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Scientists probe nerve signals during stomach stimulation

NCT ID NCT02159586

Knowledge-focused Sponsor: Indiana University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Updated 1 time

Summary

This study looks at how a device that electrically stimulates the stomach (gastric electrical stimulation) affects the vagus nerve and heart in people with gastroparesis, a condition where the stomach empties slowly. Researchers will measure heart rate variability and hormone levels while the stimulator is on and off. The goal is to understand the nerve pathways involved, not to test a new treatment.

What this could mean

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

Active substance
gastric electrical stimulator
What this could lead to
If successful, this could help explain how gastric stimulation affects the nervous system, potentially guiding better treatments for gastroparesis.
What could go wrong
This is an observational study focused on nerve signals, not a treatment trial. It may not lead directly to new therapies, and results are still being analyzed.

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 300 people

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

Started

Nov 2012

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.

Who is studied

This study will evaluate male and female patients at least 18 years of age, with gastroparesis, who will or have already undergone the implantation of a GES device (Enterra, Medtronic, Minneapolis, MN)

Ages

18 to 90 years

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: * At least 18 years of age. * Documented diagnosis of gastroparesis. * Will undergo implantation of a GES device or already has a GES device implanted Exclusion Criteria: * Pregnancy * History of allergic reaction to EKG lead placement adhesives. * unable to give informed consent

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Conditions

The condition(s) this trial relates to.

gastroparesis Nausea Vomiting

As listed by the trial registrant

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

Gastroparesis

Contacts and locations

Locations

  • Indiana University Hospital

    Indianapolis, Indiana, 46202, United States

More trials for these conditions

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