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Gastric cancer AND radiotherapy

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https://www.readbyqxmd.com/read/29337065/downregulated-circular-rna-hsa_circ_0001649-regulates-proliferation-migration-and-invasion-in-cholangiocarcinoma-cells
#1
Yi Xu, Yue Yao, Xiangyu Zhong, Kaiming Leng, Wei Qin, Lijun Qu, Yunfu Cui, Xingming Jiang
Cholangiocarcinoma (CCA) is one of the most aggressive malignancies with increasing worldwide incidence and is characterized by unfavorable prognosis due to its early invasive characteristics and poor response to chemotherapy or radiotherapy. Accumulating evidence has indicated that aberrantly expressed circular RNAs (circRNAs) are involved in cancer development and progression. However, their clinical values and biological roles in CCA remain unclear. Hsa_circ_0001649, a novel cancer-related circRNA, has been previously reported to be downregulated in hepatocellular carcinoma and gastric cancer...
January 11, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29329964/is-quality-of-registry-treatment-data-related-to-registrar-experience-and-workload-a-study-of-taiwan-cancer-registry-data
#2
Chin-Ying Cheng, Chun-Ju Chiang, Cheng-Hsing Hsieh, You-Kang Chang, Mei-Shu Lai
BACKGROUND: Although cancer treatment information has been collected through the Cancer Registry system in Taiwan for more than 10 years, the accuracy of such data has never been evaluated. This study examined the accuracy rate between registrar experience and on-site chart review for the first course of cancer treatment. METHODS: In this retrospective chart review study, 392 randomly selected medical records from 14 hospitals were re-abstracted by experienced abstractors...
January 10, 2018: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/29235569/s-1-chemotherapy-and-intensity-modulated-radiotherapy-after-d1-d2-lymph-node-dissection-in-patients-with-node-positive-gastric-cancer-a-phase-i-ii-study
#3
X Wang, D B Zhao, L Yang, Y Chi, Y Tang, N Li, S L Wang, Y W Song, Y P Liu, W Y Liu, H Ren, T Zhang, J Y Wang, X S Chen, H Fang, W H Wang, Y X Li, J Jin
BACKGROUND: This phase I/II clinical trial investigated S-1 administered with intensity-modulated radiotherapy (IMRT) as adjuvant therapy for node-positive gastric cancer. Patients had undergone radical resection and D1/D2 lymph node dissection. METHODS: In phase I, patients received adjuvant chemoradiotherapy of IMRT (45 Gy in 25 fractions) with concurrent S-1 administered on a dose-escalation schedule to determine the recommended dose (RD). In phase II, the safety and efficacy of the RD of S-1 combined with IMRT were assessed...
December 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29223168/serious-gastric-perforation-after-second-stereotactic-body-radiotherapy-for-peripheral-lung-cancer-that-recurred-after-initial-stereotactic-body-radiotherapy-a-case-report
#4
Hotaka Nonaka, Hiroshi Onishi, Masatoki Ozaki, Kengo Kuriyama, Takafumi Komiyama, Ryo Saito
BACKGROUND: In recent reports, re-irradiation with stereotactic body radiotherapy for lung tumors in patients previously treated with thoracic radiation therapy resulted in several serious toxicities. Serious non-lung toxicities were observed mostly in patients with central tumors, but we experienced a case of fatal gastric perforation after a second stereotactic body radiotherapy in a patient with a peripheral lung tumor. CASE PRESENTATION: An 83-year-old Asian man was diagnosed with T2N0M0 lung cancer in the form of squamous cell carcinoma in the lower lobe of his left lung...
December 10, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29179512/time-to-local-recurrence-as-a-predictor-of-survival-in-unrecetable-gastric-cancer-patients-after-radical-gastrectomy
#5
Hui Li, Xiangyu Jin, Peng Liu, Wei Hong
Local recurrence is common after radical surgery. However, the factors that contribute to survival after local recurrence remain unclear. In this retrospective study we analyzed the relationship between time to recurrence and survival after recurrence in 74 patients with locally recurrent gastric cancer. All patients received palliative radiotherapy with or without chemotherapy. The patients were divided into two groups according to the time between gastrectomy and local recurrence: early local recurrence (ELR, < 12 months after primary surgery), and late local recurrence (LLR, ≥12 months after primary surgery)...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29172270/18-fluorodeoxy-glucose-positron-emission-tomography-computed-tomography-18-fdg-pet-ct-for-gross-tumor-volume-gtv-delineation-in-gastric-cancer-radiotherapy
#6
Kinga Dębiec, Jerzy Wydmański, Izabela Gorczewska, Paulina Leszczyńska, Kamil Gorczewski, Wojciech Leszczyński, Andrea d’Amico, Michał Kalemba
Purpose: Evaluation of the 18-fluorodeoxy-glucose positron emission tomography-computed tomography (18-FDGPET/ CT) for gross tumor volume (GTV) delineation in gastric cancer patients undergoing radiotherapy. Methods: In this study, 29 gastric cancer patients (17 unresectable and 7 inoperable) were initially enrolled for radical chemoradiotherapy (45Gy/25 fractions + chemotherapy based on 5 fluorouracil) or radiotherapy alone (45Gy/25 fractions) with planning based on the 18-FDG-PET/CT images. Five patients were excluded due to excess blood glucose levels (1), false-negative positron emission tomography (1) and distant metastases revealed by 18-FDG-PET/CT (3)...
November 26, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29154240/polish-consensus-on-treatment-of-gastric-cancer-update-2017
#7
Jan Kulig, Grzegorz Wallner, Michał Drews, Mariusz Frączek, Arkadiusz Jeziorski, Wojciech Kielan, Piotr Kołodziejczyk, Anna Nasierowska-Guttmejer, Teresa Starzyńska, Krzysztof Zinkiewicz, Marek Wojtukiewicz, W Tomasz Skoczylas, Piotr Richter, Marek Krawczyk
The "Polish Research on Gastric Cancer" project has been continued since 1986. The main aim of this project, which is a multicenter and interdisciplinary research, is enhancing the treatment results of gastric cancer patients by developing and promoting the use of optimal methods for diagnosis and treatment, both surgical as well as combined. One of the more important achievements of the project is the development and publication of a document named "Polish Consensus on Treatment of Patients with Gastric Cancer", whose first version was published in 1998...
October 31, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/29151934/development-and-validation-of-a-nomogram-to-predict-the-benefit-of-adjuvant-radiotherapy-for-patients-with-resected-gastric-cancer
#8
Shu-Qiang Yuan, Wen-Jing Wu, Miao-Zhen Qiu, Zi-Xian Wang, Lu-Ping Yang, Ying Jin, Jing-Ping Yun, Yuan-Hong Gao, Yu-Hong Li, Zhi-Wei Zhou, Feng Wang, Rui-Hua Xu
Background: The US guidelines for gastric cancer (GC) recommend adjuvant radiotherapy (ART) combined with 5-fluorouracil as a standard treatment for patients with resected locally advanced GC. However, patient selection criteria for optimizing the use of adjuvant therapies are lacking. In this study, we developed and validated a nomogram to predict the individualized overall survival (OS) benefit of ART among patients with resected ≥stage IB GC. Patients and Methods: The 2002-2006 Surveillance, Epidemiology, and End Results (SEER) data of 5,206 patients with resected GC were used as a training set for the development of a nomogram...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29130225/-conversion-therapy-of-advanced-gastric-cancer
#9
Xiangdong Cheng, Zonglei Mao
There are 30% to 40% of advanced gastric cancer patients who lose the opportunity of curative surgery at initial diagnosis, so chemotherapy is recommended as the main treatment modality, however, the overall prognosis is poor. Recently, a number of phase II( studies show an enormously ideal potential of conversion therapy in these patients. Conversion therapy uses rational chemotherapy, radiotherapy and targeted therapy and so on combined with MDT assessment to translate initial unresectable case to resectable one, which obviously prolongs survival time and improves quality of life...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29130142/radiotherapy-for-gastric-bleeding-from-tumor-invasion-of-recurrent-colon-cancer-with-liver-metastasis-after-resection
#10
Osamu Tanaka, Ryoma Yokoi, Tsuyoshi Mukai, Makoto Yamada, Tomohiro Kato, Takuya Taniguchi, Kousei Ono, Masayuki Matsuo
No abstract text is available yet for this article.
November 13, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29101643/dosimetric-comparison-of-3-dimensional-conformal-radiotherapy-volumetric-modulated-arc-therapy-and-helical-tomotherapy-for-postoperative-gastric-cancer-patients
#11
Cem Onal, Yemliha Dölek, Berna Akkuş Yıldırım
PURPOSE: To compare dosimetric data for the planning target volume (PTV) and organs at risk (OARs) between 3-dimensional conformal radiotherapy (3DCRT), volumetric modulated arc therapy (VMAT), and helical tomotherapy [1]. MATERIALS AND METHODS: The dosimetric data for 15 gastric cancer patients treated with 3DCRT, VMAT, or HT techniques were used. Cumulative dosimetric parameters, homogeneity index (HI), and conformal index (CI) were compared for the PTV and OARs...
November 3, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/29061772/monoclonal-antibodies-for-the-treatment-of-cancer
#12
REVIEW
Joseph Thomas Pento
The ability of cancer cells to evade the immune system is one of the most deadly characteristics of the majority of malignant tumours. Accordingly, the recent development of antibodies which target tumor cell evasion of immune checkpoints such as the cytotoxic T lymphocyte associated antigen-4 (CTLA-4) as well as the programmed cell death protein (PD-1) and the PD-1 ligand (PD-L1) has been a major and apparently highly effective approach in the treatment and/or eradication of a variety of highly malignant forms of cancers...
November 2017: Anticancer Research
https://www.readbyqxmd.com/read/29033254/nodal-areas-of-potential-geographic-error-in-adjuvant-radiotherapy-for-biliary-tract-cancer
#13
Joanna Socha, Maciej Michalak, Grzegorz Wołąkiewicz, Lucyna Kepka
PURPOSE: To determine the areas of potential geographic error in adjuvant radiotherapy (RT) for biliary-tract cancer (BTC) by comparing pathological-surgical data on the pattern of nodal spread with the extent of elective nodal CTV used in published RT studies in this setting. MATERIAL/METHODS: A literature search was performed to select articles on: 1/adjuvant RT for BTC, that provided information on the lymph node stations (LNS) included in the CTV; 2/the pathological-surgical data on the patterns of nodal involvement/recurrence in BTC...
October 12, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28976791/adjuvant-chemoradiotherapy-with-epirubicin-cisplatin-and-fluorouracil-compared-with-adjuvant-chemoradiotherapy-with-fluorouracil-and-leucovorin-after-curative-resection-of-gastric-cancer-results-from-calgb-80101-alliance
#14
RANDOMIZED CONTROLLED TRIAL
Charles S Fuchs, Donna Niedzwiecki, Harvey J Mamon, Joel E Tepper, Xing Ye, Richard S Swanson, Peter C Enzinger, Daniel G Haller, Tomislav Dragovich, Steven R Alberts, Georg A Bjarnason, Christopher G Willett, Leonard L Gunderson, Richard M Goldberg, Alan P Venook, David Ilson, Eileen O'Reilly, Kristen Ciombor, David J Berg, Jeffrey Meyerhardt, Robert J Mayer
Purpose After curative resection of gastric or gastroesophageal junction adenocarcinoma, Intergroup Trial 0116 (Phase III trial of postoperative adjuvant radiochemotherapy for high risk gastric and gastroesophageal junction adenocarcinoma: Demonstrated superior survival for patients who received postoperative chemoradiotherapy with bolus fluorouracil (FU) and leucovorin (LV) compared with surgery alone. CALGB 80101 (Alliance; Phase III Intergroup Trial of Adjuvant Chemoradiation After Resection of Gastric or Gastroesophageal Adenocarcinoma) assessed whether a postoperative chemoradiotherapy regimen that replaced FU plus LV with a potentially more active systemic therapy could further improve overall survival...
November 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28947456/baseline-characteristics-survival-and-direct-costs-associated-to-treatment-of-gastric-cancer-patients-at-the-national-oncology-institute-of-panama-from-2012-to-2015-a-hospital-based-observational-study
#15
Franz Castro, David Shahal, Musharaf Tarajia, Ilais Moreno Velásquez, Maribel Tribaldos Causadias, Víctor Herrera, Beatriz Gómez, Moisés Cukier, Jorge Motta
OBJECTIVES: Comprehensive epidemiological and economic studies of gastric cancer (GC) in Panama are limited. This study aims to evaluate the association between socioeconomic and clinical variables with survival, describe the survival outcomes according to clinical stage and estimate the direct costs associated to GC care in a Panamanian population with GC. DESIGN AND SETTING: A retrospective observational study was conducted at the leading public institution for cancer treatment in Panama...
September 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28915886/prognostic-factors-in-patients-with-loco-regionally-advanced-gastric-cancer
#16
Bo Hultman, Ulf Gunnarsson, Peter Nygren, Magnus Sundbom, Bengt Glimelius, Haile Mahteme
BACKGROUND: The aim of this study was to investigate epidemiologic and prognostic factors relevant to the treatment of loco-regionally advanced gastric cancer (GC). METHODS: Two hundred and fifty-five patients with GC were identified in Uppsala County between 2000 and 2009. Patient records were analyzed for loco-regionally advanced GC defined as tumor with peritoneal involvement, excluding serosal invasion from the primary tumor only, at primary diagnosis or during follow-up...
September 15, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28905005/management-of-gastric-cancer-in-indian-population
#17
REVIEW
Mohammed Ibrahim, Kissan Gilbert
Adenocarcinoma stands the most common malignancies in the gastric carcinomas and holds a significant mortality and morbidity rates annually, due to the early vague symptoms among the population and hence the delayed presentation at advanced stages of cancer. In India the screening programs for gastric cancer has been a setback due to various logistics reasons and the data available from reporting is also not content. Our study is a review article featuring the management of gastric cancer in the Indian population...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28902346/prediction-of-radiosensitive-patients-with-gastric-cancer-by-developing-gene-signature
#18
Jin Zhou, Xiaoyu Wu, Gang Li, Xin Gao, Min Zhai, Weichang Chen, Huagang Hu, Zaixiang Tang
Adjuvant radiotherapy is an important clinical treatment for the majority of gastric cancer, a common cancer. However, radiotherapy is a double-edged sword. It is necessary to develop a method to predict radiosensitive patients who are most likely to benefit from radiotherapy. Using the publicly available data of gastric cancer from The Cancer Genome Atlas (TCGA), we developed a gene signature that predicts radiosensitive patients through estimating a new index, nominal HR (nHR) (HR product of sensitive genes), for each patient...
October 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28881161/leptomeningeal-carcinomatosis-from-gastric-cancer-successfully-treated-by-the-intrathecal-methotrexate-plus-temozolomide-and-simultaneous-radiotherapy-case-report-and-literatures-review
#19
Yangyang Liu
Leptomeningeal carcinomatosis (LMC) from gastrointestinal cancer is rare. A 56-year-old man with complaint of upper abdominal pain exhibited adenocarcinoma upon histopathologic examination of biopsy specimens. At the end of adjuvant chemotherapy, the patient was affected by hearing loss. Malignant cells were observed by cerebrospinal fluid (CSF) cytology. Therefore, the patient received intrathecal methotrexate and oral temozolomide chemotherapy and radiotherapy. The progress-free survival was approximately 11 months...
October 3, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28877045/advances-in-the-treatment-of-gastric-cancer
#20
David H Ilson
PURPOSE OF REVIEW: To review recent studies in esophagogastric cancer. RECENT FINDINGS: Positive emission tomography (PET) scan in follow-up after curative treatment of esophagogastric cancer did not lead to improved survival. In the preoperative treatment of esophagogastric cancer, the addition of the antivascular endothelial growth factor agent bevacizumab to perioperative chemotherapy with combination epirubicin, cisplatinum, and 5-fluorouracil (5-FU; ECF) failed to improve survival compared with chemotherapy alone...
November 2017: Current Opinion in Gastroenterology
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