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Showing 25–43 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Lymphohistiocytosis, Hemophagocytic Clear all
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 12, 2021 · Synced Jul 23, 2026, 3:37 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

CD34+ (Non-Malignant) Stem Cell Selection for Patients Receiving Allogeneic Stem Cell Transplantation

NCT01966367
View directory record Official record
Conditions
Bone Marrow Failure Syndrome, Severe Aplastic Anemia, Severe Congenital Neutropenia, Amegakaryocytic Thrombocytopenia, Diamond-Blackfan Anemia, Schwachman Diamond Syndrome, Primary Immunodeficiency Syndromes, Acquired Immunodeficiency Syndromes, Histiocytic Syndrome, Familial Hemophagocytic Lymphocytosis, Lymphohistiocytosis, Macrophage Activation Syndrome, Langerhans Cell Histiocytosis (LCH), Hemoglobinopathies, Sickle Cell Disease, Sickle Cell-beta-thalassemia
Interventions
CD34 Stem Cell Selection Therapy
Biological
Lead sponsor
Diane George
Other
Eligibility
Up to 40 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Jul 23, 2026, 3:37 PM 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 14, 2025 · Synced Jul 23, 2026, 3:37 PM 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 18, 2024 · Synced Jul 23, 2026, 3:37 PM 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 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Jul 23, 2026, 3:37 PM 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 Mar 19, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 3 Interventional Results available

Evaluate Efficacy, Safety and Tolerability, PK and PD of Emapalumab in Children and Adults With MAS in Still's or SLE

NCT05001737
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 Jul 23, 2026, 3:37 PM 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 23, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Recruiting No phase listed Observational

Data Collection Study of Patients With Non-Malignant Disorders Undergoing UCBT, BMT or PBSCT With RIC

NCT04528355
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 Jul 23, 2026, 3:37 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

CD34+ (Malignant) Stem Cell Selection for Patients Receiving Allogenic Stem Cell Transplant

NCT02061800
View directory record Official record
Conditions
Chronic Myeloid Leukemia (CML), Acute Myelogenous Leukemia (AML), Myelodysplastic Syndrome (MDS), Juvenile Myelomonocytic Leukemia (JMML), Acute Lymphoblastic Leukemia (ALL), Lymphoma (Hodgkin's and Non-Hodgkin's)
Interventions
CliniMACS CD34+ Reagent System, Thiotepa, Cyclophosphamide, Alemtuzumab, Tacrolimus, Melphalan, Busulfan, Fludarabine, Methylprednisolone
Device · Drug
Lead sponsor
Diane George
Other
Eligibility
Up to 22 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Jul 23, 2026, 3:37 PM EDT
Not listed Not applicable Interventional

Pilot Study of Unrelated Donor Hematopoietic Stem Cell Transplantation in Patients With Life Threatening Hemophagocytic Disorders

NCT00006056
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 Jul 23, 2026, 3:37 PM 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 15, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety and Pharmacokinetics of Emapalumab in Adult Patients With HLH

NCT03985423
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 Jul 23, 2026, 3:37 PM EDT
Withdrawn Phase 2 Interventional

Tocilizumab and Hemophagocytic Lymphohistiocytosis (HLH)

NCT02007239
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytosis
Interventions
tocilizumab
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
3 Months to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

T-Cell Depletion and Stem Cell Transplant for Immune Deficiencies and Histiocytic Disorders

NCT00176826
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 Jul 23, 2026, 3:37 PM 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 Jun 30, 2026 · Synced Jul 23, 2026, 3:37 PM 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 Jul 7, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 2 Interventional Results available

Reduced Intensity Conditioning for Hemophagocytic Syndromes or Selected Primary Immune Deficiencies (BMT CTN 1204)

NCT01998633
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytosis, Chronic Active Epstein-Barr Virus Infection, Chronic Granulomatous Disease, HIGM-1, Leukocyte Adhesion Deficiency, IPEX
Interventions
Hematopoietic Stem Cell Transplant
Biological
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
4 Months to 45 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
19
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Atlanta, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Jul 23, 2026, 3:37 PM 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 20, 2020 · Synced Jul 23, 2026, 3:37 PM EDT