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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:20 AM EDT

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Showing 1–24 of 63 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Lymphocytopenia Clear all
Terminated Phase 1 Interventional Results available

EGFRvIII CAR T Cells for Newly-Diagnosed WHO Grade IV Malignant Glioma

NCT02664363
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma
Interventions
EGFRvIII CAR T cells
Biological
Lead sponsor
Daniel Landi
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 21, 2026, 5:20 AM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety and Pharmacokinetics of Gammaplex in Primary Immunodeficiency Diseases.

NCT00278954
View directory record Official record
Conditions
Primary Immunodeficiency, Common Variable Hypogammaglobulinemia, X-linked Hypogammaglobulinemia, Hypogammaglobulinemia, Immunodeficiency With Hyper-IgM, Wiskott-Aldrich Syndrome
Interventions
Gammaplex (Intravenous immunoglobulin)
Biological
Lead sponsor
Bio Products Laboratory
Other
Eligibility
3 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
7
States / cities
North Palm Beach, Florida • Atlanta, Georgia • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2013 · Synced Oct 21, 2026, 5:20 AM EDT
Completed Phase 1 Interventional

Safety Study of IL-7 in Recipients of a Hemopoietic Stem Cell Transplant Peripheral Blood Stem Cell Transplant

NCT00684008
View directory record Official record
Conditions
AML, CML, MDS
Interventions
CYT107 - Recombinant glycosylated human interleukin 7., rhIL-7 (CYT107)
Drug
Lead sponsor
Cytheris, Inc.
Industry
Eligibility
15 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2012 · Synced Oct 21, 2026, 5:20 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 Oct 16, 2026 · Synced Oct 21, 2026, 5:20 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 7, 2026 · Synced Oct 21, 2026, 5:20 AM EDT
Completed Phase 4 Interventional Results available

A Study to Find Out How Safe and Effective Gammaplex® is in Young People With Primary Immunodeficiency

NCT01289847
View directory record Official record
Conditions
Primary Immune Deficiency Disorders, Common Variable Immunodeficiency, X-linked Agammaglobulinemia, Hyper-IgM Syndrome, Wiskott-Aldrich Syndrome
Interventions
Gammaplex
Biological
Lead sponsor
Bio Products Laboratory
Other
Eligibility
2 Years to 16 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
8
States / cities
Irvine, California • Los Angeles, California • Centennial, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Oct 21, 2026, 5:20 AM EDT
Completed No phase listed Observational

Study of Megakaryocytes From Patients With Abnormal Platelet Vesicles

NCT00086476
View directory record Official record
Conditions
Blood Coagulation Disorders
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
2 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 5:20 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 Oct 16, 2026 · Synced Oct 21, 2026, 5:20 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 Oct 16, 2026 · Synced Oct 21, 2026, 5:20 AM EDT
Completed No phase listed Observational

Participation in a Research Registry for Immune Disorders

NCT01953016
View directory record Official record
Conditions
Primary Immunodeficiencies, APECED, CGD, Wiskott-Aldrich Syndrome, SCID
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Month and older
Enrollment
716 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2023 · Synced Oct 21, 2026, 5:20 AM EDT
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 26, 2017 · Synced Oct 21, 2026, 5:20 AM 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 13, 2026 · Synced Oct 21, 2026, 5:20 AM EDT
Completed Phase 1Phase 2 Interventional

Pilot and Feasibility Study of Hematopoietic Stem Cell Gene Transfer for the Wiskott-Aldrich Syndrome

NCT01410825
View directory record Official record
Conditions
Wiskott-Aldrich Syndrome
Interventions
Retrovirus-mediated gene transfer
Biological
Lead sponsor
David Williams
Other
Eligibility
3 Months to 35 Years · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 21, 2026, 5:20 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Cardiopulmonary Bypass-Induced Lymphocytopenia and the Potential Effects of Protease Inhibitor

NCT00385450
View directory record Official record
Conditions
Cardiopulmonary Bypass
Interventions
Nelfinavir/placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 28, 2015 · Synced Oct 21, 2026, 5:20 AM EDT
Completed No phase listed Observational

COVID-19 Associated Lymphopenia Pathogenesis Study in Blood

NCT04401436
View directory record Official record
Conditions
Coronavirus Disease 2019
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 21, 2026, 5:20 AM EDT
Terminated Phase 2 Interventional

Thymalfasin (Thymosin Alpha 1) to Treat COVID-19 Infection

NCT04487444
View directory record Official record
Conditions
Covid19
Interventions
Thymalfasin
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Oct 21, 2026, 5:20 AM EDT
Completed Phase 1 Interventional

Fludarabine Followed by Vaccine Therapy and White Blood Cell Infusions in Treating Patients With Unresectable or Metastatic Melanoma

NCT00091143
View directory record Official record
Conditions
Melanoma (Skin)
Interventions
gp100 antigen, incomplete Freund's adjuvant, keyhole limpet hemocyanin, fludarabine phosphate, peripheral blood stem cell transplantation
Biological · Drug · Procedure
Lead sponsor
Providence Cancer Center, Earle A. Chiles Research Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 4, 2013 · Synced Oct 21, 2026, 5:20 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 27, 2017 · Synced Oct 21, 2026, 5:20 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Single-arm, Dose-escalation Trial of Long-acting Recombinant Human IL-7 (NT-I7, Efineptakin Alfa) for Idiopathic CD4 Lymphopenia

NCT05600920
View directory record Official record
Conditions
Idiopathic CD4 Lymphopenia
Interventions
Recombinant human interleukin (IL) 7-hyFc
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 5:20 AM EDT
Terminated Phase 2 Interventional Results available

Fludarabine Phosphate, Cyclophosphamide, Total Body Irradiation, and Donor Stem Cell Transplant in Treating Patients With Blood Cancer

NCT03333486
View directory record Official record
Conditions
Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Acute Leukemia in Remission, Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, Acute Myeloid Leukemia With FLT3/ITD Mutation, Acute Myeloid Leukemia With Gene Mutations, Aplastic Anemia, B-Cell Non-Hodgkin Lymphoma, CD40 Ligand Deficiency, Chronic Granulomatous Disease, Chronic Leukemia in Remission, Chronic Lymphocytic Leukemia, Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Chronic Myelomonocytic Leukemia, Chronic Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Congenital Amegakaryocytic Thrombocytopenia, Congenital Neutropenia, Congenital Pure Red Cell Aplasia, Glanzmann Thrombasthenia, Immunodeficiency Syndrome, Myelodysplastic Syndrome, Myelofibrosis, Myeloproliferative Neoplasm, Paroxysmal Nocturnal Hemoglobinuria, Plasma Cell Myeloma, Polycythemia Vera, Recurrent Non-Hodgkin Lymphoma, Refractory Non-Hodgkin Lymphoma, Secondary Acute Myeloid Leukemia, Secondary Myelodysplastic Syndrome, Severe Aplastic Anemia, Shwachman-Diamond Syndrome, Sickle Cell Disease, T-Cell Non-Hodgkin Lymphoma, Thalassemia, Waldenstrom Macroglobulinemia, Wiskott-Aldrich Syndrome
Interventions
Cyclophosphamide, Fludarabine Phosphate, Laboratory Biomarker Analysis, Peripheral Blood Stem Cell Transplantation, Total-Body Irradiation
Drug · Other · Procedure + 1 more
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
1 Year to 75 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2025 · Synced Oct 21, 2026, 5:20 AM EDT
Active, not recruiting Phase 3 Interventional

A Clinical Study to Evaluate the Use of a Cryopreserved Formulation of OTL-103 in Subjects With Wiskott-Aldrich Syndrome

NCT03837483
View directory record Official record
Conditions
Wiskott-Aldrich Syndrome
Interventions
OTL-103
Genetic
Lead sponsor
Fondazione Telethon
Other
Eligibility
Up to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Oct 21, 2026, 5:20 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 Oct 16, 2026 · Synced Oct 21, 2026, 5:20 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 25, 2009 · Synced Oct 21, 2026, 5:20 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 18, 2012 · Synced Oct 21, 2026, 5:20 AM EDT