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https://www.readbyqxmd.com/read/27913881/phase-ii-trial-of-s-1-plus-leucovorin-in-patients-with-advanced-gastric-cancer-and-clinical-prediction-by-s-1-pharmacogenetic-pathway
#1
Ming-Ming He, Dong-Sheng Zhang, Feng Wang, Zi-Xian Wang, Shu-Qiang Yuan, Zhi-Qiang Wang, Hui-Yan Luo, Chao Ren, Miao-Zhen Qiu, Ying Jin, De-Shen Wang, Dong-Liang Chen, Zhao-Lei Zeng, Yu-Hong Li, Yang-Yang He, Yuan-Tao Hao, Pi Guo, Feng-Hua Wang, Yi-Xin Zeng, Rui-Hua Xu
BACKGROUND: The first one-arm phase II trial aimed to evaluate and predict efficacy and safety of S-1 plus oral leucovorin (S-1/LV) as first-line chemotherapy for patients with advanced gastric cancer (AGC), using S-1 pharmacogenetic pathway approach. PATIENTS AND METHODS: A total of 39 patients orally took S-1 at conventional dose and LV simultaneously at a dose of 25 mg twice daily for a week, within a 2-week cycle. The primary endpoint was overall response rate (ORR), while the secondary endpoints were progression-free survival (PFS), time to failure (TTF), overall survival (OS), disease control rate (DCR), and adverse events (AEs)...
December 2, 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27900486/staging-laparoscopy-for-advanced-gastric-cancer-significance-of-preoperative-clinicopathological-factors
#2
Hisahiro Hosogi, Hisashi Shinohara, Shigeru Tsunoda, Shigeo Hisamori, Hitoshi Sumida, Koya Hida, Kazutaka Obama, Hiroshi Okabe, Yoshiharu Sakai
PURPOSE: Although the use of staging laparoscopy (SL) for detecting peritoneal metastasis (P) and determining peritoneal lavage cytology (CY) is widespread in advanced gastric cancer, an indication for SL based on preoperative clinicopathological factors is controversial. METHODS: From May 2006 to September 2015, 120 patients with advanced gastric cancer with primary tumors ≥5 cm and/or with bulky regional lymph nodes (bulky N) underwent SL for assessment of P/CY status...
November 29, 2016: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/27900025/pbx3-promotes-gastric-cancer-invasion-and-metastasis-by-inducing-epithelial-mesenchymal-transition
#3
Shuanhu Wang, Chenglong Li, Wenbin Wang, Chungen Xing
The overexpression of pre-leukemia transcription factor 3 (PBX3) in tumors plays an important role in invasion, metastasis and proliferation in a variety of human cancer types. Tumor metastasis and angiogenesis significantly contribute to the progression of cancer and create challenges for cancer therapy. In the present study, reverse transcription-polymerase chain reaction demonstrated that PBX3 was upregulated in gastric cancer (GC) tissues and Transwell assay revealed that the overexpression of PBX3 promoted GC invasion and metastasis in vitro...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895076/mesothelial-cells-create-a-novel-tissue-niche-that-facilitates-gastric-cancer-invasion
#4
Masamitsu Tanaka, Sei Kuriyama, Go Itoh, Daichi Maeda, Akiteru Goto, Yutaro Tamiya, Kazuyoshi Yanagihara, Masakazu Yashiro, Namiko Aiba
Peritoneal mesothelial cells (PMC) cover organ surfaces in the abdominal cavity. In this study, lineage tracing revealed that PMC guide cancer cell invasion in the gastric wall and in peritoneal metastatic lesions. Serosal PMC covering the stomach surface entered the gastric wall to create a novel niche that favored gastric cancer cell invasion. PMC infiltration was induced by incorporation of cancer cell-derived, Wnt3a-containing extracellular vesicles (EV). Infiltrated PMC in turn promoted subserosal invasion of cancer cells...
November 28, 2016: Cancer Research
https://www.readbyqxmd.com/read/27893659/serum-ca125-concentration-as-a-predictor-of-peritoneal-dissemination-of-colorectal-cancer-in-men-and-women
#5
Chi-Jung Huang, Jeng-Kai Jiang, Shih-Ching Chang, Jen-Kou Lin, Shung-Haur Yang
Peritoneal dissemination (PD) of cancer is difficult to diagnose. Previous reports have shown that carbohydrate antigen 125 (CA125) is a sensitive marker of PD of gastric cancer. However, CA125 has not been evaluated as a marker of colorectal cancer (CRC), and its accuracy in men is controversial. The aim of this study was to compare the ability of CA125 and carcinoembryonic antigen (CEA) to predict PD of CRC in men and women.Preoperative CA125 and CEA concentrations were measured in 853 people (510 men, 343 women) over 10 years...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27877009/characteristics-of-gastric-cancer-recurrence-five-or-more-years-after-curative-gastrectomy
#6
Chang-Hyun Shin, Woo-Yong Lee, Seung-Woo Hong, Yeo-Goo Chang
OBJECTIVE: To investigate the characteristics of recurrences that occurred 5 or more years after curative resection for gastric cancer. METHODS: We analyzed recurrences among 1,299 patients with gastric cancer who underwent curative operations at the Department of Surgery, Inje University Seoul Paik Hospital between September 1998 and December 2002. Recurrences were classified as within 2 years (early), 2-5 years (intermediate), and more than 5 years (late) after gastrectomy...
October 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/27872531/positive-peritoneal-lavage-cytology-implications-for-staging-and-management-of-gastric-cancer
#7
Suman B Koganti, Satish Boddepalli, Muralidhar Nambada, Venu Madhav Thumma, Bheerappa Nagari, R A Sastry
The survival rates of gastric cancer patients with cytology-positive peritoneal lavage fluid without macroscopic dissemination (CY+/P-) is the same as that of patients with overt peritoneal metastasis.The 5-year survival rate of such patients is only 2%. The current study aims to highlight its significance in the staging of gastrointestinal malignancies and its implications for patient care. Prospective nonrandom analysis of peritoneal wash cytology in patients with gastrointestinal malignancies was conducted in the department of Surgical Gastroenterology, Nizams Institute of Medical Sciences, Hyderabad from January 2012 to June 2013...
December 2016: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27843732/resection-of-large-metachronous-liver-metastasis-with-gastric-origin-case-report-and-review-of-the-literature
#8
REVIEW
Ionut Negoi, Alexandru Runcanu, Sorin Paun, Ruxandra Irina Negoi, Mircea Beuran
INTRODUCTION: Increasing evidence suggests that surgical resection may be offered to a subgroup of patients with liver metastasis of gastric adenocarcinoma. The aim of this case report is to illustrate the surgical resection of a single liver metachronous recurrence twelve months after a radical total gastrectomy for cancer. CASE REPORT: A 63-year-old male patient with an Eastern Cooperative Oncology Group performance status of 1 was referred to our hospital for a single, large liver metastasis, twelve months after a radical total gastrectomy and DII lymphadenectomy for upper third gastric adenocarcinoma...
October 3, 2016: Curēus
https://www.readbyqxmd.com/read/27822632/prognostic-significance-of-basing-treatment-strategy-on-the-results-of-photodynamic-diagnosis-in-advanced-gastric-cancer
#9
Yuki Ushimaru, Yoshiyuki Fujiwara, Kentaro Kishi, Keijiro Sugimura, Takeshi Omori, Jeong-Ho Moon, Yoshitomo Yanagimoto, Masayuki Ohue, Masayoshi Yasui, Hidenori Takahashi, Shogo Kobayashi, Hirofumi Akita, Norikatsu Miyoshi, Akira Tomokuni, Masato Sakon, Masahiko Yano
BACKGROUND: We have previously reported that use of a staging laparoscopy (SL) combined with photodynamic diagnosis using 5-aminolevulinic acid (ALA-SL) improves sensitivity in detecting peritoneal dissemination in gastric cancer (GC). The purpose of this study was to examine the clinical significance of basing treatment strategies on the results of ALA-SL in patients with advanced GC. PATIENTS AND METHODS: ALA-SL was performed on 113 patients with advanced GC prior to determination of their first course of treatment...
November 7, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27806214/the-importance-of-extensive-intraoperative-peritoneal-lavage-as-a-promising-method-in-patients-with-gastric-cancer-showing-positive-peritoneal-cytology-without-overt-peritoneal-metastasis-and-other-therapeutic-approaches
#10
Enver Ilhan, Ali Alemdar, Orhan Ureyen, Koray Bas
Peritoneal invasion is more common and has a worse prognosis in gastric cancer than most of other intestinal cancers. Advanced gastric cancers have a poor course in terms of the development of peritoneal carcinomatosis and prognosis, even if the curative resection has been performed. Patients usually die within the first 2 years of the postoperative period mainly due to peritoneal metastasis. It is, therefore, essential to eradicate intraperitoneal free cancer cells to prevent peritoneal recurrences. A standard therapy has not been developed yet for patients with gastric cancer with a positive peritoneal cytology or a gross peritoneal metastasis...
November 2, 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/27803990/intraperitoneal-chemotherapy-for-gastric-cancer-with-peritoneal-metastasis
#11
Daisuke Kobayashi, Yasuhiro Kodera
Peritoneal metastasis is the most frequent pattern of gastric cancer recurrence or metastasis and is a definitive determinant of prognosis. However, an effective means of treating peritoneal disease has not yet been established. Systemic chemotherapy has only a limited effect on peritoneal metastasis, although some progress has been shown in terms of median survival time, especially among patients with a minimal or moderate disease burden. Clinical research related to intraperitoneal administration of anticancer drugs is currently underway...
November 1, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27793040/mirna-3978-regulates-peritoneal-gastric-cancer-metastasis-by-targeting-legumain
#12
Yi Zhang, Yuan-Yu Wu, Jun-Nan Jiang, Xue-Song Liu, Fu-Jian Ji, Xue-Dong Fang
Gastric cancer incidence and mortality are among the highest in China, with majority of the mortality related to peritoneal metastasis of gastric cancer. Treatment is limited to radical resection, which is impeded by incidence of metastasis at time of initial diagnosis, thus making it imperative to identify diagnostic and prognostic biomarkers. Legumain, a lysosomal cysteine endopeptidase of the asparaginyl endopeptidase family, has been shown to be overexpressed in patients with metastatic gastric cancer disease and its expression was positively correlated to both disease progression and outcome...
October 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27766496/intraperitoneal-chemotherapy-for-gastric-cancer-with-peritoneal-disease-experience-from-singapore-and-japan
#13
Koji Kono, Wei-Peng Yong, Hirokazu Okayama, Asim Shabbir, Tomoyuki Momma, Shinji Ohki, Seiichi Takenoshita, Jimmy So
Among advanced gastric cancer cases, peritoneal dissemination is a life-threatening mode of metastasis, and any strategy to control peritoneal metastasis will significantly improve treatment outcomes. Since intraperitoneal administration of anticancer drugs can induce an extremely high concentration of drugs in the peritoneal cavity, intraperitoneal chemotherapy would appear to be a reasonable and promising strategy to control the peritoneal dissemination. However, it has been reported in the past that intraperitoneal administration of mitomycin C or cisplatin resulted in no significant clinical effects against peritoneal metastasis of gastric cancer...
October 20, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27760962/-a-case-of-long-term-survival-after-gastrectomy-and-metachronous-brain-metastasis
#14
Yukio Maezawa, Tsutomu Sato, Kazuki Kano, Kenki Segami, Tetsushi Nakajima, Taiichi Kawabe, Junya Shirai, Hiroto Fujikawa, Toru Aoyama, Tsutomu Hayashi, Kousuke Ikeda, Takanobu Yamada, Satoshi Tsuchida, Naoto Yamamoto, Takashi Ohshima, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa
A30 -year-old woman underwent total gastrectomy with D2 lymph node dissection after being diagnosed with clinical T3, N2, M0, Stage III B gastric cancer. The postoperative pathological findings revealed a T3(SE), N2, M0, Stage III B tumor. Headache, dizziness, and vomiting occurred during chemotherapy for peritoneal recurrence, using weekly paclitaxel on days 1, 8, and 15. Head CT showed a solitary tumor with a diameter of 28mm in the cerebellum, as well as cerebellar swelling and hydrocephalus. She underwent an emergency craniotomy and tumor enucleation...
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27694893/transducin-%C3%AE-like-1-x-linked-receptor-1-promotes-gastric-cancer-progression-via-the-erk1-2-pathway
#15
Q Zhou, X Wang, Z Yu, X Wu, X Chen, J Li, Z Zhu, B Liu, L Su
Gastric cancer (GC) is one of the most common types of cancer worldwide, and it involves extensive local tumour invasion, metastasis and poor prognosis. Understanding the mechanisms regulating the progression of GC is necessary for the development of effective therapeutic strategies. Transducin (β)-like 1 X-linked receptor 1 (TBL1XR1) is an important regulator controlling gene activation and repression, which has been thought to be involved in tumorigenesis. However, the role of TBL1XR1 in human GC remains largely unknown...
October 3, 2016: Oncogene
https://www.readbyqxmd.com/read/27678357/seventh-tumor-node-metastasis-staging-of-gastric-cancer-five-year-follow-up
#16
REVIEW
Stefano Rausei, Laura Ruspi, Federica Galli, Vincenzo Pappalardo, Giuseppe Di Rocco, Francesco Martignoni, Francesco Frattini, Francesca Rovera, Luigi Boni, Gianlorenzo Dionigi
Seventh tumor-node-metastasis (TNM) classification for gastric cancer, published in 2010, introduced changes in all of its three parameters with the aim to increase its accuracy in prognostication. The aim of this review is to analyze the efficacy of these changes and their implication in clinical practice. We reviewed relevant Literature concerning staging systems in gastric cancer from 2010 up to March 2016. Adenocarcinoma of the esophago-gastric junction still remains a debated entity, due to its peculiar anatomical and histological situation: further improvement in its staging are required...
September 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27672270/regional-but-fatal-intraperitoneal-metastasis-in-gastric-cancer
#17
REVIEW
Jia Wei, Nan-Die Wu, Bao-Rui Liu
Peritoneal carcinomatosis appears to be the most common pattern of metastasis or recurrence and is associated with poor prognosis in gastric cancer patients. Many efforts have been made to improve the survival in patients with peritoneal metastasis. Hyperthermic intraperitoneal chemotherapy remains a widely accepted strategy in the treatment of peritoneal dissemination. Several phase II-III studies confirmed that the combined cytoreducitve surgery and hyperthermic intraperitoneal chemotherapy resulted in longer survival in patients with peritoneal carcinomatosis...
September 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27650694/survival-benefit-of-gastrectomy-for-gastric-cancer-with-peritoneal-carcinomatosis-a-propensity-score-matched-analysis
#18
Xiuwen Geng, Hao Liu, Tian Lin, Yanfeng Hu, Hao Chen, Liying Zhao, Tingyu Mou, Xiaolong Qi, Jiang Yu, Guoxin Li
Peritoneal carcinomatosis (PC) is the most frequent pattern of metastasis in stage IV gastric cancer (GC). The study aims to investigate the efficacy of gastrectomy in GC with PC. Clinicopathological data of 518 stage IV GC patients were retrospectively collected in Nanfang Hospital. Among all cases, 312 GC patients with PC (without other site of metastasis) were eligible. Univariate and multivariate analyses were performed to identify the independent prognostic factors. Propensity score matching analysis was performed to balance the characteristics and treatment-related factors...
September 20, 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27607338/greater-omental-milky-spot-examination-for-diagnosis-of-peritoneal-metastasis-in-gastric-cancer-patients
#19
Xinming Zhang, Xin Liu, Fengbo Sun, Shouchuan Li, Wei Gao, Ye Wang
OBJECTIVE: To evaluate the diagnostic value of cytological greater omental milky spot examination for the diagnosis of peritoneal metastasis in gastric cancer patients. METHODS: A total of 136 patients diagnosed with gastric cancer and without distant metastasis were enrolled in our study. All patients underwent laparoscopy and CH40 suspension liquid dye of peritoneal lymph nodes preoperatively as well as ascites or peritoneal lavage fluid collections and excisions of marked greater omental milky spot tissues perioperatively...
September 8, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27589842/cross-linked-hyaluronic-acid-gel-inhibits-metastasis-and-growth-of-gastric-and-hepatic-cancer-cells-in-vitro-and-in-vivo-studies
#20
Ting Lan, Ji Pang, Yan Wu, Miaolin Zhu, Xiaoyuan Yao, Min Wu, Hai Qian, Zhenyu Zhang, Jizong Gao, Yongchang Chen
Cross-linked hyaluronic acid gel (CHAG) has been used to prevent postoperative adhesion of abdominal tumorectomy. However, its effect on tumor cells is still unknown. This paper was designed to investigate the effect of CHAG on metastasis and growth of tumor cells. Migration and invasion assays, Western blotting, pull down assay, siRNA interference, and nude mice implantation tumor model were applied in this study. The results of in vitro experiments with gastric cancer cell line AGS and hepatic cancer cell line HepG2 showed that CHAG inhibited the migration and invasion activities, the MAPK and PI3K/Akt mediated signaling, the activation of small G proteins Rac1 and RhoA, and the expression of MMPs and PCNA initiated by EGF, through blocking the activation of EGFR...
August 31, 2016: Oncotarget
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