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https://www.readbyqxmd.com/read/28747580/emerging-drugs-and-combinations-to-treat-multiple-myeloma
#1
REVIEW
Alessandra Larocca, Roberto Mina, Francesca Gay, Sara Bringhen, Mario Boccadoro
In the past few years, multiple targeted therapies and immunotherapies including second generation immunomodulatory drugs (pomalidomide) and proteasome inhibitors (carfilzomib, ixazomib), monoclonal antibodies and checkpoint inhibitors were approved for the treatment of myeloma or entered advanced phases of clinical testing. These agents showed significant activity in advanced myeloma and increased the available treatment strategies.Pomalidomide is well-tolerated and effective in patients with relapsed/refractory multiple myeloma who have exhausted any possible treatment with lenalidomide and bortezomib...
July 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28747424/ilc2s-regulate-adaptive-th2-cell-functions-via-pd-l1-checkpoint-control
#2
Christian Schwartz, Adnan R Khan, Achilleas Floudas, Sean P Saunders, Emily Hams, Hans-Reimer Rodewald, Andrew N J McKenzie, Padraic G Fallon
Group 2 innate lymphoid cells (ILC2s) are important effector cells driving the initiation of type 2 immune responses leading to adaptive T helper 2 (Th2) immunity. Here we show that ILC2s dynamically express the checkpoint inhibitor molecule PD-L1 during type 2 pulmonary responses. Surprisingly, PD-L1:PD-1 interaction between ILC2s and CD4(+) T cells did not inhibit the T cell response, but PD-L1-expressing ILC2s stimulated increased expression of GATA3 and production of IL-13 by Th2 cells both in vitro and in vivo...
July 26, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28746871/the-histone-methyltransferase-ezh2-controls-mechanisms-of-adaptive-resistance-to-tumor-immunotherapy
#3
Daniel Zingg, Natalia Arenas-Ramirez, Dilara Sahin, Rodney A Rosalia, Ana T Antunes, Jessica Haeusel, Lukas Sommer, Onur Boyman
Immunotherapy and particularly immune checkpoint inhibitors have resulted in remarkable clinical responses in patients with immunogenic tumors, although most cancers develop resistance to immunotherapy. The molecular mechanisms of tumor resistance to immunotherapy remain poorly understood. We now show that induction of the histone methyltransferase Ezh2 controls several tumor cell-intrinsic and extrinsic resistance mechanisms. Notably, T cell infiltration selectively correlated with high EZH2-PRC2 complex activity in human skin cutaneous melanoma...
July 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28746710/clinical-outcomes-of-metastatic-melanoma-treated-with-checkpoint-inhibitors-and-multisite-radiotherapy
#4
Jérôme Doyen, Alexandra Picard, Arash O Naghavi, Antoine Thyss, Thierry Passeron, Jean-Philippe Lacour, Henri Montaudié
No abstract text is available yet for this article.
July 26, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28746211/epidermal-growth-factor-promotes-proliferation-and-maintains-multipotency-of-continuous-cultured-adipose-stem-cells-via-activating-stat-signal-pathway-in-vitro
#5
Guihai Ai, Xiaowen Shao, Meng Meng, Liwen Song, Jin Qiu, Yi Wu, Jianhong Zhou, Jiajing Cheng, Xiaowen Tong
This study aimed to investigate the effects of epidermal growth factor (EGF) on the proliferation and differentiation of adipose stem cells (ASC) during the repeated passaging and probe the underlying signal pathway. Results showed that the Ki67 positive rate remained at a high level, the number of ASCs in G0/G1 phase reduced significantly, but ASCs in G2/M phase and S phase increased markedly in ASCs treated with EGF when compared with ASCs without EGF treatment, indicating that EGF made more ASCs in proliferation phase...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28745931/prospect-for-immune-checkpoint-blockade-dynamic-and-comprehensive-monitorings-pave-the-way
#6
Weili Wang, Jie Liu, Yijing He, Howard L McLeod
Immune checkpoint blockade, which releases the brake of the immune system to enhance anticancer immune response, stands out in the cancer immunotherapy field due to their remarkable and long-lasting effect. However, the overall response rate for currently approved immune checkpoint inhibitors is only about 10-40%. We have summarized three major components, which are the presence of checkpoints, the immune-activation mechanism and the immune-inhibitory mechanism, containing six factors to describe the cancer-immune interaction dynamically and comprehensively, which shed light on promising biomarkers in immune checkpoint therapy...
July 26, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28745064/therapeutic-potential-of-investigational-chk-1-inhibitors-for-the-treatment-of-solid-tumors
#7
Hani M Babiker, Ali McBride, Laurence S Cooke, Daruka Mahadevan
For several decades' cancer treatment targeting DNA repair pathways incorporated both chemo- and radiotherapy only. However, over the last decade improved knowledge of DNA repair processes has paved the way for the development of novel targeted drugs abrogating DNA repair signaling. Checkpoint kinase inhibitors are exciting molecules and hold promise in the treatment of both solid and hematologic malignancies. Herein, we discuss preclinical and clinical studies with this class of molecules. Areas Covered: In this review, we discuss the role of check point kinase 1 (CHK-1) in DNA repair and provide a comprehensive summary of pre-clinical and early phase clinical trials with CHK-1 inhibitors...
July 26, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28743833/therapeutic-vaccine-to-cure-large-mouse-hepatocellular-carcinomas
#8
Zhen Han, De Yang, Anna Trivett, Joost J Oppenheim
Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide with limited therapeutic options. Here we report the development of a therapeutic vaccination regimen (shortened as 'TheraVac') consisting of intratumoral delivery of high-mobility group nucleosome-binding protein 1 (HMGN1), R848/resiquimod, and one of the checkpoint inhibitors (e.g. anti-CTLA4, anti-PD-L1, or low dose of Cytoxan). C57BL/6 mice harboring large (approximately 1 cm in diameter) established subcutaneous Hepa1-6 hepatomas were cured by intratumoral injections of TheraVac and became tumor-free long-term survivors...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28743264/recent-developments-in-immunotherapy-of-acute-myeloid-leukemia
#9
REVIEW
Felix S Lichtenegger, Christina Krupka, Sascha Haubner, Thomas Köhnke, Marion Subklewe
The advent of new immunotherapeutic agents in clinical practice has revolutionized cancer treatment in the past decade, both in oncology and hematology. The transfer of the immunotherapeutic concepts to the treatment of acute myeloid leukemia (AML) is hampered by various characteristics of the disease, including non-leukemia-restricted target antigen expression profile, low endogenous immune responses, and intrinsic resistance mechanisms of the leukemic blasts against immune responses. However, considerable progress has been made in this field in the past few years...
July 25, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28741518/companion-and-complementary-diagnostics-clinical-and-regulatory-perspectives
#10
REVIEW
Jan Trøst Jørgensen
Nearly 20 years ago, the US Food and Drug Administration (FDA) approved the first companion diagnostic assay and, today, this type of test governs the use of 18 different drugs. With the appearance of PD-L1 immunohistochemistry (IHC) assays linked to the use of different PD-1/PD-L1 immune checkpoint inhibitors, a new class of predictive biomarker assays has emerged; the complementary diagnostics. These are predictive biomarker assays that aid the therapeutic decision process but are not a prerequisite for receiving a specific drug, as is the case with companion diagnostics...
December 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28741503/the-pushmi-pullyu-of-dna-repair-clinical-synthetic-lethality
#11
REVIEW
S Percy Ivy, Johann de Bono, Elise C Kohn
Maintenance of genomic integrity is critical for adaptive survival in the face of endogenous and exogenous environmental stress. The loss of stability and fidelity in the genome caused by cancer and cancer treatment provides therapeutic opportunities to leverage the critical balance between DNA injury and repair. Blocking repair and pushing damaged DNA through the cell cycle using therapeutic inhibitors exemplify the 'pushmi-pullyu' effect of disrupted DNA repair. DNA repair inhibitors (DNARi) can be separated into five biofunctional categories: sensors, mediators, transducers, effectors, and collaborators that recognize DNA damage, propagate injury DNA messages, regulate cell cycle checkpoints, and alter the microenvironment...
November 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28740119/novel-insights-into-mesothelioma-biology-and-implications-for-therapy
#12
REVIEW
Timothy A Yap, Joachim G Aerts, Sanjay Popat, Dean A Fennell
Malignant mesothelioma is a universally lethal cancer that is increasing in incidence worldwide. There is a dearth of effective therapies, with only one treatment (pemetrexed and cisplatin combination chemotherapy) approved in the past 13 years. However, the past 5 years have witnessed an exponential growth in our understanding of mesothelioma pathobiology, which is set to revolutionize therapeutic strategies. From a genomic standpoint, mesothelioma is characterized by a preponderance of tumour suppressor alterations, for which novel therapies are currently in development...
July 25, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28739315/combination-therapy-of-radiotherapy-and-anti-pd-1-pd-l1-treatment-in-non-small-cell-lung-cancer-a-mini-review
#13
REVIEW
Shinkichi Takamori, Gouji Toyokawa, Kazuki Takada, Fumihiro Shoji, Tatsuro Okamoto, Yoshihiko Maehara
Immune checkpoint inhibitors against programmed cell death-1 (PD-1) or programmed cell death-ligand 1 (PD-L1) are a standard pharmacologic therapy for patients with non-small-cell lung cancer (NSCLC). Substantial data have accumulated in recent years showing that radiotherapy combined with immunotherapy is more effective than monotherapy alone. Preclinical studies have shown that PD-L1 expression is upregulated on tumor cells after radiotherapy, resulting in the synergistically enhanced antitumor effect of irradiation and PD-L1 blockade...
July 6, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28738360/targeting-developmental-pathways-the-achilles-heel-of-cancer
#14
Wolfram C M Dempke, Klaus Fenchel, Peter Uciechowski, Timothy Chevassut
Developmental pathways (e.g., Notch, Hippo, Hedgehog, Wnt, and TGF-β/BMP/FGF) are networks of genes that act co-ordinately to establish the body plan, and disruptions of genes in one pathway can have effects in related pathways and may result in serious dysmorphogenesis or cancer. Interestingly, all developmental pathways are highly conserved cell signalling systems present in almost all multicellular organisms. In addition, they have a crucial role in cell proliferation, apoptosis, differentiation, and finally in organ development...
July 22, 2017: Oncology
https://www.readbyqxmd.com/read/28737620/sarcoidosis-following-anti-pd-1-and-anti-ctla-4-therapy-for-metastatic-melanoma
#15
Swathi B Reddy, Jennifer D Possick, Harriet M Kluger, Anjela Galan, Dale Han
Immune checkpoint inhibitors represent the newest treatment for stage IV melanoma. These agents are generally well tolerated, however severe immune-related adverse effects have been noted in a small, but clinically significant percentage of patients. Specifically, sarcoidosis is a known potential complication following anti-CTLA-4 therapy. We present 2 cases of pulmonary and cutaneous sarcoidosis developing in patients with stage IV melanoma. Both patients were treated with ipilimumab and anti-PD-1 therapy, and both experienced good oncologic responses to treatment; neither had evidence of preexisting sarcoidosis...
July 21, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28737430/nivolumab-for-the-treatment-of-bladder-cancer
#16
Oliver W Hakenberg
The checkpoint inhibitor nivolumab has recently demonstrated effectiveness against metatstatic urothelial carcinoma. Nivolumab is a fully human monoclonal antibody blocking PD-1 and thereby enhancing antitumour immune mechanisms. Areas covered: In this review, the authors describe the treatment of metastatic bladder cancer with nivolumab against the background of the standard treatment with cisplatin-based chemotherapy which can prolong overall survival from 3-6 months in untreated cases to over one year. Different combinations of cisplatin-based chemotherapy can further prolong survival by only a few months...
July 24, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28736633/biologics-in-gastrointestinal-and-pancreatic-neuroendocrine-tumors
#17
REVIEW
Iris H Liu, Pamela L Kunz
The development of biologic agents has ushered in a new era of precision medicine, opening the door to new therapeutic options designed to intelligently target cancer cells and their promoting factors, while leaving normal cells relatively unharmed. Biologics for the treatment of neuroendocrine tumors (NETs) have followed in the footsteps of regimens targeting pathways upregulated in other cancers, including the vascular endothelial growth factor (VEGF) and the mammalian target of rapamycin (mTOR). Through a number of clinical trials, the mTOR inhibitor everolimus and the receptor tyrosine kinase (RTK) inhibitor sunitinib were recently approved for NETs...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28734759/nivolumab-in-patients-with-metastatic-dna-mismatch-repair-deficient-or-microsatellite-instability-high-colorectal-cancer-checkmate-142-an-open-label-multicentre-phase-2-study
#18
Michael J Overman, Ray McDermott, Joseph L Leach, Sara Lonardi, Heinz-Josef Lenz, Michael A Morse, Jayesh Desai, Andrew Hill, Michael Axelson, Rebecca A Moss, Monica V Goldberg, Z Alexander Cao, Jean-Marie Ledeine, Gregory A Maglinte, Scott Kopetz, Thierry André
BACKGROUND: Metastatic DNA mismatch repair-deficient (dMMR)/microsatellite instability-high (MSI-H) colorectal cancer has a poor prognosis after treatment with conventional chemotherapy and exhibits high levels of tumour neoantigens, tumour-infiltrating lymphocytes, and checkpoint regulators. All of these features are associated with the response to PD-1 blockade in other tumour types. Therefore, we aimed to study nivolumab, a PD-1 immune checkpoint inhibitor, in patients with dMMR/MSI-H metastatic colorectal cancer...
July 19, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28734176/cancer-immunotherapy-moving-forward-with-peptide-t-cell-vaccines
#19
REVIEW
Takumi Kumai, Aaron Fan, Yasuaki Harabuchi, Esteban Celis
Recent advances in cancer immunology, such as the discovery of immune checkpoint inhibitors, have validated immune cells as potential key players for effective cancer treatment. The efficacy of these therapies seems to be codependent on a tumor-reactive T lymphocyte response. For many years, numerous attempts and strategies in developing vaccines to generate tumor-reactive T cells have yielded poor results in the clinic due to suboptimal immunogenicity and the inability to overcome an immunosuppressive tumor microenvironment...
July 19, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28733892/comparison-of-recist-to-immune-related-response-criteria-in-patients-with-non-small-cell-lung-cancer-treated-with-immune-checkpoint-inhibitors
#20
Hee Kyung Kim, Mi Hwa Heo, Han Sang Lee, Jong-Mu Sun, Se-Hoon Lee, Jin Seok Ahn, Keunchil Park, Myung-Ju Ahn
PURPOSE: Given that immune-related response in non-small cell lung cancer (NSCLC) has not been well evaluated, we assessed tumor response using the response evaluation criteria in solid tumors, version 1.1 (RECIST v1.1) and immune-related response criteria (irRC) to identify atypical responses in patients with advanced NSCLC treated with immunotherapeutic agents. METHODS: Patients received immune-checkpoint inhibitors (pembrolizumab, atezolizumab, nivolumab, and durvalumab plus tremelimumab) to treat metastatic or recurrent NSCLC after failed platinum-based chemotherapy...
July 21, 2017: Cancer Chemotherapy and Pharmacology
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