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Acupoint zaps may stop stomach acid during surgery

NCT ID NCT07338448

Symptom relief Sponsor: Air Force Military Medical University, China 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether gentle electrical stimulation on acupoints can reduce stomach acid backing up into the throat during general anesthesia with an i-gel breathing tube. About 116 adults having surgery will be randomly assigned to receive the stimulation or no stimulation. The goal is to see if this simple, non-drug approach can lower the risk of acid reflux and related side effects like nausea after surgery.

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 116 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Jul 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

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 ≥18 years old * scheduled for surgery under general anesthesia with igel ventilation Exclusion Criteria: * American society of anesthesiologists status higher than grade 3 * history of gastrointestinal surgery * Currently taking acidic medications, or medications that affect gastric acid secretion or gastrointestinal motility * High risk of reflux or aspiration (e.g., symptomatic gastroesophageal reflux disease or hiatal hernia) * History of postoperative nausea and vomiting (PONV) * Intraoperative requirement of Trendelenburg position * Expected surgery duration exceeding 4 hours * Contraindications for acupoint electrical stimulation, such as patients with implanted electrophysiological devices, or skin infection/lesions at acupoint sites

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Conditions

The condition(s) this trial relates to.

gastroesophageal reflux disease IgE responsiveness, atopic

As listed by the trial registrant

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

Anesthesia

How to take part

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

  1. 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 ↗

  2. A doctor treating you

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