An observational study in Hearing, COVID - 19 and Ototoxicity, sponsored by Zonguldak Bulent Ecevit University. Completed at 1 site in Turkey (Türkiye). Open to participants aged 18 Years to 35 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-11-28.
Sponsored by Zonguldak Bulent Ecevit University · Observational
Investigation of the Impact of Medications Used in COVID-19 Treatment and COVID-19 Vaccine on Hearing
This study aims to investigate the impact of medications containing the active ingredients hydroxychloroquine and favipiravir on the auditory system, as well as to examine the effect of COVID-19 on hearing and its potential relationship with medication use and COVID-19 vaccine dose.
7,990 studies on the registry are indexed under COVID-19; 466 are open to participants now.
This study's enrollment of 90 is below the median of 268 across 3,208 observational studies indexed under COVID-19.
Browse COVID-19 studies →Zonguldak Bulent Ecevit University is the lead sponsor of 100 studies on the registry; 8 are open to participants now.
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Age between 18 and 35 For the Medication group: Having had COVID-19 and using COVID-19 medications For the Non-Medication group: Having had COVID-19 and not using COVID-19 medications For the Control group: Having never had COVID-19
Exclusion Criteria:
Previously diagnosed with hearing loss Use of ototoxic medications other than those specified Pathology detected during tympanometric evaluation or otoscopic examination Chronic disease Family history of hearing loss History of meningitis Neurological disorders Acute or chronic ear infection Admission to intensive care
Group that has not had Covid-19
Diagnostic Test: Hearing tests
The group that had Covid-19 and used medication
Diagnostic Test: Hearing tests
The group that had Covid-19 and did not use medication
Diagnostic Test: Hearing tests
Participants' pure tone thresholds, high frequency thresholds, and otoacoustic emissions measurements were evaluated.
Pure tone and high frequency hearing thresholds
Time frame: December, 2021-February 2022
Transient evoked otoacoustic emissions - Signal/noise ratio
Time frame: December, 2021-February 2022
Distortion product otoacoustic emissions- signal/noise ratio
Time frame: December, 2021-February 2022
Plan to share: No
No publications or documents are linked to this record.
Ran from Dec 2021 to primary completion in Feb 2022, 2 months.
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This study is completed, as verified in Nov 2025. You cannot join it, but the record below documents what was studied.
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