Clinical trials: B Cell
HIV, Sickle Cell Disease
Point-of-Delivery Prenatal Test Results Through mHealth to Improve Birth Outcome
The investigators propose to adopt sustainable community networks (in this case churches) to implement an integrated community-based screening that incorporates mobile health technology (mHealth) to make prenatal test results…
- Conditions
- HIV, Sickle Cell Disease, Hepatitis B
- Trial name
- mHealth (NCT03027258)
- Testing
- mHealth
- Where
- Nigeria
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of Nevada, Las Vegas
Non-Alcoholic Fatty Liver Disease
Role of Regulatory B Cells in the Pathogenesis of Metabolic Associated Fatty Liver Disease
To evaluate the role of regulatory B cells in the pathogenesis of metabolic associated fatty liver disease patients.
- Trial name
- NCT04720560
- Testing
- regulatory B cell by flow cytometry
- Where
- Egypt
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Assiut University
Healthy
Studies of In Vitro B Lymphocyte Responses in Subjects Receiving Tetanus Toxoid Booster Immunization
One of the major interests of this laboratory is the characterization of the cellular subpopulations involved in the triggering and immunoregulation of B lymphocytes to produce antibodies.
- Trial name
- NCT00001173
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Systemic Lupus Erythematosus
Abnormalities of B Lymphocytes During Systemic Lupus
Previous experimental data strongly suggest that B lymphocytes have intrinsic abnormalities during lupus in mice spontaneously affected by the disease.
- Trial name
- NCT00401141
- Testing
- Blood samples
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Diffuse Large B-Cell Lymphoma, Follicular Lymphoma
Understanding the Role of Large Extracellular Vesicles in Lymphomas and Lymphoproliferative Disorders: the "Off the Beaten Track" Liquid Biopsy
This study aims to investigate the role of extracellular vesicles as diagnosic and prognostic biomarkers in patients with lymphomas or lymphoproliferative disorders.
- Conditions
- Diffuse Large B-Cell Lymphoma, Follicular Lymphoma, Marginal Zone Lymphoma(MZL), Mycosis Fungoides
- Trial name
- NCT06782854
- Where
- Italy
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna
Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma, Indolent Non-hodgkin Lymphoma
The Effects of Exercise on Immune Phenotype of Indolent Non-Hodgkin Lymphoma and Chronic Lymphocytic Leukemia Patients
This clinical trial studies the effect of short-term (acute) and long-term (chronic) exercise on immune characteristics and function (phenotype) of patients with indolent non-Hodgkin lymphoma (NHL) and chronic lymphocytic…
- Trial name
- NCT05876923
- Testing
- Biospecimen Collection, Cardiopulmonary Exercise Testing, Dual X-ray Absorptiometry
- Where
- 2 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Healthy Volunteers
Analyzes of Nasal Tissue-resident Memory Immune Cells and Peripheral Memory Cells Able to Migrate to Airway Tissues (MUCOVAC)
Clinical evaluation of vaccines against respiratory viruses is currently based on the analysis of systemic immune responses, whereas respiratory immunity is the first line of defense against respiratory pathogens.
- Trial name
- MUCOVAC (NCT06469359)
- Testing
- Nasal tissue-resident memory T and B cells, Nasal fluid sampling, Saliva sampling
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Chronic HBV Infection, Drug Withdrawal
Effects of T-bet B Cells in Persistent Virus Control After Discontinuance of NAs in CHB Patients
The immune mechanism of the nucleos(t)ide analogs (NAs) in inhibiting HBV replication effectively while having a low sustained virus control rate after drug withdrawal is unclear.
- Trial name
- NCT06029634
- Testing
- T-bet B cell
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Brain and Central Nervous System Tumors, Leukemia
Metabolic Syndrome in Childhood Cancer Survivors
RATIONALE: Gathering information about how often metabolic syndrome occurs in young survivors of childhood cancer may help doctors learn more about the disease.
- Conditions
- Brain and Central Nervous System Tumors, Leukemia, Lymphoma, Metabolic Syndrome
- Trial name
- NCT00920738
- Testing
- metabolic assessment, questionnaire administration
- Where
- United States
- Volunteers
- 512 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Disease/Condition Name Cancer-related Cognitive Dysfunction, Chronic Lymphocytic Leukemia (CLL)
Impact of Targeted Therapy on Cancer-Related Cognitive Impairment
This study examines whether there are differences in brain health or well-being in patients receiving TKI therapy for leukemia compared to individuals who do not receive TKI therapy.
- Conditions
- Disease/Condition Name Cancer-related Cognitive Dysfunction, Chronic Lymphocytic Leukemia (CLL), Chronic Myeloid Leukemia, BCR-ABL1 Positive
- Trial name
- TKI (NCT07638007)
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of Rochester NCORP Research Base
Healthy
3Sm Challenge Model Protocol
The 3Sm challenge study is a small clinical study in eight healthy volunteers who will be injected with a protein which includes a short portion ('3Sm peptide') which is derived from a part (the '3S region') of the coat protein…
- Trial name
- NCT04753892
- Testing
- 3SM2-G-CRM197 with squalene adjuvant
- Where
- United Kingdom
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Rheumatoid Arthritis
JAK-i on RA B-lymphocytes Tolerance and Disease Resolution Through JAK Signaling In Rheumatoid Arthritis
The study will reveal the transcriptomic signature linked to the aberrant activation of B lymphocytes in RA identifying novel molecular potential targets for inflammation resolution and immune tolerance promotion.
- Trial name
- NCT05754112
- Testing
- B lymphocyte profiling
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Vitamin B12 Deficiency
Autoantibodies to Gastric Parietal Cells in Rheumatoid Arthritis Patients
A review of the literature reveals that very few studies have assessed the potential co-existence of vitamin B12 deficiency due to gastric parietal cell autoantibodies. While Segal et al.
- Trial name
- NCT01876329
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Keesler Air Force Base Medical Center
B-Cell Neoplasm
Vaccine Responsiveness After CAR-T Cell Therapy
This phase I trial will use the inactivated rabies virus vaccine to assess immune function in patients who previously underwent B cell targeted chimeric antigen receptor-modified T cell immunotherapy (CARTx).
- Trial name
- NCT04410900
- Testing
- Wistar Rabies Virus Strain PM-1503-3M Vaccine, Biospecimen Collection
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Fred Hutchinson Cancer Center
Primary Central Nervous System Lymphoma (PCNSL), Diffuse Large B-Cell Lymphoma
Metabolic and Immunomic Differential Analysis of Primary Central Nervous System Diffuse Large B-Cell Lymphoma
This study is a prospective cohort study. The case group will include patients with primary central nervous system lymphoma confirmed by imaging and pathology.
- Trial name
- NCT07188077
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ting YANG
Non Hodgkin Lymphoma, Hodgkin Lymphoma
Thiotepa-based Conditioning for Allogeneic Stem-cell Transplantation (SCT) in Lymphoid Malignancies
The study hypotheses is that the introduction of dose escalated thiotepa, in substitution to busulfan or melphalan, will reduce toxicity after allogeneic transplantation while improving disease eradication in patients with…
- Conditions
- Non Hodgkin Lymphoma, Hodgkin Lymphoma, Chronic Lymphocytic Leukemia, Multiple Myeloma
- Trial name
- NCT02507479
- Testing
- Thiotepa
- Where
- 2 sites in Israel
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Lymphoma Diffuse Large B-cell
Occupational Exposure to Pesticides in the Prognosis of Lymphomas
The link between the products of synthetic chemistry and cancer is at the heart of much research. Recent work has identified the use of plant protection agents by farmers as a risk factor for developing non-Hodgkin lymphoma…
- Trial name
- ProLyPhy (NCT02898870)
- Where
- France
- Volunteers
- 244 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Influenza
Protective Mechanisms Against a Pandemic Respiratory Virus (SLVP024)
The purpose of the study is to investigate and compare the human immune response in epithelial cells of the nasopharyngeal mucosa and in blood to live, attenuated influenza vaccine (LAIV) in adults and in children.
- Trial name
- NCT03023683
- Testing
- FluMist®
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Stanford University
Labor, Premature
Correlation Between Vitamin D and B Regulatory Cell in Pregnancy
During pregnancy , the maternal immune system is always confronted with fetal alloantigens. the immunological mechanisms that prevent the rejection of the fetus are still not under understood.
- Trial name
- NCT04105881
- Testing
- Investigation
- Where
- 2 sites in Egypt
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Assiut University
Multiple Sclerosis
Mechanistic Study of Ocrevus
The purpose of this study is to investigate the immune cell and other factor changes with Ocrevus in Multiple Sclerosis (MS) patients. Researchers will recruit 35 participants for this study.
- Trial name
- NCT04459988
- Testing
- Ocrelizumab
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Michigan