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Could a simple drug cut dangerous blood pressure swings in liver transplants?

NCT ID NCT04901169

Disease control Sponsor: University of California, San Francisco 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 drug called Angiotensin II can help control blood pressure during liver transplant surgery, reducing the need for other strong blood pressure medicines. It involves 50 adults with severe liver disease who are receiving a liver from a deceased donor. The goal is to see if this approach makes the surgery safer and more stable.

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

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

About 50 people

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

Started

Jun 2022

Expected to finish

Mar 2027

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: * Age \> or = 18 years * Liver transplantation from a deceased donor * Model for End-stage Liver Disease Sodium (MELD-Na) score \> or = 25 at the time of transplant (not counting MELD exception points) * Patient requiring \> 0.05 mcg/kg/min of norepinephrine (NE) during LT Exclusion Criteria: * Living-donor liver transplantation (LDLT) * Split liver transplantation (isolated right or left lobe) * Donation after cardiac death (DCD) without normothermic machine perfusion (NMP) * Acute liver failure (ALF) * Listed for or receiving simultaneous liver-kidney transplantation (SLKT) * Liver re-transplantation (patient who has previously received a liver transplant) * Preoperative treatment with angiotensin II receptor blocker or angiotensin converting enzyme inhibitor (within 48 h) * Portopulmonary hypertension * Left ventricular systolic dysfunction (defined as ejection fraction \< 45%) * Active bronchospasm at time of LT * History of thrombotic or embolic disease, inherited hypercoagulable disorder, or therapeutic anticoagulation * Portal vein thrombosis * Celiac stenosis * End-stage renal disease (chronic eGFR \< 15 mL/min/1.73 m2 or chronic RRT - not including AKI requiring RRT) * History of Raynaud's disease * Known history of allergy to synthetic human angiotensin II * Subject intubated and/or mechanically ventilated prior to entering OR for LT * Presence of other condition or abnormality that would compromise the safety of the patient or quality of the data

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Conditions

The condition(s) this trial relates to.

acute kidney injury chronic liver failure Fibrosis hypotensive disorder palsy Vasoplegia

As listed by the trial registrant

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

Liver transplant; complications Vasoplegia

Contacts and locations

Locations

  • University of California, San Francisco

    San Francisco, California, 94143, United States

More trials for these conditions

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