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| http://dx.doi.org/10.1080/1750743X.2024.2398412 | DOI Listing |
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NI-3201 Is a Bispecific Antibody Mediating PD-L1-Dependent CD28 Co-stimulation on T Cells for Enhanced Tumor Control.
Cancer Immunol Res
January 2025
Light Chain Bioscience - Novimmune SA, Geneva, Switzerland.
Despite advances in cancer immunotherapy, such as targeting the PD-1/PD-L1 axis, a substantial number of patients harbor tumors that are resistant or relapse. Selective engagement of T-cell co-stimulatory molecules with bispecific antibodies may offer novel therapeutic options by enhancing signal 1-driven activation occurring via T-cell receptor engagement. In this study, we report the development and preclinical characterization of NI-3201, a PD-L1×CD28 bispecific antibody generated on the κλ-body platform that was designed to promote T-cell activity and antitumor function through a dual mechanism of action.
View Article and Find Full Text PDFHybrid model of tumor growth, angiogenesis and immune response yields strategies to improve antiangiogenic therapy.
NPJ Biol Phys Mech
December 2024
Cancer Biophysics Laboratory, Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, Cyprus.
Solid tumors harbor a complex and dynamic microenvironment that hinders the delivery and efficacy of therapeutic interventions. In this study, we developed and utilized a hybrid, discrete-continuous mathematical model to explore the interplay between solid tumor growth, immune response, tumor-induced angiogenesis, and antiangiogenic drugs. By integrating published data with anti-angiogenic drugs, we elucidate three primary mechanisms by which anti-angiogenesis influences tumor progression and treatment outcomes: reduction in tumor growth rate by mitigating and temporally delaying angiogenesis, normalization of blood vessel structure and function, and improving immune cell extravasation and activation.
View Article and Find Full Text PDFClinical Effect of Treatment with Metformin for Type 2 Diabetes on Non-Small Cell Lung Cancer Patients Undergoing Immunotherapy: A Retrospective Study.
Int J Gen Med
December 2024
Department of Thoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People's Republic of China.
Purpose: To further identify the clinical impact of metformin on the prognosis of non-small cell lung cancer (NSCLC) with type 2 diabetes who received immunotherapy.
Methods: Stage IV NSCLC patients with type 2 diabetes receiving the immunotherapy from 2017 to 2021 were retrospectively enrolled and divided into the metformin group or non-metformin group according to the treatment strategy for type 2 diabetes (metformin vs other hypoglycemic medicines). The overall response rate (ORR) was primary endpoint, and overall survival (OS), progression-free survival (PFS) and disease control rate (DCR) were secondary endpoints.
Targeting CEA in metastatic triple negative breast cancer with image-guided radiation followed by Fab-mediated chimeric antigen receptor (CAR) T-cell therapy.
Front Immunol
December 2024
Department of Immunology and Theranostics, City of Hope, Duarte, CA, United States.
Introduction: Although CAR-T cell therapy has limited efficacy against solid tumors, it has been hypothesized that prior treatment with Image-Guided Radiation Therapy (IGRT) would increase CAR-T cell tumor infiltration, leading to improved antigen specific expansion of CAR-T cells.
Methods: To test this hypothesis in a metastatic triple negative breast cancer (TNBC) model, we engineered two anti-CEA single-chain Fab (scFab) CAR-T cells with signaling domains from CD28zeta and 4-1BBzeta, and tested them and .
Results: The anti-CEA scFab CAR-T cells generated from three different human donors demonstrated robust expression, expansion, and lysis of only CEA-positive TNBC cells, with the CD28z-CAR-T cells showing the highest cytotoxicity.
Addressing the unmet need in NSCLC progression with advances in second-line therapeutics.
Explor Target Antitumor Ther
November 2024
Department of Medicine, Division of Medical Oncology, University of Southern California Norris Comprehensive Cancer Center, University of Southern California Keck School of Medicine, Los Angeles, CA 90033, USA.
Lung cancer is the leading cause of cancer mortality globally, with non-small cell lung cancer (NSCLC) accounting for 85% of cases. Despite advancements in first-line treatments such as immunotherapy and targeted therapies, resistance to these treatments is common, creating a significant unmet need for effective second-line therapies. This review evaluates current and emerging second-line therapeutic options for advanced or metastatic NSCLC, focusing on their efficacy and potential to improve patient outcomes.
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