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Ultrasound quality: experts aim to standardize liver imaging

NCT ID NCT07656181

Knowledge-focused Sponsor: University of Bern 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 22, 2026 · Updated 3 times

Summary

This study gathers international experts to agree on what makes a high-quality contrast-enhanced ultrasound (CEUS) of the liver. Using a Delphi process, they will rate and refine quality indicators. The goal is to create a standardized tool for assessing image quality, improving consistency in diagnosis and research.

What this could mean

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

Active substance
SonoVue® contrast agent
What this could lead to
If successful, this could lead to standardized quality criteria and a rating tool for liver CEUS exams, helping doctors get clearer and more reliable images.
What could go wrong
This is a small expert consensus study (35 participants), not a clinical trial testing a treatment. The results may not be widely adopted or may need further validation.

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

About 35 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 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.

Who is studied

The study population consists of internationally recognised CEUS experts from radiology and internal medicine with extensive clinical and scientific experience in ultrasound diagnostics. Participants are recruited from multiple countries to form an interdisciplinary expert panel. Inclusion requires expertise comparable to DEGUM Level III, including substantial ultrasound experience, regular performance of CEUS examinations, and involvement in CEUS training and/or research. Approximately 35 experts will be invited for the first Delphi round, with at least 20 expected to complete all rounds. The purposive sampling approach ensures a highly specialised panel aimed at achieving expert consensus rather than statistical representativeness.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * At least 6 years of active experience in ultrasound diagnostics in internal medicine, radiology, or a related clinical field * Independent performance of at least 5,000 ultrasound examinations Participation in structured CEUS training * Performance of at least 800 ultrasound examinations per year in routine clinical practice * Either: at least 100 independently performed CEUS examinations per year or more than 700 CEUS examinations in total * Regular participation in ultrasound-related meetings, case reviews, or quality assurance activities within their institution * Scientific involvement in CEUS, demonstrated by at least one peer-reviewed publication and/or active engagement in CEUS education or training * Signing the consent form of the participants Exclusion Criteria: * Failure to meet the inclusion criteria

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Conditions

The condition(s) this trial relates to.

liver disorder

As listed by the trial registrant

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

Contrast enhanced ultrasound LIVER Ultrasonic diagnosis

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

  • University of Bern

    RECRUITING

    Bern, Canton of Bern, 3007, Switzerland

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