New hope for rare kidney disease? trial tests imlifidase
NCT ID NCT05679401
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new drug called imlifidase for people with severe Goodpasture disease, a rare condition where the immune system attacks the kidneys and lungs. The trial compared imlifidase plus standard care to standard care alone in 50 adults with poor kidney function. The goal was to see if imlifidase could improve kidney function at 6 months. However, the study was terminated early.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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50 people
The number who actually took part.
- Started
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Dec 2022
- Finished
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Feb 2026
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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. Anti-GBM antibodies constituting an indication for PLEX as judged by the Investigator 2. Haematuria on dipstick and/or urinary sediment 3. eGFR(MDRD) \<20 mL/min/1.73 m\^2 4. Patients aged ≥18 years 5. Willing and able to give written Informed Consent and to comply with the requirements of the study protocol Exclusion Criteria: 1. Diagnosis of anti-GBM disease more than 14 days prior to randomisation 2. Anuria during the last 24-hour 3. Any constituent of SoC given more than 10 days prior to randomisation 4. IVIg within 4 weeks before randomisation 5. History or presence of any medical condition or disease which, in the opinion of the investigator, may place the patient at unacceptable risk, or jeopardise the purpose of the study 6. Patients previously randomised in the study 7. Unsuitable to participate in the trial for any other reason in the opinion of the investigator 8. Pregnancy or breast feeding 9. Contraception: 1. Men who are not vasectomised or abstinent or with a partner (of child-bearing potential) not willing to use one of the highly effective contraceptives listed below from screening to 6 months following discontinuation of CYC 2. Men who are not willing to refrain from donating sperm from screening to 6 months following discontinuation of CYC 3. Men who are not willing to use a condom during any form of sexual intercourse, regardless of a partner being of child-bearing potential from screening to 6 months following discontinuation of CYC 4. Women of child-bearing potential not willing or not able to use at least one highly effective contraceptive method from screening to 12 months following discontinuation of CYC. In the context of this trial, a highly effective method is defined as those which result in low failure rate (i.e. less than 1% per year) when used consistently and correctly such as: * combined (oestrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation (oral/intravaginal/transdermal) * progestogen-only hormonal contraception associated with inhibition of ovulation (oral/injectable/implantable) * intrauterine device (IUD) * intrauterine hormone-releasing system (IUS) * bilateral tubal occlusion * vasectomised partner * true abstinence: When this is in line with the preferred and usual lifestyle of the patient. \[Periodic abstinence (such as calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception\] 10. Previous imlifidase treatment or known hypersensitivity to any of the excipients
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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ASST degli Spedali Civili di Brescia - SC Nefrologia
Brescia, 25123, Italy
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Aarhus University Hospital, Renal Medicine and Clinical Medicine
Aarhus N, Central Jutland, 8200, Denmark
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Brigham and Women's Hospital
Boston, Massachusetts, 02115, United States
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CHU Bordeaux, Hôpital Pellegrin, Service nephrologie, transplantation, dialyse, aphereses
Bordeaux, New Aquitaine, 33076 cedex, France
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CHU Grenoble Alpes - Michallon Hospital, Nephrology, Hemodialysis, Apheresis and Kidney Transplantation
Grenoble, Auvergne-Rhône-Alpes, 38043, France
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CHU Lille. Nephrology, dialysis transplantation
Lille, Haus-de-France, 59037, France
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CHU de Nantes, Hôtel-Dieu, Le service de néphrologie et immunologie clinique
Nantes, Pays de la Loire Region, 44000, France
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CHU de Rouen, Department of Nephrology,Transplantation, and Hemodialysis
Bois-Guillaume, Normandy, 76130, France
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Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Dept. of Vasculitis
Cambridge, Cambridgeshire, CB2 0QQ, United Kingdom
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Carl-Gustav-Carus University Hospital, Medizinische Klinik III, Nephrologie
Dresden, Saxony, 01307, Germany
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Charité Department of Nephrology and Intensive Care
Berlin, 10117, Germany
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Department of Renal Medicine, Cork University Hospital
Cork, T12 DC4A, Ireland
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Hammersmith Hospital, Renal medicine and centre for inflammatory diseases
London, W12 0HS, United Kingdom
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Hospital Clinic de Barcelona
Barcelona, 08036, Spain
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Hôpital Rangueil, CHU de Toulouse, Department of Nephrology and Organ transplantation
Toulouse, Occitanie, 31059, France
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IRCCS Policlinico San Martino University Hospital, Department of Internal Medicine, Division of Nephrology
Genova, Genova-Liguria, 16132, Italy
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IRCCS S. Orsola - Malpighi University Hospital - Nephrology, Dialysis and Transplantation Unit (pav 15)
Bologna, 40138, Italy
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John Hopkins Medical Institution
Baltimore, Maryland, 21287, United States
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Karolinska University Hospital
Huddinge, 14186, Sweden
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LMU Klinikum, Medical Clinic IV / Department of Nephrology
Munich, Bavaria, 81377, Germany
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Leiden University Medical Center, Department of Nephrology
Leiden, South Holland, 2333, Netherlands
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Linköping University Hospital
Linköping, 58185, Sweden
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Manchester University Hospitals NHS Foundation Trust
Manchester, M13 9WL, United Kingdom
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Med Uni Graz / LKH-UNIV Klinikum Graz, Klinische Abteilung fuer Nephrologie
Graz, Stiermark, 8036, Austria
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Medical University Innsbruck, Dept of Internal Medicine IV (Nephrology and Hypertension)
Innsbruck, Tyrol, 6020, Austria
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Medical University of Vienna, Dept of Medicine III, Division of Nephrology and dialysis
Vienna, 1090, Austria
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Nouvel Hôpital Civil (University Hospital of Strasbourg)
Strasbourg, Grand Est, 67091 Cedex, France
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Odense University Hospital, Medical Nephrology, Department Y
Odense, Region Syddanmark, 5000, Denmark
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Radboudumc
Nijmegen, 6525 GA, Netherlands
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Rigshospitalet, Department of Nephrology
Copenhagen, 2100, Denmark
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Royal Infirmary of Edinburgh, Department of Renal Medicine
Edinburgh, EH16 4SA, United Kingdom
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Skåne University Hospital, Department of Nephrology
Lund, 22185, Sweden
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Tenon Hospital, Renal intensive care unit
Paris, Île-de-France Region, 75020, France
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The Ohio State University Wexner Medical Center
Columbus, Ohio, 43201, United States
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UCLA Medical Center Plaza
Los Angeles, California, 90024, United States
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UNC Kidney Center/Division of Nephrology & Hypertension
Chapel Hill, North Carolina, 27599-7155, United States
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UZ Leuven
Leuven, 3000, Belgium
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Uniklinik Koeln-Klinik II fuer Innere Medizin
Cologne, North Rhine-Westphalia, 50937, Germany
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Uniklinik RWTH Aachen
Aachen, North Rhine-Westphalia, 52074, Germany
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Universitaetsklinikum Erlangen - Medizinische Klinik 4
Erlangen, 91054, Germany
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University College London, Royal Free Hospital, Department of Renal Medicine
London, NW3 2QG, United Kingdom
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University Hospital Hamburg-Eppendorf, III Department of Medicine and Nephrology
Hamburg, 20246, Germany
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University Hospital Vall d'Hebron
Barcelona, 08035, Spain
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University Hospital of Marseille, Nephrology - Renal transplantation service
Marseille, Bouches-du-Rhône, 13385, France
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University Medical Center Groningen, Division of Nephrology
Groningen, 9713GZ, Netherlands
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University of Minnesota Health Clinical Research Unit
Minneapolis, Minnesota, 55455, United States
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Uppsala University Hospital, Department of Medical Sciences, Renal Medicine
Uppsala, 751 85, Sweden
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Všeobecná fakultní nemocnice v Praze
Prague, Prague, 12808, Czechia
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