Clinical trials: T-Lymphocytopenia
HIV-1-infection, CD4+ T Lymphocytopenia
Pyridostigmine as Immunomodulator in People Living With HIV
Human immunodeficiency virus (HIV) infection is characterized by persistent immune activation and a constant turnover of T cells. This leads to a precipitous fall in the number of T cells, as well as to an early immunosenescence.
- Conditions
- HIV-1-infection, CD4+ T Lymphocytopenia, Immune Deficiency, Immuno-senescence
- Trial name
- NCT03312244
- Testing
- Pyridostigmine Bromide
- Where
- Mexico
- Volunteers
- 60 people
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Idiopathic CD4 Lymphocytopenia
Idiopathic CD4 Lymphocytopenia
Definition: Idiopathic CD4+ T lymphocytopenia (ICL) is an immune deficiency first described in 1992 and characterized by the US Centers for Disease Control (CDC) as absolute CD4+ T-lymphocyte count < 300/mm3 or < 20% of total T…
- Trial name
- Lympho-4 (NCT02113930)
- Testing
- Constitution of a biobank of frozen cells, plasma and serum samples, Genetic study
- Where
- France
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Lymphopenia Due to COVID-19, T-cell
CD8+ T-cell PET/CT Imaging in COVID-19 Patients
A subset of patients diagnosed with severe acute respiratory syndrome (SARS)-CoV2 infection present with lymphopenia. The degree of lymphopenia, and in particular reduced cluster of differentiation (CD)8+ T-cell numbers, is…
- Conditions
- Lymphopenia Due to COVID-19, T-cell, PET Imaging
- Trial name
- Tangelo (NCT04874818)
- Testing
- [89Zr]Df-IAB22M2C PET/CT scan
- Where
- Netherlands
- Volunteers
- 5 people
- Sponsor
- Radboud University Medical Center
Breast Cancer, Lung Cancer
Prognostic Value of Divpenia and CD4 Count in Relapsed Breast or Lung Cancer Patients
The T and B cells repertoire diversity represent one of the immune defence level which controls the integrity of the organism and determines its ability to recognize and control infectious attacks and development of tumours.
- Trial name
- LYMPHOS1 (NCT01306188)
- Testing
- Breast cancer cohort, Lung cancer cohort
- Where
- 4 sites in France
- Volunteers
- 179 people
- Sponsor
- Centre Leon Berard
Community-Acquired Pneumonia (CAP), Acute Respiratory Distress Syndrome (ARDS)
Study of Nogapendekin Alfa Inbakicept and iNKT Cells in Critically Ill Adults With Severe Community-Acquired Pneumonia
This is a Phase 3, randomized, blinded, and placebo-controlled clinical trial investigating a new combination treatment for critically ill adults who have severe community-acquired pneumonia, especially if they also have sepsis…
- Conditions
- Community-Acquired Pneumonia (CAP), Acute Respiratory Distress Syndrome (ARDS), Sepsis, Lymphopenia
- Trial name
- NCT07492875
- Testing
- Nogapendekin alfa inbakicept (NAI), agenT-797
- Sponsor
- ImmunityBio, Inc.
Severe Combined Immunodeficiency (SCID), Immunodeficiency With Predominant T-cell Defect, Unspecified
Sequential Cadaveric Lung and Bone Marrow Transplant for Immune Deficiency Diseases
The purpose of this study is to determine whether bilateral orthotopic lung transplantation (BOLT) followed by cadaveric partially-matched hematopoietic stem cell transplantation (HSCT) is safe and effective for patients aged…
- Conditions
- Severe Combined Immunodeficiency (SCID), Immunodeficiency With Predominant T-cell Defect, Unspecified, Severe Chronic Neutropenia, Chronic Granulomatous Disease (CGD)
- Trial name
- BOLT+BMT (NCT01852370)
- Testing
- CD3/CD19 negative allogeneic hematopoietic stem cells
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Paul Szabolcs
Severe Combined Immunodeficiencies (SCID)
Follow-up of the Cohort of Newborns Screened at Birth Using TREC Analysis
Since September 2025, neonatal screening for severe combined immunodeficiency (SCID) has been generalized in France. These genetic disorders, which are asymptomatic at birth, cause severe immunodeficiency, exposing infants to…
- Trial name
- DépisTrec (NCT07704281)
- Testing
- Data collection
- Where
- France
- Volunteers
- 450 people
- Sponsor
- Nantes University Hospital
Idiopathic CD4 Lymphopenia
A Single-arm, Dose-escalation Trial of Long-acting Recombinant Human IL-7 (NT-I7, Efineptakin Alfa) for Idiopathic CD4 Lymphopenia
Background: Idiopathic CD4 lymphopenia (ICL) is a syndrome characterized by low levels of certain immune cells called CD4 T cells.
- Trial name
- NCT05600920
- Testing
- Recombinant human interleukin (IL) 7-hyFc
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Corona Virus Infection
Safety Infusion of NatuRal KillEr celLs or MEmory T Cells as Adoptive Therapy in COVID-19 pnEumonia or Lymphopenia
This is a phase I/II clinical trial using adoptive cell therapy with NK cells or memory T cells in patients affected by COVID-19.
- Trial name
- RELEASE (NCT04578210)
- Testing
- T memory cells and NK cells
- Where
- Spain
- Volunteers
- 84 people
- Sponsor
- Instituto de Investigación Hospital Universitario La Paz
HIV Seropositivity, CD4+ T Lymphocytopenia
Regional Differences in Human Immunodeficiency Virus (HIV) Testing
This retrospective observational study aims at the examination of regional differences in the procedure of referral for serological HIV testing between eastern (new) and western (old) German federal states.
- Trial name
- HIVRegional (NCT03158987)
- Testing
- Medical record review
- Where
- Germany
- Volunteers
- 999 people
- Sponsor
- Jena University Hospital
Idiopathic CD4-Positive, T-Lymphocytopenia
Hematopoietic Stem Cell Mobilization in Idiopathic CD4 Lymphocytopenia Patients and Healthy Controls for the Study of T Cell Maturation and Trafficking in Murine Models
Idiopathic CD4 lymphocytopenia (ICL) is a rare syndrome defined by consistently low CD4 T cell counts (<300/mm^3) without evidence of HIV infection or other known immunodeficiency.
- Trial name
- NCT02015013
- Testing
- Filgrastim, Plerixafor
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Glioblastoma
Evaluation of Recovery From Drug-Induced Lymphopenia Using Cytomegalovirus-specific T-cell Adoptive Transfer
The purpose of this research study is to learn if your own immune cells can be activated and multiplied in order to help your body fight off the tumor cells in your brain. The safety of this procedure will also be studied.
- Trial name
- ERaDICATe (NCT00693095)
- Testing
- CMV-ALT + CMV-DCs, CMV-ALT + Saline
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- John Sampson
CD4 Lymphocytopenia, Idiopathic CD4 Positive T Lymphocytopenia
Evaluation of HIV-Negative Patients With Low CD4+ T Lymphocyte Counts
This study will evaluate HIV-negative patients with unusually low levels of CD4+ T lymphocytes (a type of white blood cell) to learn more about the clinical symptoms, cause, immunology, and biology of this problem.
- Trial name
- NCT00001319
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Idiopathic CD4+ Lymphocytopenia, Cryptococcal Meningitis
Etiology, Pathogenesis, and Natural History of Idiopathic CD4+ Lymphocytopenia
Background: Idiopathic CD4+ lymphocytopenia (ICL) is a condition in which there is a decreased level of CD4+ lymphocytes (a type of white blood cell), which can lead to opportunistic infections or autoimmune disorders and…
- Conditions
- Idiopathic CD4+ Lymphocytopenia, Cryptococcal Meningitis, Warts
- Trial name
- NCT00867269
- Where
- United States
- Volunteers
- 950 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Malignant Neoplasms Brain
Basiliximab in Treating Patients With Newly Diagnosed Glioblastoma Multiforme Undergoing Targeted Immunotherapy and Temozolomide-Caused Lymphopenia
RATIONALE: Monoclonal antibodies, such as basiliximab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread.
- Trial name
- REGULATe (NCT00626483)
- Testing
- RNA-loaded dendritic cell vaccine, basiliximab
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Gary Archer Ph.D.
Accelerated Phase Chronic Myelogenous Leukemia, Adult Acute Lymphoblastic Leukemia in Remission
Fludarabine Phosphate, Melphalan, and Low-Dose Total-Body Irradiation Followed by Donor Peripheral Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies
This phase II trial studies how well giving fludarabine phosphate, melphalan, and low-dose total-body irradiation (TBI) followed by donor peripheral blood stem cell transplant (PBSCT) works in treating patients with hematologic…
- Conditions
- Accelerated Phase Chronic Myelogenous Leukemia, Adult Acute Lymphoblastic Leukemia in Remission, Adult Acute Myeloid Leukemia in Remission, Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities
- Trial name
- NCT01529827
- Testing
- fludarabine phosphate, melphalan, total-body irradiation
- Where
- United States
- Volunteers
- 94 people
- Sponsor
- Roswell Park Cancer Institute
Glioblastoma, Gliosarcoma
EGFRvIII CAR T Cells for Newly-Diagnosed WHO Grade IV Malignant Glioma
Please note that enrollment on this study terminated early due to the end of grant funding. Newly diagnosed WHO grade IV malignant glioma subjects who are eligible were enrolled following surgery to remove their brain tumor.
- Trial name
- ExCeL (NCT02664363)
- Testing
- EGFRvIII CAR T cells
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Daniel Landi
Lung Cancer, Surgery
Expression of the Inhibitory Receptors on Lymphocytes T Cells After Lung Cancer Surgery.
Postoperative pneumonia is one of the most common complications after lung cancer surgery and associated with a morbidity and mortality.
- Trial name
- POIR (NCT03549546)
- Testing
- Blood samples
- Where
- France
- Volunteers
- 31 people
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Relapsing Multiple Sclerosis
Role of ADA SNPs in Subjects With Relapsing Multiple Sclerosis (RMS)
Multiple Sclerosis (MS) is a chronic autoimmune demyelinating disease of the central nervous system (CNS), which is highly heterogeneous in terms of clinical symptoms, MS subtypes and treatment response.
- Trial name
- NCT04121065
- Testing
- Blood withdrawal
- Where
- Italy
- Volunteers
- 150 people
- Sponsor
- Neuromed IRCCS
Idiopathic CD4+ T-Lymphocytopenia
Interleukin-7 (CYT107) Treatment of Idiopathic CD4 Lymphocytopenia: Expansion of CD4 T Cells (ICICLE)
Background: Idiopathic CD4 lymphocytopenia (ICL) is a condition in which patients have low levels of T cells, a type of white blood cell that helps fight infection.
- Trial name
- NCT00839436
- Testing
- CYT107
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)