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Advanced gastric cancer

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https://www.readbyqxmd.com/read/28646603/comparison-of-oral-contrast-enhanced-transabdominal-ultrasound-imaging-with-transverse-contrast-enhanced-computed-tomography-in-preoperative-tumor-staging-of-advanced-gastric-carcinoma
#1
Xuemei He, Jing Sun, Xiaoling Huang, Chun Zeng, Yinggang Ge, Jun Zhang, Jingxian Wu
OBJECTIVES: This study assessed the diagnostic performance of transabdominal oral contrast-enhanced ultrasound (US) imaging for preoperative tumor staging of advanced gastric carcinoma by comparing it with transverse contrast-enhanced computed tomography (CT). METHODS: This retrospective study included 42 patients with advanced gastric cancer who underwent laparoscopy, radical surgery, or palliative surgery because of serious complications and had a body mass index of less than 25 kg/m(2) ...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28646258/selective-survival-advantage-associated-with-primary-tumor-resection-for-metastatic-gastric-cancer-in-a-western-population
#2
René Warschkow, Matthias Baechtold, Kenneth Leung, Bruno M Schmied, Daniel P Nussbaum, Beat Gloor, Dan G Blazer Iii, Mathias Worni
BACKGROUND: The prognosis of metastatic gastric cancer (GC) remains dismal, with a median survival of 10 months. Historically, primary tumor resection was not thought to confer any survival benefit. Although high-level data exist guiding treatment of metastatic GC for patients in the East, no such data exist for Western patients despite inherent ethnic differences in GC biology. METHODS: The 2006-2012 National Cancer Database was queried for adult patients with metastatic gastric adenocarcinoma...
June 23, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28645108/prognostic-factors-influencing-the-survival-of-patients-with-carcinoma-of-the-gastric-cardia-receiving-preoperative-interventional-embolization-chemotherapy
#3
Hai-Li Cao, Shu-Qiang Jin, Kai-Bing Wang, Bin Bai
The purpose of this study was to analyze the characteristics of patients with gastric cardia cancer (GCC) to identify the main factors the influence the survival rate after interventional embolization chemotherapy (IEC). One hundred and fifty-six patients with advanced GCC were treated with IEC via the left gastric artery. Survival time was defined as from the date of diagnosis until death or the end of this study in June 2015. The median survival time was 15 months (range 3 to 29 months). The Cox proportional hazard model found that patients' age (p< 0...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643145/the-prognostic-value-of-volume-based-parameters-using-18-f-fdg-pet-ct-in-gastric-cancer-according-to-her2-status
#4
Ji Soo Park, Nare Lee, Seung Hoon Beom, Hyo Song Kim, Choong-Kun Lee, Sun Young Rha, Hyun Cheol Chung, Mijin Yun, Arthur Cho, Minkyu Jung
BACKGROUND: We aimed to find the clinical value of metastatic tumor burden evaluated with F18-FDG PET/CT in gastric cancer patients, considering the human epidermal growth factor receptor 2 (HER2) status. METHODS: We retrospectively reviewed 124 patients with locally advanced or metastatic gastric cancer at Yonsei Cancer Center between January 2006 and December 2014 who had undergone baseline FDG PET/CT before first-line chemotherapy. We measured the maximum standardized uptake value from the primary tumor (SUVmax) and whole-body (WB) PET/CT parameters, including WB SUVmax, WB SUVmean, WB metabolic tumor volume (WB MTV), and WB total lesion glycolysis (WB TLG), in all metabolically active metastatic lesions (SUV threshold ≥2...
June 22, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28641313/evaluation-of-serum-microrna-biomarkers-for-gastric-cancer-based-on-blood-and-tissue-pools-profiling-the-importance-of-mir-21-and-mir-331
#5
Marek Sierzega, Marcin Kaczor, Piotr Kolodziejczyk, Jan Kulig, Marek Sanak, Piotr Richter
BACKGROUND: High stability and disease-specific disarrangements suggest that microRNA molecules (miRNAs) present in body fluids are ideally suited for diagnostic applications, including gastric cancer (GC). However, the actual source of circulating miRNA biomarkers in GC has not been adequately evaluated, particularly in the Western populations that have some distinct characteristics compared with Asian patients. METHODS: Twenty treatment-naive patients with GC along with 20 cancer-free controls were recruited...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28640099/prognostic-impact-of-ki-67-in-patients-with-gastric-cancer-the-importance-of-depth-of-invasion-and-histologic-differentiation
#6
Gyung Hyuck Ko, Se-Il Go, Won Sup Lee, Jeong-Hee Lee, Sang-Ho Jeong, Young-Joon Lee, Soon Chan Hong, Woo Song Ha
Ki-67 protein is a cellular marker for proliferation. The role of Ki-67 as a prognostic biomarker has not been established in gastric cancer. The present study was performed to investigate the significance of Ki-67 expression as a biomarker in early gastric cancer (EGC).With tissue microarray for 320 patients with gastric cancer, we performed immunohistochemical staining for Ki-67. Its clinical significance was analyzed with adjustment via the propensity score-matching. For validation, we performed bootstrap resampling...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639908/circular-rnas-play-an-important-role-in-late-stage-gastric-cancer-circular-rna-expression-profiles-and-bioinformatics-analyses
#7
Yantian Fang, Minzhe Ma, Jiangli Wang, Xiaowen Liu, Yanong Wang
Gastric cancer is one of the most common tumors of the digestive system. Here, analysis of the expression profiles of circular RNAs in advanced gastric adenocarcinoma and adjacent normal mucosa tissues revealed differential expression of 306 circular RNAs, among which 273 were predicted to exert regulatory effects on target microRNAs. The downstream pathway networks of circular RNA-microRNA were mapped and the node genes were identified. In particular, we found that the expression of hsa_circ_0058246 was elevated in tumor specimens of patients with poor clinical outcomes...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28639835/is-it-beneficial-to-perform-surgical-resection-in-elderly-patients-more-than-80-years-old-with-advanced-gastric-cancer
#8
Jin Woo Choo, Yeonmi Ju, Hyun Lim, Sung Hee Youn, Jae Seung Soh, Ji Won Park, Ho Suk Kang, Sung Eun Kim, Sung Hoon Moon, Jong Hyeok Kim, Choong Kee Park, Hong Il Ha, Min-Jeong Kim, Kab-Choong Kim, Ji Woong Cho
OBJECTIVES: With the aging population, the number of elderly patients diagnosed with gastric cancer is increasing. However, determining treatment strategies for elderly patients with gastric cancer is controversial. The aim of this study is to evaluate the usefulness of surgical treatment on elderly patients aged ≥80 years with advanced gastric cancer. METHODS: A total of 147 elderly patients who were diagnosed with advanced gastric cancer from August 2001 to December 2015 were retrospectively analyzed...
June 22, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28636538/phase-i-dose-escalation-study-of-the-c-met-tyrosine-kinase-inhibitor-sar125844-in-asian-patients-with-advanced-solid-tumors-including-patients-with-met-amplified-gastric-cancer
#9
Kohei Shitara, Tae Min Kim, Tomoya Yokota, Masahiro Goto, Taroh Satoh, Jin-Hee Ahn, Hyo Song Kim, Sylvie Assadourian, Corinne Gomez, Marzia Harnois, Satoshi Hamauchi, Toshihiro Kudo, Toshihido Doi, Yung-Jue Bang
SAR125844 is a potent and selective inhibitor of the c-Met kinase receptor. This was an open-label, phase I, multicenter, dose-escalation, and dose-expansion trial of SAR125844 in Asian patients with solid tumors, a subgroup of whom had gastric cancer and MET amplification (NCT01657214). SAR125844 was administered by intravenous infusion (260-570 mg/m2) on days 1, 8, 15, and 22 of each 28-day cycle. Objectives were to determine the maximum tolerated dose (MTD) and to evaluate SAR125844 safety and pharmacokinetic profile...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635950/genetically-predicted-high-body-mass-index-was-associated-with-increased-gastric-cancer-risk
#10
Yingying Mao, Caiwang Yan, Qun Lu, Meng Zhu, Fei Yu, Cheng Wang, Juncheng Dai, Hongxia Ma, Zhibin Hu, Hongbing Shen, Guangfu Jin
Epidemiological studies have linked body mass index (BMI) with risk of gastrointestinal cancers. However, for gastric cancer, the relationship is more controversial. In particular, it is unclear whether the observed association is due to confounding or bias inherent in conventional observational studies. To investigate whether BMI is causally associated with gastric cancer risk, we applied Mendelian randomization using individual-level data from 2631 gastric cancer cases and 4373 cancer-free controls. We derived a weighted genetic risk score (wGRS) using 37 BMI-associated genetic variants as an instrumental variable...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28634748/exposure-response-relationship-of-ramucirumab-in-east-asian-patients-from-rainbow-a-randomized-clinical-trial-in-second-line-treatment-of-gastric-cancer
#11
Tae You Kim, Chia-Jui Yen, Salah-Eddin Al-Batran, David Ferry, Ling Gao, Yanzhi Hsu, Rebecca Cheng, Mauro Orlando, Atsushi Ohtsu
BACKGROUND: Ramucirumab is a recombinant human IgG1 neutralizing monoclonal antibody specific for vascular endothelial growth factor receptor-2. Second-line ramucirumab, in conjunction with paclitaxel (ramucirumab 8 mg/kg or placebo in combination with 80 mg/m(2) paclitaxel), has been shown to be effective and safe in patients with advanced gastric or gastroesophageal junction (GEJ) adenocarcinoma in RAINBOW, a global phase III randomized clinical trial. We conducted an exploratory exposure-response analysis of efficacy and safety of ramucirumab in East Asian patients from the RAINBOW trial...
June 20, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28634671/venous-thromboembolism-is-an-independent-predictor-of-mortality-among-patients-with-gastric-cancer
#12
Harry E Fuentes, D M Oramas, L H Paz, Y Wang, X A Andrade, A J Tafur
BACKGROUND: Venous thromboembolism (VTE) is an independent predictor of death among patients with cancer. Patients with gastric cancer (GC) are at higher risk for VTE when compared to other solid tumors, and if one considers its prevalence, GC may be responsible for one of the highest incidences of cancer-associated thrombosis. The impact of VTE on mortality is not well defined among patients with GC. AIM: The aim of this study is to measure the impact of VTE as independent predictor of GC mortality...
June 21, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28634044/mir-218-suppresses-gastric-cancer-cell-cycle-progression-through-the-cdk6-cyclin-d1-e2f1-axis-in-a-feedback-loop
#13
Min Deng, Chao Zeng, Xihong Lu, Xiusheng He, Ruixin Zhang, Qinwei Qiu, Guopei Zheng, Xiaoting Jia, Hao Liu, Zhimin He
Studies in several cancers have suggested that miR-218 has anti-tumor activities, but its function is yet to be elucidated. In this study, we investigated the regulation and function of miR-218 (miR-218-5p) in the cell cycle progression of gastric cancer (GC). We found that miR-218 could suppress proliferation of gastric cancer cells, induce cell cycle arrest at the G1 phase and inhibit tumor growth and metastasis in vivo. We also demonstrated that miR-218 specifically targeted the 3'-UTR regions of CDK6 and cyclin D1 and inhibited the expression of these molecules, which in turn repressesed the pRb/E2F1 signaling pathway...
June 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28632723/mir-646-inhibited-cell-proliferation-and-emt-induced-metastasis-by-targeting-foxk1-in-gastric-cancer
#14
P Zhang, W M Tang, H Zhang, Y Q Li, Y Peng, J Wang, G N Liu, X T Huang, J J Zhao, G Li, A M Li, Y Bai, Y Chen, Y X Ren, G X Li, Y D Wang, S D Liu, J D Wang
BACKGROUND: MiR-646 has been reported to be aberrantly expressed in human cancers. However, the underlying molecular mechanisms of action of miR-646 in gastric cancer (GC) have not yet been investigated. METHODS: In vitro function of miR-646 in GC was evaluated using EdU assay, plate colony formation assay, and matrigel invasion assay. Real-time PCR or western blotting was performed to detect miR-646 and FOXK1 expressions. In vivo tumour growth and metastasis were conducted in nude mice...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28631728/acg-and-cag-clinical-guideline-management-of-dyspepsia
#15
Paul M Moayyedi, Brian E Lacy, Christopher N Andrews, Robert A Enns, Colin W Howden, Nimish Vakil
We have updated both the American College of Gastroenterology (ACG) and the Canadian Association of Gastroenterology (CAG) guidelines on dyspepsia in a joint ACG/CAG dyspepsia guideline. We suggest that patients ≥60 years of age presenting with dyspepsia are investigated with upper gastrointestinal endoscopy to exclude organic pathology. This is a conditional recommendation and patients at higher risk of malignancy (such as spending their childhood in a high risk gastric cancer country or having a positive family history) could be offered an endoscopy at a younger age...
June 20, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28629870/tumor-stroma-ratio-is-an-independent-predictor-for-overall-survival-and-disease-free-survival-in-gastric-cancer-patients
#16
Paolo Aurello, Giammauro Berardi, Diego Giulitti, Antonio Palumbo, Simone Maria Tierno, Giuseppe Nigri, Francesco D'Angelo, Emanuela Pilozzi, Giovanni Ramacciato
BACKGROUND: Despite different prognostic factors have been already studied, patients undergoing potentially curative resection for gastric cancer, still have a poor outcome. There is therefore the need to identify novel prognostic factors. Recently, Tumor-Stroma Ratio (TSR) was proven to be associated with prognosis in different types of cancers. Aim of this study was to evaluate the prognostic value of TSR in gastric cancer patients. METHODS: 106 patients underwent gastrectomy between January 2004 and December 2015...
June 16, 2017: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/28628714/advanced-real-time-multi-display-educational-system-armes-an-innovative-real-time-audiovisual-mentoring-tool-for-complex-robotic-surgery
#17
Joong Ho Lee, Eiji Tanaka, Yanghee Woo, Güner Ali, Taeil Son, Hyoung-Il Kim, Woo Jin Hyung
INTRODUCTION: The recent scientific and technologic advances have profoundly affected the training of surgeons worldwide. We describe a novel intraoperative real-time training module, the Advanced Robotic Multi-display Educational System (ARMES). METHODS: We created a real-time training module, which can provide a standardized step by step guidance to robotic distal subtotal gastrectomy with D2 lymphadenectomy procedures, ARMES. The short video clips of 20 key steps in the standardized procedure for robotic gastrectomy were created and integrated with TilePro™ software to delivery on da Vinci Surgical Systems (Intuitive Surgical, Sunnyvale, CA)...
June 19, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28622691/prospective-randomized-phase-ii-study-of-folfiri-versus-folfox7-in-advanced-gastric-adenocarcinoma-a-chinese-western-cooperative-gastrointestinal-oncology-group-study
#18
Qiu Li, Feng Wen, Chengya Zhou, Meng Qiu, Jiyan Liu, Jing Chen, Cheng Yi, Zhiping Li, Deyun Luo, Feng Xu, Xiaohong Cai, Feng Bi
Until now, no standard chemotherapy has been widely accepted for advanced gastric cancer (GC). The current research aimed to compare folinic acid, fluorouracil with irinotecan (mFOLFIRI) or with oxaliplatin (mFOLFOX7) as first-line treatments in patients with locally advanced GC in an open, randomized, phase II study. Previously untreated metastatic or recurrent GC patients with measurable disease received mFOLFIRI (arm A) or mFOLFOX7 (arm B) every 2 weeks. The defined second-line treatment was mFOLFOX7 for arm A and mFOLFIRI for arm B...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28621241/hedgehog-signaling-pathway-as-a-potential-target-in-the-treatment-of-advanced-gastric-cancer
#19
Dae-Hee Lee, Suk-Young Lee, Sang Cheul Oh
The sonic hedgehog signaling pathway is critical for cell proliferation, cell differentiation, and organ development during embryogenesis. Aberrant activation of the sonic hedgehog pathway has been associated with a variety of human cancers. Currently, there is no target molecular drug that clinically affects sonic hedgehog activation in patients with gastric cancer. In this review, we will focus on the current clinical treatment options for advanced gastric cancer and discuss the sonic hedgehog signaling pathway...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28618420/heterogeneity-in-gastric-cancer-from-pure-morphology-to-molecular-classifications
#20
Irene Gullo, Fátima Carneiro, Carla Oliveira, Gabriela M Almeida
Gastric cancer (GC) represents a global health concern. Despite advances in prevention, diagnosis, and therapy, GC is still the third leading cause of cancer mortality worldwide, with more than 720,000 estimated deaths in 2012. Overall survival for advanced disease is about 1 year, a dismal prognosis that is partly due to the high levels of biological heterogeneity found in GC. Indeed, GC is a highly heterogeneous disease from morphological and molecular standpoints. The numerous histological and molecular classifications currently available reflect such heterogeneity...
June 16, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
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