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Surgeons test artificial valve to stop diarrhea after colon cancer removal

NCT ID NCT07167420

Disease control Sponsor: Army 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests a new surgical procedure called RISE that rebuilds the ileocecal valve during right colon cancer surgery. Normally, removing this valve can cause diarrhea and malnutrition. The trial will randomly assign 188 patients to either receive the valve reconstruction or standard surgery. Researchers will compare how quickly patients form solid stools and track complications to see if the reconstruction helps.

What this could mean

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

Active substance
RISE ileocecal valve reconstruction (a surgical procedure)
What this could lead to
If it works, this could reduce chronic diarrhea and malnutrition after right colon cancer surgery, improving quality of life.
What could go wrong
This is an early-stage trial with only 188 participants. The added surgical step may increase operation time or complications, and long-term benefits are not yet proven.

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 188 people

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

Expected to start

Oct 2025

An estimate. Start dates often move.

Expected to finish

Oct 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 80 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: * Subjects aged 18-80 years; * ASA score ≤ 3; * Patients newly diagnosed with tumors located in the appendix, ileocecal region, ascending colon, hepatic flexure of the colon, or the right one-third of the transverse colon, or those scheduled to undergo laparoscopic radical right hemicolectomy; * No history of other gastrointestinal diseases (except for intestinal polyps or gallstones); * Willing to participate in the study and sign the informed consent form; * Complete clinical data available. Exclusion Criteria: * Presence of other malignant tumors in different organs; * Tumor invasion into adjacent organs; * Patients with concurrent infectious diseases or autoimmune diseases (e.g., Crohn's disease); * Patients with congenital or acquired metabolic disorders; * Use of antibiotics or other microbiota-altering medications within one month prior to enrollment; * Changes in surgical plan resulting in the resection not including the ileocecal valve.

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Conditions

The condition(s) this trial relates to.

ascending colon cancer

As listed by the trial registrant

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

Right-sided colon cancer

How to take part

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  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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