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This cross-sectional prevalence assessment study involves a single blood draw in specific patient populations to assess for enzymatic and genomic evidence for acquired pyruvate kinase deficiency.
The purpose of this Phase 3 study is to determine whether iptacopan (LNP023) is efficacious and safe for the treatment of aHUS in adult patients who are treatment naive to complement inhibitor therapy.
The aim of the study is to evaluate the level of neutralizing antibody against SARS-CoV-2 after COVID-19 vaccination in patients under hemodialysis. To this end, the level of neutralizing antibody of patients under hemodialysis is compared to that of healthy population.
This study aims to evaluate the efficacy and safety of crovalimab in adult and adolescent participants with aHUS.
Eculizumab is an anti-C5 monoclonal antibody approved for rare diseases including atypical haemolytic-uraemic syndrome. The maintenance phase dosing regimen is identical for all adult patients but several studies have shown a high interindividual kinetics variability. A tailored administration of eculizumab based on therapeutic drug monitoring will be compared with real-life administration in adults suffering from an atypical haemolytic uraemic syndrome. The objective is to improve efficiency of eculizumab administration.
Although many studies investigated the prevalence and manifestations of HPV-B19 infection in patients with sickle cell anemia (SCA), thalassemia, and hereditary spherocytosis (HS) separately, there is limited information about the extent to which HPV-B19 infection leads to severe complications and chronic infection.
It is a multicenter observational non-comparative study of the efficacy and safety of long-term pathogenetic Elizaria® therapy in patients with atypical Hemolytic Uremic Syndrome
Thrombotic microangiopathy (TMA) is a severe and life-threatening condition, often affecting the kidneys and brain. It can occur on the background of various clinical conditions. Dysregulation of the alternative pathway of complement may be the etiological factor and this type of TMA is classified, according to the current nomenclature, as primary atypical hemolytic uremic syndrome (HUS). Half the patients with primary atypical HUS present with rare variants in complement genes, although coexisting conditions are often needed for the TMA to become manifest. In patients with secondary atypical HUS, certain coexisting conditions appear to drive the disease and treatment should target the underlying condition to remit the TMA. Recently, the investigators demonstrated, by using a novel in-house developed functional endothelial cell-based test, that complement dysregulation and overactivation is the dominant cause of disease and its sequelae in a subset of patients with secondary atypical HUS, having impact on treatment and prognosis. The investigators did first prove this concept in patients presenting with TMA and hypertensive emergency. A prospective study is needed to further corroborate these findings along the spectrum of TMA. The investigators hypothesize that their functional endothelial cell-based test, the so-called "HMEC" test, can better categorizes the TMA into different groups with potential therapeutic and prognostic implications. Thus, paving the road to the ultimate goal of precision medicine.
This study will evaluate the safety and tolerability of ANX005 in participants with Warm Autoimmune Hemolytic Anemia (wAIHA).
Primary Objective: -Part A: To evaluate the safety and tolerability of subcutaneous injections of isatuximab in adults with wAIHA Part B: To evaluate the efficacy of the selected dose in adults with wAIHA Secondary Objective: - Part A (Cohorts 2 and 3 only) - To evaluate the efficacy of isatuximab in adults with wAIHA - To evaluate the durability of response to isatuximab and time to response - To evaluate the impact of isatuximab treatment on fatigue Part B - To evaluate the safety and tolerability of isatuximab in adults with wAIHA - To evaluate the durability of response to isatuximab and time to response - To evaluate the impact of isatuximab treatment on fatigue Parts A (all Cohorts) and B - To evaluate the effect of isatuximab on markers of hemolysis - To characterize the pharmacokinetic profile of isatuximab in adults with wAIHA - To evaluate the immunogenicity of isatuximab