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The Wideband Acoustic Immittance Data in Thai Normal Hearing and Conductive Hearing Loss Adults | Clinical Trials | Clareo Health

ENROLLING_BY_INVITATION

The Wideband Acoustic Immittance Data in Thai Normal Hearing and Conductive Hearing Loss Adults

NCT06251817•Khon Kaen University

View on ClinicalTrials.gov

Summary

The goal of this descriptive study is to collect the wideband immittance data in Thai normal hearing and conductive hearing loss adults. The main questions it aims to answer are: 1. What is normative data of wideband acoustic immittance in Thai normal hearing adults 2. What is the wideband acoustic immittance data in Thai conductive hearing loss who have type A, AS and Ad tympanogram Participants will examine hearing tests consequently * pure tone audiometry * Tympanometry with ipsilateral acoustic reflex * Wideband acoustic immittance

Eligibility

Age

18 - 59 years

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•Normal group
•1. Thai adults (18-60 years old)
•2. Pure-tone air-conduction thresholds ≤ 25 dB HL, measured at audiometric frequencies 250, 500, 1000, 2000, 3000, 4000, 6000 and 8000 Hz and air-bone gab \< 10 dBHL at frequencies 500, 1000, 2000 and 4000 Hz
•3. Type A tympanogram with present ipsilateral acoustic reflex
•4. No diagnosis of middle ear disease
•5. No history of middle ear surgery
•6. Normal finding in otoscopic examination
•Conductive hearing loss group
•1. Thai adults (18-60 years old)
•2. Pure-tone air-conduction thresholds \> 25 dB HL, measured at audiometric frequencies 250, 500, 1000, 2000, 3000, 4000, 6000 and 8000 Hz and air-bone gab \> 10 dBHL at frequencies 500, 1000, 2000 and 4000 Hz at least 2 frequencies in one ear
+3 more criteria

Exclusion Criteria

•1. Have previously had middle ear surgery
•2. Have an earache
•3. Type B or C tympanogram
•4. Volunteers who do not cooperate in audiometry test or unable to do audiometry test

Locations (1)

Department of otolaryngology

Khon Kaen, Thailand

Key Dates

Start Date

February 5, 2024

Primary Completion Date

October 5, 2025

Completion Date

February 26, 2026

Last Updated

July 26, 2024

Enrollment

290

ESTIMATED participants

Conditions

Normal HearingConductive Hearing Loss, Middle Ear

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: July 26, 2024Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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The Wideband Acoustic Immittance Data in Thai Normal Hearing and Conductive Hearing Loss Adults

Inclusion Criteria

Exclusion Criteria

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