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Biobank study aims to uncover hidden changes in dialysis Patients' abdominal tissue

NCT ID NCT01893710

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study collects small tissue samples from the abdomen of children and adults undergoing peritoneal dialysis (a type of kidney treatment). The goal is to learn how the lining of the belly changes over time with dialysis. Researchers will also take samples from healthy people having routine surgery for comparison. The study does not involve any new treatment—it only observes and measures changes in the tissue.

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 500 people

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

Started

Feb 2011

Expected to finish

Dec 2028

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

See eligibility data

Ages

1 day 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 * Age 0 to 90 years * CKD 5D, peritoneal dialysis and * Patients with normal renal function and elective abdominal surgery due to limited abdominal pathology (such as hernia repair, gallstones….) * Patients post PD and post Tx * Oral and written consent * Ability to consent of the adult patient and of the parents and legal guardian of patients not yet of legal age, respectively Exclusion Criteria: * Abdominal adhesions, malformation and inflammation beyond PD induced changes * Patients with disseminated tumour disease * Patients with critical heart failure and other medical conditions, where the additional procedure may confer an increased increase risk * Pregnancy * Preterm babies (below 37 weeks of gestational age) * Serum hemoglobin \< 10 g/dl in newborns and \< 8 g/dl in children and adults

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome end stage renal failure vascular disorder

As listed by the trial registrant

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

Healthy Kidney failure, chronic Peritoneal dialysis complication Transplantation

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    17 sites in 12 countries. 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

  • Cerrahpasa School of Medicine

    ACTIVE_NOT_RECRUITING

    Istanbul, 34303, Turkey (Türkiye)

  • Children's Hospital, Inselspital, Bern University Hospital and University of Bern

    ACTIVE_NOT_RECRUITING

    Bern, 3010, Switzerland

  • Children's Mercy Hospital

    RECRUITING

    Kansas City, Missouri, 64108, United States

  • Department of Medicine I (Nephrology), University of Heidelberg

    RECRUITING

    Heidelberg, Baden-Wurttemberg, 69120, Germany

  • Department of Pediatrics, Medical University Vienna

    RECRUITING

    Vienna, 1090, Austria

  • Hospital Universitario Materno-Infantil Vall d' Hebron

    RECRUITING

    Barcelona, 08035, Spain

  • Karolinska University Hospital

    ACTIVE_NOT_RECRUITING

    Stockholm, 17176, Sweden

  • KfH Pediatric Kidney Center, Department of Pediatric Nephrology, University of Marburg

    RECRUITING

    Marburg, 35043, Germany

  • Krakow, Jagiellonian University Medical College

    RECRUITING

    Krakow, 30663, Poland

  • Paediatric CAPD unit, Kuala Lumpur Hospital

    ACTIVE_NOT_RECRUITING

    Kuala Lumpur, 50586, Malaysia

  • Pediatric Nephrology, Dialysis and Transplant Unit

    ACTIVE_NOT_RECRUITING

    Padova, 35128, Italy

  • Service de Néphrologie Pédiatrique, Hôpital Femme Mere Enfant

    RECRUITING

    Lyon, 69677, France

  • The Children´s Hospital of Philadelphia

    ACTIVE_NOT_RECRUITING

    Narberth, Pennsylvania, 19104, United States

  • UKE, University Children´s Hospital

    RECRUITING

    Hamburg, 20251, Germany

  • UZ Ghent

    RECRUITING

    Ghent, 9890, Belgium

  • University Children'Hospital

    ACTIVE_NOT_RECRUITING

    Genova, 16147, Italy

  • University Children's Hospital

    RECRUITING

    Prague, 15006, Czechia

  • University Children's Hospital

    RECRUITING

    Strasbourg, 67098, France

  • University Children's Hospital

    ACTIVE_NOT_RECRUITING

    Berlin, 10117, Germany

  • University Children's Hospital

    RECRUITING

    Cologne, 50931, Germany

  • University Children's Hospital

    RECRUITING

    Essen, 45122, Germany

  • University Children's Hospital

    RECRUITING

    Budapest, 1083, Hungary

  • University Children's Hospital

    RECRUITING

    Milan, 20122, Italy

  • University Children's Hospital

    RECRUITING

    Adana, 01330, Turkey (Türkiye)

  • University children's Hospital

    RECRUITING

    Vilnius, 08406, Lithuania

  • University of Alabama at Birmingham

    ACTIVE_NOT_RECRUITING

    Birmingham, Alabama, 35233, United States

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