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New device could make GERD diagnosis quicker and less painful

NCT ID NCT03103789

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing a new, less invasive device that measures the health of the esophagus in people with acid reflux (GERD). Researchers will compare two versions of the device in 75 patients undergoing routine endoscopy. The goal is to see if this technology can diagnose GERD more accurately and comfortably than current methods.

What this could mean

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

Active substance
mucosal impedance testing device
What this could lead to
If successful, this could provide a more accurate and less invasive way to diagnose GERD, potentially replacing more uncomfortable tests.
What could go wrong
This is an early-stage study with only 75 participants. The new device may not prove more accurate than existing methods, and results may not apply to all GERD 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.

Participants

About 75 people

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

Started

Apr 2014

Expected to finish

Aug 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.

Who is studied

Patients who are scheduled for endoscopic procedures (esophagogastroduodenoscopy (EGD)) by the principal investigator as part of their routine care and who do not meet any of the pre-defined exclusion criteria will be considered for participation in the study.

Ages

18 to 99 years

Sex

Anyone

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: * Patients who are undergoing standard of care EGD with or without BRAVO pH capsule placement Exclusion Criteria: * Age less than 18 years old * Patients unable to give informed consent * Use of acid suppressive therapy within last 10 days * Known history of Barrett's esophagus or gastric surgery, other than non-functioning (slipped) Nissen fundoplication

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Conditions

The condition(s) this trial relates to.

gastroesophageal reflux disease

As listed by the trial registrant

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

Gastro esophageal reflux

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 Endoscopy Laboratory

    Nashville, Tennessee, 37232, United States

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