Kisho is an information platform, not a medical provider. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. All content is aggregated from publicly available sources (including ClinicalTrials.gov, PubMed, FDA.gov, and Orphanet) and is provided for informational purposes only. Clinical trial eligibility, treatment decisions, and any health-related actions should always be discussed with a qualified healthcare professional. Kisho does not endorse any specific therapy, organization, or clinical trial. Terms of use · Privacy policy
A rare, genetic thrombotic microangiopathy due to dysregulation of the alternative complement pathway and characterized by the triad of hemolytic anemia, thrombocytopenia, and acute renal dysfunction.
Biomarker and diagnostic research for atypical hemolytic-uremic syndrome has been reported in the published literature.
3 FDA-approved treatments are available for atypical hemolytic-uremic syndrome, including ECULIZUMAB (SOLIRIS, approved 2007), ECULIZUMAB-AAGH (EPYSQLI, approved 2024), and ECULIZUMAB-AEEB (BKEMV, approved 2024). An additional 4 compounds hold orphan drug designation.
Brand Name | Generic Name | Mechanism | Approved |
|---|
Estimated prevalence: 1-9 in 100,000 (Uncommon).
17 clinical trials registered, 11 recruiting. Interventions under study include drug therapy, other interventions, and procedural interventions. Pipeline includes 1 PHASE4, 5 PHASE3, 1 PHASE2. Research is sponsored by a mix of industry and academic institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT05935215](https://clinicaltrials.gov/study/NCT05935215) |
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 1:58 PM UTC
Program availability and eligibility requirements are set by each foundation. Contact them directly to learn more about your options.
Claim this page and your organization will be listed here for patients and families to find.
European rare disease database
Genetic and Rare Diseases Info Center
EPYSQLI | ECULIZUMAB-AAGH | — | 2024 | Available |
BKEMV | ECULIZUMAB-AEEB | — | 2024 | Available |
SOLIRIS | ECULIZUMAB | — | 2007 | Available |
The following drugs have received orphan drug designation from the FDA for atypical hemolytic-uremic syndrome. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor | Designated | Exclusivity End | Designation Status |
|---|---|---|---|---|---|
Ultomiris | ravulizumab-cwvz | Alexion Pharmaceuticals, Inc. | 2017 | — | Designated (drug approved for other indication) |
avacopan | avacopan | ChemoCentryx, Inc. | 2014 | — | Withdrawn |
recombinant human minibody against complement component | recombinant human minibody against complement component | ADIENNE S.A | 2011 | — | Withdrawn |
complement factor H | complement factor H | LFB Biotechnologies S.A. | 2009 | — | Withdrawn |
Gene therapy approaches for atypical hemolytic-uremic syndrome have been reported in the published literature.
17 trials found
Efficacy and Safety of Switching From Anti-C5 Antibody Treatment to Iptacopan Treatment in Study Participants With Atypical Hemolytic Uremic Syndrome (aHUS) |
PHASE3 |
Novartis Pharmaceuticals |
RECRUITING |
[NCT05795140](https://clinicaltrials.gov/study/NCT05795140) | Evaluate Long-term Safety, Tolerability and Efficacy of Iptacopan in Study Participants With aHUS | PHASE3 | Novartis Pharmaceuticals | RECRUITING |
[NCT07308574](https://clinicaltrials.gov/study/NCT07308574) | Post-Marketing Clinical Study of Ravulizumab in Participants With Clinical aHUS | PHASE4 | Alexion Pharmaceuticals, Inc. | RECRUITING |
[NCT01793168](https://clinicaltrials.gov/study/NCT01793168) | Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford | — | Sanford Health | RECRUITING |
[NCT06065852](https://clinicaltrials.gov/study/NCT06065852) | National Registry of Rare Kidney Diseases | — | UK Kidney Association | RECRUITING |
247 publications have been identified in PubMed for atypical hemolytic-uremic syndrome. Research spans Case Report / Case Series (38%), Review / Meta-Analysis (25%), and Clinical Trial Publication (12%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 82 | 38% |
Research summaries | 55 | 25% |
Clinical study results | 26 | 12% |
Disease patterns and progression | 20 | 9% |
New treatment approaches | 12 | 6% |
Laboratory research | 11 | 5% |
Testing and diagnosis research | 6 | 3% |
Other research | 4 | 2% |
Java A (2026). [PMID: 41649885](https://pubmed.ncbi.nlm.nih.gov/41649885/). *Clin J Am Soc Nephrol*. [Gene Therapy / Novel Therapeutics]
Chen X (2026). [PMID: 41866478](https://pubmed.ncbi.nlm.nih.gov/41866478/). *BMC Nephrol*. [Case Report / Case Series]
Orozco-Leal G (2026). [PMID: 40844834](https://pubmed.ncbi.nlm.nih.gov/40844834/). *Nephrol Dial Transplant*. [Epidemiology / Natural History]
Valdez-Thomas M (2026). [PMID: 41236470](https://pubmed.ncbi.nlm.nih.gov/41236470/). *JACC Case Rep*. [Case Report / Case Series]
Tsiamis N (2026). [PMID: 41874770](https://pubmed.ncbi.nlm.nih.gov/41874770/). *CEN Case Rep*. [Case Report / Case Series]
Risly NMM (2026). [PMID: 42169153](https://pubmed.ncbi.nlm.nih.gov/42169153/). *J Med Case Rep*. [Case Report / Case Series]
Collins C (2026). [PMID: 41953852](https://pubmed.ncbi.nlm.nih.gov/41953852/). *SAGE Open Med Case Rep*. [Case Report / Case Series]
Yanagidani H (2026). [PMID: 41680667](https://pubmed.ncbi.nlm.nih.gov/41680667/). *BMC Nephrol*. [Case Report / Case Series]
Alkhaldi A (2026). [PMID: 41987101](https://pubmed.ncbi.nlm.nih.gov/41987101/). *BMC Nephrol*. [Case Report / Case Series]
Krajina L (2026). [PMID: 42144300](https://pubmed.ncbi.nlm.nih.gov/42144300/). *Transplant Proc*. [Case Report / Case Series]
AI-curated news mentioning atypical hemolytic-uremic syndrome
Updated Sep 15, 2026
Recent research highlights the implications of atypical hemolytic uremic syndrome in kidney transplantation. The study provides insights into the management and outcomes of patients affected by this rare condition.
A study published in PubMed highlights the sustained terminal complement inhibition on the endothelium achieved with ravulizumab in patients with atypical hemolytic uremic syndrome. This research contributes to understanding the therapeutic potential of complement inhibition in this rare disease.
A novel CFHR5 copy number variant has been linked to complement-mediated postpartum atypical hemolytic uremic syndrome and collapsing focal segmental glomerulosclerosis. This discovery may enhance understanding of the genetic factors contributing to these rare conditions.
The aHUS Alliance emphasizes the importance of collective advocacy for atypical hemolytic uremic syndrome (aHUS) as Rare Disease Day 2026 approaches. Since 2015, the organization has supported patients and caregivers by creating resources and raising awareness about the challenges faced by families affected by aHUS.