Clinical trials: B Cells
Influenza
B Cell and Antibody Response to Seasonal Influenza Vaccines in Younger and Older Adults
This study will examine how various FDA-approved seasonal influenza vaccine types, used in a manner consistent with their approved use, impact the characteristics of influenza specific antibodies in humans, and how these…
- Trial name
- NCT04101838
- Testing
- Fluzone, Flucelvax, Fluzone High-Dose
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Chronic Periodontitis, Aggressive Periodontitis
B Cell Functions in Periodontitis
The inflammatory response involves many players from the immune response, including B lymphocytes. These cells are responsible for the synthesis of immunoglobulins in response to the presence of an antigen.
- Trial name
- LBPARO (NCT02833285)
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest
HIV Infections, Hepatitis C Virus
Pilot Study to Assess Gut Mucosal B Cells in Individuals With HCV and HIV
This pilot study aims to study gut B cells in HCV+HIV+, HCV+HIV-, HCV-HIV+, and HCV-HIV- volunteers. Volunteers will undergo a screening blood draw and flexible sigmoidoscopy with biopsy.
- Trial name
- NCT01040039
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Virus Diseases
Modelling the Interaction Between Synthetic Model Immunogens and the Induced B and T Cell Repertoires.
MOSAIC is a single-blind experimental medicine study to determine the extent to which different prime-boost combinations of model immunogens based on HIV-1 envelope proteins influence the diversity of B and T cell responses.
- Trial name
- MOSAIC (NCT04046978)
- Testing
- ConM SOSIP 50 ug and ConS UFO 50 ug, Mos3.1 100 ug, Mos3.2 100 ug
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- Imperial College London
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
Hematologic Diseases, Hematologic Malignancy
CD34+ Enriched Transplants From HLA-Compatible Patients With Hematologic Malignancies
This is a Phase II trial testing disease-specific myeloablative conditioning regimens for preparatory cytoreduction of patients receiving allogeneic HLA-compatible related or unrelated transplants of GCSF-mobilized peripheral…
- Conditions
- Hematologic Diseases, Hematologic Malignancy, Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia
- Trial name
- 2019-KOE-001 (NCT04282174)
- Testing
- CliniMACS, Bone Marrow Transplant, Hyperfractionated Total Body Irradiation
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Baptist Health South Florida
Diphtheria, Tetanus
Evaluating a Caregiver SMS Reminder Intervention to Reduce Immunization Drop-out in Arua, Uganda
Faced with high rates of immunization drop-out, Uganda's immunization program requires innovative approaches to address this weakness.
- Conditions
- Diphtheria, Tetanus, Pertussis, Polio
- Trial name
- NCT04177485
- Testing
- SMS text reminders
- Volunteers
- 1,962 people, healthy volunteers welcome
- Sponsor
- Centers for Disease Control and Prevention
Acute Lymphoblastic Leukemia ALL, Chronic Lymphocytic Leukemia (CLL)
Role of SF3B1 Mutation in Assessment of Acute and Chronic Lymphatic Leukemia
aim of the work 1. To evaluate the presence of SF3B1-K700E mutation in acute lymphoblastic leukemia and chronic lymphocytic leukemia. 2.
- Trial name
- NCT07113132
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Safaa Ali
CLL, SLL
A Time-Limited Approach to Treatment With Ibrutinib for Chronic Lymphocytic Leukemia and Small Lymphocytic Lymphoma
The purpose of this study is to find out whether people with CLL or SLL who are currently receiving treatment with ibrutinib can stop treatment and remain off-treatment for at least 12 months, if they have achieved complete or…
- Conditions
- CLL, SLL, CLL/SLL, Chronic Lymphocytic Leukemia
- Trial name
- NCT04694560
- Testing
- Treatment Free Observation
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Memorial Sloan Kettering Cancer Center
Diphtheria, Hepatitis B
Pilot Study Freeze and Transport Immune Cells
To evaluate and standardize umbilical cord specimen collection and laboratory procedures to evaluate cellular and serological immune responses in neonates and young infants
- Conditions
- Diphtheria, Hepatitis B, Pertussis, Poliomyelitis
- Trial name
- NCT00138268
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Chronic Lymphocytic Leukemia
Polymorphism of ITGA4 Gene in Chronic Lymphocytic Leukemia
Chronic lymphocytic leukemia (CLL) is a clonal lymphoproliferative disorder that is characterized by heterogeneous presentation at the clinical and molecular levels.
- Trial name
- NCT05371392
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sohag University
Hemophilia A, Hemophilia B
Pre-clinical Models for Mesenchymal Stem Cell Therapy in Hemophilic Arthropathy
Hemophilia is a constitutional coagulation disorder responsible for a hemorrhagic phenotype in patients from an early age. Hemarthrosis is one of the most frequent complications in hemophiliacs and leads to the development of…
- Conditions
- Hemophilia A, Hemophilia B, Arthropathy
- Trial name
- NCT05187936
- Where
- France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Neoplasms, Leukemia, Lymphocytic, Chronic
Intermittent Fasting and CLL/SLL
What are the investigators trying to do? By most measures, humans consume more food than needed. Over several decades, overconsumption has led to an increase in a number of diseases, including cancer.
- Conditions
- Neoplasms, Leukemia, Lymphocytic, Chronic, Lymphoma, Small Lymphocytic, Intermittent Fasting
- Trial name
- NCT04626843
- Testing
- Intermittent fast
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Eleah Stringer
Cancer
Laboratory Assay in Determining Cancer Resistance in Patients With Metastatic Cancer and in Healthy Participants
RATIONALE: Studying samples of blood and tissue in the laboratory from patients with cancer and from healthy participants may help doctors learn more about cancer.
- Trial name
- NCT00899496
- Testing
- immunological diagnostic method, physiologic testing
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
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
Healthy Subjects, Cold Urticaria
A Phase 1 Study of GTX-B001 in Healthy Subjects and Patients With Chronic Inducible Urticaria
This is a first-in-human study aimed at determining the safety of a single dose of GTX-B001 in healthy participants and in people with chronic inducible urticaria.
- Conditions
- Healthy Subjects, Cold Urticaria, Symptomatic Dermographism, Chronic Inducible Urticaria
- Trial name
- CHILL-MC (NCT07181369)
- Testing
- GTX-B001, Normal Saline
- Where
- 5 sites in Germany
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Granular Therapeutics Limited
Hepatitis B
Characterisation of Human B Cell Maturation in Response to Vaccination
This study is an exploratory single site sample collection study at St Mary's hospital campus, Imperial College London. Sixteen participants scheduled to receive routine immunizations for Td/IPV (group 1) and HBsAg (group 2) will…
- Trial name
- BVAC (NCT03535779)
- Testing
- Hepatitis B, Tetanus Toxoid
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Chronic Hepatitis B Virus
Gene Discovery in CHB Patients to Identify Unknown Pathways That Lead to B and NK Cell Deregulation
Natural Killer (NK) and B cell immune responses occur during the early stages of infection and are essential to eradicate it. Yet, chronic hepatitis B (CHB) infection occurs because the antiviral immune response is insufficient.
- Trial name
- LiNKeB2 (NCT06853886)
- Testing
- blood sample HBV patient, blood sample healthy volunteers
- Where
- 3 sites in France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University Hospital, Limoges
Polycystic Ovarian Syndrome, Pelvic Endometriosis
Prevalence of HbA1C in Women With PCOS
Women with PCOS have been observed to be potential diabetics.Recently,American Diabetes Association has suggested screening of women with PCOS for HbA1C.
- Conditions
- Polycystic Ovarian Syndrome, Pelvic Endometriosis, Insulin Resistance, Non-insulin Dependent Diabetes Mellitus
- Trial name
- WHI (NCT01838122)
- Where
- India
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Southern Cross Fertility Centre
COVID 19
B Cell Responses in COVID-19
In this study, we will develop techniques to optimize the in vitro production of human monoclonal antibodies.
- Trial name
- NCT06891170
- Where
- Italy
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Policlinico San Matteo di Pavia