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Zapping nerves for a cleaner colon: new study tests painless prep aid

NCT ID NCT07290816

Symptom relief Sponsor: Shanghai East Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a non-invasive nerve stimulation device can improve the quality of bowel cleansing before a colonoscopy. About 270 adults scheduled for colonoscopy will receive either the real stimulation or a sham treatment. The goal is to see if this approach leads to better bowel prep, higher polyp detection, and fewer side effects.

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 270 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Mar 2028

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 to 78 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: * 18 to 78 years of age, male or female; * Intended to undergo diagnostic, screening, or surveillance colonoscopy; * Signed written informed consent. Exclusion Criteria: * Severe cardiac, cerebral, pulmonary, or renal complications or a history of acute cardiac infarction within six months; * High risk factors for bowel preparation such as history of colon surgery, BMI ≥ 28, inflammatory bowel disease, constipation (less than 3 bowel movements in the last week, and with straining to defecate, with hard stools and small amount of stools) or bowel obstruction; * High suspicion of colorectal cancer by auxiliary examination or early warning signs and symptoms of colorectal cancer: blood in stool, black stool, unexplained anemia, significant weight loss, abdominal mass and positive rectal fingerprinting; * The presence of surgical incisions or scars in the area where the electrostimulation treatment tablets are pasted, or near the ST36 acupoints on both legs; * Are participating in other clinical observation trials or have participated in other clinical trials within 30 days.

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Conditions

The condition(s) this trial relates to.

intestinal polyp

As listed by the trial registrant

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

Intestinal polyps

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

  • Shanghai East Hospital

    Shanghai, China

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