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New software aims to predict and prevent dangerous low blood pressure during major surgery

NCT ID NCT07510451

Disease control Sponsor: Poznan University of Medical Sciences 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jul 15, 2026 · Updated 3 times

Summary

This study tests a special software called the Hypotension Prediction Index (HPI) that helps doctors predict and prevent low blood pressure during major aortic surgery. The trial involves 200 adults undergoing elective open or endovascular abdominal aortic surgery expected to last over 2 hours. Researchers will compare the HPI-guided monitoring to standard advanced monitoring to see if it reduces the time patients spend with dangerously low blood pressure and lowers the risk of organ damage after surgery.

What this could mean

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

Active substance
Hypotension Prediction Index software
What this could lead to
If successful, this software could help doctors prevent dangerous drops in blood pressure during surgery, reducing complications.
What could go wrong
This is a single-center trial with 200 participants, so results may not apply to all hospitals or patients. The software may not significantly improve outcomes over standard monitoring.

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 200 people

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

Started

Apr 2026

Expected to finish

Jun 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 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. Age ≥ 18 years 2. American Society of Anesthesiologists (ASA) physical status classification III or IV 3. Scheduled for elective major abdominal aortic surgery (open or endovascular repair) with an expected surgical duration exceeding 2 hours 4. Able to provide written informed consent Exclusion Criteria: 1. Emergency or urgent surgery 2. Pregnancy or breastfeeding or positive/uncertain pregnancy test 3. Haemodynamically significant valvular heart disease: * Severe aortic stenosis (aortic valve area \< 1.5 cm\^2) * Moderate to severe aortic regurgitation * Moderate to severe mitral regurgitation * Moderate to severe mitral stenosis 4. Severe heart failure with left ventricular ejection fraction \< 35% 5. Permanent atrial fibrillation (reduces accuracy of pulse contour analysis) 6. Inability to provide informed consent 7. Participation in another interventional trial that may influence haemodynamic management or study outcomes

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Conditions

The condition(s) this trial relates to.

abdominal aortic aneurysm hypotensive disorder

As listed by the trial registrant

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

Elective endovascular abdominal aortic surgery with an expected surgical duration exceeding 2 hours Elective open abdominal aortic surgery with an expected surgical duration exceeding 2 hours

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

  • Department of Anesthesiology and Intensive Therapy

    RECRUITING

    Poznan, Poznań, 61-355, Poland

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