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Car t-cell therapy

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https://www.readbyqxmd.com/read/28931402/recent-advances-of-bispecific-antibodies-in-solid-tumors
#1
REVIEW
Shengnan Yu, Anping Li, Qian Liu, Xun Yuan, Hanxiao Xu, Dechao Jiao, Richard G Pestell, Xinwei Han, Kongming Wu
Cancer immunotherapy is the most exciting advancement in cancer therapy. Similar to immune checkpoint blockade and chimeric antigen receptor T cell (CAR-T), bispecific antibody (BsAb) is attracting more and more attention as a novel strategy of antitumor immunotherapy. BsAb not only offers an effective linkage between therapeutics (e.g., immune effector cells, radionuclides) and targets (e.g., tumor cells) but also simultaneously blocks two different oncogenic mediators. In recent decades, a variety of BsAb formats have been generated...
September 20, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28928126/chimeric-antigen-receptor-t-cell-therapies-for-multiple-myeloma
#2
Lekha Mikkilineni, James N Kochenderfer
Multiple myeloma (MM) is a nearly always incurable malignancy of plasma cells, so new approaches to treatment are needed. T-cell therapies are a promising approach for treating MM, with a mechanism of action different than those of standard MM treatments. Chimeric antigen receptors (CARs) are fusion proteins incorporating antigen-recognition domains and T-cell signaling domains. T-cells genetically engineered to express CARs can specifically recognize antigens. Success of CAR T-cells against leukemia and lymphoma has encouraged development of CAR T-cell therapies for MM...
September 19, 2017: Blood
https://www.readbyqxmd.com/read/28925994/chimeric-antigen-receptor-t-cell-therapy-assessment-and-management-of-toxicities
#3
REVIEW
Sattva S Neelapu, Sudhakar Tummala, Partow Kebriaei, William Wierda, Cristina Gutierrez, Frederick L Locke, Krishna V Komanduri, Yi Lin, Nitin Jain, Naval Daver, Jason Westin, Alison M Gulbis, Monica E Loghin, John F de Groot, Sherry Adkins, Suzanne E Davis, Katayoun Rezvani, Patrick Hwu, Elizabeth J Shpall
Immunotherapy using T cells genetically engineered to express a chimeric antigen receptor (CAR) is rapidly emerging as a promising new treatment for haematological and non-haematological malignancies. CAR-T-cell therapy can induce rapid and durable clinical responses, but is associated with unique acute toxicities, which can be severe or even fatal. Cytokine-release syndrome (CRS), the most commonly observed toxicity, can range in severity from low-grade constitutional symptoms to a high-grade syndrome associated with life-threatening multiorgan dysfunction; rarely, severe CRS can evolve into fulminant haemophagocytic lymphohistiocytosis (HLH)...
September 19, 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28924019/kinetics-and-biomarkers-of-severe-cytokine-release-syndrome-after-cd19-chimeric-antigen-receptor-modified-t-cell-therapy
#4
Kevin A Hay, Laïla-Aïcha Hanafi, Daniel Li, Juliane Gust, W Conrad Liles, Mark M Wurfel, José A López, Junmei Chen, Dominic Chung, Susanna Harju-Baker, Sindhu Cherian, Xueyan Chen, Stanley R Riddell, David G Maloney, Cameron J Turtle
Lymphodepletion chemotherapy followed by infusion of CD19-specific chimeric antigen receptor-modified T cells (CAR-T) has produced impressive antitumor responses in patients with refractory CD19(+) B cell malignancies, but is often associated with cytokine release syndrome (CRS). Our understanding of CRS continues to evolve, and identification of the kinetics of CRS and predictive clinical and laboratory biomarkers of severity are needed to evaluate strategies to mitigate toxicity. We report the clinical presentation and identify biomarkers of severe CRS in 133 adult patients who received CD19 CAR-T cells...
September 18, 2017: Blood
https://www.readbyqxmd.com/read/28923441/car-t-cell-immunotherapy-in-hematology-and-beyond
#5
Claudia Rossig
Chimeric T cell receptors (CARs) combine extracellular antigen recognition domains and T cell activation components in single molecules. CAR gene transfer thereby allows to generate T cells with engineered specificities. The translational development of CAR-based T cell therapies is most advanced in B cell cancers where CAR-engineered T cells against the B lineage antigen CD19 have generated impressive results in early clinical trials. CARs are now also explored as tools to eliminate autoreactive B cell clones and to engineer T cells with immunosuppressive function for preventing pathological auto- or alloresponses...
September 15, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28912137/enhanced-cancer-immunotherapy-by-chimeric-antigen-receptor-modified-t-cells-engineered-to-secrete-checkpoint-inhibitors
#6
Pin Wang, Si Li, Natnaree Siriwon, Xiaoyang Zhang, Shuai Yang, Tao Jin, Feng He, Yu Jeong Kim, John Mac, Zhengfei Lu, Sijie Wang, Xiaolu Han
PURPOSE: Despite favorable responses of CAR-engineered T cell therapy in patients with hematologic malignancies, the outcome has been far from satisfactory in the treatment of solid tumors, partially owing to the development of an immunosuppressive tumor microenvironment. To overcome this limitation, we engineered CAR-T cells secreting checkpoint inhibitors (CPIs) targeting PD-1 (CAR.αPD1-T) and evaluated their efficacy in a human lung carcinoma xenograft mouse model. EXPERIMENTAL DESIGN: To evaluate the effector function and expansion capacity of CAR...
September 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28903456/tumor-reductive-therapies-and-antitumor-immunity
#7
REVIEW
Huiqin Guo, Kangla Tsung
Tumor reductive therapy is to reduce tumor burden through direct killing of tumor cells. So far, there is no report on the connection between antitumor immunity and tumor reductive therapies. In the last few years, a new category of cancer treatment, immunotherapy, emerged and they are categorized separately from classic cytotoxic treatments (chemo and radiation therapy). The most prominent examples include cellular therapies (LAK and CAR-T) and immune checkpoint inhibitors (anti-PD-1 and CTLA-4). Recent advances in clinical immunotherapy and our understanding of the mechanism behind them revealed that these therapies have a closer relationship with classic cancer treatments than we thought...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901922/car-t-cells-an-exciting-frontier-in-cancer-therapy
#8
EDITORIAL
The Lancet
No abstract text is available yet for this article.
September 9, 2017: Lancet
https://www.readbyqxmd.com/read/28900984/-targeted-therapy-combined-with-immunotherapy-in-gastrointestinal-stromal-tumor-a-new-era-of-hope-and-challenges
#9
Wenyi Zhao, Hui Cao
New immunotherapy represented by immune checkpoint inhibitor therapy and chimeric antigen receptor T-Cell immunotherapy (CAR-T) has already become hot trend in the treatment of malignant tumors. In gastrointestinal stromal tumor (GIST), with notable tumor-infiltrating immune cells existing in GIST tissues and immunological effects reported in imatinib mesylate (IM) treatment, the clinicians and researchers started to realize the possibilities of immunotherapy in GIST. Recent studies reported that PD-1/PD-L1 or CTLA-4 blockade may enhance the T-cell activity and anti-tumor effect of targeted therapy, which can be applied in advanced GIST, and anti-KIT CAR T-cells indicated a new immunotherapeutic targeted strategy for GIST patients with TKI resistance...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28888074/early-recovery-of-circulating-immature-b-cells-in-b-lymphoblastic-leukemia-patients-after-cd19-targeted-car-t-cell-therapy-a-pitfall-for-minimal-residual-disease-detection
#10
Wenbin Xiao, Dalia Salem, Catherine McCoy, Daniel Lee, Nirali N Shah, Maryalice Stetler-Stevenson, Constance M Yuan
BACKGROUND: CD19-targeted chimeric-antigen receptor-modified T-cells (CAR-T) are promising in the treatment of refractory B-lymphoblastic leukemia (B-ALL). Minimal residual disease (MRD) detection by multicolor flow cytometry (FCM) is critical to distinguish B-ALL MRD from regenerating, non-neoplastic B-cell populations. METHODS: FCM was performed on samples from 9 patients with B-ALL treated with CAR-T. RESULTS: All 9 patients showed response to CAR-T...
September 9, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28887358/first-ever-car-t-cell-therapy-approved-in-u-s
#11
(no author information available yet)
The first chimeric antigen receptor T-cell therapy, tisagenlecleucel, received FDA approval for the treatment of patients up to 25 years of age with B-cell precursor acute lymphoblastic leukemia who haven't responded to standard therapy or who have relapsed at least twice.
September 8, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28880983/chimeric-antigen-receptor-car-t-cell-therapy
#12
John M Pagel, Howard Jack West
No abstract text is available yet for this article.
September 7, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28880014/chimeric-antigen-receptor-car-transduced-natural-killer-cells-in-tumor-immunotherapy
#13
REVIEW
Yuan Hu, Zhi-Gang Tian, Cai Zhang
Natural killer (NK) cells are potential effector cells in cell-based cancer immunotherapy, particularly in the control of hematological malignancies. The chimeric antigen receptor (CAR) is an artificially modified fusion protein that consists of an extracellular antigen recognition domain fused to an intracellular signaling domain. T cells genetically modified with a CAR have demonstrated remarkable success in the treatment of hematological cancers. Compared to T cells, CAR-transduced NK cells (CAR-NK) exhibit several advantages, such as safety in clinical use, the mechanisms by which they recognize cancer cells, and their abundance in clinical samples...
September 7, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28877629/application-of-chimeric-antigen-receptor-engineered-t-cells-in-ovarian-cancer-therapy
#14
Minghui Zhang, Dr Bin Zhang, Huirong Shi
Due to the critical role of T cells in the immune surveillance of ovarian cancer, adoptive T-cell therapies are receiving increased attention as an immunotherapeutic approach for ovarian cancer. Chimeric antigen receptors (CARs), constructed by incorporating the single-chain Fv fragment to a T-cell signaling domain such as CD3 ζ or Fc receptor γ chain, endow T cell with nonmajor histocompatibility complex-restricted specificity. Dual specificity, trans-signaling CARs and affinity-tuned single-chain Fv fragment have broadened the applicability of CAR-engineered T-cell therapy and may be considered preferential to T cell receptor T-cell therapy in clinical care...
September 2017: Immunotherapy
https://www.readbyqxmd.com/read/28874817/armored-car-t-cells-enhance-antitumor-efficacy-and-overcome-the-tumor-microenvironment
#15
Oladapo O Yeku, Terence J Purdon, Mythili Koneru, David Spriggs, Renier J Brentjens
Chimeric antigen receptor (CAR) T cell therapy has shown limited efficacy for the management of solid tumor malignancies. In ovarian cancer, this is in part due to an immunosuppressive cytokine and cellular tumor microenvironment which suppresses adoptively transferred T cells. We engineered an armored CAR T cell capable of constitutive secretion of IL-12, and delineate the mechanisms via which these CAR T cells overcome a hostile tumor microenvironment. In this report, we demonstrate enhanced proliferation, decreased apoptosis and increased cytotoxicity in the presence of immunosuppressive ascites...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28872470/stop-and-go-hematopoietic-cell-transplantation-in-the-era-of-chimeric-antigen-receptor-t-cells-and-checkpoint-inhibitors
#16
Arnab Ghosh, Ioannis Politikos, Miguel-Angel Perales
PURPOSE OF REVIEW: For several decades, hematopoietic cell transplantation (HCT) has been considered the standard curative therapy for many patients with hematological malignancies. In addition to the cytotoxic effects of the chemotherapy and radiation used in the conditioning regimen, the benefits of HCT are derived from a reset of the immune system and harnessing the ability of donor T cells to eliminate malignant cells. With the dawn of the era of immunotherapies in the form of checkpoint inhibitors and chimeric antigen receptor (CAR) T cells, the role of HCT has evolved...
September 1, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28871274/paired-expression-analysis-of-tumor-cell-surface-antigens
#17
Rimas J Orentas, Sivasish Sindiri, Christine Duris, Xinyu Wen, Jianbin He, Jun S Wei, Jason Jarzembowski, Javed Khan
Adoptive immunotherapy with antibody-based therapy or with T cells transduced to express chimeric antigen receptors (CARs) is useful to the extent that the cell surface membrane protein being targeted is not expressed on normal tissues. The most successful CAR-based (anti-CD19) or antibody-based therapy (anti-CD20) in hematologic malignancies has the side effect of eliminating the normal B cell compartment. Targeting solid tumors may not provide a similar expendable marker. Beyond antibody to Her2/NEU and EGFR, very few antibody-based and no CAR-based therapies have seen broad clinical application for solid tumors...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28868758/programmed-cell-death-ligand-1-pd-l1-expression-is-not-a-predominant-feature-in-ewing-sarcomas
#18
Christian Spurny, Sareetha Kailayangiri, Silke Jamitzky, Bianca Altvater, Eva Wardelmann, Uta Dirksen, Jendrik Hardes, Wolfgang Hartmann, Claudia Rossig
BACKGROUND: Programmed cell death 1 (PD-1) receptor engagement on T cells by its ligand programmed cell death ligand 1 (PD-L1) is a key mechanism of immune escape, and antibody blockade of the interaction has emerged as an effective immunotherapeutic strategy in some cancers. The role and relevance of the PD-1 checkpoint in Ewing sarcoma (EwS) is not yet understood. PROCEDURE: Here, we investigated expression of PD-L1 and PD-1 in EwS by immunohistochemistry analysis of pretherapeutic tumor biopsies and in tumor xenografts following treatment with human T cells engineered to express a chimeric antigen receptor (CAR) against the tumor-associated antigen GD2 ...
September 4, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28862644/chimeric-antigen-receptor-car-t-cell-therapy-for-malignant-pleural-mesothelioma-mpm
#19
REVIEW
Astero Klampatsa, Andrew R Haas, Edmund K Moon, Steven M Albelda
Cancer immunotherapy has now become a recognized approach to treating cancers. In addition to checkpoint blockade, adoptive T cell transfer (ACT) using chimeric antigen receptors (CARs) has shown impressive clinical outcomes in leukemias and is now being explored in solid tumors. CARs are engineered receptors, stably or transiently transduced into T cells, that aim to enhance T cell effector function by recognizing and binding to a specific tumor-associated antigen. In this review, we provide a summary of CAR T cell preclinical studies and clinical trials for malignant pleural mesothelioma (MPM), a rare, locally invasive pleural cancer with poor prognosis...
September 1, 2017: Cancers
https://www.readbyqxmd.com/read/28862319/breakthroughs-in-modern-cancer-therapy-and-elusive-cardiotoxicity-critical-research-practice-gaps-challenges-and-insights
#20
REVIEW
Ping-Pin Zheng, Jin Li, Johan M Kros
To date, five cancer treatment modalities have been defined. The three traditional modalities of cancer treatment are surgery, radiotherapy, and conventional chemotherapy, and the two modern modalities include molecularly targeted therapy (the fourth modality) and immunotherapy (the fifth modality). The cardiotoxicity associated with conventional chemotherapy and radiotherapy is well known. Similar adverse cardiac events are resurging with the fourth modality. Aside from the conventional and newer targeted agents, even the most newly developed, immune-based therapeutic modalities of anticancer treatment (the fifth modality), e...
September 1, 2017: Medicinal Research Reviews
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