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Showing 1–24 of 63 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

Haploidentical Hematopoietic Stem Cell Transplantation Patients With Wiskott-Aldrich Syndrome

NCT00160355
View directory record Official record
Conditions
Wiskott-Aldrich Syndrome
Interventions
Hematopoietic stem cell transplantation, Miltenyi CliniMACS selection system, Fludarabine, Melphalan, Thiotepa
Procedure · Device · Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 18 Years · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 5, 2026, 6:41 AM EDT
Completed Phase 1 Interventional

Safety Study of IL-7 in HIV-infected Patients (Inspire)

NCT00477321
View directory record Official record
Conditions
HIV Infections, Lymphopenia
Interventions
CYT 107
Drug
Lead sponsor
Cytheris SA
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
3
States / cities
Miami, Florida • Bethesda, Maryland • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 17, 2012 · Synced Sep 5, 2026, 6:41 AM EDT
Active, not recruiting Phase 2 Interventional

Immunogenicity of the 9-Valent Human Papillomavirus Recombinant Vaccine in People With Idiopathic CD4 T Cell Lymphocytopenia

NCT03519464
View directory record Official record
Conditions
Idiopathic CD4 T Cell Lymphocytopenia
Interventions
Gardasil 9
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 5, 2026, 6:41 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

ALI Post Radiation Therapy in Patients With Lung and Esophageal Canter

NCT04668833
View directory record Official record
Conditions
Solid Tumor Malignancies
Interventions
Autologous lymphocyte infusion (ALI)
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 5, 2026, 6:41 AM EDT
Completed Phase 2 Interventional Results available

Study of Drug to Reduce Thrombocytopenia in Patients Receiving Chemo for Ovarian, Fallopian Tube or Peritoneal Cancer

NCT00771810
View directory record Official record
Conditions
Thrombocytopenia, Neutropenia, Lymphopenia, Anemia
Interventions
TXA127, Placebo
Drug
Lead sponsor
Tarix Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
6
States / cities
Mobile, Alabama • Los Angeles, California • Orange, California + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Sep 5, 2026, 6:41 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Thrombocytopenia and Bleeding in Wiskott-Aldrich Syndrome (WAS) Patients

NCT00909363
View directory record Official record
Conditions
Wiskott-Aldrich Syndrome, Thrombocytopenia, Bleeding
Interventions
Promacta, blood drawing in patients with WAS, blood drawing in healthy controls
Drug · Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
3 Months to 80 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Sep 5, 2026, 6:41 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Serologic Response to Pneumococcal Vaccination Among Esophageal Cancer Patients With High Grade Lymphopenia After Chemoradiation

NCT06181656
View directory record Official record
Conditions
Pneumococcal Vaccine, Esophageal Cancer, Lymphopenia, Chemoradiation
Interventions
Pneumonia vaccine
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 5, 2026, 6:41 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Hematopoietic Stem Cell Mobilization in Idiopathic CD4 Lymphocytopenia Patients and Healthy Controls for the Study of T Cell Maturation and Trafficking in Murine Models

NCT02015013
View directory record Official record
Conditions
Idiopathic CD4-Positive, T-Lymphocytopenia
Interventions
Filgrastim, Plerixafor
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 5, 2026, 6:41 AM EDT
Recruiting Phase 1 Interventional

Safety of Belimumab in People With Idiopathic CD4 Lymphopenia and Autoantibodies (Phoebe)

NCT04097561
View directory record Official record
Conditions
Idiopathic CD4 Lymphopenia
Interventions
Belimumab
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 5, 2026, 6:41 AM EDT
Active, not recruiting Phase 2 Interventional

Immune Disorder HSCT Protocol

NCT01821781
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 Sep 5, 2026, 6:41 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 14, 2025 · Synced Sep 5, 2026, 6:41 AM EDT
Terminated Not applicable Interventional

Allogeneic Bone Marrow Transplantation in Patients With Primary Immunodeficiencies

NCT00006054
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 Sep 5, 2026, 6:41 AM EDT
Completed Early Phase 1 Interventional

NT-I7, a Long-Acting Recombinant IL-7 Molecule, as an Immune Reconstitution Strategy for Lymphopenia in Patients With Progressive Multifocal Leukoencephalopathy

NCT04781309
View directory record Official record
Conditions
Progressive Multifocal Leukoencephalopathy
Interventions
NT-I7
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 120 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Sep 5, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

THC Crossover Study

NCT04429568
View directory record Official record
Conditions
THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified, Cigarette Smoking, Tobacco Use, Nicotine Dependence, Nicotine Withdrawal, Cardiovascular Risk Factor
Interventions
Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Sep 5, 2026, 6:41 AM EDT
Completed Not applicable Interventional

Feasibility of Lymphocyte Reinfusion in Newly Diagnosed High Grade Gliomas

NCT01653834
View directory record Official record
Conditions
Glioblastoma
Interventions
Lymphocyte harvesting & reinfusion
Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Sep 5, 2026, 6:41 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Etiology, Pathogenesis, and Natural History of Idiopathic CD4+ Lymphocytopenia

NCT00867269
View directory record Official record
Conditions
Idiopathic CD4+ Lymphocytopenia, Cryptococcal Meningitis, Warts
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
950 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 5, 2026, 6:41 AM EDT
Not listed No phase listed Observational

Study of Genetic and Molecular Defects in Primary Immunodeficiency Disorders

NCT00004341
View directory record Official record
Conditions
X-Linked Agammaglobulinemia, X-Linked Hyper IgM Syndrome, Wiskott-Aldrich Syndrome, Leukocyte Adhesion Deficiency Syndrome
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
0 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1995
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 6:41 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Conditioning Regimen for Allogeneic Hematopoietic Stem-Cell Transplantation

NCT03513328
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 Sep 5, 2026, 6:41 AM EDT
Completed Phase 1 Interventional

Basiliximab in Treating Patients With Newly Diagnosed Glioblastoma Multiforme Undergoing Targeted Immunotherapy and Temozolomide-Caused Lymphopenia

NCT00626483
View directory record Official record
Conditions
Malignant Neoplasms Brain
Interventions
RNA-loaded dendritic cell vaccine, basiliximab
Biological · Drug
Lead sponsor
Gary Archer Ph.D.
Other
Eligibility
18 Years to 120 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Sep 5, 2026, 6:41 AM EDT
Completed Phase 1 Interventional

Evaluation of Recovery From Drug-Induced Lymphopenia Using Cytomegalovirus-specific T-cell Adoptive Transfer

NCT00693095
View directory record Official record
Conditions
Glioblastoma
Interventions
CMV-ALT + CMV-DCs, CMV-ALT + Saline
Biological
Lead sponsor
John Sampson
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Sep 5, 2026, 6:41 AM EDT
Active, not recruiting Not applicable Interventional Results available

Lymphocyte Depletion and Change in Lymphocyte Functionality

NCT04273893
View directory record Official record
Conditions
Lymphocyte Depletion
Interventions
SBRT with additional treatment planning dose optimization, SBRT with standard of care planning only, Blood Draws
Radiation · Diagnostic Test
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Sep 5, 2026, 6:41 AM EDT
Completed Phase 3 Interventional

Rapid Infusion of Immune Globulin Intravenous (Human) In Primary Immunodeficiency Patients

NCT00220766
View directory record Official record
Conditions
Immunologic Deficiency Syndrome, Agammaglobulinemia, Severe Combined Immunodeficiency, Wiskott-Aldrich Syndrome, Common Variable Immunodeficiency
Interventions
Immune Globulin Intravenous [Human], 10% Caprylate/Chromatography Purified, Dextrose, 5% in Water
Drug
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
9
States / cities
Birmingham, Alabama • Denver, Colorado • Washington D.C., District of Columbia + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2009 · Synced Sep 5, 2026, 6:41 AM EDT
Terminated Phase 1 Interventional

Study of the Effect NT-I7 on CD4 Counts in Patients With High Grade Gliomas

NCT02659800
View directory record Official record
Conditions
Lymphopenia, Malignant Glioma
Interventions
Laboratory Biomarker Analysis, NT-I7, Placebo
Other · Biological
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
10
States / cities
Birmingham, Alabama • Baltimore, Maryland • Boston, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Sep 5, 2026, 6:41 AM EDT
Terminated Not applicable Interventional Results available

Alefacept and Allogeneic Hematopoietic Stem Cell Transplantation

NCT01319851
View directory record Official record
Conditions
Thalassemia, Sickle Cell Disease, Glanzmann Thrombasthenia, Wiskott-Aldrich Syndrome, Chronic-granulomatous Disease, Severe Congenital Neutropenia, Leukocyte Adhesion Deficiency, Schwachman-Diamond Syndrome, Diamond-Blackfan Anemia, Fanconi Anemia, Dyskeratosis-congenita, Chediak-Higashi Syndrome, Severe Aplastic Anemia
Interventions
Alefacept
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 21 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Sep 5, 2026, 6:41 AM EDT