Clinical trials: B Cell
Hepatitis C Virus
Hepatitis C Virus and the Humoral Immune System
The purpose of this study is to measure specific chemokines, antibodies, and antibody-producing B cells in the blood of patients with hepatitis C virus (HCV) infection.
- Trial name
- NCT00219999
- Where
- United States
- Volunteers
- 161 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
COVID-19
Investigation of the B- and T-cell Repertoire and Immune Response in Patients With Acute and Resolved COVID-19 Infection
Background: People who get infected with COVID-19 have an unpredictable risk to worsen and die. This makes it hard to decide who can quarantine at home and who should be treated at a hospital.
- Trial name
- NCT04362865
- Where
- 4 sites in United States
- Volunteers
- 679 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Leukemia
Production of Clinical-grade Anti-CD19 Chimeric Antigen Receptor T Cells for Refractory B-cell Malignancies
Immunotherapy is a promising therapeutic approach for patients with cancers. Patients with acute lymphoblastic leukemia (ALL) experiencing early relapse less than 18 months from diagnosis had very poor prognosis with 5-year…
- Trial name
- NCT03624686
- Testing
- peripheral blood
- Where
- Taiwan
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Influenza
B-cell Immunity to Influenza (SLVP017)- Year 1, 2009
This is an exploratory study using a strategy that has not been previously employed to investigate the effects of age and vaccine type on specific kinds of immune responses to licensed, seasonal 2009-2010 influenza vaccines in…
- Trial name
- NCT02133781
- Testing
- Fluzone® 2009-2010 Formula, FluMist® 2009-2010 Formula
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Stanford University
Monoclonal B-Cell Lymphocytosis, Chronic Lymphocytic Leukemia
Risk and Clinical Consequences of Low Count Monoclonal B-cell Lymphocytosis (LC MBL)
The aim of this proposal is to identify immune biomarkers, genetic risk, and the clinical consequences of low count monoclonal B-cell lymphocytosis (LC MBL), a common premalignant condition affecting up to 17% of European adults…
- Conditions
- Monoclonal B-Cell Lymphocytosis, Chronic Lymphocytic Leukemia, Infections, Cancers
- Trial name
- MBL RiskConseq (NCT06416267)
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- University of Haifa
Diffuse Large B Cell Lymphoma
ZR-CHOP in DLBCL With Specific Gene Abnormality
This is a phase 2, single center clinical trial. to evaluating the efficacy and safety of Zanubrutinib in combination with R-CHOP in newly diagnosed diffuse large B-cell lymphoma with specific gene abnormality.
- Trial name
- NCT05290337
- Testing
- zanubrutinib
- Where
- China
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Fudan University
Follicular Lymphoma
Revlimid Dose 25 mg in Association With (R-CHOP) in the Treatment Follicular Lymphoma
The purpose of the study is to assess the efficacy of the association of Lenalidomide (Revlimid) and R-CHOP (Rituximab, Cyclophosphamide, Doxorubicin, vincristine and Prednisone) in a population of patients with follicular…
- Trial name
- R2-CHOP2 (NCT01393756)
- Testing
- Lenalidomide and R-CHOP
- Where
- 24 sites in France
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Lymphoma Academic Research Organisation
Pneumococcal Disease
Pneumococcal Adult Kinetics Study - Understanding the B Cell Response to Pneumococcal Vaccines
This is an open-label phase III clinical trial. The purpose of this trial is to investigate in detail the kinetics of the immune response to Prevenar-13, a pneumococcal conjugate vaccine, compared to Pneumovax-II, a pneumococcal…
- Trial name
- NCT01432158
- Testing
- Prevenar 13, Pneumovax II
- Where
- United Kingdom
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Chronic Lymphocytic Leukemia
Characterization of Proliferating Compartment in B-Cell Patients and in Healthy Aging Subjects
By ingesting a non-radioactive and non-toxic compound "heavy water" for 6 weeks, the DNA of newly developed cells in the body of subjects with B-cell chronic lymphocytic leukemia can be labeled and followed by performing routine…
- Trial name
- NCT01110863
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Immune Tolerance
Pneumococcal Conjugate Vaccine Followup
Recently, controversy has emerged regarding the role of the 23vPPV in infants due to potential immunological hypo-responsiveness (i.e. a poorer immune response to repeat vaccination).
- Trial name
- PCVFU (NCT01414504)
- Testing
- Prevenar + PPV, Infant PCV (Prevenar) + PPV at 9 months, No Prevenar + PPV at 9 months
- Where
- Papua New Guinea
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- William Pomat
Lymphoma,Non-Hodgkin, Diffuse Large B Cell Lymphoma
The Value and Mechanisms for Monocytes Subpopulations in Predicting the Prognosis of Lymphomas
The purpose of this study is to determine whether the CD16- monocyte/CD16+ monocyte ratio could help predict the prognosis of DLBCL and PTCL.
- Conditions
- Lymphoma,Non-Hodgkin, Diffuse Large B Cell Lymphoma, Peripheral T-Cell Lymphoma
- Trial name
- NCT03000738
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Membranous Nephropathy
Effect of B-cell Depleting Therapies on PLA2R-specific B Cells in Patients With Membranous Nephropathy
This is a non-pharmacological interventional monocentric study to primarily assess the levels of circulating phospholipase A2 receptor (PLA2R)-specific B cells in patients with PLA2R-mediated MN enrolled in the ORION and MONET…
- Trial name
- DEEPER (NCT06994468)
- Testing
- Flow-cytometry tetramer-based antigen-bait assay
- Where
- Italy
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Mario Negri Institute for Pharmacological Research
Plasmodium Falciparum Malaria
Experimental Vaccine for Malaria in Adults in Mali
This study will determine the highest dose of an experimental vaccine called AMA1-C1 that can safely be given to adults exposed to malaria.
- Trial name
- NCT00343005
- Testing
- AMA1-C1, AMA1-C1/alhydrogel Malaria Vaccine
- Where
- Mali
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Leukemia, Lymphocytic, Chronic, B-Cell
Treatment of Chronic Lymphocytic Leukemia
CLL is a disease of the elderly, identifying effective therapies with better toxicity profiles is thus a high priority, and targeted therapies may allow attainment of this goal.
- Trial name
- NCT02757586
- Testing
- shRNA
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Healthy Volunteers
Immunoglobulin Gene Rearrangement and Repair in Healthy Donors
B-cells ensure humoral immune response against antigens (Ag) thanks to their receptor (BCR). V(D)J rearrangement, somatic hypermutation, immunoglobulin (Ig) class switch and locus suicide recombination are…
- Trial name
- R2IGH (NCT04889573)
- Testing
- Blood sample
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Hospital, Limoges
Healthy
A Study to Assess the Safety, Reactogenicity and Immunogenicity of a Trivalent Inactivated Poliovirus Vaccine (IPV) Based on Sabin Strains Compared to Conventional Salk IPV in a 6, 10 and 14 Weeks of Age Immunization Schedule
The purpose of this study is to assess the safety and reactogenicity of 3 different dose levels of inactivated poliovirus vaccine based on Sabin strains (sIPV) in healthy participants, using conventional Salk IPV (cIPV) as an…
- Trial name
- NCT03566940
- Testing
- sIPV, cIPV
- Where
- 3 sites in Philippines
- Volunteers
- 302 people, healthy volunteers welcome
- Sponsor
- Janssen Vaccines & Prevention B.V.
Brain and Central Nervous System Tumors, Leukemia
Decision Making About Participating in Pharmacokinetic Studies in Patients Enrolled in a Phase I Treatment Clinical Trial
RATIONALE: Gathering information about why patients or their guardians agree or decline to participate in the optional pharmacokinetic portion of a phase I treatment study may help doctors plan clinical trials in the future.
- Conditions
- Brain and Central Nervous System Tumors, Leukemia, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
- Trial name
- NCT00890435
- Testing
- questionnaire administration, psychosocial assessment and care
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Children's Oncology Group
Acute Lymphoblastic Leukemia, B Acute Lymphoblastic Leukemia, Philadelphia Chromosome Negative
Combination Chemotherapy With or Without Blinatumomab in Treating Patients With Newly Diagnosed BCR-ABL-Negative B Lineage Acute Lymphoblastic Leukemia
This randomized phase III trial studies combination chemotherapy with blinatumomab to see how well it works compared to induction chemotherapy alone in treating patients with newly diagnosed breakpoint cluster region (BCR)-c-abl…
- Trial name
- NCT02003222
- Testing
- Allogeneic Hematopoietic Stem Cell Transplantation, Biospecimen Collection, Blinatumomab
- Where
- 544 sites in United States, Canada and 2 more
- Volunteers
- 488 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Type1 Diabetes Mellitus
PET-CT Scan Method to Monitor Pancreatic B-Cell Loss in Diabetes Mellitus
The pancreas is an organ that plays major roles in the digestion of food. A part of the pancreas called islet beta-cells produces insulin, which regulates the amount of glucose (a sugar) present in the blood at all times.
- Trial name
- NCT00633763
- Testing
- 18F-fallypride
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Multiple Sclerosis
Phenotypic and Functional Study of 4BL B Cells in Multiple Sclerosis (MS)
Recent works highlight the B cells involvement in multiple sclerosis (MS) pathology but their role remains poorly understood. It was previously described that activated memory B cells called 4BL due to the increased expression of…
- Trial name
- 4BLMS (NCT03796611)
- Where
- France
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille