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New swallowing test may spot hidden causes of dysphagia

NCT ID NCT01284894

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

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
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Status unknown
This status has not been confirmed recently, so it may be out of date.

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.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

247 people

The number who actually took part.

Start date

Feb 2011

Finished

Dec 2013

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male or female older than 18 years * Patient with unexplained dysphagia * Patient without cause of dysphagia on eso-gastro-duodenal endoscopy * Patient referred for esophageal manometry * Patient with health insurance * Informed consent signed Exclusion Criteria: * Patient younger than 18 years * Allergy to one component of manometry catheter * Drug intake which can modify the esophageal motricity within 12 hours preceding the realization of the manometry * Patient unable to give his consent or legally incompetent * Patient non qualified according to the investigator * Patient refusal or absence of informed consent signed * Concomitant participation to another study

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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

Locations

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

    Lyon, Lyon, 69437, France

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