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Clip or coil? new study tests best way to stop stomach bleeding

NCT ID NCT04902248

Disease control Sponsor: Chinese University of Hong Kong 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two procedures for people whose upper stomach bleeding continues after initial treatment. One uses an endoscope to place a special clip on the bleeding spot; the other uses X-ray guidance to inject tiny coils into the bleeding artery. The trial will enroll 236 adults and track whether bleeding stops, how much blood is needed, and hospital stay length.

What this could mean

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

Active substance
over-the-scope clip (OTSC) device
What this could lead to
If successful, this could show that using an endoscopic clip is as effective as embolization for stopping stubborn stomach bleeding, potentially offering a less invasive first option.
What could go wrong
This is a relatively small, early-stage comparison. The two methods may prove equally effective, or one may be clearly better. Bleeding can still recur, and both procedures carry risks like infection or injury.

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 236 people

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

Started

Nov 2021

Expected to finish

Nov 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: * 1\. Patients presented with overt signs of acute upper gastrointestinal bleeding (hematemesis, melena and/or hypotension) 2. documented bleeding lesion at endoscopy (ulcer, dieulafoy's lesion and others), further bleeds (persistent or recurrent) after endoscopic hemostasis (thermal or hemoclips) as defined by an International Consensus Group Exclusion Criteria: 1. without a full informed consent from the patient or his next of kin 2. Age \<18 years 3. Pregnant 4. Lactating women 5. patients with known allergy to intravenous contrast

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Conditions

The condition(s) this trial relates to.

Gastrointestinal Hemorrhage

As listed by the trial registrant

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

Upper gastrointestinal bleeding

How to take part

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

  1. The places running it

    5 sites in 3 countries. 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

  • Beijing friendship Hospital

    RECRUITING

    Beijing, Beijing Municipality, China

  • Endoscopy Centre, Prince of Wales Hospital

    RECRUITING

    Hong Kong, N.T., Hong Kong

  • Huaxi Hospital of Sichuan University

    RECRUITING

    Chengdu, Sichuan, China

  • King Chulalongkorn Memorial Hospital

    RECRUITING

    Bangkok, Bangkok, Thailand

  • the First Affiliated Hospital of Nanchang University

    RECRUITING

    Nanchang, Jiangxi, China

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