalgia, external auditory canal inflammation ± granulation tissue. * Patients with risk factors such as DM, Immunocompromised patients. Exclusion Criteria: * Post-operative ear cases (recent ear surgery). * Patients with external auditory canal tumors. * Patient refusal
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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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Sohag University Hospitals
RECRUITINGSohag, Sohag Governorate, 82524, Egypt
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