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ClinicalTrials.gov public records Last synced Oct 9, 2026, 10:21 AM EDT

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Showing 25–41 of 41 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Hemophagocytic Lymphohistiocytoses Clear all
Completed Phase 2 Interventional Results available

Alemtuzumab or Tocilizumab in Combination With Etoposide and Dexamethasone for the Treatment of Adult Patients With Hemophagocytic Lymphohistiocytosis

NCT02385110
View directory record Official record
Conditions
Leukemia
Interventions
Alemtuzumab, Etoposide, Dexamethasone, Methotrexate, Phone Call, Tocilizumab
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 9, 2026, 10:21 AM EDT
Completed Phase 2 Interventional Results available

Treosulfan and Fludarabine Phosphate Before Donor Stem Cell Transplant in Treating Patients With Nonmalignant Inherited Disorders

NCT00919503
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 13, 2021 · Synced Oct 9, 2026, 10:21 AM EDT
Active, not recruiting Phase 1 Interventional

Administration of Donor T Cells With the Caspase-9 Suicide Gene

NCT01494103
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 Oct 2, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Active, not recruiting Not applicable Interventional Results available

Haploidentical Hematopoietic Cell Transplantation Using TCR Alpha/Beta and CD19 Depletion

NCT05236764
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 – 2027
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Recruiting No phase listed Observational

Hemophagocytic Lymphohistiocytosis (HLH) Evaluation and Research of Clinical, ImmUnoLogic and TranscriptomE Study

NCT06339177
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 Sep 10, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Recruiting Phase 2Phase 3 Interventional

Open-label Study of ELA026 in Participants With Secondary Hemophagocytic Lymphohistiocytosis (sHLH)

NCT05416307
View directory record Official record
Conditions
Secondary Hemophagocytic Lymphohistiocytosis (sHLH)
Interventions
ELA026
Drug
Lead sponsor
Electra Therapeutics Inc.
Industry
Eligibility
6 Years and older
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
18
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Completed Phase 2 Interventional Results available

T Cell Depletion for Recipients of HLA Haploidentical Related Donor Stem Cell Grafts

NCT00368355
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Non Hodgkins Lymphoma, Myelodysplastic Syndrome, Acute Myeloid Leukemia, Chronic Myelogenous Leukemia, Hemophagocytic Lymphohistiocytosis (HLH), Familial Hemophagocytic Lymphohistiocytosis (FLH), Viral-associated Hemophagocytic Syndrome (VAHS), X-linked Lymphoproliferative Disease (XLP)
Interventions
Ara-C, Cyclophosphamide, Campath-1H, Total Body Irradiation, Stem Cell Infusion
Drug · Biological · Radiation + 1 more
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 55 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2016
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Oct 9, 2026, 10:21 AM EDT
Recruiting Phase 1 Interventional

Ruxolitinib for Immune Effector Cell Associated Hemophagocytic Lymphohistiocytosis-like Syndrome (RISE)

NCT07424222
View directory record Official record
Conditions
Immune Effector Associated Hemophagocytic Lymphohistiocytosis-like Syndrome (IEC-HS)
Interventions
Ruxolitinib
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 99 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Recruiting Phase 2 Interventional

Reduced Intensity Conditioning for Non-Malignant Disorders Undergoing UCBT, BMT or PBSCT

NCT01962415
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 15, 2025 · Synced Oct 9, 2026, 10:21 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Study to Investigate Safety, Efficacy of an Anti-IFNγ mAb in Children With Primary Haemophagocytic Lymphohistiocytosis

NCT01818492
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 21, 2023 · Synced Oct 9, 2026, 10:21 AM EDT
Completed Phase 2Phase 3 Interventional Results available

A Study for Long-term Follow-up of Hemophagocytic Lymphohistiocytosis (HLH) Participants Who Received Treatment With Emapalumab (NI-0501), an Anti-interferon Gamma Monoclonal Antibody

NCT02069899
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytosis
Interventions
Emapalumab
Drug
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
Not listed
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
5
States / cities
Grand Rapids, Michigan • Chapel Hill, North Carolina • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Oct 9, 2026, 10:21 AM EDT
Completed No phase listed Observational Results available

Evaluation of IFNγ and Inflammatory Mediators in Patients With Hemophagocytic Lymphohistiocytosis

NCT06047210
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytoses
Interventions
Blood Draws Data Collection
Other
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 9, 2026, 10:21 AM EDT
Active, not recruiting Not applicable Interventional

Allogeneic Hematopoietic Stem Cell Transplant for Patients With Primary Immune Deficiencies

NCT01652092
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 Jun 17, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Efficacy and Safety of Emapalumab in Primary Haemophagocytic Lymphohistiocytosis

NCT03312751
View directory record Official record
Conditions
Primary Hemophagocytic Lymphohistiocytosis
Interventions
Emapalumab
Drug
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
Up to 18 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 9, 2026, 10:21 AM EDT
Active, not recruiting No phase listed Observational

Retrospective Study of Immunotherapy Related Toxicities and Factors Impacting Outcomes in Children and Adults With Cancer

NCT03827343
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 Oct 8, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Recruiting No phase listed Observational

INTO-HLH: A Disease Registry for Patients With Hemophagocytic Lymphohistiocytosis (HLH)

NCT05277272
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytoses
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 9, 2026, 10:21 AM EDT
Active, not recruiting Phase 1 Interventional

CASPALLO: Allodepleted T Cells Transduced With Inducible Caspase 9 Suicide Gene

NCT00710892
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 – 2027
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 9, 2026, 10:21 AM EDT