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https://www.readbyqxmd.com/read/28086852/pd-l1-expression-in-papillary-renal-cell-carcinoma
#1
Takanobu Motoshima, Yoshihiro Komohara, Chaoya Ma, Arni Kusuma Dewi, Hirotsugu Noguchi, Sohsuke Yamada, Toshiyuki Nakayama, Shohei Kitada, Yoshiaki Kawano, Wataru Takahashi, Masaaki Sugimoto, Motohiro Takeya, Naohiro Fujimoto, Yoshinao Oda, Masatoshi Eto
BACKGROUND: The immune escape or tolerance of cancer cells is considered to be closely involved in cancer progression. Programmed death-1 (PD-1) is an inhibitory receptor expressed on activating T cells, and several types of cancer cells were found to express PD-1 ligand 1 (PD-L1) and ligand 2 (PD-L2). METHODS: In the present study, we investigated PD-L1/2 expression in papillary renal cell carcinoma (pRCC). RESULT: We found PD-L1 expression in 29 of 102 cases, but no PD-L2 expression was seen...
January 13, 2017: BMC Urology
https://www.readbyqxmd.com/read/28076863/adverse-renal-effects-of-immune-checkpoint-inhibitors-a-narrative-review
#2
Rimda Wanchoo, Sabine Karam, Nupur N Uppal, Valerie S Barta, Gilbert Deray, Craig Devoe, Vincent Launay-Vacher, Kenar D Jhaveri
BACKGROUND: Cancer immunotherapy, such as anti-cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and anti-programmed death 1 (PD-1), has revolutionized the treatment of malignancies by engaging the patient's own immune system against the tumor rather than targeting the cancer directly. These therapies have demonstrated a significant benefit in the treatment of melanomas and other cancers. SUMMARY: In order to provide an extensive overview of the renal toxicities induced by these agents, a Medline search was conducted of published literature related to ipilimumab-, pembrolizumab-, and nivolumab-induced kidney toxicity...
January 12, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28074937/circulating-t-lymphocyte-subsets-cytokines-and-immune-checkpoint-inhibitors-in-patients-with-bipolar-ii-or-major-depression-a-preliminary-study
#3
Wei Wu, Ya-Li Zheng, Li-Ping Tian, Jian-Bo Lai, Chan-Chan Hu, Peng Zhang, Jing-Kai Chen, Jian-Bo Hu, Man-Li Huang, Ning Wei, Wei-Juan Xu, Wei-Hua Zhou, Shao-Jia Lu, Jing Lu, Hong-Li Qi, Dan-Dan Wang, Xiao-Yi Zhou, Jin-Feng Duan, Yi Xu, Shao-Hua Hu
This study aimed to investigate the less known activation pattern of T lymphocyte populations and immune checkpoint inhibitors on immunocytes in patients with bipolar II disorder depression (BD) or major depression (MD). A total of 23 patients with BD, 22 patients with MD, and 20 healthy controls (HCs) were recruited. The blood cell count of T lymphocyte subsets and the plasma level of cytokines (IL-2, IL-4, IL-6, IL-10, TNF-α, and IFN-γ) were selectively investigated. The expression of T-cell immunoglobulin and mucin-domain containing-3 (TIM-3), programmed cell death protein 1 (PD-1) and its ligands, PD-L1 and PD-L2, on T lymphocytes and monocytes, was detected...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28074746/oncology-s-trojan-horse-using-viruses-to-battle-cancer
#4
Heena J Mavani, Jeannette Y Wick
: In 2016, the American health care system was faced with more than 1.6 million new cases of cancer, and individuals older than 65 years of age will be affected disproportionately. Many older individuals are poor candidates for traditional treatments (e.g., chemotherapy, radiation) because of actual or potential treatment-related adverse events. Researchers continuously look for novel therapeutic strategies, and an exciting new one is on the horizon: virotherapy. Viruses' ability to infect and kill human cells makes them promising cancer treatments...
December 1, 2016: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28073132/hypothyroidism-in-cancer-patients-on-immune-checkpoint-inhibitors-with-anti-pd1-agents-insights-on-underlying-mechanisms
#5
M Alhusseini, J Samantray
Background: Immune therapy using monoclonal antibodies against cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) and programmed cell death 1 receptor (PD-1) for various cancers have been reported to cause thyroid dysfunction. Little is known, however, about the underlying pathogenic mechanisms and the course of hypothyroidism that subsequently develops. In this report, we use the change in thyroglobulin and thyroid antibody levels in patients on immune therapy who develop hypothyroidism to better understand its pathogenesis as well as examine the status of hypothyroidism in the long term...
January 10, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28072717/clinics-prognosis-and-new-therapeutic-options-in-patients-with-mucosal-melanoma-a-retrospective-analysis-of-75-patients
#6
Tim Schaefer, Imke Satzger, Ralf Gutzmer
Mucosal melanomas represent a rare entity with different risk factors and molecular features compared to cutaneous melanomas. They arise most commonly from mucosal surfaces in the head/neck region, the female genital tract (FGT) and the anorectal region. The aim of this study was to evaluate clinics, prognosis, and treatment options of patients with mucosal melanoma, in particular with regard to different primary sites.We retrospectively analyzed 75 patients with mucosal melanomas diagnosed in the years 1993 to 2015 in our department...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28069876/targeting-plk1-to-enhance-efficacy-of-olaparib-in-castration-resistant-prostate-cancer
#7
Xiaoqi Liu, Jie Li, Ruixin Wang, Yifan Kong, Meaghan M Broman, Colin Carlock, Long Chen, Zhiguo Li, Elia Farah, Timothy L Ratliff
Olaparib is a FDA-approved PARP inhibitor (PARPi) that has shown promise as a synthetic lethal treatment approach for BRCA-mutant castration-resistant prostate cancer (CRPC) in clinical use. However, emerging data has also shown that even BRCA-mutant cells may be resistant to PARPi. The mechanistic basis for these drug resistances is poorly understood. Polo-like kinase 1 (Plk1), a critical regulator of many cell cycle events, is significantly elevated upon castration of mice carrying xenograft prostate tumors...
January 9, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28069723/a-novel-murine-gitr-ligand-fusion-protein-induces-antitumor-activity-as-a-monotherapy-which-is-further-enhanced-in-combination-with-an-ox40-agonist
#8
Rebecca Leyland, Amanda Watkins, Kathy Mulgrew, Nicholas Holoweckyj, Lisa Bamber, Natalie J Tigue, Emily Offer, John Andrews, Li Yan, Stefanie Mullins, Michael D Oberst, Jane Coates Ulrichsen, David A Leinster, Kelly A McGlinchey, Lesley Young, Michelle Morrow, Scott A Hammond, Philip R Mallinder, Athula Herath, Ching Ching Leow, Robert W Wilkinson, Ross Stewart
PURPOSE: To generate and characterize a murine GITR ligand fusion protein (mGITRL-FP) designed to maximize valency and the potential to agonize the GITR receptor for cancer immunotherapy. EXPERIMENTAL DESIGN: The EC50 value of the mGITRL-FP was compared to an anti-GITR antibody in an in vitro agonistic cell based reporter assay. We assessed the impact of dose, schedule and Fc isotype on antitumor activity and T-cell modulation in the CT26 tumor model. The activity of the mGITRL-FP was compared to an agonistic murine OX40L-FP targeting OX40, in CT26 and B16F10-Luc2 tumor models...
January 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28069571/apc-c-dysfunction-limits-excessive-cancer-chromosomal-instability
#9
Laurent Sansregret, James O Patterson, Sally Dewhurst, Carlos López-García, André Koch, Nicholas McGranahan, William Chong Hang Chao, David J Barry, Andrew Rowan, Rachael Instrell, Stuart Horswell, Michael Way, Michael Howell, Martin R Singleton, René H Medema, Paul Nurse, Mark Petronczki, Charles Swanton
: Intercellular heterogeneity, exacerbated by chromosomal instability (CIN), fosters tumor heterogeneity and drug resistance. However, extreme CIN correlates with improved cancer outcome, suggesting that karyotypic diversity required to adapt to selection pressures might be balanced in tumors against the risk of excessive instability. Here, we used a functional genomics screen, genome editing, and pharmacologic approaches to identify CIN-survival factors in diploid cells. We find partial anaphase-promoting complex/cyclosome (APC/C) dysfunction lengthens mitosis, suppresses pharmacologically induced chromosome segregation errors, and reduces naturally occurring lagging chromosomes in cancer cell lines or following tetraploidization...
January 9, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28064556/pd-1-checkpoint-blockade-alone-or-combined-pd-1-and-ctla-4-blockade-as-immunotherapy-for-lung-cancer
#10
Tawee Tanvetyanon, Jhanelle E Gray, Scott J Antonia
Signaling through T-cell surface, an immune checkpoint protein such as PD-1 or CTLA-4 helps dampen or terminate unwanted immune responses. Blocking a single immune checkpoint or multiple checkpoints simultaneously can generate anti-tumor activity against a variety of cancers including lung cancer. Area covered: This review highlights the results of recent clinical studies of single or combination checkpoint inhibitor immunotherapy in non-small cell lung cancer (NSCLC) or small cell lung cancer (SCLC). The authors discuss pembrolizumab and pembrolizumab plus ipilimumab, durvalumab and durvalumab plus tremelimumab, nivolumab and nivolumab plus ipilimumab for NSCLC as well as nivolumab and nivolumab plus ipilimumab for SCLC...
January 9, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28064139/neurological-adverse-events-associated-with-immune-checkpoint-inhibitors-review-of-the-literature
#11
REVIEW
S Cuzzubbo, F Javeri, M Tissier, A Roumi, C Barlog, J Doridam, C Lebbe, C Belin, R Ursu, A F Carpentier
Immune checkpoint inhibitors (ICIs) targeting CTLA4 and PD1 constitute a promising class of cancer treatment but are associated with several immune-related disorders. We here review the literature reporting neurological adverse events (nAEs) associated with ICIs. A systematic search of literature, up to February 2016, mentioning nAEs in patients treated with ICIs was conducted. Eligible studies included case reports and prospective trials. One case seen in our ward was also added. Within the 59 clinical trials (totalling 9208 patients) analysed, the overall incidence of nAEs was 3...
January 5, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28063623/immune-checkpoint-inhibitors-in-lung-cancer-an-unheralded-opportunity
#12
R Marshall, A Popple, T Kordbacheh, J Honeychurch, C Faivre-Finn, T Illidge
Lung cancer remains the leading cause of cancer-related death worldwide, with non-small cell lung cancer accounting for 85% of the disease. Over 70% of patients present with locally advanced, non-resectable or metastatic disease and despite improvements in chemoradiotherapy regimens and the development of molecularly targeted agents, 5 year survival rates remain poor, with acquired resistance to novel targeted therapies becoming a growing concern. Currently there remains an unmet need in effectively treating and inducing durable responses in advanced disease...
January 4, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28062704/radiosensitization-by-the-atr-inhibitor-azd6738-through-generation-of-acentric-micronuclei
#13
Magnus T Dillon, Holly E Barker, Malin Pedersen, Hind Hafsi, Shreerang A Bhide, Kate L Newbold, Christopher M Nutting, Martin McLaughlin, Kevin J Harrington
AZD6738 is an orally active ATR inhibitor (ATRi) currently in phase I clinical trials. We found in vitro growth inhibitory activity of this ATRi in a panel of human cancer cell lines. We demonstrated radiosensitization by AZD6738 to single radiation fractions in multiple cancer cell lines independent of both p53 and BRCA2 status by the clonogenic assay. Radiosensitization by AZD6738 to clinically relevant doses of fractionated radiation was demonstrated in vitro using a 3D tumor spheroid model and, in vivo, AZD6738 radiosensitized by abrogating the radiation-induced G2 cell-cycle checkpoint and inhibiting homologous recombination...
January 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28061473/immunotherapy-incorporation-in-the-evolving-paradigm-of-renal-cancer-management-and-future-prospects
#14
Kenneth G Liu, Sorab Gupta, Sanjay Goel
Significant progress has been made in the management of renal cell carcinoma (RCC) during the last few decades. In early stage, localized disease, surgical resection remains the modality of choice, with no therapeutic interventions as options for post-operative therapy other than simple observation and clinical surveillance. However, treatment options in the advanced or metastatic setting are increasing at a dizzying pace, initially with cytokine therapy, then with the increased availability of targeted therapy including novel small-molecule inhibitors of receptor tyrosine kinases and monoclonal antibodies targeting novel proteins, establishing them as the current standard of care...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28059853/a-review-of-serious-adverse-effects-under-treatment-with-checkpoint-inhibitors
#15
Lucie Heinzerling, Simone M Goldinger
PURPOSE OF REVIEW: The aim of this article is to raise awareness of physicians for the serious side-effects of immune-checkpoint blocking antibodies. As checkpoint inhibitors can induce severe side-effects and are increasingly being used also in subspecialties besides dermatology and oncology, with less experience with these drugs available, knowledge has to be spread. Early recognition and adequate management is essential. RECENT FINDINGS: Recent reports on side-effects document cases of serious side-effects involving all organ systems...
January 3, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28059852/immune-checkpoint-inhibitors-in-first-line-therapy-of-advanced-non-small-cell-lung-cancer
#16
Jordi Remon, Benjamin Besse
PURPOSE OF REVIEW: Evading immune destruction is a hallmark of cancer. The first therapeutic wave in immunotherapies comprised a series of monoclonal antibodies directed against the immune checkpoint molecules cytotoxic T-lymphocyte-associated protein 4, programmed death 1 (PD-1), and programmed death ligand-1 (PD-L1) revolutionizing the therapeutic landscape of advanced non-small cell lung cancer. They were validated initially as second-line treatment, becoming the new standard of care...
January 3, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28057182/auto-immunit%C3%A3-et-gestion-des-toxicit%C3%A3-s-des-traitements-par-anti-check-point-inhibiteurs
#17
Marie Senant, Delphine Giusti, Laurence Weiss, Marie-Agnès Dragon-Durey
AUTOIMMUNITY AND MANAGEMENT OF THE IMMUNE-RELATED ADVERSE EFFECTS OF THE IMMUNE CHECKPOINT INHIBITORS: The immune checkpoint molecules such as CTLA-4 and PD-1 are involved in the tolerance mechanisms preventing the immune system to react against the self-antigens. When these receptors expressed on the lymphocyte membrane, bind to their ligands, they induce a negative signal to the cell which becomes unable to be completely activated in the presence of its antigen. In a context of tumor, the infiltrating T cells are frequently exhausted due to the expression of CTLA-4 and PD-1 ligands by the microenvironment impairing the antitumoral immunity...
November 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/28057180/utilisation-des-inhibiteurs-de-pd-1-dans-les-h%C3%A3-mopathies-lympho%C3%A3-des
#18
Laura Bounaix, Mohammed Bendouda, Jacques-Olivier Bay, Richard Lemal
ANTI-PD-1 ANTIBODIES THERAPEUTIC USE IN LYMPHOID NEOPLASMS: Immune checkpoints blockade is under investigation in oncology, and has demonstrated its clinical efficacy. In hematology, immune checkpoints blockade is in earlier stages of development, but there are strong evidences of PD-1 blockade anti-tumor efficacy in some lymphoid malignancies. In this review, we will discuss the main clinical results of PD-1 inhibitors in lymphoid neoplasms and the main perspectives of development.
November 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/28057177/les-inhibiteurs-des-points-de-contr%C3%A3-le-immunitaire-dans-le-cancer-bronchique-non-%C3%A3-petites-cellules-de-stade-avanc%C3%A3
#19
Elizabeth Fabre, Nicola Pécuchet, Jacques Cadranel
IMMUNE CHECKPOINT INHIBITORS IN ADVANCED NON-SMALL CELL LUNG CANCER: T-cell-directed strategies represent currently a major advance in the treatment of advanced non-small-cell lung cancer, regarding their efficacy and tolerance. Nivolumab and pembrolizumab, two monoclonal antibodies targeting programmed cell death protein 1 (PD-1) have shown their efficacy in phase III studies. Several other drugs are developed and the benefit of association is being evaluated. In this article, we propose to summarize the clinical development of immune checkpoint inhibitors in patients with advanced non-small cell lung cancer...
November 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/28057176/immunoth%C3%A3-rapie-et-m%C3%A3-lanome-l%C3%A2-exemple-des-anticorps-immunomodulateurs
#20
Cécile Pagès, Barouyr Baroudjian, Celeste Lebbé
Recently, metastatic melanoma has known real therapeutic improvement. Since 2011, 8 drugs have been approved for advanced melanoma such as immunotherapy checkpoint inhibitors. Chemotherapy is no longer used in the first setting of metastatic melanoma treatment. In 2010, the advent of ipilimumab, an anti CTLA 4 inhibitor, changed the scenario and in the following years, many studies confirmed the efficacy of nivolumab and pembrolizumab, two anti PD 1 inhibitors, as a first line treatment. Furthermore, the combination of first-line nivolumab plus ipilimumab might lead to improved outcomes compared with first-line ipilimumab alone in patients with advanced melanoma...
November 2016: Bulletin du Cancer
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