Clinical trials: T-Lymphocytopenia
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
Primary Immunodeficiency Disorders
The Mechanistic Biology of Primary Immunodeficiency Disorders
Background: Primary immunodeficiency disorders, or PIDs, are diseases that weaken the immune system. This makes it easier for a person to get sick. Some PIDs are mild and may not be diagnosed until later in life.
- Trial name
- NCT03394053
- Where
- 2 sites in United States
- Volunteers
- 1,190 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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)
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
Severe Combined Immunodeficiency, T Cell Lymphocytopenia
Newborn Screening for Severe Combined Immunodeficiency (SCID) in a High-Risk Population
The goal of the proposed research is to establish the validity of a newborn screening method for severe combined immunodeficiency (SCID).
- Trial name
- NCT00845416
- Where
- 2 sites in United States
- Volunteers
- 1,800 people
- Sponsor
- University of California, San Francisco
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
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
AML, CML
Safety Study of IL-7 in Recipients of a Hemopoietic Stem Cell Transplant Peripheral Blood Stem Cell Transplant
This is a phase I inter-patient dose escalation open labeled study assessing multiple doses of CYT107 in patients of at least 15 years of age, who are recipients of HLA matched ex vivo T cell depleted bone marrow or peripheral…
- Conditions
- AML, CML, MDS
- Trial name
- NCT00684008
- Testing
- CYT107 - Recombinant glycosylated human interleukin 7., rhIL-7 (CYT107)
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Cytheris, Inc.
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
Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Acute Leukemia in Remission
Fludarabine Phosphate, Cyclophosphamide, Total Body Irradiation, and Donor Stem Cell Transplant in Treating Patients With Blood Cancer
This phase II trial studies how well fludarabine phosphate, cyclophosphamide, total body irradiation, and donor stem cell transplant work in treating patients with blood cancer.
- Conditions
- Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Acute Leukemia in Remission, Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia
- Trial name
- NCT03333486
- Testing
- Cyclophosphamide, Fludarabine Phosphate, Laboratory Biomarker Analysis
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Roswell Park Cancer Institute