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Can fixing reflux fix your esophagus? new study investigates

NCT ID NCT05132816

Knowledge-focused Sponsor: Prof Urs Zingg Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether weak esophageal contractions (ineffective motility) improve after partial fundoplication surgery for gastroesophageal reflux. Researchers will perform high-resolution manometry 18-24 months after surgery in 100 patients who had weak contractions before surgery. The goal is to see if the surgery helps restore normal esophageal function.

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 study could show that reflux causes weak esophageal contractions, and that surgery may restore normal function, guiding better treatment decisions.
What could go wrong
This is a small, single-center study with no control group, so results may not apply to all patients. It only measures changes, not whether symptoms improve.

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 100 people

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

Started

Jan 2022

Expected to finish

Dec 2027

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

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: * Age older than 18 years * Ineffective esophageal motility disorder according the Chicago classification (7), defined as ≥ 7/10 (70%) of swallows with weak contraction (distal contraction interval (DCI) between 100mmHg/s/cm and less than 450 mmHg/s/cm) or ≥ 5/10 (50%) of swallows with failed peristalsis (DCI \<100mgHg/s/cm)Performance of partial fundoplication (180° anterior or 270° posterior) at Spital Limmattal * Informed Consent as documented by signature Exclusion Criteria: * Age under 18 years * Pregnancy * Normal preoperative esophageal motility * Other specifically defined esophageal motility disorders such as Nutcracker or Jackhammer esophagus * Preoperative presence of a hiatal hernia with migration of \>20% of stomach in the chest * Revisional surgery (after other procedures for reflux or at the hiatus)

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Conditions

The condition(s) this trial relates to.

digestive system disorder dyskinesia of esophagus gastroesophageal reflux disease upper digestive tract disorder

As listed by the trial registrant

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

Esophageal motility disorders Gastroesophageal reflux Upper gastrointestinal disorder

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

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • Spital Limmattal

    RECRUITING

    Schlieren, Canton of Zurich, 8952, Switzerland

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