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Bispecific T cell engagers are antibody constructs directed to a tumor-specific target on the one hand and to CD3-positive T cells on the other hand. Blinatumomab is a compound with specificity for the pan-B cell marker CD19. Clinical activity was tested in relapsed and refractory (R/R) non-Hodgkin's Lymphoma (NHL), R/R acute lymphoblastic leukemia (ALL), and ALL patients with minimal residual disease. Trials have already been started in de novo ALL. The most clinically relevant toxicities are neurologic events and cytokine release syndrome as with other T cell-activating therapies. The mechanisms of resistance are not fully understood. Higher leukemia load and later stage disease represent unfavorable factors. Besides, an upregulation of regulatory T cells and inhibitory molecules like PD-1/PD-L1 may have a role as the loss of target by several mechanisms. The future will show whether the use of bispecifics in ALL can change the standard treatment algorithms and whether bispecific T cell engagers will also be successfully used in other malignant entities.
This article was published in the following journal.
Name: Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer
PD-1/PD-L1-based therapy has been named a revolution in cancer treatment. By the end of 2018, more than 100 anti-PD-1 and anti-PD-L1 antibodies were in various stages of development, and more than 200...
Globally, cancer is a critical illness which seriously threatens human health. T-cell-based cancer immunotherapy for some patients has demonstrated impressive achievements including chimeric antigen r...
Proper evaluation of immunogenicity during clinical development of biotherapeutics is a major challenge to bioanalytical scientists, in part due to matrix interference in anti-drug antibody (ADA) and ...
Transcription factors (TFs) control gene expression by binding DNA recognition sites in genomic regulatory regions. Although most forkhead TFs recognize a canonical forkhead (FKH) motif, RYAAAYA, some...
Increasing preclinical and clinical studies revealed that many tumor models had resistance to anti-VEGF-A and anti-VEGF-R2 therapies. Studies have shown that simultaneously blocked DLL4-Notch and VEGF...
Evaluation the safety and efficacy of CD19/CD20 bispecific CAR-T cells in patients with relapsed/refractory B cell lymphoma
The investigators have found in the previous research that the investigators can coat (arm) T cells with a special molecule called GD2 bispecific antibody that will help T cells recognize ...
This study aims to evaluate the safety, efficacy and duration of response of anti-CD19 anti-CD20 Bispecific Chimeric Antigen Receptor (CAR) redirected autologous T-cells in patients with h...
The goal of this clinical trial is to study the feasibility and efficacy of anti-CD19/BCMA bispecific chimeric antigen receptors (CARs) T cell therapy for relapsed and refractory multiple ...
Patients with resistant metastatic solid tumors failing all conventional modalities who are eligible for immunotherapy by bispecific antibodies. First step: NST Second step: Patients with...
Undergraduate medical education programs for second- , third- , and fourth-year students in which the students receive clinical training and experience in teaching hospitals or affiliated health centers.
The separation or resolution of the psyche into its constituent elements. The term has two separate meanings: 1. a procedure devised by Sigmund Freud, for investigating mental processes by means of free association, dream interpretation and interpretation of resistance and transference manifestations; and 2. a theory of psychology developed by Freud from his clinical experience with hysterical patients. (From Campbell, Psychiatric Dictionary, 1996).
Antibodies, often monoclonal, in which the two antigen-binding sites are specific for separate ANTIGENIC DETERMINANTS. They are artificial antibodies produced by chemical crosslinking, fusion of HYBRIDOMA cells, or by molecular genetic techniques. They function as the main mediators of targeted cellular cytotoxicity and have been shown to be efficient in the targeting of drugs, toxins, radiolabeled haptens, and effector cells to diseased tissue, primarily tumors.
A work that reports on the results of a research study to evaluate interventions or exposures on biomedical or health-related outcomes. The two main types of clinical studies are interventional studies (clinical trials) and observational studies. While most clinical studies concern humans, this publication type may be used for clinical veterinary articles meeting the requisites for humans.
Work that consists of a conference of physicians on their observations of a patient at the bedside, regarding the physical state, laboratory and other diagnostic findings, clinical manifestations, results of current therapy, etc. A clinical conference usually ends with a confirmation or correction of clinical findings by a pathological diagnosis performed by a pathologist. "Clinical conference" is often referred to as a "clinico-pathological conference."
An antibody is a protein produced by the body's immune system when it detects harmful substances, called antigens. Examples of antigens include microorganisms (such as bacteria, fungi, parasites, and viruses) and chemicals. Antibodies may be produc...