Clinical trials: T Cells
Identify the Viral Epitopes of Memory CD8 T Cells From Individuals That Have Recovered From SARS-CoV-2 Infection, Determine Which SARS-CoV-2 Proteins Are Frequently Recognized by T Cells in Patients With Varying HLA Types
Blood Collection Study From COVID-19 Convalescents Previously Hospitalized to Identify Immunogenic Viral Epitopes
The COVID-19 pandemic is a global emergency threatening to take millions of lives in the United States and around the world. There is no current vaccine strategy against COVID-19 infection caused by a novel coronavirus named…
- Trial name
- NCT04397900
- Where
- 2 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- TScan Therapeutics, Inc.
Yellow Fever (Healthy Volunteers), Biopsy/Methods
Baseline Assessment of Skin Resident Memory T Cells in Healthy Unvaccinated Participants
In The main GeKoSkimm trial (= A randomized controlled trial to compare the immunogenicity and skin imprinting of intradermal, subcutaneous and intramuscular yellow fever vaccination) the investigators try to understand whether…
- Trial name
- NCT07636551
- Testing
- Skin punch biopsy, Blood samples
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Institute of Tropical Medicine, Belgium
Bladder Cancer
Tumorspecific T-cell Immunity in Bladder Cancer as Prognostic Marker
Bladder cancer is generally susceptible to immunotherapeutic measures. The investigators will characterize 40 patients with muscle-invasive bladder cancer regarding the existence and frequency of tumorspecific T-cells and…
- Trial name
- NCT01198808
- Where
- Germany
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Malaria
Markers of T Cell Suppression: Antimalarial Treatment and Vaccine Responses in Healthy Malian Adults
Background: People with malaria often show altered immune responses to many illnesses and vaccines. This means that the malaria might cause immune suppression. It is not clear how or which vaccines are impacted by malaria.
- Trial name
- NCT02544048
- Where
- Mali
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
HIV Infections
Safety and Effectiveness of Anti-HIV Vaccines in HIV-Negative Adults
The purpose of this study is to find out whether three different anti-HIV vaccines are safe and whether they help prevent HIV infection. These vaccines are called vCP205, vCP1433, and vCP1452.
- Trial name
- NCT00000904
- Testing
- ALVAC(2)120(B,MN)GNP (vCP1452), gp160 MN/LAI-2, ALVAC(1)120(B,MN)GNP (vCP1433)
- Where
- 6 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Healthy, HIV Infection
Immune Responses to HIV in Blood Cells in HIV-Infected and HIV-Uninfected Volunteers
This study will explore the responses of the immune system to infection with HIV and other pathogens and the changes in these responses over time.
- Trial name
- NCT00027482
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Peripheral T-cell Lymphomas, Lymphoproliferative Disorders
Allogeneic Hematopoietic Cell Transplantation for Peripheral T Cell Lymphoma
Background: Lymphoma is a type of blood cancer. Blood cell transplant can cure some people with lymphoma. Researchers want to see if they can limit the complications transplant can cause.
- Conditions
- Peripheral T-cell Lymphomas, Lymphoproliferative Disorders, Immune System Diseases
- Trial name
- NCT03922724
- Testing
- ATL-RIC, mRIC, allo HCT
- Where
- 2 sites in United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Healthy
Impact of Propionic Acid on Regulatory T Cell Function in Healthy Adults ( Pro-Health)
Pro-Health is a single-center, double-blind, randomized and placebo-controlled intervention study in healthy adults. The investigators address the effect of a dietary food supplementation of propionic acid on the immune system…
- Trial name
- Pro-Health (NCT06198374)
- Testing
- Sodium propionate
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
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
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
Autism Spectrum Disorder
REGulatory T Cells in Autism Induced by Maternal Immune Activation
Autism Spectrum Disorders (ASD) represent a heterogeneous clinical entity of neurodevelopmental disorders affecting around 1% of the general population (Lord et al. 2020).
- Trial name
- REGAIN (NCT06169111)
- Testing
- REGulatory T cells in Autism induced by maternal Immune activation
- Where
- France
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
CMV
Evaluating the Clinical Utility of the T-SPOT.CMV Assay for the Prediction of CMV Reactivation Among Pediatric Patients Undergoing Hematopoietic Cell Transplant
The ability to distinguish allogeneic hematopoietic cell transplantation (allo-HCT) recipients at risk for cytomegalovirus (CMV) reactivation from those who are not is central for optimal CMV management strategies.
- Trial name
- NCT03570411
- Testing
- T-SPOT®.CMV Test
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- St. Jude Children's Research Hospital
Pre B ALL, Regulatory T Cell
The Effect of Chemotherapy on Regulatory T Cells
The investigators aimed to study the effect of chemotherapy on regulatory T cells (Tregs) in children with precursor B (PreB) acute lymphoblastic leukemia (ALL) at 15 and 33 days of malignity directed therapy.
- Trial name
- NCT03413046
- Testing
- Peripheral and bone marrow sampling
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ankara Children's Health and Diseases Hematology and Oncology Training and Research Hospital
Accelerated Phase Chronic Myelogenous Leukemia, Adult Acute Lymphoblastic Leukemia in Remission
Plerixafor and Filgrastim For Mobilization of Donor Peripheral Blood Stem Cells Before A Donor Peripheral Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies
RATIONALE: Giving chemotherapy and total-body irradiation (TBI) before a donor peripheral blood stem cell transplant helps stop the growth of cancer cells and helps stop the patient's immune system from rejecting the donor's stem…
- 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
- NCT01076270
- Testing
- plerixafor, filgrastim, peripheral blood stem cell transplantation
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Fred Hutchinson Cancer Center
Allogeneic Hematopoietic Cell Transplantation (HCT), Advanced Hematologic Malignancies
Reduced Intensity Allogeneic HCT in Advanced Hematologic Malignancies w/T-Cell Depleted Graft
Reduced intensity conditioning (RIC) has emerged and been increasingly adopted as a modality to allow preparative conditioning pre transplant to be tolerated by older adults or those patients that are otherwise unfit for…
- Conditions
- Allogeneic Hematopoietic Cell Transplantation (HCT), Advanced Hematologic Malignancies, Acute Leukemia, Chronic Myelogenous Leukemia
- Trial name
- NCT05088356
- Testing
- Purified regulatory T-cells (Treg) plus CD34+ HSPC, Fludarabine, Melphalan
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Stanford University
Type1diabetes
Crosstalk Between Mucosal-Associated Invariant T (MAIT) Cells and the Gut Microbiota and Mucosa in the Development of Type 1 Diabetes in Children
To investigate in a prospective way changes in Mucosal-Associated Invariant T (MAIT) cells frequency, phenotype and function in link with the gut microbiota, gut integrity and the presence of Coxsackie virus B in two cohorts of…
- Trial name
- MAIT-DT1 (NCT05054361)
- Testing
- MAIT cells analysis, MAIT cytokines production analysis, Lactulose/Mannitol Test
- Where
- 2 sites in France
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Kidney Transplant Rejection, Positive FCXM (T or B Cell Positive)
Spleen Transplant in Solid Organ Transplantation
Although the notions that kidney transplantation is the treatment of choice for patients with end-stage renal disease and that simultaneous kidney and pancreas transplant is the only treatment able to restore euglycemia in…
- Conditions
- Kidney Transplant Rejection, Positive FCXM (T or B Cell Positive), Positive CDC Cross-Match (B Cell Positive), Kidney/Pancreas Transplant Rejection
- Trial name
- NCT04827186
- Testing
- Spleen Transplantation/Removal
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Illinois at Chicago
Natural Killer Cell Mediated Immunity
Natural Killer Cells Reconstitution Kinetics Post Haploidentical Transplantation
Patients undergoing haploidentical allo-HSCT will be prospectively enrolled exploring the NK cells phenotype and functional reconstitution.
- Trial name
- NCT02978274
- Testing
- MMF
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Cutaneous T-Cell Lymphoma
Recalcitrant Pruritus in Cutaneous T-Cell Lymphoma
The purpose of this study is to define the mechanisms that underlie the refractory pruritus (itch) in Cutaneous T-Cell Lymphoma (CTCL).
- Trial name
- CTCL (NCT00863395)
- Testing
- skin biopsy
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
HIV Infection, AIDS
Accuracy of the Pima™ CD4 Test for Enumeration of CD4+ T-Cell Counts
This is a multi-center study designed to assess the accuracy of Pima™ CD4 Test to enumerate CD4+ T-cells in whole blood over the measurement range expected for the intended population.
- Conditions
- HIV Infection, AIDS, HIV Infections
- Trial name
- NCT00951795
- Where
- 3 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Abbott RDx Cardiometabolic