Atypical Hemolytic-Uremic Syndrome (aHUS) Registry

September 15, 2025 updated by: Alexion Pharmaceuticals, Inc.

An Observational, Non-Interventional, Multi-Center, Multi-National Study of Patients With Atypical Hemolytic-Uremic Syndrome (aHUS Registry)

Post-marketing safety data on patients treated and untreated with eculizumab or ravulizumab.

Study Overview

Status

Recruiting

Detailed Description

The study will capture post-marketing safety data on patients treated with eculizumab or ravulizumab. Additionally, the study will collect information on the progression of disease in all patients.

Study Type

Observational

Enrollment (Estimated)

3000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

    • New South Wales
      • Westmead, New South Wales, Australia, 2145
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Durkan
      • Westmead, New South Wales, Australia, 2145
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Wong
    • Queensland
      • Cairns, Queensland, Australia, 4870
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Mantha
      • Herston, Queensland, Australia, 4029
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Chandler
      • Woolloongabba, Queensland, Australia, 4102
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Isbel
    • South Australia
      • Adelaide, South Australia, Australia, 5000
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Carroll
    • Victoria
      • Heidelberg, Victoria, Australia, 3084
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Mount
      • Parkville, Victoria, Australia, 3050
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Hughes
      • Parkville, Victoria, Australia, 3052
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Kausman
    • Western Australia
      • Murdoch, Western Australia, Australia, 6961
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Abraham
      • Nedlands, Western Australia, Australia, 6109
        • Active, not recruiting
        • Clinical Trial Site
      • Brussels, Belgium, 1070
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Broeders
      • Brussels, Belgium, 1090
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Pipeleers
      • Brussels, Belgium, 1020
        • Active, not recruiting
        • Clinical Trial Site
      • Edegem, Belgium, 2650
        • Recruiting
        • Clinical Trial Site (adult)
        • Contact:
          • Massart
      • Edegem, Belgium, 2650
        • Recruiting
        • Clinical Trial Site (Pediatric)
        • Contact:
          • Van Hoeck
      • Ghent, Belgium, 9000
        • Recruiting
        • Clinical Trial Site (Pediatric)
        • Contact:
          • Snauwaert
      • Leuven, Belgium, 3000
        • Recruiting
        • Clinical Trial Site (adult)
        • Contact:
          • Claes
      • Leuven, Belgium, 3000
        • Recruiting
        • Clinical Trial Site (Pediatric)
        • Contact:
          • Bockenhauer
      • Liège, Belgium, 4000
        • Recruiting
        • Clinical Trial Site (adult)
        • Contact:
          • Weekers
      • Liège, Belgium, 4000
        • Recruiting
        • Clinical Trial Site (Pediatric)
        • Contact:
          • Collard
      • Woluwe-Saint-Lambert, Belgium, 1200
        • Recruiting
        • Clinical Trial Site (adult)
        • Contact:
          • Goffin
      • Woluwe-Saint-Lambert, Belgium, 1200
        • Recruiting
        • Clinical Trial Site (Pediatric)
        • Contact:
          • Godefroid
    • Ontario
      • London, Ontario, Canada, N6A 5W9
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Huang
      • Toronto, Ontario, Canada, M5G 1X8
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Licht
    • Quebec
      • Montreal, Quebec, Canada, H3T 1C5
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Lapeyraque
      • Québec, Quebec, Canada, 44035
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Philibert
      • Odense, Denmark, 5000
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Dieperink
      • Amiens, France, 80054
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Djeddi
      • Amiens, France, 80054
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Choukroun
      • Angers, France, 49933
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Augusto
      • Bayonne, France, 64109
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Lacraz
      • Bordeaux, France, 33076
        • Active, not recruiting
        • Clinical Trial Site
      • Brest, France, 29609
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • LeMeur
      • Bron, France, 69677
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Sellier-LeClerc
      • Caen, France, 30001
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Chatelet-Pouliquen
      • Chambéry, France, 73011
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Bally
      • Clermont-Ferrand, France, 63000
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Heng
      • Dijon, France, 21080
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Legendre
      • Grenoble, France, 38043
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Carron
      • Le Kremlin-Bicêtre, France, 94270
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Snanoudj
      • Lille, France, 59037
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Provot
      • Lille, France
        • Withdrawn
        • Clinical Trial Site
      • Lyon, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Jolivot
      • Marseille, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Rousset-Rouviere
      • Montpellier, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Fila
      • Nancy, France, 54500
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Frimat
      • Nancy, France, 54500
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Vrillon
      • Nantes, France, 44 093
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Roussey
      • Nantes, France, 44000
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Ville
      • Nice, France, 51069
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Seitz-Polski
      • Paris, France, 75015
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Legendre
      • Paris, France, 75015
        • Recruiting
        • Clinical Trial Site 4
        • Contact:
          • Thervet
      • Paris, France, 75743
        • Recruiting
        • Clinical Trial Site 5
        • Contact:
          • Boyer
      • Paris, France, 75970
        • Recruiting
        • Clinical Trial Site 3
        • Contact:
          • Mesnard
      • Paris, France, 75019
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Hogan
      • Perpignan, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Vela
      • Poitiers, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Bridoux
      • Pontoise, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Devaud
      • Rennes, France, 35203
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Taque
      • Rennes, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Martins
      • Rouen, France
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Lebourg
      • Rouen, France
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Louillet
      • Strasbourg, France
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Moulin
      • Strasbourg, France
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Krummel
      • Toulouse, France, 31059
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Kamar
      • Toulouse, France, 70034
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Decramer
      • Tours, France
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Halimi
      • Valenciennes, France, 50479
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Ulrich
      • Essen, Germany, 45147
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Gackler
      • Hanover, Germany, 30625
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Schmidt-Ott
      • Hanover, Germany, 30625
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Kanzelmeyer
      • Heidelberg, Germany, 69120
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Wuehl
      • Lübeck, Germany, 23538
        • Active, not recruiting
        • Clinical Trial Site
      • Münster, Germany, 48149
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Konrad
      • Tübingen, Germany, 72076
        • Withdrawn
        • Clinical Trial Site
      • Beersheba, Israel, 84101
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Schreiber
      • Bari, Italy, 70124
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Giordano
      • Bari, Italy, 70124
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Gesualdo
      • Florence, Italy, 50134
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Cirami
      • Genova, Italy, 16147
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Magnasco
      • Milan, Italy, 20122
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Ardissino
      • Milan, Italy, 20122
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Verdesca
      • Milan, Italy, 20163
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Ravera
      • Roma, Italy, 00165
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Vivarelli
      • Torino, Italy
        • Withdrawn
        • Clinical Trial Site
      • Lodz, Poland, 92-213
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Nowicki
      • Lodz, Poland, 93-338
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Pawlak-Bratkowska
      • Moscow, Russia
        • Completed
        • Clinical Trial Site 1
      • Moscow, Russia
        • Completed
        • Clinical Trial Site 2
      • Saint Petersburg, Russia
        • Completed
        • Clinical Trial Site
      • Daegu, South Korea, 35015
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Kim
      • Gyeonggi-do, South Korea, 13620
        • Active, not recruiting
        • Clinical Trial Site 1
      • Gyeonggi-do, South Korea, 46371
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Young Chong
      • Jeju-do, South Korea, 63241
        • Active, not recruiting
        • Clinical Trial Site
      • Jeollabuk-do, South Korea, 54907
        • Active, not recruiting
        • Clinical Trial Site
      • Seoul, South Korea, 02841
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Kim
      • Seoul, South Korea, 03722
        • Recruiting
        • Clinical Trial Site 3
        • Contact:
          • Kim
      • Seoul, South Korea, 05505
        • Recruiting
        • Clinical Trial Site 5
        • Contact:
          • Hoon Lee
      • Seoul, South Korea, 06351
        • Recruiting
        • Clinical Trial Site 6
        • Contact:
          • Jang
      • Seoul, South Korea, 07985
        • Recruiting
        • Clinical Trial Site 7
        • Contact:
          • Mun
      • Seoul, South Korea, 08308
        • Recruiting
        • Clinical Trial Site 4
        • Contact:
          • Joo Kwon
      • Seoul, South Korea
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Gyung Kang
    • Chungcheongnam-do
      • Dongan, Chungcheongnam-do, South Korea, 31151
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Gil
    • Dongnam-ro
      • Seoul, Dongnam-ro, South Korea, 05278
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Jung
    • Gyeonggi-do
      • Anyang-si, Gyeonggi-do, South Korea, 14068
        • Active, not recruiting
        • Clinical Trial Site
      • Goyang-si, Gyeonggi-do, South Korea, 411-706
        • Withdrawn
        • Clinical Trial Site
    • Hyeonchung-ro
      • Daegu, Hyeonchung-ro, South Korea, 42415
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Do
    • Jebong Ro
      • Gwangju, Jebong Ro, South Korea, 61469
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Bae
      • Barcelona, Spain, 09-08035
        • Recruiting
        • Clinical Trial Site 1
        • Contact:
          • Ariceta
      • Barcelona, Spain, 09-08035
        • Recruiting
        • Clinical Trial Site 2
        • Contact:
          • Ramos
      • Pamplona, Spain, 15-31008
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Manrique
      • Seville, Spain, 01-41013
        • Withdrawn
        • Clinical Trial Site
      • Basel, Switzerland, 4031
        • Terminated
        • Clinical Trial Site
      • Bern, Switzerland, 3010
        • Terminated
        • Clinical Trial Site
      • Surich, Switzerland, 8091
        • Terminated
        • Clinical Trial Site
      • Kaohsiung City, Taiwan, 81362
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Chiou
      • New Taipei City, Taiwan, 10002
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Tsai
      • Taichung, Taiwan, 40447
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Huang
      • Taoyuan District, Taiwan, 33305
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Tseng
      • Ankara, Turkey (Türkiye), 06500
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Derici
      • Istanbul, Turkey (Türkiye), 34093
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Yildiz
      • Kayseri, Turkey (Türkiye), 38039
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Tokgoz
      • Cardiff, United Kingdom, C14 4XW
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Griffin
      • Exeter, United Kingdom, EX2 5DW
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Bingham
      • London, United Kingdom, WC1N 3JH
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Marks
      • London, United Kingdom, NW3 2PF
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Gale
      • London, United Kingdom, W1T 4EU
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Scully
      • Manchester, United Kingdom, M13 9WL
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Shenoy
      • Newcastle, United Kingdom, NE7 7DN
        • Withdrawn
        • Clinical Trial Site
      • Southampton, United Kingdom, SO16 6YD
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Gilbert
      • Wales, United Kingdom, SA6 6NL
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Mikhail
    • Colorado
      • Aurora, Colorado, United States, 80045
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Dixon
    • District of Columbia
      • Washington D.C., District of Columbia, United States, 20007
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Broome
    • Florida
      • Gainesville, Florida, United States, 32610
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Segal
    • Georgia
      • Atlanta, Georgia, United States, 30322
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Greenbaum
    • Illinois
      • Chicago, Illinois, United States, 60614
        • Withdrawn
        • Clinical Trial Site
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Alenizi
    • Missouri
      • St Louis, Missouri, United States, 63110
        • Recruiting
        • Clinical Trial Site
        • Contact:
          • Majerus
    • North Carolina
      • Winston-Salem, North Carolina, United States, 27103
        • Withdrawn
        • Clinical Trial Site
    • Ohio
      • Columbus, Ohio, United States, 43210
        • Active, not recruiting
        • Clinical Trial Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Male or female patients of any age, including minors, who have been diagnosed with aHUS; clinical diagnosis of aHUS, patients with or without an identified complement regulatory factor genetic abnormality or anti-complement factor antibody, ADAMTS13 > 5% (if performed)

Description

Inclusion Criteria:

  • Male or female patients of any age, including minors, who have been diagnosed with aHUS
  • Patients with or without an identified complement pathogenic variant or anti-complement factor antibody
  • Able to give written informed consent. Patient or patient's parent/legal guardian must be willing and able to given written informed consent and the patient (if minor) must be willing to give written informed assent [if applicable as determined by the central Institutional Review Boards/Independent Ethics Committees (IRB/IEC)].
  • ADAMTS13 > 5%, if performed.

Exclusion Criteria:

  • Hemolytic Uremic Syndrome (HUS) only due to Shiga Toxin producing Escherichia coli (STEC).
  • Unable to give written informed consent. Patient or patient's parent/legal guardian unable to give written informed consent. Patient (if minor) unable to give written informed assent (if applicable as determined by the central Institutional Review Boards/Independent Ethics Committees [IRB/IEC]).

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Other
  • Time Perspectives: Other

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Proportion of patients who experience specified events
Time Frame: 10 years
To collect and evaluate safety and effectiveness data specific to the use of eculizumab or ravulizumab in aHUS patients.
10 years
Time to first and subsequent occurrence of specified events.
Time Frame: 5 years
To assess the long term manifestations of thrombotic microangiopathy (TMA) complications of aHUS as well as other clinical outcomes, including morbidity and mortality in aHUS patients, receiving eculizumab or ravulizumab treatment or other disease management approaches
5 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Collaborators

Investigators

  • Study Director: Nuria Saval, Alexion Pharmaceuticals, Inc.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 18, 2013

Primary Completion (Estimated)

January 1, 2031

Study Completion (Estimated)

January 1, 2031

Study Registration Dates

First Submitted

January 18, 2012

First Submitted That Met QC Criteria

January 27, 2012

First Posted (Estimated)

January 31, 2012

Study Record Updates

Last Update Posted (Estimated)

September 16, 2025

Last Update Submitted That Met QC Criteria

September 15, 2025

Last Verified

September 1, 2025

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Atypical Hemolytic-Uremic Syndrome

Subscribe