Clinical trial Recruiting at 1 site Observational Ages 20 to 100

Cohort of patients with sudden sensorineural hearing loss

Official title: Prospective Cohort Study of Sudden Sensorineural Hearing Loss in Wonju Severance Christian Hospital

Run by Wonju Severance Christian Hospital · NCT05474963 · Data updated 2026-11-12

This study is tracking patients with sudden hearing loss to see how well different treatments help them recover over time.

More Sudden Hearing Loss trials

Quick facts

Study typeObservational
Ages20 Years to 100 Years
SexAll
Enrollment1000 (estimated)
SponsorWonju Severance Christian Hospital
Academic / other
Locations1 site (Wŏnju, Gangwon-do)
StatusRecruiting
StartedJuly 14, 2021
Main results expectedDecember 31, 2031
Study endsDecember 31, 2035
Registry record updatedMarch 26, 2025
Trial IDNCT05474963 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults over 20 years old diagnosed with sudden hearing loss of 30dBHL or more within three days.

Probably not a fit

Patients with suspected inner ear diseases or those who do not consent to participate may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to create a cohort of patients diagnosed with sudden sensorineural hearing loss (SSNHL) at Wonju Severance Christian Hospital. Patients will be evaluated based on their hearing loss diagnosis confirmed through pure tone audiometry and will be monitored for their recovery status, timing, and degree of recovery. The study will track patients who receive various treatments, including cocktail therapy with or without steroids and other interventions. The goal is to gather data that may help understand the recovery patterns in SSNHL patients.

Why it matters

Potential benefit: If successful, this study could enhance understanding of treatment efficacy and recovery patterns in patients with sudden sensorineural hearing loss.

How similar studies have gone: While there have been studies on SSNHL, this cohort approach focusing on recovery tracking is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult patients over 20 years of age
* A patient who visited Wonju Severance Christian Hospital, Department of Otolaryngology and was diagnosed with sudden hearing loss as it was confirmed that hearing loss of 30dBHL or more occurred within 3 days at three consecutive frequencies in a pure tone audiometry test.
* Those who have fully explained the purpose and content of the study and voluntarily agreed to the written consent

Exclusion Criteria:

* If the patients do not want to or do not fill out the consent form
* If treatment is started for sudden hearing loss, but the possibility of other inner ear diseases including Meniere's disease is suspected due to repeated hearing loss, repeated recovery, dizziness, tinnitus, etc.
* Other cases where it is judged difficult to carry out the clinical trial due to the judgment of the person in charge of the above clinical trial

Where it's running

  • Yonsei University Wonju Severance Christian Hospital
    Wŏnju, Gangwon-do, South Korea
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.