Your voice could diagnose swallowing disorders – no X-Rays needed

NCT ID NCT05439447

Completed Diagnosis Sponsor: Seoul National University Hospital Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study from Seoul National University Hospital tested whether voice recordings and throat sensors can detect swallowing problems (dysphagia). Researchers collected voice samples from 259 adults before and after swallowing, comparing them with standard X-ray tests. The goal is to develop a non-invasive, machine-learning tool for diagnosis and monitoring, potentially replacing more uncomfortable procedures.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this could lead to a simple, non-invasive voice-based test to help diagnose swallowing disorders without the need for X-ray exams.
What could go wrong: This is an early data-collection study, not a treatment trial. The voice analysis method may not prove accurate enough for clinical use.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Deglutition Disorders

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

DEGLUTITION DISORDERS

Contacts and locations

Locations

Department of Rehabilitation Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine

Seongnam-si, Gyeonggi-do, 463-707, South Korea

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