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Leg pulse monitor may spot bleeding during gut scope

NCT ID NCT06441201

Diagnosis Sponsor: Mayo Clinic 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether measuring pulse volume in the leg can help doctors detect active bleeding during an endoscopy for gastrointestinal bleeding. Researchers used a non-invasive pulse flowmeter on 13 adults undergoing emergency endoscopy. The goal was to see if changes in pulse volume could predict active bleeding or high-risk signs.

What this could mean

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

What this could lead to
If this approach works, it could give doctors a non-invasive way to spot active bleeding during endoscopy.
What could go wrong
This was a very small, early feasibility study with only 13 participants. The method may not be accurate enough for routine use.

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

13 people

The number who actually took part.

Started

Jun 2024

Finished

Sep 2025

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

Subjects undergoing emergent endoscopic evaluation for active gastrointestinal bleeding at Mayo Clinic, Rochester, Minnesota.

Ages

18 years and older

Sex

Anyone

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: \- Adults (age \>18yr) undergoing emergent endoscopy for active GI bleeding. Exclusion Criteria: * Patients with pre-existing heart failure (ejection fraction \<40%), cardiac rhythm abnormalities and peripheral vascular disease. * Patients with underlying implanted cardiac electrical devices and spinal cord stimulators.

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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.

Gastrointestinal bleeding

Contacts and locations

Locations

  • Mayo Clinic Minnesota

    Rochester, Minnesota, 55905, United States

More trials for these conditions

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