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VEGF Inhibitor

Vivek Subbiah, Oliver Holmes, Kyle Gowen, Daniel Spritz, Behrang Amini, Wei-Lien Wang, Alexa B Schrock, Funda Meric-Bernstam, Ralph Zinner, Sarina Piha-Paul, Maria Zarzour, Julia A Elvin, Rachel L Erlich, David L Stockman, Jo-Anne Vergilio, James H Suh, Philip J Stephens, Vincent Miller, Jeffrey S Ross, Siraj M Ali
Malignant gastrointestinal neuroectodermal tumor (GNET) is an aggressive rare tumor, primarily occurring in young adults with frequent local-regional metastases and recurrence after local control. The tumor is characterized by the presence of EWSR1-ATF1 or EWSR1-CREB1 and immunohistochemical positivity for S-100 protein without melanocytic marker positivity. Due to poor responses to standard sarcoma regimens, GNET has a poor prognosis, and development of effective systemic therapy is desperately needed to treat these patients...
October 21, 2016: Oncology
Kevin K Kim, Thomas H Sisson, Jeffrey C Horowitz
Lung fibrosis results from the cumulative effect of dysfunctional wound repair involving multiple cell types, including fibroblasts, epithelial cells and macrophages responding to an array of soluble and matrix mediated stimuli. Recent studies have shown that a tyrosine kinase inhibitor that targets FGF, VEGF and PDGF receptors can slow the rate of decline in pulmonary function in patients with idiopathic pulmonary fibrosis. However, each of these growth factor families is comprised of multiple ligands and receptors with pleiotropic activities on different cell types such that their broad inhibition might have both pro-fibrotic and anti-fibrotic effects, limiting the potential therapeutic efficacy...
October 19, 2016: Journal of Pathology
Xunian Zhou, Grace Gar-Lee Yue, Minghua Liu, Zhili Zuo, Julia Kin-Ming Lee, Mingyue Li, Stephen Kwok-Wing Tsui, Kwok-Pui Fung, Handong Sun, Jianxin Pu, Clara Bik-San Lau
Eriocalyxin B (EriB), a natural ent-kaurane diterpenoid isolated from the plant Isodon eriocalyx var. laxiflora, has emerged as a promising anticancer agent. The effects of EriB on angiogenesis were explored in the present study. Here we demonstrated that the subintestinal vein formation was significantly inhibited by EriB treatment (10, 15 μM) in zebrafish embryos, which was resulted from the alteration of various angiogenic genes as shown in transcriptome profiling. In human umbilical vein endothelial cells, EriB treatment (50, 100 nM) could significantly block vascular endothelial growth factors (VEGF)-induced cell proliferation, tube formation, cell migration and cell invasion...
October 14, 2016: Oncotarget
Jing Yu, Yue Zhang, Lai-Han Leung, Lian Liu, Fan Yang, Xiaojun Yao
Monoclonal antibodies and small molecule tyrosine kinase inhibitors (TKIs) directed against the vascular endothelial growth factor (VEGF) or its receptors have been investigated in several studies for the treatment of advanced gastric cancer (GC). In the present study, we aimed to evaluate the efficacy and safety of angiogenesis inhibitors in advanced GC. We searched published randomized controlled trials (RCTs) comparing angiogenesis inhibitors with non-angiogenesis inhibitors for the treatment of GC. MEDLINE, EMBASE, and the Cochrane Controlled Trials Register were searched...
October 18, 2016: Journal of Hematology & Oncology
Nicola Maurea, Carmela Coppola, Giovanna Piscopo, Francesca Galletta, Gennaro Riccio, Emanuela Esposito, Claudia De Lorenzo, Michelino De Laurentiis, Paolo Spallarossa, Giuseppe Mercuro
The progress in cancer therapy and the increase in number of long-term survivors reveal the issue of cardiovascular side-effects of anticancer drugs. Cardiotoxicity has become a significant problem, and the risks of adverse cardiac events induced by systemic drugs need to be seriously considered. Potential cardiovascular toxicities linked to anticancer agents include arrhythmias, myocardial ischemia and infarction, hypertension, thromboembolism, left ventricular dysfunction, and heart failure. It has been shown that several anticancer drugs seriously affect the cardiovascular system, such as ErbB2 inhibitors, vascular endothelial growth factor (VEGF) inhibitors, multitargeted kinase inhibitors, Abelson murine leukemia viral oncogene homolog inhibitors, and others...
May 2016: Journal of Cardiovascular Medicine
Naftali Stern
As both the rate of hypertension and cancer rise with age, concomitant hypertension in patients receiving treatment for cancer is very common. Increase in blood pressure during cancer treatment requires careful clinical assessment. Distinction between discontinuation or malabsorption of antihypertensive treatment due to factors such as nausea/vomiting/diarrhea and anti-cancer drug specific effects must be first made. De-novo hypertension during cancer treatment is likely related to anticancer drugs per se. Classical chemotherapeutic agents such as cyclophosphamide, cisplatin and busulfan have been previously linked to rising blood pressure...
September 2016: Journal of Hypertension
E C Martino, G Misso, P Pastina, S Costantini, F Vanni, C Gandolfo, C Botta, F Capone, A Lombardi, L Pirtoli, P Tassone, C Ulivieri, P Tagliaferri, M G Cusi, M Caraglia, P Correale
The mPEBev is an anticancer regimen which combines a chemotherapy doublet, based on cisplatin and oral etoposide (mPE), with bevacizumab (mPEBev), a mAb targeting the vasculo-endothelial growth factor (VEGF). In previous studies, this regimen showed powerful anti-angiogenetic effects and significant antitumor activity in metastatic non-small-cell lung cancer (mNSCLC) patients. We also recorded the best benefit in patients exhibiting low-systemic inflammatory profile at baseline. On these bases, we hypothesized that mPEBev antitumor activity could be partially related to bevacizumab-associated immunological effects...
2016: Cell Death Discovery
Alexander Reinthaller
Angiogenesis plays a pivotal role in normal ovarian physiology as well as in the formation and progression of ovarian cancer. Several well-designed phase II and III trials studied the efficacy of antiangiogenic agents in advanced ovarian cancer. The results of these trials demonstrated significantly prolonged progression-free survival when antiangiogenic agents were used as a maintenance therapy. To date, no effect on overall survival could be ascertained. The most widely studied antiangiogenic agent, bevacizumab - a monoclonal humanized antibody against vascular endothelial growth factor - was effective in all phases of the disease (first-line therapy, platinum-sensitive and platinum-resistant recurrence)...
2016: Memo
James J Hsieh, David Chen, Patricia I Wang, Mahtab Marker, Almedina Redzematovic, Ying-Bei Chen, S Duygu Selcuklu, Nils Weinhold, Nancy Bouvier, Kety H Huberman, Umesh Bhanot, Michael S Chevinsky, Parul Patel, Patrizia Pinciroli, Helen H Won, Daoqi You, Agnes Viale, William Lee, A Ari Hakimi, Michael F Berger, Nicholas D Socci, Emily H Cheng, Jennifer Knox, Martin H Voss, Maurizio Voi, Robert J Motzer
BACKGROUND: Metastatic renal cell carcinoma (RCC) patients are commonly treated with vascular endothelial growth factor (VEGF) inhibitors or mammalian target of rapamycin inhibitors. Correlations between somatic mutations and first-line targeted therapy outcomes have not been reported on a randomized trial. OBJECTIVE: To evaluate the relationship between tumor mutations and treatment outcomes in RECORD-3, a randomized trial comparing first-line everolimus (mTOR inhibitor) followed by sunitinib (VEGF inhibitor) at progression with the opposite sequence in 471 metastatic RCC patients...
October 14, 2016: European Urology
Jeremy C K Tan, Melissa X Kuo, Minas T Coroneo
PURPOSE: To report on a case of autoconjunctival graft compromise after pterygium surgery in a patient on long-term anti-vascular endothelial growth factor (anti-VEGF) therapy, due to the deleterious effects of anti-VEGF agents on ocular wound healing. METHODS: A white female in her early eighties presented with large right nasal pterygium, first noted 5 years previously. She also had macular degeneration and had been receiving monthly injections of ranibizumab, which was later switched to aflibercept...
October 5, 2016: Cornea
Jiaquan Luo, Yu Zhong, Sheng Huang, Liangping Li, Chi Zhang, Xuenong Zou
Ginkgolide B (GB) is one of the ginkgolides isolated from the leaves of the Ginkgo biloba tree. Our previous study indicated that GB promotes the proliferation, migration and adhesion of endothelial progenitor cells, and the induction of angiogenesis through vascular endothelial factor (VEGF). In the present study, the effects of GB on the differentiation of MC3T3‑E1 cells and the signaling pathway involved were investigated in vitro. The MC3T3‑E1 cell viability activities were assessed using an MTS assay...
October 12, 2016: Molecular Medicine Reports
Kento Kurata, Naoyoshi Onoda, Satoru Noda, Shinichiro Kashiwagi, Yuka Asano, Kosei Hirakawa, Masaichi Ohira
Anaplastic thyroid cancer (ATC) is a rare malignancy that progresses extremely aggressively and often results in dismal prognosis. We investigated the efficacy of inhibiting the activated RAS/RAF/MEK pathway in ATC cells aiming to clarify the mechanism of effect and resistance. Four human ATC cell lines (ACT-1, OCUT-2, OCUT-4 and OCUT-6) were used. OCUT-4 had a BRAF mutation. OCUT-2 had both BRAF and PI3KCA mutations. ACT-1 and OCUT-6 had wild-type BRAF and NRAS mutations. The effects of dabrafenib, a selective inhibitor of the BRAFV600E kinase, and trametinib, a reversible inhibitor of MEK activity, were investigated...
October 7, 2016: International Journal of Oncology
Vivek Subbiah, Kenneth R Hess, Muhammad Rizwan Khawaja, Michael J Wagner, Chad Tang, Aung Naing, Siqing Fu, Filip Janku, Sarina Piha-Paul, Apostolia M Tsimberidou, Cynthia E Herzog, Joseph A Ludwig, Shreyaskumar Patel, Vinod Ravi, Robert S Benjamin, Funda Meric-Bernstam, David S Hong
Prognosis of patients with advanced sarcoma after progression from FDA approved therapies remains grim. In this study, clinical outcomes of 100 patients with advanced sarcoma who received treatment on novel targeted therapy trials were evaluated. Outcomes of interest included best response, clinical benefit rate, progression-free survival (PFS) and overall survival (OS). Median patient age was 48 years (range 14-80). Patients had received a median of 2 prior lines of systemic treatment. Phase I treatments were anti-VEGF-based (n = 45), mTOR inhibitor-based (n = 15), and anti-VEGF + mTOR inhibitor-based (n = 17) or involved other targets (n = 23)...
October 17, 2016: Scientific Reports
Yun Zhao, Qiongyi Pang, Meixia Liu, Jingzi Pan, Bingwu Xiang, Tingting Huang, Fengxia Tu, Chan Liu, Xiang Chen
Using a model of middle cerebral artery occlusion (MCAO), we have previously demonstrated that treadmill exercise promotes angiogenesis in the ischemic penumbra through caveolin-1/VEGF signaling pathways. However, the function of caveolin-1/VEGF signaling in neurogenesis after MCAO has not been determined. In this study, we aimed to investigate the potential of treadmill exercise to promote neurogenesis after MCAO and whether caveolin-1/VEGF signaling pathways are involved. After MCAO, rats were subjected to a program of treadmill exercise...
October 17, 2016: Neurochemical Research
Jimmy Hwang
Esophagogastric cancers (EGCa) are a leading cause of cancer related mortality worldwide. It has been recognized that they represent heterogenous diseases based on histology and anatomy. However, it is also increasingly evident that these are diverse malignancies based on genetic alterations, and this is increasingly making these diseases amenable to targeted therapies. While epidermal growth factor receptor (EGFR) and mTOR inhibitors have failed to prove effective in the treatment of advanced EGCa, vascular endothelial growth factor (VEGF) inihibitor have now been demonstrated to improve survival, at least in the 2nd line setting of adenocarcinomas...
October 2016: Journal of Gastrointestinal Oncology
Magdalena Lukamowicz-Rajska, Christiane Mittmann, Michael Prummer, Qing Zhong, Jens Bedke, Jörg Hennenlotter, Arnulf Stenzl, Axel Mischo, Svenja Bihr, Manuela Schmidinger, Ursula Vogl, Iris Blume, Christoph Karlo, Peter Schraml, Holger Moch
A number of treatments targeting VEGF or mTOR pathways have been approved for metastatic clear cell Renal Cell Carcinoma (ccRCC), but the majority of patients show disease progression after first line therapy with a very low rate of complete or long-term responders. It has been shown that miRs may play a role in prediction of treatment response in various cancer types. The aim of our study was to identify a miR signature predictive for RCC patients' response to antiangiogenic tyrosine kinase inhibitor (TKI) treatment in the first line therapy...
October 12, 2016: Oncotarget
Hidenori Fujita, Akira Gomori, Yayoi Fujioka, Yuki Kataoka, Kenji Tanaka, Akihiro Hashimoto, Takamasa Suzuki, Kenjiro Ito, Tomonori Haruma, Hiromi Yamamoto-Yokoi, Naomoto Harada, Motomu Sakuragi, Nobuyuki Oda, Kenichi Matsuo, Masaki Inada, Kazuhiko Yonekura
Approximately 25-40% of patients with lung cancer show bone metastasis. Bone modifying agents reduce skeletal-related events (SREs), but they do not significantly improve overall survival. Therefore, novel therapeutic approaches are urgently required. In this study, we investigated the anti-tumor effect of TAS-115, a VEGFRs and HGF receptor (MET)-targeted kinase inhibitor, in a tumor-induced bone disease model. A549-Luc-BM1 cells, an osteo-tropic clone of luciferase-transfected A549 human lung adenocarcinoma cells (A549-Luc), produced aggressive bone destruction associated with tumor progression after intra-tibial (IT) implantation into mice...
2016: PloS One
Roshan Ashoor, Dong Lee, Alvan Cheng, Bart Jessen, Wenhu Huang
PURPOSE: PF-06653157 is a bifunctional antagonist monoclonal antibody (mAb) that targets human VEGF-A ligand and PDGF-Rβ. With the advent of PF-06653157 as an angiogenesis inhibitor and potential treatment for angiogenesis deregulation diseases, a relevant toxicology species is needed for toxicity and efficacy studies. Investigative studies were conducted to validate the mAb dual antagonist properties in a human system and determine its cross-reactive pharmacology in nonhuman cells. METHODS: Sequence alignment was used to determine percent sequence identity of VEGF and PDGF receptors and ligands; qualitative reverse transcription polymerase chain reaction (qRT-PCR) was used to determine the presence of PDGF-Rβ on cells of interest...
October 13, 2016: Journal of Ocular Pharmacology and Therapeutics
Qingxin Zhou, Yuekun Zhu, Xiaoli Wei, Jianhua Zhou, Liang Chang, Hong Sui, Yu Han, Daxun Piao, Ruihua Sha, Yuxian Bai
Altered expression of microRNA-590-5p (miR-590-5p) is involved in tumorigenesis, however, its role in colorectal cancer (CRC) remains to be determined. In this study, we focused on examining the effects of different expression levels of miR-590-5p in cancer cells and normal cells. Results showed that there are lower expression levels of miR-590-5p in human CRC cells and tissues than in normal control cells and tissues. Similarly, in our xenograft mouse model, knockdown of miR-590-5p promoted the progression of CRC...
October 13, 2016: Cell Death & Disease
Yue Xu, Boyu Yang, Yaguang Hu, Lin Lu, Xi Lu, Jiawei Wang, Qinmeng Shu, Qiaochu Cheng, Shanshan Yu, Fan Xu, Jingjing Huang, Xiaoling Liang
Down syndrome candidate region 1 (DSCR1) has two differentially regulated isoforms (DSCR1-1 and DSCR1-4) and is reported to play a role in a number of physiological processes, such as the inhibition of cardiac hypertrophy, attenuation of angiogenesis and carcinogenesis, and protection against neuronal death. However, the function of DSCR1 in the retina is still not clear. Therefore, we analyzed the expression and location of DSCR1 in the retina of neonatal mice with oxygen-induced retinopathy (OIR), and studied its effects on angiogenesis...
October 12, 2016: Molecular Neurobiology
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