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colorectal cancer chemotherapy

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https://www.readbyqxmd.com/read/28332353/port-site-metastases-and-chimney-effect-of-b-ultrasound-guided-and-laparoscopically-assisted-hyperthermic-intraperitoneal-perfusion-chemotherapy
#1
Ming Chen Ba, Hui Long, Xiang Liang Zhang, Yuan Feng Gong, Zhao Fei Yan, Shuai Wang, Yun Qiang Tang, Shu Zhong Cui
PURPOSE: CO₂ leakage along the trocar (chimney effect) has been proposed to be an important factor underlying port-site metastasis after laparoscopic surgery. This study aimed to test this hypothesis by comparing the incidence of port-site metastasis between B-ultrasound-guided and laparoscopically-assisted hyperthermic intraperitoneal perfusion chemotherapy (HIPPC). MATERIALS AND METHODS: Sixty-two patients with malignant ascites induced by gastrointestinal or ovarian cancer were divided into two groups to receive either B-ultrasound-guided or laparoscopically-assisted HIPPC...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28330549/-hyperthermic-intraperitoneal-chemotherapy-at-the-primary-gastrointestinal-cancer-operation
#2
Thea Helene Degett, Hans-Christian Pommergaard, Ismail Gögenur
Up to 20% of the patients who undergo radical surgery for colorectal cancer experience recurrence. Hyperthermic intraperitoneal chemotherapy (HIPEC) and cytoreductive surgery have shown to be effective treatment of peritoneal carcinomatosis. HIPEC administered at the primary operation in high-risk patients may also be effective in preventing peritoneal carcinomatosis and improve survival in patients with advanced gastrointestinal cancer.
March 20, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28328969/oral-tegafur-uracil-as-metronomic-therapy-following-intravenous-folfox-for-stage-iii-colon-cancer
#3
Wen-Yen Huang, Ching-Liang Ho, Chia-Cheng Lee, Cheng-Wen Hsiao, Chang-Chieh Wu, Shu-Wen Jao, Jen-Fu Yang, Cheng-Hsiang Lo, Jia-Hong Chen
The purpose of this study was to estimate the impact of metronomic therapy with oral tegafur-uracil (UFUR) following an intravenous FOLFOX regimen as surgical adjuvant chemotherapy on the overall survival (OS) and disease-free survival (DFS) of stage III colon cancer patients. From the retrospective database of patients who underwent a surgical resection for colorectal cancer at the Tri-Service General Hospital from October 2008 through December 2014, stage III colon carcinomas treated with radical R0 resection were reviewed...
2017: PloS One
https://www.readbyqxmd.com/read/28328955/treatment-monitoring-in-metastatic-colorectal-cancer-patients-by-quantification-and-kras-genotyping-of-circulating-cell-free-dna
#4
Andreas W Berger, Daniel Schwerdel, Hanna Welz, Ralf Marienfeld, Stefan A Schmidt, Alexander Kleger, Thomas J Ettrich, Thomas Seufferlein
Treatment of metastatic colorectal cancer (CRC) has continuously improved over the last decade. However, disease monitoring remains underdeveloped and mostly dependent on imaging e.g. RECIST 1.1 criteria. The genetic landscape of individual cancers and subsequently occurring treatment-induced evolution remain neglected in current surveillance strategies. Novel biomarkers demand minimally invasive and repetitive tracking of the cancer mutagenome for therapy stratification and to make prognostic predictions. Carcinoembryonic antigen (CEA), a routinely used tumor marker for CRC, does not meet these goals and thus prevents its use as a reliable monitoring tool...
2017: PloS One
https://www.readbyqxmd.com/read/28320583/rapid-analysis-of-outcomes-using-the-systemic-anti-cancer-therapy-sact-dataset
#5
R Pathak, M Wallington, C Saunders, M Braun, S Mullamitha, G Wilson, J Hasan, D Dodwell, M Bomb, M Saunders
We audited the accuracy of the Systemic Anti-Cancer Therapy dataset as a resource for rapid analysis of outcomes for patients, in this example, receiving Cancer Drug Fund funded monoclonal antibodies to treat metastatic colorectal cancer. We concluded that the Systemic Anti-Cancer Therapy dataset is a potentially valuable resource for rapidly determining survival outcome for patients treated with chemotherapy.
March 17, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28316601/the-interplay-between-radioresistant-caco-2-cells-and-the-immune-system-increases-epithelial-layer-permeability-and-alters-signaling-protein-spectrum
#6
Jacopo Morini, Gabriele Babini, Sofia Barbieri, Giorgio Baiocco, Andrea Ottolenghi
Colorectal cancer is one of the most frequent type of cancer, with a higher incidence in the developed countries. Colorectal cancer is usually managed with both surgeries, chemotherapy and radiotherapy. Radiotherapy has the well-known advantage of targeting the tumor, minimizing normal tissue exposure. Nevertheless, during radiation treatment, exposure of healthy tissues is of great concern, in particular because of the effects on the intestinal barrier functions and on cells belonging to the immune system...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28316326/overexpression-of-rab1b-and-mmp9-predicts-poor-survival-and-good-response-to-chemotherapy-in-patients-with-colorectal-cancer
#7
Xian-Zi Yang, Shu-Zhong Cui, Li-Si Zeng, Tian-Tian Cheng, Xiao-Xing Li, Jun Chi, Ren Wang, X F Steven Zheng, Hui-Yun Wang
Rab1B has recently been reported to be involved in human cancer, but the role of Rab1B in colorectal cancer (CRC) remains unclear. In this study, we investigated the expression of Rab1B and MMP9 in CRC by qRT-PCR, immunoblot and immunohistochemistry and analyzed the clinical significance. The results show that Rab1B and MMP9 are increased at both mRNA and protein levels in CRC cell lines and tissues, as measured by qRT-PCR and immunoblotting. The high protein expression of Rab1B and MMP9 in 179 CRC tissues is associated with deep tumor invasion, lymph-node metastasis and advanced TNM stage...
March 18, 2017: Aging
https://www.readbyqxmd.com/read/28315543/metastatic-colorectal-cancer-management-with-trifluridine-tipiracil%C3%A2
#8
Teresa White, Heidi Larson, Alexandra Minnella, Howard S Hochster
BACKGROUND: Treatment-related adverse events (AEs) are common in patients with metastatic colorectal cancer (mCRC) receiving chemotherapy. These AEs may affect patient adherence, particularly with completely oral regimens, such as trifluridine/tipiracil (TAS-102, Lonsurf®), an antimetabolite agent for patients with mCRC refractory or intolerant to standard therapies.
. OBJECTIVES: This article reviews strategies for promoting adherence and educating patients and caregivers about oral therapy with trifluridine/tipiracil...
April 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28314481/benzophenones-and-xanthone-derivatives-from-garcinia-schomburgkiana-induced-p-glycoprotein-overexpression-in-human-colorectal-caco-2-cells-via-oxidative-stress-mediated-mechanisms
#9
Cherdsak Boonyong, Chutichot Pattamadilok, Rutt Suttisri, Suree Jianmongkol
BACKGROUND: Up-regulation of P-gp is an adaptive survival mechanism of cancer cells from chemotherapy. Three new phytochemicals including two benzophenones, guttiferone K (GK) and oblongifolin C (OC), and a xanthone, isojacaruebin (ISO), are potential anti-cancer agents. However, the capability of these compounds to increase multidrug-resistance (MDR) through P-gp up-regulation in cancer cells has not been reported. PURPOSE: This study was to investigate the effects of GK, OC and ISO on P-gp up-regulation in colorectal adenocarcinoma cells (Caco-2 cells)...
April 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28314295/development-and-applicability-of-integrative-tumor-response-assays-for-metastatic-colorectal-cancer
#10
Yong Sik Yoon, Chan Wook Kim, Seon Ae Roh, Dong Hyung Cho, Tae Won Kim, Moon Bo Kim, Jin Cheon Kim
AIM: The present study investigated how well the results of integrative tumor-response assay (ITRA) compared to those of clinical response to chemotherapy in patients with metastatic colorectal cancer (CRC). PATIENTS AND METHODS: A total of 129 patients with metastatic CRC were prospectively enrolled. ITRA consisted of two sequential histoculture drug-response assays (HDRAs). First-stage HDRAs were performed using 5-fluorouracil with leucovorin and oxaliplatin (FX), or with irinotecan (FR)...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28314294/mismatch-repair-protein-deficiency-is-a-risk-factor-for-aberrant-expression-of-hla-class-i-molecules-a-putative-adaptive-immune-escape-phenomenon
#11
Terufumi Kubo, Yoshihiko Hirohashi, Kazuhiko Matsuo, Tomoko Sonoda, Hiroki Sakamoto, Kiyoshi Furumura, Tomohide Tsukahara, Takayuki Kanaseki, Munehide Nakatsugawa, Hiroshi Hirano, Tomohisa Furuhata, Ichiro Takemasa, Tadashi Hasegawa, Toshihiko Torigoe
Accumulating evidence indicates that immune checkpoint inhibition-mediated cancer immunotherapies greatly improve the prognosis of certain types of cancer. This approach is now becoming a standard therapy, joining surgery, radiotherapy, and chemotherapy. Because the costs of antibody drugs are now a socioeconomic burden in many countries, an urgent need in cancer immunotherapy is the identification of relevant biomarkers that can predict therapy efficacy. Recent studies have reported that colorectal adenocarcinoma with hereditary or sporadic deficiency in mismatch repair (MMR) proteins has high antigenicity and that detection of these proteins could be a promising way to estimate clinical response...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28304120/comparative-effectiveness-of-chemotherapy-versus-resection-of-the-primary-tumor-as-the-initial-treatment-in-older-patients-with-stage-iv-colorectal-cancer
#12
Hemalkumar B Mehta, Gabriela M Vargas, Deepak Adhikari, Francesca Dimou, Taylor S Riall
AIM: The objective was to determine trends in the use of chemotherapy as the initial treatment and evaluate the comparative effectiveness of initial chemotherapy versus resection of the primary tumour on survival (intention-to-treat analysis) in stage IV colorectal cancer (CRC). METHODS: This cohort study used Surveillance Epidemiology, and End Results (SEER)-Medicare (2000-2011) data, including patients ≥66 years presenting with stage IV CRC. Cox proportional hazards models and instrumental variable analysis were used to determine the association of chemotherapy versus resection of the primary tumour as the initial treatment with 2-year survival...
March 17, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28303751/vasoactive-peptides-associate-with-treatment-outcome-ofbevacizumab-containing-therapy-in-metastatic-colorectal-cancer
#13
Helga Hagman, Pär-Ola Bendahl, Olle Melander, Jan Sundberg, Anders Johnsson, Mattias Belting
BACKGROUND: Hypertension is a common early adverse event of anti-angiogenic treatment of cancer and may associate with treatment response. However, blood pressure measurement as a surrogate response biomarker has methodological limitations, and predictive biomarkers of angiogenesis inhibitors are lacking. In disease associated with hypertension, vasoactive peptides have been linked to cardiovascular pressure load. Here, we have explored potential associations between circulating levels of vasoactive peptides and tumor response during bevacizumab-containing treatment of colorectal cancer...
March 17, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28302530/regorafenib-overcomes-chemotherapeutic-multidrug-resistance-mediated-by-abcb1-transporter-in-colorectal-cancer-in-vitro-and-in-vivo-study
#14
Yi-Jun Wang, Yun-Kai Zhang, Guan-Nan Zhang, Sweilem B Al Rihani, Meng-Ning Wei, Pranav Gupta, Xiao-Yu Zhang, Suneet Shukla, Suresh V Ambudkar, Amal Kaddoumi, Zhi Shi, Zhe-Sheng Chen
Chemotherapeutic multidrug resistance (MDR) is a significant challenge to overcome in clinic practice. Several mechanisms contribute to MDR, one of which is the augmented drug efflux induced by the upregulation of ABCB1 in cancer cells. Regorafenib, a multikinase inhibitor targeting the RAS/RAF/MEK/ERK pathway, was approved by the FDA to treat metastatic colorectal cancer and gastrointestinal stromal tumors. We investigated whether and how regorafenib overcame MDR mediated by ABCB1. The results showed that regorafenib reversed the ABCB1-mediated MDR and increased the accumulation of [(3)H]-paclitaxel in ABCB1-overexpressing cells by suppressing efflux activity of ABCB1, but not altering expression level and localization of ABCB1...
March 13, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28302487/tug1-mediates-methotrexate-resistance-in-colorectal-cancer-via-mir-186-cpeb2-axis
#15
Changfeng Li, Yongjian Gao, Yongchao Li, Dayong Ding
Colorectal cancer (CRC) is a common malignancy, most of which remain unresponsive to chemotherapy. Methotrexate (MTX) is one of the earliest cytotoxic drugs and serves as an anti-metabolite and anti-folate chemotherapy for various types of cancer. However, MTX resistance prevents its clinical application in cancer therapy. Thereby, overcoming the drug resistance is an alternative strategy to maximize the efficacy of MTX therapies in clinics. Long non-coding RNAs (lncRNAs) have gained widespread attention in recent years...
March 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28302003/liver-transplant-for-nonhepatocellular-carcinoma-malignancy
#16
Nihan Haberal Reyhan
Liver transplant is now an acceptable and effective treatment for specific nonhepatocellular malignancies. Worldwide, hilar cholangiocarcinoma accounts for 3% of all primary gastrointestinal malignancies and for 10% of primary hepatobiliary malignancies. For patients who have early-stage, unresectable cholangiocarcinoma, liver transplant preceded by neoadjuvant radiotherapy can result in tumor-free margins, accomplish a radical resection, and treat the underlying primary sclerosing cholangitis when present...
March 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28295012/correlations-between-tbl1xr1-and-recurrence-of-colorectal-cancer
#17
Hongda Liu, Yunfei Xu, Qun Zhang, Kangshuai Li, Dawei Wang, Shuo Li, Shanglei Ning, Hui Yang, Weichen Shi, Zhaochen Liu, Yuxin Chen
More than 25% localized CRC patients died from post-operative metastasis, and risk of metastasis varies among individuals due to the high heterogeneity of CRC. Therefore, figuring out potential biomarkers for disease recurrence would be invaluable to improve the follow-up efficiency and clinical treatment. Transducin (β)-like 1 X-linked receptor 1 (TBL1XR1) is a core component of the nuclear receptor corepressor complex, which functions as a repressive coregulatory factor for multiple transcription factors...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28293308/mismatch-repair-proteins-and-microsatellite-instability-in-colorectal-carcinoma-mlh1-msh2-msh6-and-pms2-histopathological-and-immunohistochemical-study
#18
Nour El Hoda S Ismael, Samar A El Sheikh, Suzan M Talaat, Eman M Salem
BACKGROUND: Colorectal cancer (CRC) is one of the most common cancers worldwide. Microsatellite instability (MSI) is detected in about 15% of all colorectal cancers. CRC with MSI has particular characteristics such as improved survival rates and better prognosis. They also have a distinct sensitivity to the action of chemotherapy. AIM: The aim of the study was to detect microsatellite instability in a cohort of colorectal cancer Egyptian patients using the immunohistochemical expression of mismatch repair proteins (MLH1, MSH2, MSH6 and PMS2)...
March 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28293087/hepatic-artery-infusion-with-raltitrexed-or-5-fluorouracil-for-colorectal-cancer-liver-metastasis
#19
Jian-Hai Guo, Hang-Yu Zhang, Song Gao, Peng-Jun Zhang, Xiao-Ting Li, Hui Chen, Xiao-Dong Wang, Xu Zhu
AIM: To evaluate the efficiency and safety of hepatic artery infusion chemotherapy (HAIC) using raltitrexed or 5-fluorouracil for colorectal cancer (CRC) liver metastasis (CRCLM). METHODS: A retrospective analysis of patients with unresectable CRCLM who failed systemic chemotherapy and were subsequently treated with HAIC at our institute from May 2013 to April 2015 was performed. A total of 24 patients were treated with 5-fluorouracil, and 18 patients were treated with raltitrexed...
February 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28292509/impact-of-serum-apolipoprotein-a-i-on-prognosis-and-bevacizumab-efficacy-in-patients-with-metastatic-colorectal-cancer-a-propensity-score-matched-analysis
#20
Qi Quan, Yuanyuan Huang, Qi Chen, Huijuan Qiu, Qiaozhen Hu, Yuming Rong, Tingwei Li, Liangping Xia, Bei Zhang
PURPOSE: We aimed to investigate the role of apolipoprotein A-I (ApoA-I) as a predictor of prognosis and treatment efficacy of bevacizumab in patients with metastatic colorectal cancer (mCRC) treated with first-line chemotherapy with or without bevacizumab. METHODS: We conducted a retrospective study on consecutive patients who were diagnosed with mCRC at Sun Yat-sen University Cancer Center. According to their pretreatment ApoA-I level, patients were divided into low- and high-ApoA-I groups...
April 2017: Translational Oncology
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