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Cancer chemotherapy

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https://www.readbyqxmd.com/read/28351116/management-of-people-with-early-or-very-early-stage-hepatocellular-carcinoma-an-attempted-network-meta-analysis
#1
REVIEW
Avik Majumdar, Davide Roccarina, Douglas Thorburn, Brian R Davidson, Emmanuel Tsochatzis, Kurinchi Selvan Gurusamy
BACKGROUND: Hepatocellular carcinoma (primary liver cancer) is classified in many ways. The Barcelona Clinic Liver Cancer (BCLC) group staging classifies the cancer based on patient's life expectancy. People with very early- or early-stage hepatocellular carcinoma have single tumour or three tumours of maximum diameter of 3 cm or less, Child-Pugh status A to B, and performance status 0 (fully functional). Management of hepatocellular carcinoma is uncertain. OBJECTIVES: To assess the comparative benefits and harms of different interventions used in the treatment of early or very early hepatocellular carcinoma through a network meta-analysis and to generate rankings of the available interventions according to their safety and efficacy...
March 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28351058/central-macular-thickness-monitoring-after-a-taxane-based-therapy-in-visually-asymptomatic-patients
#2
Elias Chelala, Nicolas Arej, Joelle Antoun, Hampig Raphael Kourie, Karen Zaarour, Fady Ghassan Haddad, Fadi Farhat, Fadi El Karak, Joseph Kattan
BACKGROUND: Taxanes are drugs used in various chemotherapeutical protocols to treat solid tumors. They have multiple systemic adverse effects, such as bone marrow suppression, alopecia, nausea, and vomiting, and may rarely cause ocular symptoms. In the past decade, a few reported cases have shown the occurrence of a cystoid macular edema with significant visual loss after the use of a taxane-based chemotherapy. The aim of this study was to compare the central macular thickness (CMT) before and after the initiation of a taxane-based therapy in visually asymptomatic patients and to elucidate the possible impact of these drugs on the vision of cancer patients...
March 29, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28351036/hypoxia-induces-multidrug-resistance-via-enhancement-of-epidermal-growth-factor-like-domain-7-expression-in-non-small-lung-cancer-cells
#3
Xiaochun Shen, Qiaoming Zhi, Yunliang Wang, Zhi Li, Jin Zhou, Jianan Huang
Chemotherapy is widely used in non-small cell lung cancer (NSCLC) treatment, yet multidrug resistance (MDR) is a major chemotherapeutic obstacle in both resectable and advanced NSCLC. Epidermal growth factor-like domain 7 (EGFL7), also known as vascular endothelial stain, is an endothelial cell-derived secreted factor that regulates vascular tube formulation. The aim of this study was to investigate the potential relationships between EGFL7 and MDR in NSCLC cells. We first obtained the CDDP-based MDR phenotype cell line A549/CDDP by repeated exposure to a proper concentration of CDDP (cisplatin) from original A549 cells...
March 29, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28350865/multi-drug-loaded-micelles-delivering-chemotherapy-and-targeted-therapies-directed-against-hsp90-and-the-pi3k-akt-mtor-pathway-in-prostate-cancer
#4
Bao Le, Ginny L Powers, Yu Tong Tam, Nicholas Schumacher, Rita L Malinowski, Laura Steinke, Glen Kwon, Paul C Marker
BACKGROUND: Advanced prostate cancers that are resistant to all current therapies create a need for new therapeutic strategies. One recent innovative approach to cancer therapy is the simultaneous use of multiple FDA-approved drugs to target multiple pathways. A challenge for this approach is caused by the different solubility requirements of each individual drug, resulting in the need for a drug vehicle that is non-toxic and capable of carrying multiple water-insoluble antitumor drugs...
2017: PloS One
https://www.readbyqxmd.com/read/28350784/targeting-smoothened-sensitizes-gastric-cancer-to-chemotherapy-in-experimental-models
#5
Huifa Ma, Yongsheng Tian, Xiangyang Yu
BACKGROUND The Hedgehog pathway receptor smoothened (SMO) has critical roles in tumor progression. However, whether SMO is a key factor regulating gastric cancer chemotherapy resistance is unknown. MATERIAL AND METHODS We investigated the potential functions of SMO in inducing gastric cancer paclitaxel resistance in clinical samples, gastric cancer cell lines (424GC and AGS), and subcutaneous syngeneic mouse models. RESULTS We found high SMO expression in paclitaxel-resistant gastric cancer clinical samples...
March 28, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28350747/short-article-small-intestinal-mucosal-injury-in-patients-taking-chemotherapeutic-agents-for-solid-cancers
#6
Maria P Dore, Giovanni M Pes, Alberto Murino, Bianca Quarta Colosso, Marco Pennazio
OBJECTIVE: Chemotherapy for cancer is a systemic treatment often associated with side effects than can be debilitating and, in some cases, life-threatening. Few data are available on intestinal enterotoxicity. Wireless video capsule endoscopy (VCE) is a noninvasive method of imaging the small intestine. This study presents the results of VCE in patients with solid tumors undergoing antineoplastic regimens with agents, notably for toxicity for the gastrointestinal mucosa (i.e. carboplatin, cyclophosphamide, 5-fluorouracil, methotrexate, and cisplatin)...
May 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28350486/predictive-clinicopathologic-and-dynamic-contrast-enhanced-mri-findings-for-tumor-response-to-neoadjuvant-chemotherapy-in-triple-negative-breast-cancer
#7
Hye-Joung Eom, Joo Hee Cha, Woo Jung Choi, Eun Young Chae, Hee Jung Shin, Hak Hee Kim
OBJECTIVE: The purpose of this study is to investigate whether clinicopathologic factors and dynamic contrast-enhanced MRI (DCE-MRI) features are associated with pathologic tumor response to neoadjuvant chemotherapy (NAC) in patients with triple-negative breast cancer (TNBC). MATERIALS AND METHODS: Seventy-three patients with TNBC who underwent pre-NAC MRI, completed NAC, and underwent surgery between January 2009 and December 2010 were included in the study. MRI features and clinicopathologic factors for predicting pathologic responses were analyzed, and residual tumor sizes, as measured using MRI and surgical specimens, were evaluated...
March 28, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28346693/using-a-novel-nqo1-bioactivatable-drug-beta-lapachone-arq761-to-enhance-chemotherapeutic-effects-by-metabolic-modulation-in-pancreatic-cancer
#8
Muhammad Shaalan Beg, Xiumei Huang, Molly A Silvers, David E Gerber, Joyce Bolluyt, Venetia Sarode, Farjana Fattah, Ralph J Deberardinis, Matthew E Merritt, Xian-Jin Xie, Richard Leff, Daniel Laheru, David A Boothman
Novel, tumor-selective therapies are needed to increase the survival rate of pancreatic cancer patients. K-Ras-mutant-driven NAD(P)H:quinone oxidoreductase 1 (NQO1) is over-expressed in pancreatic tumor versus associated normal tissue, while catalase expression is lowered compared to levels in associated normal pancreas tissue. ARQ761 undergoes a robust, futile redox cycle in NQO1+ cancer cells, producing massive hydrogen peroxide (H2 O2 ) levels; normal tissues are spared by low NQO1 and high catalase expression...
March 27, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28346663/management-of-stage-iii-colon-cancer-in-the-elderly-practice-patterns-and-outcomes-in-the-general-population
#9
Shaila J Merchant, Sulaiman Nanji, Kelly Brennan, Safiya Karim, Sunil V Patel, James J Biagi, Christopher M Booth
BACKGROUND: Clinical trials have established surgical resection and adjuvant chemotherapy (ACT) as the standard management for stage III colon cancer; however, the extent to which these results apply to elderly patients in routine practice is unclear. This article describes the management and outcomes of elderly patients with stage III colon cancer. METHODS: All cases of surgically resected colon cancer from 2002 to 2008 were identified with the population-based Ontario Cancer Registry...
March 27, 2017: Cancer
https://www.readbyqxmd.com/read/28346424/skp2-deficiency-restricts-the-progression-and-stem-cell-features-of-castration-resistant-prostate-cancer-by-destabilizing-twist
#10
D Ruan, J He, C-F Li, H-J Lee, J Liu, H-K Lin, C-H Chan
Castration-resistant prostate cancer (CRPC) remains a major clinical challenge because of the lack of effective targeted therapy for its treatment. The mechanism underlying how CRPC gains resistance toward hormone depletion and other forms of chemotherapy is poorly understood. Research on understanding the factors that drive these processes is desperately needed to generate new therapies to cure the disease. Here, we discovered a fundamental role of S-phase protein kinase 2 (Skp2) in the formation and progression of CRPC...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346394/engineered-resistant-starch-ers-diet-shapes-colon-microbiota-profile-in-parallel-with-the-retardation-of-tumor-growth-in-in-vitro-and-in-vivo-pancreatic-cancer-models
#11
Concetta Panebianco, Kaarel Adamberg, Signe Adamberg, Chiara Saracino, Madis Jaagura, Kaia Kolk, Anna Grazia Di Chio, Paolo Graziano, Raivo Vilu, Valerio Pazienza
BACKGROUND/AIMS: Pancreatic cancer (PC) is ranked as the fourth leading cause of cancer-related deaths worldwide. Despite recent advances in treatment options, a modest impact on the outcome of the disease is observed so far. We have previously demonstrated that short-term fasting cycles have the potential to improve the efficacy of chemotherapy against PC. The aim of this study was to assess the effect of an engineered resistant-starch (ERS) mimicking diet on the growth of cancer cell lines in vitro, on the composition of fecal microbiota, and on tumor growth in an in vivo pancreatic cancer mouse xenograft model...
March 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28345838/ercc1-expression-in-metastatic-triple-negative-breast-cancer-patients-treated-with-platinum-based-chemotherapy
#12
Mohamed Ali EL Baiomy, Wagdi F El Kashef
Background: Possible targeted therapies for metastatic triple negative breast cancer (TNBC) include cytotoxic chemotherapy that causes interstrand breaks (platinum-based drugs). The excision repair cross-complementation 1 (ERCC1) enzyme plays an essential role in the nucleotide excision repair pathway, removing platinum-induced DNA adducts and contributing to cisplatin resistance. Detecting ERCC1 overexpression is important in considering treatment options for metastatic TNBC, including individualized approaches to therapy, and may facilitate improved responses or reduction of unnecessary toxicity...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345833/efficacy-and-toxicity-of-low-dose-versus-conventional-dose-chemotherapy-for-malignant-tumors-a-meta-analysis-of-6-randomized-controlled-trials
#13
Xianhe Xie, Yupeng Wu, Shuimei Luo, Haitao Yang, Lina Li, Sijing Zhou, Ruifen Shen, Heng Lin
Low-dose chemotherapy has emerged as a new strategy for control of cancer. However, there is a controversy as to whether low-dose chemotherapy is an effective way to manage many human malignancies. To shed light on this controversy, we performed a meta-analysis of relative merits between low-dose and conventional-dose chemotherapy in different carcinomas. Studies published before February 29, 2016 were reviewed for the meta-analysis and selected according to defined criteria. The effect levels of low-dose chemotherapy regarding overall survival (OS), progression-free survival (PFS) and severe adverse events (SAEs) (Grade≥3) were calculated as risk ratios (ORs) or adjusted hazard ratios (HRs)...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345737/-meningeal-carcinomatosis-in-breast-cancer-from-diagnosis-to-treatment
#14
REVIEW
C Elm'hadi, Z Es Sbai, M Reda Khmamouche, M Toreis, R Tanz, H Errihani, M Ichou
The appearance of meningeal carcinomatosis in breast cancer is an event that is being reported increasingly more frequently in the literature. It seems to be related with the lengthening of the patients' lives, improved sensitivity to diagnostic imaging and impermeability of the blood-brain barrier to the chemotherapeutic agents. It is an evolutionary form that affirms the metastatic invasion of the subarachnoidal space and is correlated with limited survival. Its diagnosis is difficult, due to the lack of specificity of the clinical signs dominated by headaches, cognitive disorders and possible signs and symptoms of progressive focal lesions...
April 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28345629/wt1-expression-in-breast-cancer-disrupts-the-epithelial-mesenchymal-balance-of-tumour-cells-and-correlates-with-the-metabolic-response-to-docetaxel
#15
Mara Artibani, Andrew H Sims, Joan Slight, Stuart Aitken, Anna Thornburn, Morwenna Muir, Valerie G Brunton, Jorge Del-Pozo, Linda R Morrison, Elad Katz, Nicholas D Hastie, Peter Hohenstein
WT1 is a transcription factor which regulates the epithelial-mesenchymal balance during embryonic development and, if mutated, can lead to the formation of Wilms' tumour, the most common paediatric kidney cancer. Its expression has also been reported in several adult tumour types, including breast cancer, and usually correlates with poor outcome. However, published data is inconsistent and the role of WT1 in this malignancy remains unclear. Here we provide a complete study of WT1 expression across different breast cancer subtypes as well as isoform specific expression analysis...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345594/serum-lactate-dehydrogenase-predicts-prognosis-and-correlates-with-systemic-inflammatory-response-in-patients-with-advanced-pancreatic-cancer-after-gemcitabine-based-chemotherapy
#16
Shu-Lin Yu, Li-Tao Xu, Qi Qi, Ya-Wen Geng, Hao Chen, Zhi-Qiang Meng, Peng Wang, Zhen Chen
Serum lactate dehydrogenase (LDH) concentrations correlate with tumor progression and poor outcome. We evaluated the predictive value of serum LDH level for overall survival (OS) of patients with advanced pancreatic cancer after gemcitabine-based chemotherapy. We retrospectively enrolled 364 patients with locally advanced or metastatic pancreatic adenocarcinoma who were then allocated to training (n = 139) and validation cohorts (n = 225). We evaluated the association between serum LDH levels and OS as well as with markers of systemic inflammation, including neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR) and lymphocyte/monocyte ratio (LMR)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345463/computational-and-mechanistic-studies-on-the-effect-of-galactoxyloglucan-imatinib-nanoconjugate-in-imatinib-resistant-k562-cells
#17
Alphy Rose James, B S Unnikrishnan, R Priya, Manu M Joseph, T K Manojkumar, K Raveendran Pillai, R Shiji, G U Preethi, P Kusumakumary, T T Sreelekha
Imatinib mesylate, a BCR/ABL fusion protein inhibitor, is the first-line treatment against chronic myelogenous leukemia. In spite of its advantageous viewpoints, imatinib still has genuine impediments like undesirable side effects and tumor resistance during chemotherapy. Nanoparticles with sustainable release profile will help in targeted delivery of anticancer drugs while minimizing deleterious side effects and drug resistance. The use of biopolymers like galactoxyloglucan (PST001) for the fabrication of imatinib mesylate nanoparticles could impart its use in overcoming multidrug resistance in chronic myelogenous leukemia patients with minimal side effects...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345313/acute-hyperglycemia-associated-with-anti-cancer-medication
#18
REVIEW
Yul Hwangbo, Eun Kyung Lee
Hyperglycemia during chemotherapy occurs in approximately 10% to 30% of patients. Glucocorticoids and L-asparaginase are well known to cause acute hyperglycemia during chemotherapy. Long-term hyperglycemia is also frequently observed, especially in patients with hematologic malignancies treated with L-asparaginase-based regimens and total body irradiation. Glucocorticoid-induced hyperglycemia often develops because of increased insulin resistance, diminished insulin secretion, and exaggerated hepatic glucose output...
March 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28345307/quality-indicators-for-early-stage-hodgkin-s-lymphoma
#19
Daniel E Roos, Hui C Tee
INTRODUCTION: The purpose of this project was to devise simple, practicable quality indicators (QIs) for the treatment of early stage (I-II) Hodgkin's lymphoma (ESHL), and to test their applicability retrospectively at a single large teaching hospital. METHODS: Of the available treatment guidelines, we chose the two eviQ (evidence and Quality, Cancer Institute New South Wales) documents first published in early 2012 (updated in 2015) for ESHL favourable and ESHL unfavourable (based upon German Hodgkin Study Group practice) as being most relevant to the Australian setting, and selected nine QIs from them viz...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28345026/oncolytic-adenoviruses-armed-with-tumor-necrosis-factor-alpha-and-interleukin-2-enable-successful-adoptive-cell-therapy
#20
Riikka Havunen, Mikko Siurala, Suvi Sorsa, Susanna Grönberg-Vähä-Koskela, Michael Behr, Siri Tähtinen, João Manuel Santos, Pauliina Karell, Juuso Rusanen, Dirk M Nettelbeck, Anja Ehrhardt, Anna Kanerva, Akseli Hemminki
Adoptive cell therapy holds much promise in the treatment of cancer but results in solid tumors have been modest. The notable exception is tumor-infiltrating lymphocyte (TIL) therapy of melanoma, but this approach only works with high-dose preconditioning chemotherapy and systemic interleukin (IL)-2 postconditioning, both of which are associated with toxicities. To improve and broaden the applicability of adoptive cell transfer, we constructed oncolytic adenoviruses coding for human IL-2 (hIL2), tumor necrosis factor alpha (TNF-α), or both...
March 17, 2017: Molecular Therapy Oncolytics
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