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Can ultrasound predict which dialysis access will work?

NCT ID NCT04141358

Diagnosis Sponsor: Imperial College London Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 advanced ultrasound techniques can predict if an arteriovenous fistula (AVF) will work for dialysis in people with end-stage kidney disease. Researchers measured artery stiffness and blood flow in 76 patients before and after AVF surgery. The goal was to see if these measurements could identify fistulas that would mature and function well for dialysis.

What this could mean

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

Active substance
advanced ultrasound measurements
What this could lead to
If successful, this could help doctors predict which fistulas will work for dialysis, reducing failed surgeries and improving patient outcomes.
What could go wrong
This is a small, completed observational study. The ultrasound techniques may not prove reliable enough for routine clinical use, and results may not apply to all patients.

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

76 people

The number who actually took part.

Started

Nov 2021

Finished

Apr 2024

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

Patients selected for this protocol must have the necessity to undergo surgery to receive an Arterio-Venos Fistula (AVF) for hemodialysis in either arm.

Ages

18 to 90 years

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: * \>18 years age * \<90 years age * End stage renal disease * Glomerular filtration rate \< 30 ml/min/1.73m2 Exclusion Criteria: * \<18 years age * \> 90 years age * \< 2cm vein diameter * Not end-stage renal disease * Pregnant patients will not be recruited in this study. Patients pregnancy status will be assessed on initial enrolment to exclude them from the study. * Those unable to provide consent. * Anyone who is taking part in any other research. * Potential participants who might not adequately understand verbal explanations or written information given in English, or who have special communication needs will not be included

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome congenital arteriovenous fistula end stage renal failure kidney failure

As listed by the trial registrant

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

Chronic kidney diseases End stage renal diseases Renal failure

Contacts and locations

Locations

  • Imperial College London

    London, w12 0hs, United Kingdom

More trials for these conditions

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