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https://www.readbyqxmd.com/read/28732371/the-impacts-of-surgery-of-the-primary-cancer-and-radiotherapy-on-the-survival-of-patients-with-metastatic-rectal-cancer
#1
Duo Tong, Fei Liu, Wenhua Li, Wen Zhang
The role of surgery of the primary cancer and radiation in metastatic colorectal cancer (mCRC) is still controversial currently, and evidence implied that colon cancer (CC) and rectal cancer (RC) should be treated with difference. Hence we focused on metastatic rectal cancer (mRC) solely to compare the cancer cause-specific survival (CSS) of patients receiving varied treatments of the primary cancer: no treatment, surgery only, radiation only, and surgery plus radiation, based on the records of the Surveillance, Epidemiology, and End Results (SEER) database...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28730771/biomarkers-for-the-early-detection-of-relapses-in-metastatic-colorectal-cancers
#2
Gabriela Chereches, Otilia Barbos, Rares Buiga, Ovidiu Balacescu, Dana Iancu, Nicolae Todor, Loredana Balacescu, Nicu Miron, Nona Bejinariu, Tudor-Eliade Ciuleanu
PURPOSE: To assess prognostic/predictive value of carcinoembryonic antigen (CEA), transthyretin (TRT), αenolase (NNE), β2-microglobulin (β2-micro), B-cell activating factor (BAFF) and circulating tumor cells (CTCs) in metastatic colorectal cancer (mCRC) patients treated with chemotherapy with or without bevacizumab. METHODS: 72 histologically confirmed mCRC patients treated at Oncology Institute Cluj were included. Biomarker levels were measured through validated methods...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28708579/the-impact-of-primary-tumor-location-on-efficacy-of-cetuximab-in-metastatic-colorectal-cancer-patients-with-different-kras-status-a-systematic-review-and-meta-analysis
#3
De-Dong Cao, Hui-Lin Xu, Xi-Ming Xu, Wei Ge
OBJECTIVE: To assess the prognostic role of primary tumor location along with Kras status in metastatic colorectal cancer (mCRCs) treated with cetuximab. MATERIALS AND METHODS: Databases of EMBASE, Pubmed, the Cochrane library, China National Knowledge Infrastructure and other databases from inception to July 2016 were searched. Randomized controlled trial (RCT) and/or retrospective studies of influence of primary tumor location on efficacy of cetuximab in patients with mCRC were identified...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28699900/left-sided-primary-tumor-is-a-favorable-prognostic-factor-for-metastatic-colorectal-cancer-patients-receiving-surgery
#4
Xiao-Fen Li, Yi-Nuo Tan, Chen-Han Zhong, Li-Zhen Zhu, Xue-Feng Fang, Jun Li, Ke-Feng Ding, Ying Yuan
OBJECTIVE: The role of surgery in metastatic colorectal cancer (mCRC) remains controversial. This study was performed to assess the impact of surgery on survival in metastatic colorectal cancer. MATERIALS AND METHODS: Information of mCRC patients diagnosed between January 1, 2004, and December 31, 2013, was retrieved from the Surveillance, Epidemiology, and End Results Program database. Patients were classified in three groups: patients undergoing resection of both primary and distant metastatic tumors (group 'PMTR'), patients receiving primary tumor resection alone (group 'PTR') and patients not undergoing any surgery (group 'No resection')...
June 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28695301/optimal-use-of-anti-egfr-monoclonal-antibodies-for-patients-with-advanced-colorectal-cancer-a-meta-analysis
#5
REVIEW
E J van Helden, C W Menke-van der Houven van Oordt, M W Heymans, J C F Ket, R van den Oord, H M W Verheul
This meta-analysis was performed to determine the optimal use of anti-EGFR mAb in the treatment of metastasized colorectal cancer (mCRC). Seventeen randomized clinical trials were included, all evaluating the added value of anti-EGFR mAb to standard treatment line in patients with KRAS wild-type mCRC. Hazard and odds ratios were pooled using a random effect model, weighted according to cohort size. Pooled data of six first- and two second-line studies demonstrated a significantly improved ORR (OR 1.62, CI 1...
July 10, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28693229/micrornas-as-outcome-predictors-in-patients-with-metastatic-colorectal-cancer-treated-with-bevacizumab-in-combination-with-folfox
#6
I Kiss, J Mlčochová, K Součková, P Fabian, A Poprach, J Halamkova, M Svoboda, R Vyzula, O Slaby
Bevacizumab is a humanized anti-vascular endothelial growth factor monoclonal antibody, used in combination with a oxaliplatin-based chemotherapy in the treatment of metastatic colorectal cancer (mCRC). The aim of the present study was to identify microRNA (miRNA)-based predictive biomarkers of therapy response in order to avoid unnecessary and costly therapy to non-responding patients. High-throughput miRNA microarray profiling (Affymetrix miRNA array) was performed on a discovery cohort of patients with mCRC...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28692881/detection-of-kras-exon-2-mutations-in-circulating-tumor-cells-isolated-by-the-iset-system-from-patients-with-ras-wild-type-metastatic-colorectal-cancer
#7
Alexios Matikas, Alexandra Voutsina, Eleni Lagoudaki, Dora Hatzidaki, Maria Trypaki, Giannis Stoupis, Maria Tzardi, Dimitrios Mavroudis, Vasilios Georgoulias
INTRODUCTION: The presence of KRAS mutations in patients with metastatic colorectal cancer (mCRC) predicts poor response to agents targeting the EGFR. Even in patients with RAS wild type (WT) tumors, resistance eventually develops due to multiple mechanisms, including the expansion of previously undetected KRAS mutated clones. In this feasibility study, we aimed to detect KRAS exon 2 mutations in serial samples of circulating tumor cells (CTCs) of RAS WT patients with mCRC captured by the Isolation by Size of Epithelial Tumor cells (ISET) system...
July 7, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28685087/heterogeneity-in-the-colorectal-primary-tumor-and-the-synchronous-resected-liver-metastases-prior-to-and-after-treatment-with-an-anti-egfr-monoclonal-antibody
#8
Daniela Adua, Francesca Di Fabio, Giorgio Ercolani, Michelangelo Fiorentino, Elisa Gruppioni, Annalisa Altimari, Fabiola Lorena Rojas Limpe, Nicola Normanno, Antonio Daniele Pinna, Carmine Pinto
Molecular heterogeneity between primary tumors (PTs) and synchronous resected liver metastasis in colorectal cancer (CRC) has potential relevance in treatment strategies. Next-generation sequencing (NGS) may be able to increase the chances of identifying multiple molecular driver alterations, calling for therapy. The aim of the present study was to evaluate mutations in PT and synchronous resected liver metastases for patients with Kirsten rat sarcoma 2 viral oncogene homolog (KRAS) exon 2 wild-type metastatic (m)CRC who underwent chemotherapy (CT) featuring an anti-epidermal growth factor receptor (EGFR) monoclonal antibody...
July 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28674212/therapeutic-efficacy-of-sym004-a-mixture-of-two-anti-egfr-antibodies-in-human-colorectal-cancer-with-acquired-resistance-to-cetuximab-and-met-activation
#9
Stefania Napolitano, Giulia Martini, Erika Martinelli, Valentina Belli, Alessia Parascandolo, Mikko O Laukkanen, Vincenzo Sforza, Floriana Morgillo, Davide Ciardiello, Fortunato Ciardiello, Teresa Troiani
PURPOSE: Cetuximab and panitumumab have an effective therapeutic response in a subset of RAS Wild-Type (WT) metastatic colorectal cancers (mCRCs). Despite molecular-driven selection, all patients do not respond to epidermal growth factor receptor (EGFR) inhibitors and the onset of secondary resistance limits their clinical benefit. EXPERIMENTAL DESIGN: We tested, in vitro and in vivo, the effect of SYM004, a 1:1 mixture of two recombinant human-mouse chimeric monoclonal antibodies (mAbs) directed against non-overlapping epitopes of the EGFR, on CRC models with acquired resistance to cetuximab...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28669023/pooled-analysis-of-clinical-outcome-of-patients-with-chemorefractory-metastatic-colorectal-cancer-treated-within-phase-i-ii-clinical-studies-based-on-individual-biomarkers-of-susceptibility-a-single-institution-experience
#10
Andrea Sartore-Bianchi, Alessio Amatu, Erica Bonazzina, Stefano Stabile, Laura Giannetta, Giulio Cerea, Ilaria Schiavetto, Katia Bencardino, Chiara Funaioli, Riccardo Ricotta, Tiziana Cipani, Michele Schirru, Valentina Gambi, Laura Palmeri, Giulia Carlo-Stella, Francesca Rusconi, Sara Di Bella, Giovanni Burrafato, Andrea Cassingena, Emanuele Valtorta, Calogero Lauricella, Federica Pazzi, Alessandra Gambaro, Silvia Ghezzi, Giovanna Marrapese, Emiliana Tarenzi, Silvio Veronese, Mauro Truini, Angelo Vanzulli, Salvatore Siena
BACKGROUND: Patients with metastatic colorectal cancer (mCRC) refractory to standard therapies have a poor prognosis. In this setting, recruitment into clinical trials is warranted, and studies driven by selection according to individual tumor molecular characteristics are expected to provide added value. OBJECTIVE: We retrospectively analyzed data from patients with mCRC refractory to or following failure of standard therapies who were enrolled into phase I/II clinical studies at the Niguarda Cancer Center based on the presence of a specific molecular profile expected to represent the target of susceptibility to the experimental drug(s)...
July 1, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28659146/antibody-targeting-of-claudin-1-as-a-potential-colorectal-cancer-therapy
#11
S Cherradi, A Ayrolles-Torro, N Vezzo-Vié, N Gueguinou, V Denis, E Combes, F Boissière, M Busson, L Canterel-Thouennon, C Mollevi, M Pugnière, F Bibeau, M Ychou, P Martineau, C Gongora, M Del Rio
BACKGROUND: Metastatic colorectal cancer (mCRC) is one of the major causes of cancer-related death. Despite the substantial progress in mCRC management, it remains important to identify new therapeutic options and biological markers for personalized medicine. Here, we investigated the expression of claudin-1 (CLDN1), a major tight junction transmembrane protein, in the different colorectal cancer (CRC) molecular subtypes and then assessed the anti-tumor effect of a new anti-CLDN1 monoclonal antibody (mAb)...
June 28, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28656305/cetuximab-promotes-sn38-sensitivity-via-suppression-of-heat-shock-protein-27-in-colorectal-cancer-cells-with-wild-type-ras
#12
Takashi Ishida, Yoshiyuki Ishii, Masashi Tsuruta, Koji Okabayashi, Shingo Akimoto, Kaoru Koishikawa, Hirotoshi Hasegawa, Yuko Kitagawa
Combination treatment with cetuximab and CPT-11 produces beneficial and synergistic effects in wild-type RAS metastatic colorectal cancer (mCRC) patients. However, the mechanism underlying this synergism is not yet understood. We examined whether cetuximab had a synergistic effect with CPT-11 and its active metabolite, SN38, and examined the molecular mechanism of the synergism between cetuximab and SN38 in CRC cells with various mutational status. We hypothesized that cetuximab promotes sensitivity to SN38 via suppression of heat shock protein 27 (HSP27), a protein involved in multidrug resistance through blocking the Janus kinase (JAK)/signal transducer and activator of transcription (STAT) signaling pathway, which is associated with chemosensitivity...
June 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28653203/ras-screening-in-colorectal-cancer-a-comprehensive-analysis-of-the-results-from-the-uk-neqas-colorectal-cancer-external-quality-assurance-schemes-2009-2016
#13
Susan D Richman, Jennifer Fairley, Rachel Butler, Zandra C Deans
Evidence strongly indicates that extended RAS testing should be undertaken in mCRC patients, prior to prescribing anti-EGFR therapies. With more laboratories implementing testing, the requirement for External Quality Assurance schemes increases, thus ensuring high standards of molecular analysis. Data was analysed from 15 United Kingdom National External Quality Assessment Service (UK NEQAS) for Molecular Genetics Colorectal cancer external quality assurance (EQA) schemes, delivered between 2009 and 2016. Laboratories were provided annually with nine colorectal tumour samples for genotyping...
June 26, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28653161/the-post-sir-spheres-surgery-study-p4s-retrospective-analysis-of-safety-following-hepatic-resection-or-transplantation-in-patients-previously-treated-with-selective-internal-radiation-therapy-with-yttrium-90-resin-microspheres
#14
Fernando Pardo, Bruno Sangro, Rheun-Chuan Lee, Derek Manas, Rohan Jeyarajah, Vincent Donckier, Geert Maleux, Antonio D Pinna, Lourens Bester, David L Morris, David Iannitti, Pierce K Chow, Richard Stubbs, Paul J Gow, Gianluca Masi, Kevin T Fisher, Wan Y Lau, Konstantinos Kouladouros, Georgios Katsanos, Giorgio Ercolani, Fernando Rotellar, José I Bilbao, Michael Schoen
BACKGROUND: Reports show that selective internal radiation therapy (SIRT) may downsize inoperable liver tumors to resection or transplantation, or enable a bridge-to-transplant. A small-cohort study found that long-term survival in patients undergoing resection following SIRT appears possible but no robust studies on postsurgical safety outcomes exist. The Post-SIR-Spheres Surgery Study was an international, multicenter, retrospective study to assess safety outcomes of liver resection or transplantation following SIRT with yttrium-90 (Y-90) resin microspheres (SIR-Spheres(®); Sirtex)...
June 26, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28651746/the-management-of-colorectal-liver-metastases
#15
B Maher, E Ryan, M Little, P Boardman, B Stedman
Colorectal cancer remains a leading cause of cancer-related death in Europe. Approximately one-quarter of patients have synchronous hepatic metastases and metachronous liver metastases occur in a further 30%. The scope of surgery in management of colorectal metastases has evolved to include selected patients with extra-hepatic disease for whom R0 resection is considered feasible; however, locoregional treatments are increasingly recognised as viable management options in those patients deemed unsuitable for surgery and there is an expanding body of evidence regarding their ability to achieve local control and increase progression-free survival in the liver...
August 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28649886/epidermal-growth-factor-inhibitors-in-first-line-for-metastatic-colorectal-cancer-with-ras-wild-type-a-perspective-based-on-pharmacological-costs
#16
Jacopo Giuliani, Andrea Bonetti
In light of the relevant expenses of pharmacological interventions it might be interesting to make a balance between the cost of the new drugs administered, such as EGFRIs (cetuximab and panitunumab) and the added value represented by the improvement of the clinical parameters of interest such as progression free survival (PFS). Areas covered: The analysis was conducted to assess the effect of front-line chemotherapy on the PFS, separately, on each arm of the evaluated trials. Only phase III randomized controlled trials (RCTs) were considered...
July 3, 2017: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/28649871/the-potential-role-of-nintedanib-in-treating-colorectal-cancer
#17
Antonio Rossi, Tiziana Pia Latiano, Paola Parente, Cinzia Chiarazzo, Filomena Limosani, Gabriele Di Maggio, Evaristo Maiello
Angiogenesis leads to the growth, progression, and metastases of a variety of solid tumors, including metastatic colorectal cancer (mCRC), involving particularly the family of vascular endothelial growth factors (VEGF) and their receptors (VEGFR). Several anti-angiogenic inhibitors are already registered for mCRC therapy: bevacizumab, aflibercept, ramucirumab, regorafenib. Nintedanib is a new triple angiokinase oral inhibitor that potently blocks the proangiogenic pathways mediated by VEGFR, platelet-derived growth factor receptor (PDGFR), and fibroblast growth factor receptor (FGFR)...
August 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28638455/the-prognostic-and-predictive-value-of-carbohydrate-antigen-19-9-in-metastatic-colorectal-cancer-patients-with-first-line-bevacizumab-containing-chemotherapy
#18
Chang Jiang, Shousheng Liu, Wenzhuo He, Bei Zhang, Liangping Xia
Objective: We had previously demonstrated that the carbohydrate antigen 19-9 (CA19-9), lactate dehydrogenase (LDH), neutrophil lymphocyte ratio (NLR) are prognostic factors for patients with metastatic colorectal cancer (mCRC). In this study, we try to analysis the association of these blood-based biomarkers with bevacizumab efficacy in the first line setting. Methods: A total of 284 eligible consecutive mCRC patients who received first-line chemotherapy with or without bevacizumab were studied from 2007 to 2014 at Sun Yat-Sen University Cancer Center...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28637434/examination-of-multiple-ugt1a-and-dpyd-polymorphisms-has-limited-ability-to-predict-the-toxicity-and-efficacy-of-metastatic-colorectal-cancer-treated-with-irinotecan-based-chemotherapy-a-retrospective-analysis
#19
Dan Liu, Jian Li, Jing Gao, Yanyan Li, Rui Yang, Lin Shen
BACKGROUND: To evaluate a new UGT1A and DPYD polymorphism panel to better predict irinotecan-induced toxicity and the clinical response in Chinese patients with metastatic colorectal cancer (mCRC). METHODS: The genotypes of UGT1A (UGT1A1*6, UGT1A1*27, UGT1A1*28, UGT1A7*2, UGT1A7*3, UGT1A7*4 and UGT1A9*22) and DPYD (DPYD*5, DPYD c.1896 T > C, and DPYD*2A) were examined by direct sequencing in 661 mCRC patients receiving irinotecan-based chemotherapy. The influences of UGT1A and DPYD polymorphisms on severe irinotecan-induced toxicities and clinical outcomes were assessed...
June 20, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28633089/first-line-panitumumab-plus-folfox4-or-folfiri-in-colorectal-cancer-with-multiple-or-unresectable-liver-metastases-a-randomised-phase-ii-trial-planet-ttd
#20
Alfredo Carrato, Albert Abad, Bartomeu Massuti, Cristina Grávalos, Pilar Escudero, Federico Longo-Muñoz, José-Luis Manzano, Auxiliadora Gómez, María José Safont, Javier Gallego, Beatriz García-Paredes, Carles Pericay, Rosario Dueñas, Fernando Rivera, Ferrán Losa, Manuel Valladares-Ayerbes, Encarnación González, Enrique Aranda
BACKGROUND: In first-line wild-type (WT)-Kirsten rat sarcoma viral oncogene homologue (KRAS) metastatic colorectal cancer (mCRC), panitumumab (Pmab) improves outcomes when added to FOLFOX [folinic acid, 5-fluorouracil, and oxaliplatin] or FOLFIRI [folinic acid, 5-fluorouracil, and irinotecan]. However no trial has directly compared these combinations. METHODS: Multicentre, open-label study in untreated patients ≥ 18 years with (WT)-KRAS mCRC and multiple or unresectable liver-limited disease (LLD) randomised to either Pmab-FOLFOX4 or Pmab-FOLFIRI...
August 2017: European Journal of Cancer
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