Clinical trials: sponsored by Alexion Pharmaceuticals, Inc.
Hypophosphatasia (HPP)
Registry of Patients With Hypophosphatasia
In this prospective, observational, long term registry patients of all ages with a diagnosis of hypophosphatasia (HPP) are followed at participating sites in multiple countries.
- Trial name
- NCT02306720
- Where
- 67 sites in United States, Australia and 11 more
- Volunteers
- 1,571 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Thrombotic Microangiopathy
Ravulizumab in Thrombotic Microangiopathy After Hematopoietic Stem Cell Transplant
This study will evaluate the efficacy, safety, pharmacokinetics, and pharmacodynamics of ravulizumab in adult and adolescent participants with hematopoietic stem cell transplant-associated thrombotic microangiopathy (HSCT-TMA).
- Trial name
- NCT04543591
- Testing
- Ravulizumab, Best supportive care
- Where
- 66 sites in United States, Australia and 15 more
- Volunteers
- 148 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Transthyretin Amyloid Cardiomyopathy (ATTR-CM)
An Open-Label Study to Evaluate the Long-Term Safety and Efficacy of ALXN2220 in Adults With Transthyretin Amyloid Cardiomyopathy
The purpose of Study ALXN2220-ATTRCM-302 is to evaluate the long-term safety, tolerability and efficacy of ALXN2220 in adult participants with ATTR-CM treated with ALXN2220 in addition to SoC who have completed Study…
- Trial name
- LTSAFE-ALXN (NCT07789483)
- Testing
- ALXN2220
- Where
- 195 sites in United States, Argentina and 25 more
- Volunteers
- 1,180 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
IgAN, IgAVN
Study of Ravulizumab in Pediatric Participants With Primary IgAN
The primary objectives of this study are to characterize ravulizumab pharmacokinetics (PK) and pharmacodynamics (PD), and to evaluate safety and efficacy following ravulizumab IV dosing in pediatric participants with IgAN or…
- Conditions
- IgAN, IgAVN, Immunoglobulin A Nephropathy, Immunoglobulin A Vasculitis Associated Nephritis
- Trial name
- NCT07024563
- Testing
- Ravulizumab
- Where
- 15 sites in United States, China and 5 more
- Volunteers
- 36 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Thrombotic Microangiopathy, Hematopoietic Stem Cell Transplant
A Study Using Real-world Data to Examine Outcomes in Children and Adults Who Develop a Blood Clotting Disorder Called Thrombotic Microangiopathy (TMA) After Undergoing a Hematopoietic Stem Cell Transplant (HSCT).
The purpose of this study was to assess OS outcomes in pediatric (≥ 28 days of age at the time of HSCT-TMA diagnosis) and adult participants diagnosed with HSCT-TMA(referred to as TMA from hereon) within 52 weeks after HSCT and…
- Trial name
- ALX-TMA-502 (NCT07732361)
- Where
- 43 sites in United States, Belgium and 8 more
- Volunteers
- 307 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Hemoglobinuria
Paroxysmal Nocturnal Hemoglobinuria (PNH), Level of CD59 on Red and White Blood Cells in Bone Marrow Failure Syndromes
Examine red and white blood cells of PNH patients with bone marrow failure syndromes.
- Trial name
- EXPLORE (NCT01192425)
- Volunteers
- 5,580 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Neuromyelitis Optica Spectrum Disorder
Efficacy and Safety Study of Ravulizumab IV in Pediatric Participants With NMOSD
The primary purpose of this study is to evaluate the safety and efficacy of ravulizumab in pediatric participants with Neuromyelitis Optica Spectrum Disorder (NMOSD).
- Trial name
- NCT05346354
- Testing
- Ravulizumab
- Where
- 16 sites in United States, Canada and 5 more
- Volunteers
- 12 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Hypophosphatasia
Phase 3 Study of ALXN1850 Versus Placebo in Adolescent and Adult Participants With HPP Who Have Not Previously Been Treated With Asfotase Alfa
The primary objective of this study is to assess the efficacy of ALXN1850 versus placebo on functional outcomes in adolescent and adult participants with HPP who have not previously been treated with asfotase alfa.
- Trial name
- HICKORY (NCT06079281)
- Testing
- ALXN1850
- Where
- 65 sites in United States, Argentina and 15 more
- Volunteers
- 124 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Paroxysmal Nocturnal Hemoglobinuria
A Long-term Safety and Efficacy Study of Danicopan as an Add-on Therapy to Complement Component 5 Inhibitor (C5i) in Participants With PNH
This is a single-arm long-term extension study that will enroll participants with PNH who have completed participation in Alexion-sponsored clinical studies with danicopan as an add on therapy to a C5i.
- Trial name
- NCT05389449
- Testing
- Danicopan
- Where
- 45 sites in United States, Brazil and 13 more
- Volunteers
- 80 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Symptomatic Transthyretin Amyloid Cardiomyopathy
A Phase 3 Study of ALXN2060 in Japanese Participants With Symptomatic ATTR-CM
This prospective study is designed to evaluate the efficacy, safety, and tolerability of ALXN2060 (also known as AG10), as well as to establish its pharmacokinetic and pharmacodynamic profile in Japanese participants with…
- Trial name
- NCT04622046
- Testing
- ALXN2060
- Where
- 11 sites in Japan
- Volunteers
- 25 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Hypophosphatasia
Phase 3 Study of ALXN1850 in Treatment-Naïve Pediatric Participants With HPP
The primary purpose of this study is to evaluate the efficacy of ALXN1850 versus placebo on radiographic outcomes in pediatric participants with HPP who have not previously been treated with asfotase alfa.
- Trial name
- MULBERRY (NCT06079359)
- Testing
- ALXN1850
- Where
- 32 sites in United States, Australia and 14 more
- Volunteers
- 30 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Hypophosphatasia
Phase 3 Study of ALXN1850 in Pediatric Participants With HPP Previously Treated With Asfotase Alfa
The primary purpose of this study is to assess the safety and tolerability of ALXN1850 versus asfotase alfa in pediatric participants with HPP previously treated with asfotase alfa.
- Trial name
- CHESTNUT (NCT06079372)
- Testing
- ALXN1850, asfotase alfa
- Where
- 21 sites in United States, Argentina and 5 more
- Volunteers
- 43 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Generalized Myasthenia Gravis, gMG
Evaluation of PK, PD, Efficacy, Safety, and Immunogenicity of IV Ravulizumab in Pediatric Participants With Generalized Myasthenia Gravis
The primary purpose of this study is to characterize the pharmacokinetics and pharmacodynamics of treatment with ravulizumab intravenous infusion in pediatric participants with gMG.
- Trial name
- NCT05644561
- Testing
- Ravulizumab
- Where
- 11 sites in United States, Italy and 3 more
- Volunteers
- 12 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Ultomiris-exposed Pregnant/ Postpartum, Pregnancy
Study of Ultomiris® (Ravulizumab) Safety in Pregnancy
The primary objective of this study is to describe the frequency and characteristics of pregnancy outcomes and maternal complications among participants exposed to Ultomiris and to describe the frequency and characteristics of…
- Conditions
- Ultomiris-exposed Pregnant/ Postpartum, Pregnancy, Paroxysmal Nocturnal Hemoglobinuria (PNH), Atypical Hemolytic Uremic Syndrome (aHUS)
- Trial name
- NCT06312644
- Testing
- Ultomiris
- Where
- 7 sites in United States, Australia and 5 more
- Volunteers
- 75 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Generalized Myasthenia Gravis, gMG
PK, PD, Safety, and Efficacy Study of Gefurulimab in Pediatric Patients With AChR+ Generalized Myasthenia Gravis
The primary objective of this study is to assess the pharmacokinetics and pharmacodynamics of gefurulimab in pediatric participants with AChR+ gMG for the duration of the study.
- Trial name
- NCT06607627
- Testing
- Gefurulimab
- Where
- 13 sites in United States, Brazil and 3 more
- Volunteers
- 12 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Lysosomal Acid Lipase Deficiency, Cholesterol Ester Storage Disease
Lysosomal Acid Lipase (LAL) Deficiency Registry
This is an observational, multi-center, international disease registry designed to collect longitudinal data and create a knowledge base that will be utilized to improve the care and treatment of patients with LAL Deficiency.
- Conditions
- Lysosomal Acid Lipase Deficiency, Cholesterol Ester Storage Disease, Wolman Disease, Acid Cholesteryl Ester Hydrolase Deficiency, Type 2
- Trial name
- ALX-LALD-501 (NCT01633489)
- Where
- 104 sites in United States, Australia and 20 more
- Volunteers
- 300 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Hypophosphatasia
A Prospective Sub-Study of the Global Hypophosphatasia Registry
In this prospective observational sub-study, participants with pediatric-onset hypophosphatasia (HPP) (perinatal/infantile- or juvenile-onset) of any age will be followed for a minimum of 5 years at sites in the United States and…
- Trial name
- NCT05234567
- Testing
- Asfotase Alfa
- Where
- 12 sites in United States
- Volunteers
- 30 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Paroxysmal Nocturnal Hemoglobinuria
Paroxysmal Nocturnal Hemoglobinuria (PNH) Registry
This study is a collection of data to evaluate safety and characterize progression of Paroxysmal Nocturnal Hemoglobinuria (PNH).
- Trial name
- NCT01374360
- Where
- United States
- Volunteers
- 6,061 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Thrombotic Microangiopathy
Study of Ravulizumab in Pediatric Participants With HSCT-TMA
This study will evaluate the safety, efficacy, pharmacokinetics, and pharmacodynamics of ravulizumab administered by intravenous infusion to pediatric participants, from 1 month to < 18 years of age, with HSCT-TMA.
- Trial name
- NCT04557735
- Testing
- Ravulizumab, Best Supportive Care
- Where
- 26 sites in United States, Israel and 5 more
- Volunteers
- 41 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Paroxysmal Nocturnal Hemoglobinuria, PNH
Study of Danicopan as Add-on Treatment to Ravulizumab or Eculizumab in Pediatric Participants With PNH Who Have Clinically Significant Extravascular Hemolysis
The primary objective of this study is to evaluate efficacy of danicopan as add-on treatment to ravulizumab or eculizumab as assessed by hemoglobin (Hgb) change from Baseline at Week 12 in pediatric participants with paroxysmal…
- Conditions
- Paroxysmal Nocturnal Hemoglobinuria, PNH, Extravascular Hemolysis
- Trial name
- NCT06449001
- Testing
- Danicopan
- Where
- 4 sites in Canada, France and 1 more
- Volunteers
- 6 people
- Sponsor
- Alexion Pharmaceuticals, Inc.