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Showing 1–24 of 67 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Paroxysmal Hemoglobinuria, Nocturnal Clear all
Completed Phase 2 Interventional Results available

Trial of Allogeneic Stem Cell Transplants From HLA Compatible, Related and Unrelated Donors After a Myeloablative Preparative Regimen With Hyperfractionated TBI, Thiotepa and Fludarabine For Adult Patients With Lymphohematopoietic Disorders

NCT00587054
View directory record Official record
Conditions
Allogeneic Stem Cell Transplant, Leukemia, Non-Hodgkins, Lymphoblastic Lymphoma, Myelodysplastic Syndrome, Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions
cytoreductive regimen followed by a CD34+E- selected allogeneic stem cell transplant
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 55 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced Sep 29, 2026, 6:59 PM EDT
Active, not recruiting Phase 3 Interventional

A Long-term Safety and Efficacy Study of Danicopan as an Add-on Therapy to Complement Component 5 Inhibitor (C5i) in Participants With PNH

NCT05389449
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Danicopan
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
Los Angeles, California • Chicago, Illinois • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 2 Interventional Results available

Study of Danicopan in Participants With Paroxysmal Nocturnal Hemoglobinuria With Inadequate Response to Eculizumab

NCT03472885
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions
Danicopan, Eculizumab
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 2 Interventional

Study of High Dose Cyclophosphamide in Patients With Severe Aplastic Anemia and Paroxysmal Nocturnal Hemoglobinuria

NCT00004464
View directory record Official record
Conditions
Aplastic Anemia, Paroxysmal Hemoglobinuria, Nocturnal
Interventions
cyclophosphamide, filgrastim
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
Up to 70 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 17, 2019 · Synced Sep 29, 2026, 6:59 PM EDT
Recruiting No phase listed Observational

Home Reported Outcomes in PNH

NCT06411626
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
PNH-relevant therapies
Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 99 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 29, 2026, 6:59 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate How Safe Pozelimab + Cemdisiran Combination Therapy is and How Well it Works in Adult Patients With Paroxysmal Nocturnal Hemoglobinuria (PNH) Who Have Not Recently Received or Have Not Received Complement Inhibitor Treatment

NCT05133531
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Ravulizumab, Pozelimab, Cemdisiran, Eculizumab
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Whittier, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Not listed No phase listed Observational

Identifying Characteristics of Bone Marrow Failure Syndromes

NCT00315419
View directory record Official record
Conditions
Bone Marrow Failure Syndromes, Anemia, Aplastic, Myelodysplastic Syndromes, Hemoglobinuria, Paroxysmal, Red-Cell Aplasia, Pure, Purpura, Thrombocytopenic, Leukemia, Lymphocytic
Interventions
Not listed
Lead sponsor
Office of Rare Diseases (ORD)
NIH
Eligibility
11 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
4
States / cities
Los Angeles, California • Tampa, Florida • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2010 · Synced Sep 29, 2026, 6:59 PM EDT
Active, not recruiting Phase 3 Interventional

Long-term Safety and Tolerability of Iptacopan in Patients With Paroxysmal Nocturnal Hemoglobinuria

NCT04747613
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Iptacopan
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
11
States / cities
Duarte, California • Los Angeles, California • Orange, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 3 Interventional

Eculizumab to Treat Paroxysmal Nocturnal Hemoglobinuria

NCT00130000
View directory record Official record
Conditions
Paroxysmal Hemoglobinuria, Nocturnal
Interventions
Eculizumab
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 29, 2026, 6:59 PM EDT
Active, not recruiting Phase 3 Interventional

A Study Evaluating the Safety, Pharmacokinetics, and Efficacy of Crovalimab Versus Eculizumab in Participants With Paroxysmal Nocturnal Hemoglobinuria (PNH) Currently Treated With Complement Inhibitors

NCT04432584
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Crovalimab, Eculizumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
2 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Charlotte, North Carolina • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Terminated Phase 1 Interventional

Safety and Pharmacokinetics of TT30 in Subjects With Paroxysmal Nocturnal Hemoglobinuria (PNH)

NCT01335165
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions
ALXN1102, ALXN1103
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 21, 2014 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Not applicable Interventional

Nonmyeloablative Allogeneic Transplant

NCT01272817
View directory record Official record
Conditions
Aplastic Anemia, Paroxysmal Nocturnal Hemoglobinuria, Acute Myelogenous Leukemia, Acute Lymphocytic Leukemia, Myelodysplastic Syndrome, Chronic Myelogenous Leukemia, Chronic Lymphocytic Leukemia, Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, Mantle Cell Lymphoma, Multiple Myeloma, Waldenstrom Macroglobulinemia, Breast Cancer, Renal Cell Carcinoma, Melanoma, Sarcoma, Ovarian Cancer, Thymoma
Interventions
Nonmyeloablative Allogeneic Transplant
Procedure
Lead sponsor
Scripps Health
Other
Eligibility
18 Years to 72 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 22, 2022 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 3 Interventional Results available

Single Arm, Open Label Trial With Iptacopan Treatment for 24 Weeks, in Patients on Stable Regimen of Anti-C5 Who Switch to Iptacopan.

NCT05630001
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Iptacopan
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
9
States / cities
Duarte, California • Los Angeles, California • Miami Lakes, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 3 Interventional Results available

ALXN1210 (Ravulizumab) Versus Eculizumab in Complement Inhibitor Treatment-Naïve Adult Participants With Paroxysmal Nocturnal Hemoglobinuria (PNH)

NCT02946463
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions
Ravulizumab, Eculizumab
Biological
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
3
States / cities
Los Angeles, California • Whittier, California • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Sep 29, 2026, 6:59 PM EDT
Active, not recruiting Not applicable Interventional

Unrelated And Partially Matched Related Donor PSCT w/ T Cell Receptor (TCR) αβ Depletion for Patients With BMF

NCT03047746
View directory record Official record
Conditions
Acquired Aplastic Anemia, Paroxysmal Nocturnal Hemoglobinuria, Inherited Bone Marrow Failure Syndromes
Interventions
CliniMACs
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 25 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 3 Interventional Results available

Ravulizumab Subcutaneous (SC) Versus Ravulizumab Intravenous (IV) in Adults With Paroxysmal Nocturnal Hemoglobinuria (PNH) Currently Treated With Eculizumab

NCT03748823
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Ravulizumab OBDS, Ravulizumab
Combination Product · Biological
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 2 Interventional Results available

Coversin in PNH in Patients With Resistance to Eculizumab Due to Complement C5 Polymorphisms

NCT03427060
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions
Coversin
Drug
Lead sponsor
AKARI Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Sep 29, 2026, 6:59 PM EDT
Terminated Phase 2 Interventional Results available

Extension Study of RA101495 for Patients With PNH Who Have Completed a Zilucoplan (RA101495) Clinical Study

NCT03225287
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions
Zilucoplan (RA101495)
Drug
Lead sponsor
Ra Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Los Angeles, California • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Sep 29, 2026, 6:59 PM EDT
Active, not recruiting No phase listed Observational

Long-term Safety of Danicopan: IPIG Registry-based Cohort Study

NCT07413679
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria, PNH
Interventions
Danicopan
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Recruiting Phase 2 Interventional

Allogeneic Hematopoietic Stem Cell Transplantation for Severe Aplastic Anemia and Other Bone Marrow Failure Syndromes Using G-CSF Mobilized CD34+ Selected Hematopoietic Precursor Cells Co-Infused With a Reduced Dose of Non-Mobilized Donor T-cells

NCT01174108
View directory record Official record
Conditions
Severe Aplastic Anemia, MDS (Myelodysplastic Syndrome)
Interventions
Miltenyi CD34 Reagent System, Donor derived G-CSF mobilized PBC
Device · Other
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
4 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2028
U.S. locations
2
States / cities
Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Recruiting No phase listed Observational

Study of Ultomiris® (Ravulizumab) Safety in Pregnancy

NCT06312644
View directory record Official record
Conditions
Ultomiris-exposed Pregnant/ Postpartum, Pregnancy, Paroxysmal Nocturnal Hemoglobinuria (PNH), Atypical Hemolytic Uremic Syndrome (aHUS), Generalized Myasthenia Gravis (gMG), Neuromyelitis Optica Spectrum Disorder (NMOSD)
Interventions
Ultomiris
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 29, 2026, 6:59 PM EDT
Recruiting No phase listed Observational

Global PNH Patient Registry

NCT05755867
View directory record Official record
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Not listed
Lead sponsor
Aplastic Anemia and MDS International Foundation
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Not applicable Interventional

Unrelated Donor Stem Cell Transplantation

NCT01364363
View directory record Official record
Conditions
Severe Aplastic Anemia, Paroxysmal Nocturnal Hemoglobinuria, Acute Myelogenous Leukemia, Acute Lymphoblastic Leukemia, Myelodysplastic Syndromes, Myeloproliferative Syndromes, Chronic Myelogenous Leukemia, Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, Multiple Myeloma, Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Large Granulocytic Leukemia
Interventions
Allogeneic transplantation
Procedure
Lead sponsor
Scripps Health
Other
Eligibility
18 Years to 69 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 22, 2022 · Synced Sep 29, 2026, 6:59 PM EDT
Completed Phase 3 Interventional

Eculizumab in Treating Patients With Paroxysmal Nocturnal Hemoglobinuria

NCT00112983
View directory record Official record
Conditions
Leukemia
Interventions
eculizumab
Biological
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced Sep 29, 2026, 6:59 PM EDT