Clinical trials: B Cell
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
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
Diphtheria, Tetanus
A Phase II/III Study to Evaluate the Immunogenicity, Safety and Lot-to-lot Consistency of LBVD, a Fully Liquid Hexavalent Diphtheria-tetanus-whole Cell Pertussis-hepatitis B-poliovirus-Haemophilus Influenzae Type b Conjugate (DTwP-HepB-IPV-Hib) Vaccine, in Healthy Infants as Primary Series
The purpose of this study is to evaluate immunogenicity, safety and lot-to-lot consistency of LBVD in comparison to co-administration of Pentavalent vaccine and Poliomyelitis Vaccine (Inactivated) in separate injections at four…
- Conditions
- Diphtheria, Tetanus, Pertussis, Hepatitis B
- Trial name
- NCT06947499
- Testing
- LBVD, Pentavalent vaccine and Inactivated Polio vaccine
- Where
- Philippines
- Volunteers
- 1,186 people, healthy volunteers welcome
- Sponsor
- LG Chem
Hepatitis C
Characterization of Clonal B Cell Populations in HCV Infection
The purpose of this study is to investigate the mechanism of autoantibody production during chronic hepatitis C virus (HCV) infection. 10-50% of individuals with HCV have symptoms of mixed cryoglobulinemia (MC).
- Trial name
- NCT00435201
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Influenza
Safety, Tolerability, and Immunogenicity of GC3106 (Quadrivalent Cell-culture Based Influenza Vaccine)
The purpose of this study is to evaluate the safety, tolerability, and immunogenicity of GC3106 after single intramuscular administration in Korean healthy adults.
- Trial name
- NCT02249221
- Testing
- Quadrivalent cell-culture based influenza vaccin, Trivalent influenza vaccine
- Where
- South Korea
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Green Cross Corporation
HIV Infections
Immunologic Memory (Supp. of ATN 024)
This is an exploratory, laboratory-based evaluation of cellular immune response to immunization with hepatitis B surface antigen in HIV-infected and HIV-uninfected adolescents. This is a substudy of ATN 024 and ATN 025.
- Trial name
- NCT00142753
- Testing
- Engerix B, Twinrix for ATN 024, Recombivax
- Where
- 4 sites in United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Covid19, Chronic Kidney Diseases
The REnal Patients COVID-19 VACcination Immune Response (RECOVAC IR) Study
Rationale: COVID-19 is associated with severely increased morbidity and mortality in patients with severely impaired kidney function, on dialysis or alive with a kidney transplant.
- Trial name
- RECOVAC-IR (NCT04741386)
- Testing
- SARS-CoV-2 vaccination
- Where
- 4 sites in Netherlands
- Volunteers
- 854 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Large B-cell Lymphoma, Diffuse Large B-cell Lymphoma
Chimeric Antigen Receptor (CAR) T Cell Therapy With YESCARTA in the Outpatient Setting
We hope to demonstrate that YESCARTA can be safely administered in the outpatient setting if we closely monitor subjects with physical exams, wearable devices, and telemedicine visits and only admit those who meet specified…
- Trial name
- NCT05108805
- Testing
- Telemedicine Visit, Vital sign measurements, Out-Patient Clinic Visit
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Vanderbilt-Ingram Cancer Center
Pharmacokinetics of ASKP1240, Healthy Volunteers
Study of ASKP1240 After a Single Intravenous Dose at Escalating Dose Levels in Healthy Subjects
The objective of this study is to evaluate the safety, tolerability, pharmacodynamics and pharmacokinetics of ASKP1240 after a single intravenous dose at escalating dose levels in healthy subjects.
- Trial name
- NCT01565681
- Testing
- ASP1240
- Where
- United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Astellas Pharma Global Development, Inc.
Vitamin A Deficiency
Efficacy of Newborn Vitamin A Supplementation in Improving Immune Function
Vitamin A supplementation at birth may increase survival of infants through one year of age by reducing mortality from infectious diseases, though current studies are not conclusive on this point.
- Trial name
- NCT01583972
- Testing
- retinyl palmitate
- Where
- Bangladesh
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Acute Myeloid Leukemia, Chronic Lymphocytic Leukemia
Haploidentical Allogeneic Peripheral Blood Transplantation: Examining Checkpoint Immune Regulators' Expression
The standard Johns Hopkins' regimen will be used in study subjects, with the use of donor peripheral blood stem cells, rather than marrow.
- Conditions
- Acute Myeloid Leukemia, Chronic Lymphocytic Leukemia, Chronic Myeloid Leukemia, Myelodysplasia
- Trial name
- NCT03480360
- Testing
- Cyclophosphamide, Fludarabine, Total Body Irradiation
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Congenital Hemolytic Anemia, Sickle Cell Disease
Improving the Results of Bone Marrow Transplantation for Patients With Severe Congenital Anemias
People with severe congenital anemias, such as sickle cell anemia and beta-thalassemia, have been cured with bone marrow transplantation (BMT).
- Trial name
- NCT00061568
- Testing
- Peripheral blood hematopoietic progenitor cell (PBPC) transplant, Alemtuzumab, Peripheral blood hematopoietic progenitor cell Apheresis
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Multiple Sclerosis
Safety and Dose-finding Study of DC-TAB in Healthy Subjects
The purpose of this study is to determine safety and appropriate dose of DC-TAB for selective immune tolerance induction in humans.
- Trial name
- NCT02442557
- Testing
- recombinant human alpha B-crystallin
- Where
- Netherlands
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Delta Crystallon BV
Bioavailability, B-cell Lymphoid Cancer
A Study to Evaluate Relative Bioavailability, Proton Pump Inhibitor (PPI) (Rabeprazole) Effect, Food Effect and Particle Size Effect of New Acalabrutinib Tablet in Healthy Subjects
This study will be a 2-part, open-label, single-center relative bioavailability, PPI effect, food-effect and particle size effect randomized crossover study of acalabrutinib tablets in healthy subjects (males or females).
- Trial name
- NCT04488016
- Testing
- Treatment A- Part 1, Treatment B- Part 1, Treatment C - Part 1
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Diphtheria, Tetanus
Randomized Controlled Trial of the Impact of Mobile Phone Delivered Reminders and Travel Subsidies to Improve Childhood Immunization Coverage Rates and Timeliness in Western Kenya
The project goal is to conduct a randomized controlled trial (RCT) to test whether mobile phone short message system (SMS) reminders, either with or without mobile-phone based travel subsidies will improve timeliness, coverage…
- Conditions
- Diphtheria, Tetanus, Pertussis, Hepatitis B
- Trial name
- m-SIMU (NCT01878435)
- Testing
- SMS reminder, Travel subsidy, Travel subsidy 2
- Where
- Kenya
- Volunteers
- 2,018 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Hairy Cell Leukemia (HCL), Chronic Lymphocytic Leukemia (CLL)
Collection of Human Samples to Study Hairy Cell and Other Leukemias, and to Develop Recombinant Immunotoxins for Cancer Treatment
Background: Researchers who are studying hairy cell leukemia, and how the disease compares with other disorders, are interested in obtaining additional samples from leukemia patients and healthy volunteers.
- Conditions
- Hairy Cell Leukemia (HCL), Chronic Lymphocytic Leukemia (CLL), Non-Hodgkins Lymphoma (NHL), Cutaneous T Cell Lymphoma (CTCL)
- Trial name
- NCT01087333
- Where
- United States
- Volunteers
- 1,263 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Lymphoproliferative Disorders, Premalignant
Familial B-cell Lymphoproliferative Disorders
This study investigates families with at least two cases of B-cell lymphoproliferative disorders (LPD), and evaluates the prevalence of LPD in families, the relationship between medical history, genetic factors, and the risk of…
- Conditions
- Lymphoproliferative Disorders, Premalignant, Monoclonal B-Cell Lymphocytosis, Chronic Lymphocytic Leukemia
- Trial name
- Familial_LPD (NCT05718986)
- Testing
- No intervention
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of Haifa
Common Variable Immunodeficiency, Granulomatous Disease
Lymphocyte Immunophenotyping in Common Variable Immunodeficiency
The purpose of this study is to discover if differences in the surface markers of B-cells (antibody producing cells of the immune system) in Common Variable Immune Deficiency (CVID) are related to CVID or its…
- Conditions
- Common Variable Immunodeficiency, Granulomatous Disease, Bronchiectasis, Immunoglobulin Treatment
- Trial name
- NCT01196702
- Where
- United Kingdom
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Barts & The London NHS Trust
Systemic Sclerosis
Analysis of Dermal Fibroblasts and Immune Cells During Systemic Sclerosis
The pathophysiology of systemic sclerosis (SSc) is still poorly understood and there are no effective treatments for this disease. SSc is a heterogeneous disease with varying severity.
- Trial name
- Skin-SSC (NCT05273138)
- Testing
- Blood sampling and skin biopsy
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille
Acute Myocardial Infarction
Molecular and Morphologic Characterization of Circulating Endothelial Cells
The primary hypothesis of this study is that circulating endothelial cells (CECs) harbor key genetic and structural characteristics predisposing individuals to acute atherosclerotic plaque rupture and heart attack.
- Trial name
- CEC (NCT01005485)
- Where
- United States
- Volunteers
- 664 people, healthy volunteers welcome
- Sponsor
- Scripps Translational Science Institute