Voice analysis for monitoring swallowing difficulties

Establishment of Voice Analysis Cohort for Development of Monitoring Technology for Dysphagia

Observational Seoul National University Hospital · NCT05149976

This study is testing a new way to monitor swallowing difficulties by analyzing voice recordings from people with and without dysphagia.

Quick facts

Study typeObservational
Enrollment300 (estimated)
SexAll
SponsorSeoul National University Hospital Academic / other
Locations1 site (Seongnam-si, Gyeonggi-do)
Trial IDNCT05149976 on ClinicalTrials.gov

What this trial studies

This observational study aims to collect data to develop a monitoring technique for dysphagia using voice analysis. It involves a prospective design where patients scheduled for a videofluoroscopic swallow study (VFSS) will record specific vocalizations. Additionally, a control group of individuals without dysphagia will also participate to provide comparative voice indicators. The recordings will be analyzed to assess the relationship between voice characteristics and swallowing function.

Who should consider this trial

Good fit: Ideal candidates include patients with dysphagia who are scheduled for VFSS testing and can perform specific voice recordings.

Not a fit: Patients who cannot speak or follow instructions for voice recording will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved monitoring and management of dysphagia, enhancing patient care.

How similar studies have performed: While voice analysis for dysphagia monitoring is a novel approach, similar studies in related fields have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with dysphagia and scheduled for VFSS testing
* Patients who can record voice such as "Ah for 5 seconds", "Ah. ah. ah", or "Um\~\~"
* Normal people (without dysphagia symptoms) who can record voice (additionally recruited for comparison of voice indicators with patients with dysphagia)

Exclusion Criteria:

* Patients who cannot speak.
* Patients who cannot speak according to the researcher's instructions.
* Patients whose VFSS test was reexamined

Where this trial is running

Seongnam-si, Gyeonggi-do

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Deglutition Disorders
Last reviewed 2026-06-13 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.