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Study of ALXN1210 in Children and Adolescents with Atypical Hemolytic Uremic Syndrome (aHUS)

Phase 1
Conditions
Therapeutic area: Diseases [C] - Blood and lymphatic diseases [C15]
Atypical Hemolytic Uremic Syndrome (aHUS)
MedDRA version: 20.0 Level: LLT Classification code 10019515 Term: Hemolytic uremic syndrome System Organ Class: 100000004851
Registration Number
EUCTR2016-002499-29-FR
Lead Sponsor
Alexion Pharmaceuticals Incorporated
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Authorised-recruitment may be ongoing or finished
Sex
Not specified
Target Recruitment
16
Inclusion Criteria

1. Patients from birth up to < 18 years of age and weighing = 5 kg at the time of consent.
2. Evidence of thrombotic microangiopathy (TMA), including low platelet count, hemolysis (breaking of red blood cells inside of blood vessels), and decreased kidney function.
3. Documented meningococcal vaccination not more than 3 years prior to dosing, and vaccination against Streptococcus pneumoniae and Haemophilus influenzae
4. Female patients of childbearing potential must use highly effective contraception starting at screening and continuing until at least 8 months after the last dose of ALXN1210
Are the trial subjects under 18? yes
Number of subjects for this age range: 16
F.1.2 Adults (18-64 years) no
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

1. ADAMTS13 deficiency (Activity < 5%)
2. Shiga toxin-related hemolytic uremic syndrome (STEC-HUS)
3. Positive direct Coombs test
4. Pregnancy or breastfeeding
5. Identified drug exposure-related hemolytic uremic syndrome (HUS)
6. Bone marrow transplant (BMT)/hematopoietic stem cell transplant (HSCT) within last 6 months prior to start of Screening
7. HUS related to vitamin B12 deficiency
8. Systemic sclerosis (scleroderma), systemic lupus erythematosus (SLE), or antiphospholipid antibody positivity or syndrome
9. Chronic dialysis (defined as dialysis on a regular basis as renal replacement therapy for ESKD)

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Main Objective: Efficacy of ALXN1210;<br> Secondary Objective: Safety and tolerability of ALXN1210<br> Additional efficacy measures<br> ;Primary end point(s): Complete TMA Response;Timepoint(s) of evaluation of this end point: Week 26
Secondary Outcome Measures
NameTimeMethod
<br> Secondary end point(s): - Dialysis requirement status<br> - Time to Complete TMA Response<br> - Complete TMA Response status over time<br> - Observed value and change from baseline in estimated glomerular filtration rate (eGFR) <br> - Change from baseline in chronic kidney disease (CKD) stage<br> - Change from baseline in hematologic parameters (platelets, LDH, hemoglobin)<br> - Increase in hemoglobin of = 20 g/L from baseline<br> - Change from baseline in quality of life as measured by Pediatric FACIT Fatigue questionnaire (patients = 5 years of age)<br> ;Timepoint(s) of evaluation of this end point: Week 26
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