Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 1, 2026, 3:53 PM EDT

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Showing 1–24 of 207 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Wilson Disease
Interventions
Standard of Care Medications
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
New Haven, Connecticut • Chicago, Illinois • Ann Arbor, Michigan + 2 more
Conditions
Healthy
Interventions
Acoramidis
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
Acute Intracranial Hemorrhage
Interventions
andexanet alfa, Usual Care
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
11
States / cities
Fort Lauderdale, Florida • Augusta, Georgia • Royal Oak, Michigan + 7 more
Conditions
Hypophosphatasia (HPP)
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
5 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
9
States / cities
Atlanta, Georgia • Indianapolis, Indiana • Boston, Massachusetts + 6 more
Conditions
Venous Thromboembolism (VTE)
Interventions
Betrixaban, Enoxaparin
Drug
Lead sponsor
Portola Pharmaceuticals
Industry
Eligibility
40 Years and older
Enrollment
7,513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
75
States / cities
Birmingham, Alabama • Bakersfield, California • Fresno, California + 69 more
Conditions
Transthyretin Amyloid Cardiomyopathy
Interventions
ALXN2220, Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
1,181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
36
States / cities
Irvine, California • La Jolla, California • Palo Alto, California + 30 more
Conditions
Refractory Generalized Myasthenia Gravis
Interventions
Eculizumab, Placebo
Biological · Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
26
States / cities
Birmingham, Alabama • Los Angeles, California • Orange, California + 22 more
Conditions
Antibody-mediated Rejection, Hyperacute Rejection of Cardiac Transplant, Left Ventricular Dysfunction, Cardiac Allograft Vasculopathy, Heart Graft Dysfunction
Interventions
Eculizumab
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Myasthenia Gravis
Interventions
eculizumab, Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
21
States / cities
Birmingham, Alabama • Orange, California • Sacramento, California + 17 more
Conditions
Lupus Nephritis, Immunoglobulin A Nephropathy, IgAN, LN
Interventions
ALXN2050, Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
10
States / cities
Huntsville, Alabama • Loma Linda, California • Northridge, California + 7 more
Conditions
Amyotrophic Lateral Sclerosis, ALS
Interventions
Placebo, Ravulizumab
Drug · Biological
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
382 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
34
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Loma Linda, California + 27 more
Conditions
Wilson Disease
Interventions
ALXN1840, SoC Therapy
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
12 Years and older
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
6
States / cities
Los Angeles, California • New Haven, Connecticut • Chicago, Illinois + 3 more
Conditions
Atypical Hemolytic-Uremic Syndrome
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
9
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Gainesville, Florida + 6 more
Conditions
Hypophosphatasia
Interventions
asfotase alfa
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
13 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
St Louis, Missouri • Durham, North Carolina
Conditions
COVID-19, Pneumonia, Viral, Acute Lung Injury/Acute Respiratory Distress Syndrome (ARDS)
Interventions
eculizumab
Biological
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
U.S. locations
7
States / cities
Los Angeles, California • Boston, Massachusetts • Newton, Massachusetts + 4 more
Completed Phase 1 Interventional Accepts healthy volunteers

Study of ALXN2050 in Participants With Renal Impairment

NCT04623710
Conditions
Renal Impairment, Healthy
Interventions
ALXN2050
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Hialeah, Florida • Orlando, Florida
Conditions
Hypophosphatasia
Interventions
Asfotase alfa
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
St Louis, Missouri • Durham, North Carolina • Nashville, Tennessee
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Cardiac Effects of ALXN2050 in Healthy Adults

NCT04660890
Conditions
Healthy
Interventions
ALXN2050, ALXN2050-matching Placebo, Moxifloxacin, Moxifloxacin-matching Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Age-Related Macular Degeneration
Interventions
Eculizumab, Saline
Drug
Lead sponsor
Philip J. Rosenfeld, MD, PhD
Other
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Miami, Florida
Conditions
AL Amyloidosis
Interventions
CAEL-101, Placebo, cyclophosphamide, bortezomib, and Dexamethasone (CyBorD) regimen
Drug · Other
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
26
States / cities
Duarte, California • Palo Alto, California • San Francisco, California + 20 more
Terminated No phase listed Observational

US Selumetinib Registry

NCT05683678
Conditions
Neurofibromatosis Type 1, Plexiform Neurofibromas
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
2 Years to 18 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • Miami, Florida + 7 more
Conditions
Thrombotic Microangiopathy
Interventions
Ravulizumab, Best Supportive Care
Drug · Other
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Up to 17 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
8
States / cities
Tucson, Arizona • Aurora, Colorado • Atlanta, Georgia + 5 more
Conditions
Healthy Subjects
Interventions
ALXN1007
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
25 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Wilson Disease
Interventions
ALXN1840
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
4
States / cities
Los Angeles, California • New Haven, Connecticut • Chicago, Illinois + 1 more