New swallowing test may spot hidden causes of dysphagia

NCT ID NCT01284894

Completed Diagnosis Sponsor: Hospices Civils de Lyon Source: ClinicalTrials.gov ↗

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

Summary

This study tested whether a newer, high-resolution swallowing test (high-resolution manometry) is better than the standard test (conventional manometry) at diagnosing the cause of swallowing problems in 247 adults with unexplained dysphagia. Participants underwent both tests to see which one identified more motility disorders and was more comfortable. The goal is to improve diagnosis for people whose swallowing issues remain unexplained after a normal endoscopy.

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 high-resolution manometry proves better, it could become the standard test for diagnosing swallowing disorders, leading to more accurate and faster diagnoses.
What could go wrong: This is a completed diagnostic study, not a treatment trial. Even if one method is better, it only improves diagnosis, not the underlying condition. Results may not apply to all patients.

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.

DYSPHAGIA

Contacts and locations

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Locations

Unité d'Exploration Fonctionnelle Digestive - Hopital Edouard Herriot - 69437 LYON Cedex 03

Lyon, Lyon, 69437, France

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