Last updated 15 days ago

A Study Evaluating the Efficacy, Safety, Pharmacokinetics and Pharmacodynamics of Crovalimab in Adult and Adolescent Participants With Atypical Hemolytic Uremic Syndrome (aHUS)

80 patients around the world
Available in Mexico, Peru
Hoffmann-La Roche
4Research sites
80Patients around the world

This study is for people with

Hemolytic uremic syndrome
Atypical hemolytic uremic syndrome

Requirements for the patient

From 12 Years
All Gender

Medical requirements

Body weight >= 40 kg at screening.
Vaccination against Neisseria meningitidis serotypes A, C, W, and Y; vaccination against serotypes B, according to national vaccination recommendations.
Vaccination against Haemophilus influenzae type B and Streptococcus pneumoniae, according to national vaccination recommendations.
For participants continuing to receive other therapies concomitantly with crovalimab (e.g., immunosuppressants, corticosteroids, mammalian target of rapamycin inhibitor (mTORi), or calcineurin inhibitors): stable dose for >=28 days prior to screening and up to the first crovalimab administration.
For female participants of childbearing potential: an agreement to remain abstinent or use contraception.
Female participants of childbearing potential must have a negative serum pregnancy test result within 7 days prior to initiation of crovalimab.
Participants with a prior kidney transplant are eligible if they have a known history of complement-mediated aHUS prior to the kidney transplant.
Onset of initial TMA presentation within 28 days prior to the first dose of crovalimab (for Naive Cohort only).
Documented treatment with either eculizumab or ravulizumab (for Switch Cohort only).
Clinical evidence of response to a C5 inhibitor (for Switch Cohort only).
Known C5 polymorphism (for C5 SNP Cohort only).
Poorly controlled TMA following treatment with another C5 inhibitor (for C5 SNP Cohort only).
TMA associated with non-aHUS related renal disease.
Positive direct Coombs test.
Chronic dialysis within 90 days prior to first crovalimab administration and/or end stage renal disease.
Identified drug exposure-related TMA.
Presence or history of a condition that could trigger TMA, such as malignancy, bone marrow or organ transplant (other than kidney transplant) or autoimmune disease.
History of a kidney disease, other than aHUS.
History of Neisseria meningitidis infection within 6 months of study enrollment.
Known or suspected immune deficiency (e.g., history of frequent recurrent infections).
Positive Human Immunodeficiency Virus (HIV) test.
Active systemic bacterial, viral, or fungal infection within 14 days before first crovalimab administration.
Presence of fever (>= 38°C).
Multi-system organ dysfunction or failure.
Recent intravenous immunoglobulin (IVIg) treatment.
Pregnant or breastfeeding or intending to become pregnant.
Participation in another interventional treatment study with an investigational agent or use of any experimental therapy within 28 days of screening or within five half lives of that investigational product, whichever is greater.
Recent use of tranexamic acid.
Current or previous treatment with a complement inhibitor (for Naive Cohort only).
First initiation of plasma exchange/plasma infusions (PE/PI) should not be more than 28 days prior to first crovalimab administration (for Naive Cohort only).
Last PE/PI completed less than 2 hours prior to first crovalimab administration (for Naive Cohort only).
Receiving PE/PI within 8 weeks of the first crovalimab administration (Switch Cohort only).
Positive for active Hepatitis B and C infection (HBV/HCV) (for Switch Cohort and C5 SNP Cohort participants who recently received C5 inhibitor treatment).
Cryoglobulinemia at screening (for Switch Cohort and C5 SNP Cohort participants who recently received C5 inhibitor treatment).
Diagnosis of condition leading to non-aHUS TMA: Thrombotic Thrombocytopenic Purpura (TTP), Shiga Toxin producing Escherichia Coli (STEC).
TMA, Pneumococcal HUS, TMA secondary to cobalamin C defect and TMA related to a known DGKE nephropathy.

Sites

Instituto Nacional de Ciencias Médicas y Nutrición Dr. Salvador Zubirán
Recruiting
Vasco de Quiroga 15, Belisario Domínguez Secc 16, 14080 Ciudad de México
Hospital Universitario Dr. José Eleuterio González
Recruiting
Av. Dr. José Eleuterio González, Mitras Centro, 64460 Monterrey, N.L., Mexico
Hospital Alberto Sabogal Sologuren
Recruiting
Colina 1081, Bellavista 07011
Hospital Nacional Dos De Mayo
Recruiting
Av. Miguel Grau, 15003, Peru
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