New diagnostic tools for kidney diseases

Towards the Most Accurate Diagnosis and Monitoring of Complement-mediated Rare Kidney Diseases

Not applicable Interventional Mario Negri Institute for Pharmacological Research · NCT05985122

This study is testing new tools to help doctors better diagnose and treat rare kidney diseases like aHUS and C3G.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment180 (estimated)
SexAll
SponsorMario Negri Institute for Pharmacological Research Academic / other
Drugs / interventionsEculizumab, Ravulizumab
Locations1 site (Ranica, BG)
Trial IDNCT05985122 on ClinicalTrials.gov

What this trial studies

This project aims to develop standardized analytic assays to improve the diagnosis and treatment of atypical Hemolytic Uremic Syndrome (aHUS) and C3 Glomerulopathies (C3G). It is part of the COMPRare initiative, which involves a consortium of seven European institutions working together to address the challenges of accurate diagnosis in these rare kidney conditions. The study focuses on identifying specific complement activation markers and improving patient stratification for better treatment outcomes.

Who should consider this trial

Good fit: Ideal candidates include male and female patients of all ages diagnosed with C3G or aHUS, either in acute phase or remission.

Not a fit: Patients with Stx-associated HUS or TTP, as well as those who have undergone plasma therapy within two weeks of blood sampling, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more accurate and timely diagnoses for patients with aHUS and C3G, ultimately improving treatment choices and outcomes.

How similar studies have performed: Other studies have shown promise in developing diagnostic tools for complement-mediated kidney diseases, but this specific approach is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Aim 1

Inclusion Criteria:

* Male and female patients (children and adults) with C3G diagnosis
* Biobank written informed consent

Aim 2 Inclusion criteria

* Male and female patients (children and adults) with aHUS diagnosis in acute phase (before any treatment), or in remission either untreated or undergoing anti-C5 treatment at standard dosing
* Written informed consent Exclusion criteria
* Stx-associated HUS
* TTP (ADAMTS13\<10%)
* Plasma therapy within 2 weeks from blood sampling

Where this trial is running

Ranica, BG

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Hemolytic-Uremic SyndromeMembranoproliferative GlomerulonephritisHealthyComplement-mediated kidney diseasesBlood and tissue biomarkersAssay standardizationGlycocalyxCharacterization of variants of unknown significance
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.