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https://www.readbyqxmd.com/read/28805662/clinical-and-immunological-responses-after-cd30-specific-chimeric-antigen-receptor-redirected-lymphocytes
#1
Carlos A Ramos, Brandon Ballard, Huimin Zhang, Olga Dakhova, Adrian P Gee, Zhuyong Mei, Mrinalini Bilgi, Meng-Fen Wu, Hao Liu, Bambi Grilley, Catherine M Bollard, Bill H Chang, Cliona M Rooney, Malcolm K Brenner, Helen E Heslop, Gianpietro Dotti, Barbara Savoldo
BACKGROUND: Targeting CD30 with monoclonal antibodies in Hodgkin lymphoma (HL) and anaplastic large cell lymphoma (ALCL) has had profound clinical success. However, adverse events, mainly mediated by the toxin component of the conjugated antibodies, cause treatment discontinuation in many patients. Targeting CD30 with T cells expressing a CD30-specific chimeric antigen receptor (CAR) may reduce the side effects and augment antitumor activity. METHODS: We conducted a phase I dose escalation study in which 9 patients with relapsed/refractory HL or ALCL were infused with autologous T cells that were gene-modified with a retroviral vector to express the CD30-specific CAR (CD30...
August 14, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28804691/combination-of-celecoxib-celebrex-%C3%A2-and-cd19-car-redirected-ctl-immunotherapy-for-the-treatment-of-b-cell-non-hodgkin-s-lymphomas
#2
REVIEW
Tam Nm Dinh, Alexandra S Onea, Ali R Jazirehi
The nonsteroidal anti-inflammatory drug (NSAID) Celecoxib (Celebrex(®)) received Food and Drug Administration (FDA) approval in 1998 for treatment of osteoarthritis and rheumatoid arthritis, and in recent years, its use has been extended to various types of malignancies, such as breast, colon, and urinary cancers. To maintain the survival of malignant B cells, non-Hodgkin's Lymphoma (NHL) is highly dependent on inflammatory microenvironment, and is inhibited by celecoxib. Celecoxib hinders tumor growth interacting with various apoptotic genes, such as cyclooxygenase-2 (Cox-2), B-cell lymphoma 2 (Bcl-2) family, phosphor-inositide-3 kinase/serine-threonine-specific protein kinase (PI3K/Akt), and inhibitors of apoptosis proteins (IAP) family...
2017: American Journal of Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28803861/long-duration-complete-remissions-of-diffuse-large-b-cell-lymphoma-after-anti-cd19-chimeric-antigen-receptor-t%C3%A2-cell-therapy
#3
James N Kochenderfer, Robert P T Somerville, Tangying Lu, James C Yang, Richard M Sherry, Steven A Feldman, Lori McIntyre, Adrian Bot, John Rossi, Norris Lam, Steven A Rosenberg
T cells expressing anti-CD19 chimeric antigen receptors (CARs) can induce complete remissions (CRs) of diffuse large B cell lymphoma (DLBCL). The long-term durability of these remissions is unknown. We administered anti-CD19 CAR T cells preceded by cyclophosphamide and fludarabine conditioning chemotherapy to patients with relapsed DLBCL. Five of the seven evaluable patients obtained CRs. Four of the five CRs had long-term durability with durations of remission of 56, 51, 44, and 38 months; to date, none of these four cases of lymphomas have relapsed...
July 13, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28801306/inducible-activation-of-myd88-and-cd40-in-car-t-cells-results-in-controllable-and-potent-antitumor-activity-in-preclinical-solid-tumor-models
#4
Melinda Mata, Claudia Gerken, Phuong Nguyen, Giedre Krenciute, David M Spencer, Stephen Gottschalk
Adoptive immunotherapy with T-cells expressing chimeric antigen receptors (CARs) has had limited success for solid tumors in early phase clinical studies. We reasoned that introducing into CAR T-cells an inducible co-stimulatory (iCO) molecule consisting of a chemical inducer of dimerization (CID)-binding domain and the MyD88 and CD40 signaling domains would improve and control CAR T-cell activation. In the presence of CID, T-cells expressing HER2-CARζ and a MyD88/CD40-based iCO molecule (HER2ζ.iCO T-cells) had superior T-cell proliferation, cytokine production, and ability to sequentially kill targets in vitro relative to HER2ζ...
August 11, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28771104/-atypical-car-t-cells-nkg2d-and-erb-b-as-examples-of-natural-receptor-ligands-to-target-recalcitrant-solid-tumors
#5
David E Gilham, John Maher
Chimeric antigen receptor (CAR) T-cell therapy has recently been recommended for approval for certain B-cell malignancies bringing the approach closer to mainstream cancer treatment. This rapid rise to prominence has been driven by impressive clinical results and the means to successfully commercialize the approach now being actively pursued. The current success of CAR T cells in B-cell malignancies relies upon the absolute lineage specificity of the CD19 antigen. CARs can also be targeted using non-antibody approaches, including the use of receptors and ligands to provide target specificity that have different specificities and binding kinetics...
August 3, 2017: Immunotherapy
https://www.readbyqxmd.com/read/28771103/overcoming-barriers-of-car-t-cell-therapy-in-patients-with-mesothelin-expressing-cancers
#6
Mark H O'Hara, Caitlin Stashwick, Gabriela Plesa, Janos L Tanyi
One obstacle to the application of immunotherapy to solid malignancies is to overcome the existing tolerance to self-antigens. Vaccine strategies aimed at harnessing endogenous antitumor T cells are limited by the T-cell receptor repertoire, which can be detected within the thymus as central tolerance or rendered nonfunctional by post-thymic mechanisms of peripheral tolerance. Adoptive immunotherapy can overcome these obstacles, since therapeutically effective T cells can be engineered to recognize tumors. Continued advancements in novel treatments, including immunotherapy, in solid malignancies are imperative...
August 3, 2017: Immunotherapy
https://www.readbyqxmd.com/read/28770463/joint-snmmi-asnc-expert-consensus-document-on-the-role-of-18-f-fdg-pet-ct-in-cardiac-sarcoid-detection-and-therapy-monitoring
#7
Panithaya Chareonthaitawee, Rob S Beanlands, Wengen Chen, Sharmila Dorbala, Edward J Miller, Venkatesh L Murthy, David H Birnie, Edward S Chen, Leslie T Cooper, Roderick H Tung, Eric S White, Salvador Borges-Neto, Marcelo F Di Carli, Robert J Gropler, Terrence D Ruddy, Thomas H Schindler, Ron Blankstein
No abstract text is available yet for this article.
August 2, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28765228/joint-snmmi-asnc-expert-consensus-document-on-the-role-of-18-f-fdg-pet-ct-in-cardiac-sarcoid-detection-and-therapy-monitoring
#8
Panithaya Chareonthaitawee, Rob S Beanlands, Wengen Chen, Sharmila Dorbala, Edward J Miller, Venkatesh L Murthy, David H Birnie, Edward S Chen, Leslie T Cooper, Roderick H Tung, Eric S White, Salvador Borges-Neto, Marcelo F Di Carli, Robert J Gropler, Terrence D Ruddy, Thomas H Schindler, Ron Blankstein
No abstract text is available yet for this article.
August 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28765140/clinical-development-of-car-t-cells-challenges-and-opportunities-in-translating-innovative-treatment-concepts
#9
REVIEW
Jessica Hartmann, Martina Schüßler-Lenz, Attilio Bondanza, Christian J Buchholz
Chimeric antigen receptor (CAR) T cell therapy, together with checkpoint inhibition, has been celebrated as a breakthrough technology due to the substantial benefit observed in clinical trials with patients suffering from relapsed or refractory B-cell malignancies. In this review, we provide a comprehensive overview of the clinical trials performed so far worldwide and analyze parameters such as targeted antigen and indication, CAR molecular design, CAR T cell manufacturing, anti-tumor activities, and related toxicities...
August 1, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28764981/promises-and-limitations-of-nanoparticles-in-the-era-of-cell-therapy-example-with-cd19-targeting-chimeric-antigen-receptor-car-modified-t-cells
#10
Hélène Jakobczyk, Flavien Sciortino, Soizic Chevance, Fabienne Gauffre, Marie-Bérengère Troadec
A number of nanoparticles has been developed by chemists for biomedical applications to meet imaging and targeting needs. In parallel, adoptive T therapy with chimeric antigen receptor engineered T cells (CART cells) has recently held great promise in B-cell malignancy treatments thanks to the development of anti-CD19 CAR T cells. Indeed, CD19 is a reliable B cell marker and a validated target protein for therapy. In this perspective article, we propose to discuss the advantages, limits and challenges of nanoparticles and CAR T cells, focusing on CD19 targeting objects: anti-CD19 nanoparticles and anti-CD19 CAR T cells, because those genetically-modified cells are the most widely developed in clinical setting...
July 29, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28757080/a-fusion-receptor-as-a-safety-switch-detection-and-purification-biomarker-for-adoptive-transferred-t-cells
#11
Xiuqi Wu, Bizhi Shi, Jiqin Zhang, Zhimin Shi, Shengmeng Di, Minliang Fan, Huiping Gao, Hai Wang, Jianren Gu, Hua Jiang, Zonghai Li
The incorporation of an endogenous safety switch represents a rational strategy for the control of toxicities following the administration of adoptive T cell therapies. An ideal safety switch should be capable of depleting the transferred T cells with minimal injury to normal tissues. We generated a fusion receptor by engineering a cryptic 806 epitope of human epidermal growth factor receptor (EGFR) into the N terminus of the full-length human folate receptor 1 (FOLR1), designated as FR806. The expression of FR806 allows transduced T cells to be targeted with CH12, a monoclonal antibody recognizing the 806 epitope, but not wild-type EGFR in healthy tissues...
July 3, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28755873/chimeric-antigen-receptor-t-cell-therapy-for-glioblastoma
#12
REVIEW
Analiz Rodriguez, Christine Brown, Behnam Badie
Chimeric antigen receptor (CAR) T-cell therapy has shown great promise in the treatment of hematological disease, and its utility for treatment of solid tumors is beginning to unfold. Glioblastoma continues to portend a grim prognosis and immunotherapeutic approaches are being explored as a potential treatment strategy. Identification of appropriate glioma-associated antigens, barriers to cell delivery, and presence of an immunosuppressive microenvironment are factors that make CAR T-cell therapy for glioblastoma particularly challenging...
July 15, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28755872/new-approaches-for-the-enhancement-of-chimeric-antigen-receptors-for-the-treatment-of-hiv
#13
REVIEW
Mayra A Carrillo, Anjie Zhen, Jerome A Zack, Scott G Kitchen
HIV infection continues to be a life-long chronic disease in spite of the success of antiretroviral therapy (ART) in controlling viral replication and preventing disease progression. However, because of the high cost of treatment, severe side effects, and inefficiency in curing the disease with ART, there is a call for alternative therapies that will provide a functional cure for HIV. Cytotoxic T lymphocytes (CTLs) are vital in the control and clearance of viral infections and therefore immune-based therapies have attempted to engineer HIV-specific CTLs that would be able to clear the infection from the body...
July 14, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28754600/building-blocks-for-institutional-preparation-of-ctl019-delivery
#14
REVIEW
Joseph McGuirk, Edmund K Waller, Muna Qayed, Sunil Abhyankar, Solveig Ericson, Peter Holman, Christopher Keir, G Douglas Myers
Chimeric antigen receptor (CAR) T-cell therapy is an investigational immunocellular therapy that reprograms a patient's cytotoxic T cells to engage and eliminate malignant cells. CAR T-cell therapies targeting the CD19 antigen have demonstrated high efficacy in clinical trials for patients with B-cell malignancies and may potentially be available on a broader scale in the future. CAR T-cell therapy begins with the collection of a sufficient number of T cells from a patient's peripheral blood through leukapheresis...
July 25, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28751490/panel-oks-car-t-therapy-for-leukemia
#15
(no author information available yet)
An expert panel recommended approval of Novartis's experimental chimeric antigen T-cell therapy, tisagenlecleucel, for children and young adults with relapsed or refractory B-cell acute lymphoblastic leukemia. The therapy would be the first of its kind approved for cancer and has the potential to transform standard of care for advanced blood cancers.
July 27, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28744797/reconstructing-the-immune-system-with-lentiviral-vectors
#16
REVIEW
Henning Olbrich, Constanze Slabik, Renata Stripecke
Lentiviral vectors (LVs) developed in the past two decades for research and pre-clinical purposes have entered clinical trials with remarkable safety and efficacy performances. Development and clinical testing of LVs for improvement of human immunity showed major advantages in comparison to other viral vector systems. Robust and persisted transduction efficiency of blood cells with LVs, resulted into a broad range of target cells for immune therapeutic approaches: from hematopoietic stem cells and precursor cells for correction of immune deficiencies, up to effector lymphoid and myeloid cells...
July 25, 2017: Virus Genes
https://www.readbyqxmd.com/read/28737646/crp-albumin-ratio-an-early-predictor-of-steroid-responsiveness-in-acute-severe-ulcerative-colitis
#17
David J Gibson, Karen Hartery, Jayne Doherty, Jack Nolan, Denise Keegan, Kathryn Byrne, Sean T Martin, Maire Buckley, Juliette Sheridan, Gareth Horgan, Hugh E Mulcahy, Garret Cullen, Glen A Doherty
INTRODUCTION: Identifying hospitalized patients with acute severe ulcerative colitis (ASUC) who will be refractory to corticosteroid therapy and require rescue therapy remains difficult. Hypoalbuminemia worsens with time during hospitalization and is associated with rapid clearance of and reduced response to infliximab (IFX) rescue. Early use of rescue therapy may therefore be more effective. Simple clinical and laboratory predictors of corticosteroid responsiveness would facilitate earlier use of rescue therapy...
July 21, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28725432/transplanters-drive-cars-to-the-clinic-by-brewing-ice-t-the-moffitt-roadmap
#18
EDITORIAL
Frederick L Locke, Claudio Anasetti
Recent single institution clinical trial successes with anti-CD19 Chimeric Antigen Receptor (CAR) T cell therapy for B cell malignancies attracted significant attention from industry. Our center sought to rapidly and safely bring industry sponsored pivotal trials to our patients and to prepare for additional cell therapy trials in solid and liquid tumors from both industry and our own investigators. We implemented a collaborative cross departmental program to provide clinical care and trial coordination for immune cell therapies...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28725044/cord-blood-nk-cells-engineered-to-express-il-15-and-a-cd19-targeted-car-show-long-term-persistence-and-potent-anti-tumor-activity
#19
E Liu, Y Tong, G Dotti, H Shaim, B Savoldo, M Mukherjee, J Orange, X Wan, X Lu, A Reynolds, M Gagea, P Banerjee, R Cai, M H Bdaiwi, R Basar, M Muftuoglu, L Li, D Marin, W Wierda, M Keating, R Champlin, E Shpall, K Rezvani
Chimeric antigen receptors (CARs) have been used to redirect the specificity of autologous T-cells against leukemia and lymphoma with promising clinical results.(1-3) Extending this approach to allogeneic T-cells is problematic as they carry a significant risk of graft-versus-host disease (GVHD). Natural killer (NK) cells are highly cytotoxic effectors, killing their targets in a non-antigen specific manner without causing GVHD. Cord blood (CB) offers an attractive, allogeneic, off-the-self source of NK cells for immunotherapy...
July 20, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28724573/a-single-dose-of-peripherally-infused-egfrviii-directed-car-t-cells-mediates-antigen-loss-and-induces-adaptive-resistance-in-patients-with-recurrent-glioblastoma
#20
Donald M O'Rourke, MacLean P Nasrallah, Arati Desai, Jan J Melenhorst, Keith Mansfield, Jennifer J D Morrissette, Maria Martinez-Lage, Steven Brem, Eileen Maloney, Angela Shen, Randi Isaacs, Suyash Mohan, Gabriela Plesa, Simon F Lacey, Jean-Marc Navenot, Zhaohui Zheng, Bruce L Levine, Hideho Okada, Carl H June, Jennifer L Brogdon, Marcela V Maus
We conducted a first-in-human study of intravenous delivery of a single dose of autologous T cells redirected to the epidermal growth factor receptor variant III (EGFRvIII) mutation by a chimeric antigen receptor (CAR). We report our findings on the first 10 recurrent glioblastoma (GBM) patients treated. We found that manufacturing and infusion of CAR-modified T cell (CART)-EGFRvIII cells are feasible and safe, without evidence of off-tumor toxicity or cytokine release syndrome. One patient has had residual stable disease for over 18 months of follow-up...
July 19, 2017: Science Translational Medicine
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