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Dialysis study questions need for routine access checks

NCT ID NCT05906550

Knowledge-focused Sponsor: Maastricht University Medical Center 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether it is safe to stop regularly checking blood flow in the arm veins used for dialysis. Instead, doctors would only treat problems when they cause symptoms during dialysis. The goal was to see if this approach reduces the number of procedures and medical costs. The study involved 375 adults with kidney failure who were on dialysis.

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

375 people

The number who actually took part.

Started

Nov 2021

Finished

Dec 2025

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. Adult patients aged 18 years or older. 2. End-stage renal disease with unlikely recovery of kidney function according to the attending nephrologist. 3. Arteriovenous fistula or arteriovenous graft as hemodialysis vascular access that fulfills both of the following criteria at the time of trial enrollment: 1. Vascular access flow volume of at least 500mL/min; and 2. Functional vascular access: the vascular access was cannulated with 2 needles and achieved the prescribed access circuit flow in at least 6 dialysis sessions over the past 30 days. Patients who have single needle hemodialysis for reasons other than vascular access dysfunction (e.g. for nocturnal hemodialysis) but who can be cannulated with 2 needles for flow measurements and fulfill the other requirements for a functional vascular access can be enrolled as well. 4. Planning to remain in one of the participating dialysis centers for at least 1 year. Exclusion Criteria: 1. Arteriovenous fistulas with multiple venous outflow paths upstream of the cannulation sites, that are not suitable for flow volume measurements using ultrasound dilution (e.g. Gracz fistulas and Ellipsys or WavelinQ endovascular fistulas). 2. Home hemodialysis. 3. Thrombosis of the current vascular access in the past year. 4. Planned access-related intervention. 5. Living donor kidney transplantation, switch to peritoneal dialysis, or switch to home hemodialysis planned within 6 months. 6. Life expectancy of less than 6 months, in the opinion of the attending nephrologist. 7. Unable to provide informed consent.

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Conditions

The condition(s) this trial relates to.

end stage renal failure

As listed by the trial registrant

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

Dialysis access malfunction Hemodialysis access failure Hemodialysis fistula thrombosis Vascular access malfunction

Contacts and locations

Locations

  • Bravis Ziekenhuis

    Roosendaal, Netherlands

  • Deventer Ziekenhuis

    Deventer, Netherlands

  • Diapriva - Dialyse Centrum Amsterdam

    Amsterdam, Netherlands

  • Franciscus Gasthuis & Vlietland

    Rotterdam, Netherlands

  • Isala Klinieken

    Zwolle, Netherlands

  • Leids Universitair Medisch Centrum

    Leiden, Netherlands

  • Maastricht UMC+

    Maastricht, Netherlands

  • Maxima Medisch Centrum

    Veldhoven, Netherlands

  • Medisch Spectrum Twente

    Enschede, Netherlands

  • OLVG

    Amsterdam, Netherlands

  • Spaarne Gasthuis

    Haarlem, Netherlands

  • Universitair Medisch Centrum Utrecht

    Utrecht, Netherlands

  • Zuyderland Medisch Centrum

    Heerlen, Netherlands

More trials for these conditions

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