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NCT Number: NCT07810855

Using Bedside Ultrasound to Understand Fluid Management in Patients With Chronic Liver Disease

The goal of this observational study is to see if repeated bedside ultrasound measurements of the lungs and abdomen as well as a blood vessel in the neck can be done in patients with advanced liver disease and ascites (fluid in the abdomen) on hospital wards and day case units. We will also learn about how patients view this test.

The main questions it will answer are:

How long does it take to do the measurements? How often are we able to get all the measurements we are trying to do? How do patients feel about having this test done?

For patients in the study this will involve:

Undergoing ultrasound scans of the neck, chest and abdomen on at least one occasion during hospital admission, and up to a maximum of five times in a day.

An extra blood test may be taken at the same time as usual blood tests taken during the hospital stay.

A brief questionnaire about their experience of having the test.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Participants must be capable of giving informed consent
  • Hospitalized patients with liver cirrhosis (of any cause) and clinically significant ascites
  • > 18 years of age

Exclusion criteria

  • patients receiving end of life care

Treatment and study plan

Ultrasound measurement

Diagnostic Test

Point-of-care ultrasound measurements of the IJV, IVC, thorax and abdomen performed at least once following recruitments and on up to three separate occasions in total during the first seven days of admission, with up to five measurements in total on each occasion.

Blood draw for the laboratory assessment

Diagnostic Test

A blood sample for research analysis may be taken at the same time as standard of care blood tests during the study.

Primary outcomes

  1. Technical success or failure of POCUS readings

    Time frame: From enrollment until the end of the POCUS readings period at 7 days

    The number of POCUS scans attempted that resulted in a recorded measurement

  2. Duration of POCUS readings

    Time frame: From enrolment until the end of the POCUS readings period at 7 days

    Time taken to perform each episode of POCUS during the study period, defined by the start and end times recorded in the case report form

  3. Patient acceptability

    Time frame: From enrollment until the end of the POCUS readings period at 7 days

    Structured feedback from participants on the acceptability of the POCUS readings via a questionnaire

Secondary outcomes

  1. Changes in POCUS measurements in response to fluid management interventions

    Time frame: From enrolment until the end of POCUS readings period at 7 days

    The delta of POCUS readings before and after fluid management interventions (intravenous fluid or albumin, diuretics, terlipressin or large volume paracentesis)

  2. Correlation of POCUS readings with clinical assessment

    Time frame: From enrolment until end of POCUS readings period (7 days)

    A descriptive analysis of how frequently baseline clinical assessments agreed with POCUS findings suggestive of hypovolaemia or hypervolaemia

  3. Correlation of POCUS readings with clinical outcomes

    Time frame: From enrolment until 90 days

    A descriptive analysis of POCUS parameters and predefined clinical outcomes (emergency readmission to hospital, renal dysfunction, fluid overload/pulmonary oedema, variceal bleeding, hepatic encephalopathy, other organ dysfunction/ACLF grade, ICU admission and death)

Sponsors and collaborators

Lead sponsor

Royal Free Hospital NHS Foundation Trust

Other

Collaborators

  • Royal Free Charity

Registry information

Official study title

POCUS Guided Fluid Resuscitation in Cirrhosis

Acronym: POCUS-C

Important dates

Study start
2026
Primary completion
2027
Study completion
2027
First posted
Sep 9, 2026
Registry last updated
Sep 9, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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