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No more tubes? new test uses stickers and magnets to spot swallowing issues

NCT ID NCT04074356

Diagnosis Sponsor: Vanderbilt University Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 This study
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
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 Results may not be published yet.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
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Sep 11, 2026 · Updated 2 times

Summary

This study tests two new, non-invasive ways to diagnose swallowing disorders (dysphagia) using skin electrodes and a magnetic sensor instead of a tube inserted through the nose. Researchers will compare these methods to the standard tube-based test in 90 adults. The goal is to see if the new techniques can reliably tell normal swallowing from conditions like achalasia.

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 diagnostic test for swallowing problems, replacing uncomfortable tube-based procedures.
What could go wrong
This is an early-stage study with only 90 participants, so the results may not apply to everyone. The new methods may not be accurate enough to replace current tests.

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

About 90 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2019

Expected to finish

Sep 2026

An estimate. End dates often move.

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

Accepted

You do not need to have the condition being studied to take part.

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: * Adults ≥ 18 years of age who are undergoing HRM for routine standard of care evaluation for esophageal motility. * Normal control participants (ages ≥ 18 years) who have no known gastrointestinal complications. Exclusion Criteria: * Those with claustrophobia who cannot lie still under the SQUID for the length of time required * Due to interference with signal acquisition, subjects with contraindication to undergoing an MRI scan as noted in the MRI Safety checklist by Vanderbilt University Medical Center (such as with heart pacemakers, metal implants, or metal chips or clips) will not undergo SQUID, but can still be eligible to do cutaneous EESG. * Morbid obesity (these patients are potentially unable to lie under the current generation of SQUID devices) * Patients with a history of cardiac arrhythmias or taking anticoagulants will be excluded

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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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Vanderbilt University Medical Center

    Nashville, Tennessee, 37232, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.