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ClinicalTrials.gov public records Last synced May 21, 2026, 5:36 PM EDT

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Showing 1–24 of 39 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hemophagocytic Lymphohistiocytoses Clear all
Not yet recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
B-Acute Lymphoblastic Leukemia, CAR-T Cell Therapy, Cytokine Release Syndrome, Immune Effector Cell Associated Neurotoxicity Syndrome, Immune Effector Cell Associated Hemophagocytic Lymphohistiocytosis-like Syndrome
Interventions
Anakinra (Kineret®)
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
1 Year to 25 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced May 21, 2026, 5:36 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Primary Immunodeficiency (PID), Congenital Bone Marrow Failure Syndromes, Inherited Metabolic Disorders (IMD), Hereditary Anemias, Inflammatory Conditions
Interventions
data collection
Drug
Lead sponsor
Paul Szabolcs
Other
Eligibility
2 Months to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced May 21, 2026, 5:36 PM EDT
Active, not recruiting Not applicable Interventional Results available
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia in Remission, Acute Myeloid Leukemia in Remission, Myelodysplastic Syndromes, Chronic Myeloid Leukemia, Hemophagocytic Lymphohistiocytoses, Primary Immunodeficiency Diseases, Hemoglobinopathies, Severe Aplastic Anemia, Cytopenia, Bone Marrow Failure Syndrome, Severe Chronic Active Epstein-Barr Virus Infection
Interventions
CliniMACS
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced May 21, 2026, 5:36 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Immune Deficiency Disorders, Severe Combined Immunodeficiency, Chronic Granulomatous Disease, X-linked Agammaglobulinemia, Wiskott-Aldrich Syndrome, Hyper-IgM, DiGeorge Syndrome, Chediak-Higashi Syndrome, Common Variable Immune Deficiency, Immune Dysregulatory Disorders, Hemophagocytic Lymphohistiocytosis, IPEX, Autoimmune Lymphoproliferative Syndrome, X-linked Lymphoproliferative Syndrome
Interventions
Transplant preparative regimen of alemtuzumab, fludarabine, thiotepa, and melphalan
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Up to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced May 21, 2026, 5:36 PM EDT
Active, not recruiting Phase 1 Interventional
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Myelodysplastic Syndrome, Acute Myeloid Leukemia, Chronic Myelogenous Leukemia, Non Hodgkin Lymphoma, Hemophagocytic Lymphohistiocytosis, Familial Hemophagocytic Lymphohistiocytosis, Hemophagocytic Syndrome, Epstein Barr Virus Infection, X-linked Lymphoproliferative Disease
Interventions
iCaspase9-transduced T cells, AP1903
Biological · Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2029
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced May 21, 2026, 5:36 PM EDT
Terminated Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytosis, X-Linked Lymphoproliferative Disorders, Chediak-Higashi Syndrome, Griscelli Syndrome, Immunologic Diseases, Langerhans-Cell Histiocytosis, Hematologic Diseases
Interventions
Stem Cell Transplant, Myeloablative conditioning regimen
Procedure · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 55 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced May 21, 2026, 5:36 PM EDT
Terminated Phase 1 Interventional Results available
View directory record Official record
Conditions
Primary Immune Deficiency Disorders, Hemophagocytic Lymphohistiocytosis, Inherited Bone Marrow Failure Syndrome, Hemoglobinopathies, Metabolic Disorders
Interventions
BPX-501 and Rimiducid
Biological
Lead sponsor
Bellicum Pharmaceuticals
Industry
Eligibility
4 Months to 55 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 24, 2024 · Synced May 21, 2026, 5:36 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Immunologic Deficiency Syndromes, Chediak-Higashi Syndrome, Common Variable Immunodeficiency, Graft Versus Host Disease, X-Linked Lymphoproliferative Syndrome, Familial Erythrophagocytic Lymphohistiocytosis, Hemophagocytic Lymphohistiocytosis, X-linked Agammaglobulinemia, Wiskott-Aldrich Syndrome, Chronic Granulomatous Disease, X-linked Hyper IgM Syndrome, Severe Combined Immunodeficiency, Leukocyte Adhesion Deficiency Syndrome, Virus-Associated Hemophagocytic Syndrome
Interventions
anti-thymocyte globulin, busulfan, cyclophosphamide, cyclosporine, etoposide, methotrexate, methylprednisolone, prednisone, Allogeneic Bone Marrow Transplantation
Drug · Procedure
Lead sponsor
Fairview University Medical Center
Other
Eligibility
Up to 35 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2009 · Synced May 21, 2026, 5:36 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Macrophage Activation Syndrome, Primary Hemophagocytic Lymphohistiocytosis
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Month to 120 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced May 21, 2026, 5:36 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Non-Neoplastic Hematologic and Lymphocytic Disorder
Interventions
Allogeneic Bone Marrow Transplantation, Anti-Thymocyte Globulin, Cyclosporine, Fludarabine Phosphate, Laboratory Biomarker Analysis, Methotrexate, Mycophenolate Mofetil, Peripheral Blood Stem Cell Transplantation, Tacrolimus, Total-Body Irradiation, Treosulfan, Umbilical Cord Blood Transplantation
Procedure · Biological · Drug + 2 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Up to 49 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
6
States / cities
Aurora, Colorado • Portland, Oregon • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced May 21, 2026, 5:36 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytosis
Interventions
Ruxolitinib, Dexamethasone, Etoposide
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
6 Weeks to 22 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
13
States / cities
Phoenix, Arizona • Orange, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced May 21, 2026, 5:36 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Hurler Syndrome, Fanconi Anemia, Glanzmann Thrombasthenia, Wiskott-Aldrich Syndrome, Chronic Granulomatous Disease, Severe Congenital Neutropenia, Leukocyte Adhesion Deficiency, Shwachman-Diamond Syndrome, Diamond-Blackfan Anemia, Dyskeratosis-congenita, Chediak-Higashi Syndrome, Severe Aplastic Anemia, Thalassemia Major, Hemophagocytic Lymphohistiocytosis, Sickle Cell Disease
Interventions
Abatacept
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 21 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 25, 2019 · Synced May 21, 2026, 5:36 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Chediak-Higashi Syndrome, Graft Versus Host Disease, X-Linked Lymphoproliferative Syndrome, Familial Erythrophagocytic Lymphohistiocytosis, Hemophagocytic Lymphohistiocytosis, Virus-Associated Hemophagocytic Syndrome
Interventions
anti-thymocyte globulin, busulfan, cyclophosphamide, cyclosporine, etoposide, filgrastim, methotrexate, allogeneic hematopoietic stem cell transplantation
Drug · Procedure
Lead sponsor
Fairview University Medical Center
Other
Eligibility
0 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 21, 2026, 5:36 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Macrophage Activation Syndrome, Secondary Hemophagocytic Lymphohistiocytosis, Still Disease, Systemic Lupus Erythematosus, SJIA, AOSD, MAS
Interventions
Emapalumab
Drug
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
6 Months to 80 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
9
States / cities
Birmingham, Alabama • Los Angeles, California • Gainesville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced May 21, 2026, 5:36 PM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Bone Marrow Failure Syndrome, Thalassemia, Sickle Cell Disease, Diamond Blackfan Anemia, Acquired Neutropenia in Newborn, Acquired Anemia Hemolytic, Acquired Thrombocytopenia, Hemophagocytic Lymphohistiocytoses, Wiskott-Aldrich Syndrome, Chronic Granulomatous Disease, Common Variable Immunodeficiency, X-linked Lymphoproliferative Disease, Severe Combined Immunodeficiency, Hurler Syndrome, Mannosidosis, Adrenoleukodystrophy
Interventions
Thiotepa--single daily dose, Thiotepa--escalated dose
Drug
Lead sponsor
University of Florida
Other
Eligibility
3 Months to 39 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced May 21, 2026, 5:36 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Lymphohistiocytosis, Hemophagocytic, Secondary Hemophagocytic Lymphohistiocytosis, Macrophage Activation Syndrome, Hyperinflammatory Syndromes
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
2
States / cities
Bethesda, Maryland • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced May 21, 2026, 5:36 PM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Primary Haemophagocytic Lymphohistiocytosis
Interventions
NI-0501
Biological
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
Up to 18 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
8
States / cities
Aurora, Colorado • Wilmington, Delaware • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced May 21, 2026, 5:36 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytosis
Interventions
Blood Draws, Data Collection
Other
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 5:36 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Macrophage Activation Syndrome, Lymphohistiocytosis, Hemophagocytic, Arthritis, Juvenile, Adult Onset Still Disease
Interventions
Emapalumab
Drug
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
0 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced May 21, 2026, 5:36 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
SCID, Omenn's Syndrome, Reticular Dysgenesis, Wiskott-Aldrich Syndrome, Bare Lymphocyte Syndrome, Common Variable Immunodeficiency, Chronic Granulomatous Disease, CD40 Ligand Deficiency, Hyper IgM Syndrome, X-linked Lymphoproliferative Disease, Hemophagocytic Lymphohistiocytosis, Griscelli Syndrome, Chediak-Higashi Syndrome, Langerhan's Cell Histiocytosis
Interventions
Alemtuzumab 0.3 mg, Cyclophosphamide, Busulfan, Stem Cell Transplantation, Fludarabine phosphate 40 mg, Melphalan, Alemtuzumab 0.2 mg, Fludarabine phosphate 30 mg, MESNA
Drug · Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 50 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced May 21, 2026, 5:36 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Primary Immunodeficiency (PID), Congenital Bone Marrow Failure Syndromes, Inherited Metabolic Disorders (IMD), Hereditary Anemias, Inflammatory Conditions, Systemic Juvenile Idiopathic Arthritis (sJIA), Juvenile Rheumatoid Arthritis (JRA)
Interventions
Hydroxyurea, Alemtuzumab, Fludarabine, Melphalan, Thiotepa
Drug
Lead sponsor
Paul Szabolcs
Other
Eligibility
2 Months to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced May 21, 2026, 5:36 PM EDT
Terminated Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytoses
Interventions
Emapalumab-Lzsg
Drug
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced May 21, 2026, 5:36 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Lymphoma, Hemophagocytic Lymphohistiocytoses
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced May 21, 2026, 5:36 PM EDT
Active, not recruiting Phase 1 Interventional
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Non-Hodgkin's Lymphoma, Myelodysplastic Syndrome, Chronic Myeloid Leukemia
Interventions
Allodepleted T Cells
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced May 21, 2026, 5:36 PM EDT