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Oncology

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https://www.readbyqxmd.com/read/29324448/the-expression-of-hsd17b12-is-associated-with-cox-2-expression-and-is-increased-in-high-grade-epithelial-ovarian-cancer
#1
Heidi Kemiläinen, Kaisa Huhtinen, Annika Auranen, Olli Carpén, Leena Strauss, Matti Poutanen
OBJECTIVE: The aim of this study was to characterize the expression of hydroxysteroid (17β) dehydrogenase type 12 (HSD17B12), an enzyme involved in the synthesis of arachidonic acid (AA), in ovarian cancer, and to study its coexpression with its upstream and downstream enzymes in the AA pathway, namely elongation of very long chain fatty acids protein 5 (ELOVL5) and cyclooxygenase-2 (COX-2), respectively. MATERIALS AND METHODS: Samples from benign and malignant ovarian neoplastic lesions were immunohistochemically stained with HSD17B12, ELOVL5, and COX-2...
January 12, 2018: Oncology
https://www.readbyqxmd.com/read/29306943/clinically-observed-estrogen-receptor-alpha-mutations-within-the-ligand-binding-domain-confer-distinguishable-phenotypes
#2
Shanhang Jia, Mark T Miedel, Marilyn Ngo, Ryan Hessenius, Ning Chen, Peilu Wang, Amir Bahreini, Zheqi Li, Zhijie Ding, Tong Ying Shun, Daniel M Zuckerman, D Lansing Taylor, Shannon L Puhalla, Adrian V Lee, Steffi Oesterreich, Andrew M Stern
OBJECTIVE: Twenty to fifty percent of estrogen receptor-positive (ER+) metastatic breast cancers express mutations within the ER ligand-binding domain. While most studies focused on the constitutive ER signaling activity commonly engendered by these mutations selected during estrogen deprivation therapy, our study was aimed at investigating distinctive phenotypes conferred by different mutations within this class. METHODS: We examined the two most prevalent mutations, D538G and Y537S, employing corroborative genome-edited and lentiviral-transduced ER+ T47D cell models...
January 6, 2018: Oncology
https://www.readbyqxmd.com/read/29268274/relations-of-changes-in-serum-carcinoembryonic-antigen-levels-before-and-after-neoadjuvant-chemoradiotherapy-and-after-surgery-to-histologic-response-and-outcomes-in-patients-with-locally-advanced-rectal-cancer
#3
Gota Saito, Sotaro Sadahiro, Takashi Ogimi, Hiroshi Miyakita, Kazutake Okada, Akira Tanaka, Toshiyuki Suzuki
OBJECTIVES: The histologic response to neoadjuvant chemoradiotherapy (nCRT) has been intimately related to outcomes in locally advanced rectal cancer. Serum carcinoembryonic antigen (CEA) levels change after nCRT and after surgery as compared with before nCRT. METHODS: The subjects were 149 patients with locally advanced rectal cancer who received nCRT between 2005 and 2013. The patients were divided into 4 groups according to the serum CEA levels: group 1, 55 patients with negative serum CEA levels before nCRT; group 2, 41 patients with positive serum CEA levels before nCRT that became negative after nCRT; group 3, 37 patients with positive serum CEA levels after nCRT that became negative after surgery; and group 4, 16 patients with positive serum CEA levels after nCRT as well as after surgery...
December 22, 2017: Oncology
https://www.readbyqxmd.com/read/29241220/high-risk-human-papillomavirus-in-oral-cancer-clinical-implications
#4
Subuhi Yete, Wendy D'Souza, Dhananjaya Saranath
Oral cancer is the eleventh most common cancer globally, with well-established major risk factors of tobacco, areca nut, alcohol, and high-risk human papillomavirus (HR-HPV) types 16 and 18. HR-HPV16/18 are the etiologic agents of cervical cancers and a proportion of oropharyngeal cancers. HPV-associated oropharyngeal and oral cancers show better prognosis and response to therapy. However, the picture of HR-HPV16/18 and the clinical implications of oral cancers are not clear with the majority of reports combining oral cancer data with head and neck cancers...
December 15, 2017: Oncology
https://www.readbyqxmd.com/read/29241166/the-clinical-efficacy-of-radium-223-for-bone-metastasis-in-patients-with-castration-resistant-prostate-cancer-an-italian-clinical-experience
#5
Rossella De Luca, Renato Patrizio Costa, Vincenzo Tripoli, Alessandra Murabito, Giuseppe Cicero
BACKGROUND/AIM: Prostate cancer frequently causes bone metastases and skeletal events that impair quality of life (QoL) and survival. The alpha emitter radium-223 is a new drug that improves treatment in men with castration-resistant prostate cancer (CRPC) and bone metastases. Our aim was to evaluate the effectiveness of radium-223. SUBJECTS AND METHODS: In this retrospective study we enrolled 48 subjects. Pain reduction, alkaline phosphatase (ALP), time to first symptomatic skeletal event, and QoL were the variables we evaluated...
December 15, 2017: Oncology
https://www.readbyqxmd.com/read/29216641/znf750-expression-is-a-potential-prognostic-biomarker-in-esophageal-squamous-cell-carcinoma
#6
Ryota Otsuka, Yasunori Akutsu, Haruhito Sakata, Naoyuki Hanari, Kentaro Murakami, Masayuki Kano, Takeshi Toyozumi, Masahiko Takahashi, Yasunori Matsumoto, Nobufumi Sekino, Masaya Yokoyama, Koichiro Okada, Tadashi Shiraishi, Aki Komatsu, Keiko Iida, Hisahiro Matsubara
OBJECTIVE: ZNF750, a transcriptional regulator of epidermal differentiation, has been identified as a tumor suppressor in esophageal squamous cell carcinoma (ESCC). The aim of the present study was to investigate the clinical and prognostic significance of ZNF750 expression and to evaluate the effect of ZNF750 knockdown on cell proliferation, migration, and invasion in ESCC. METHODS: A total of 124 patients with ESCC who underwent curative esophagectomy were evaluated in this study...
December 8, 2017: Oncology
https://www.readbyqxmd.com/read/29212082/risk-factors-for-chemotherapy-related-toxicity-and-adverse-events-in-elderly-thai-cancer-patients-a-prospective-study
#7
Ekkamol Phaibulvatanapong, Varalak Srinonprasert, Suthinee Ithimakin
OBJECTIVES: To assess factors predisposing to severe chemotherapy-related toxicity and adverse events (AEs) and dose modification in aging cancer patients. METHODS: Cancer patients aged ≥70 years scheduled to receive the first cycle of a new chemotherapy regimen were enrolled. On the day of starting chemotherapy, demographic data, performance status (PS), and geriatric parameters were recorded. AEs and chemotherapy modification were recorded. Quality of life (QOL) was assessed at baseline and 3 months after starting chemotherapy or at the end of chemotherapy...
December 7, 2017: Oncology
https://www.readbyqxmd.com/read/29207378/characteristics-of-hepatocellular-carcinoma-aggressiveness-factors-in-turkish-patients
#8
Hikmet Akkiz, Brian I Carr, Kendal Yalçın K, Vito Guerra, Sedef Kuran, Engin Altıntaş, Oğuz Üsküdar, Ümit Karaoğullarından, Ayşegül Özakyol, Salih Tokmak, Mehmet Yücesoy, Halil İbrahim Bahçeci, Abdulalh Ülkü, Tolga Akçam, Kamil Yalçın Polat, Nazım Ekinci, Halis Şimşek, Necati Örmeci, Abdulalh Sonsuz, Mehmet Demir, Murat Kılıç, Ahmet Uygun, Tuğsan Ballı, Ali Demir, Burcu Arslan, Figen Doran
A large cohort of hepatocellular carcinoma (HCC) patients from several collaborating Turkish institutions were examined for the tumor parameters of maximum diameter (MTD), portal vein thrombosis (PVT), and α-fetoprotein (AFP) levels. A relationship was found between MTD and blood platelet levels. Patients with large ≥5 cm tumors who had normal platelet levels had significantly larger tumors, higher percent of PVT, and significantly lower blood total bilirubin and liver cirrhosis than similar ≥5 cm tumor patients having thrombocytopenia...
December 6, 2017: Oncology
https://www.readbyqxmd.com/read/29151109/reporting-of-randomized-trials-in-common-cancers-in-the-lay-media
#9
Domen Ribnikar, Hadar Goldvaser, Alberto Ocana, Arnoud J Templeton, Bostjan Seruga, Eitan Amir
BACKGROUND: Limited data exist about the role of the lay media in the dissemination of results of randomized controlled trials (RCTs) in common cancers. METHODS: Completed phase III RCTs evaluating new drugs in common cancers between January 2005 and October 2016 were identified from ClinicalTrials.gov. Lay media reporting was identified by searching LexisNexis Academic. Scientific reporting was defined as presentation at an academic conference or publication in full...
November 18, 2017: Oncology
https://www.readbyqxmd.com/read/29151106/survival-outcome-of-intermediate-grade-salivary-gland-carcinoma
#10
Gi Cheol Park, Jong-Lyel Roh, Kyung-Ja Cho, Yong Gi Jung, Hyoun Wook Lee, Tae Gyu Kim, Seung-Ho Choi, Soon Yuhl Nam, Sang Yoon Kim
OBJECTIVE: Histological grade is the most important factor for defining treatment strategies and predicting prognosis for salivary gland carcinoma (SGC). We examined factors affecting long-term recurrence and survival among intermediate-grade SGC (IGSGC) patients to define optimal treatment modalities and outcomes. METHODS: We reviewed the clinical and pathological data on 108 IGSGC patients who underwent definitive surgery with or without postoperative radiotherapy...
November 18, 2017: Oncology
https://www.readbyqxmd.com/read/29151104/clinical-efficacy-and-safety-of-first-line-dasatinib-therapy-and-the-relevance-of-velocity-of-bcr-abl1-transcript-decline-for-achievement-of-molecular-responses-in-newly-diagnosed-chronic-phase-chronic-myeloid-leukemia-report-from-the-juntendo-yamanashi-cooperative
#11
Tomoiku Takaku, Noriyoshi Iriyama, Toru Mitsumori, Eriko Sato, Akihiko Gotoh, Keita Kirito, Masaaki Noguchi, Michiaki Koike, Junichi Sakamoto, Koji Oba, Norio Komatsu
OBJECTIVE: The use of tyrosine kinase inhibitors led to an improvement in the prognoses of patients with chronic myeloid leukemia (CML). The aims of this study were to investigate the efficacy and safety of dasatinib in Japanese patients and to explore the factors that affect the achievement of molecular responses. METHODS: The primary endpoint was a major molecular response (MMR) by 12 months. The halving time for BCR-ABL1 transcripts was calculated using transcript levels...
November 18, 2017: Oncology
https://www.readbyqxmd.com/read/29145211/patient-reported-outcome-results-from-the-open-label-randomized-phase-iii-select-bc-trial-evaluating-first-line-s-1-therapy-for-metastatic-breast-cancer
#12
Takuya Kawahara, Kojiro Shimozuma, Takeru Shiroiwa, Yasuhiro Hagiwara, Yukari Uemura, Takanori Watanabe, Naruto Taira, Takashi Fukuda, Yasuo Ohashi, Hirofumi Mukai
OBJECTIVE: To evaluate the effects of S-1, an orally administered 5-FU agent, versus taxane on patient-reported outcomes (PROs) in the SELECT BC trial. METHODS: Patients with HER2-negative and endocrine treatment-resistant breast cancer with metastasis or recurrence after surgery were randomly assigned to receive first-line taxane or S-1. PROs (secondary endpoint) were assessed using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) and Patient Neurotoxicity Questionnaire (PNQ) at baseline and at 3, 6, and 12 months...
November 17, 2017: Oncology
https://www.readbyqxmd.com/read/29136624/value-of-intraoperative-cytological-and-pathological-sentinel-lymph-node-diagnosis-in-fertility-sparing-trachelectomy-for-early-stage-cervical-cancer
#13
Kenzo Sonoda, Hideaki Yahata, Kaoru Okugawa, Eisuke Kaneki, Tatsuhiro Ohgami, Masafumi Yasunaga, Shingo Baba, Yoshinao Oda, Hiroshi Honda, Kiyoko Kato
BACKGROUND AND OBJECTIVES: Trachelectomy, a fertility-sparing surgery for early-stage cervical cancer, can be performed only when there is no extrauterine extension present. Therefore, identifying the sentinel lymph nodes (SLNs) and using them to obtain an intraoperative pathologic diagnosis can provide information on the feasibility and safety of trachelectomy. Our aim was to assess the value of an intraoperative SLN diagnosis. METHODS: We retrospectively analyzed the accuracy of intraoperative imprint cytology and frozen-section examination in 201 patients at our institution in whom trachelectomy was planned...
November 15, 2017: Oncology
https://www.readbyqxmd.com/read/29131021/a-novel-color-fluorescence-navigation-system-for-intraoperative-transcutaneous-lymphatic-mapping-and-resection-of-sentinel-lymph-nodes-in-breast-cancer-comparison-with-the-combination-of-gamma-probe-scanning-and-visible-dye-methods
#14
Norihiro Hokimoto, Takeki Sugimoto, Tsutomu Namikawa, Taku Funakoshi, Toyokazu Oki, Maho Ogawa, Hideo Fukuhara, Keiji Inoue, Takayuki Sato, Kazuhiro Hanazaki
BACKGROUND: This study evaluated the clinical efficacy of a novel imaging system (HyperEye Medical System [HEMS]; Mizuho Corp., Tokyo, Japan) that uses the near-infrared (NIR) fluorescence of indocyanine green to analyze sentinel lymph node (SLN) biopsies for the staging of breast cancer. METHODS: This study enrolled 91 patients with histologically confirmed breast cancer that was clinically node negative with a tumor size <3 cm. We compared SLN identification rates between HEMS and conventional methods (gamma probe scanning using a colloidal radioisotope [RI] and a blue dye method) by analyzing the relationships of lymphatic to axillary lesions and SLNs...
November 10, 2017: Oncology
https://www.readbyqxmd.com/read/29080886/patterns-of-relapse-after-definitive-chemoradiotherapy-in-stage-ii-iii-non-t4-esophageal-squamous-cell-carcinoma
#15
Kazuki Sudo, Ken Kato, Hiroki Kuwabara, Yusuke Sasaki, Naoki Takahashi, Hirokazu Shoji, Satoru Iwasa, Yoshitaka Honma, Natsuko T Okita, Atsuo Takashima, Tetsuya Hamaguchi, Yasuhide Yamada, Yoshinori Ito, Jun Itami, Takahiro Fukuda, Kensei Tobinai, Narikazu Boku
PURPOSE: The purpose of this study was to investigate the utility of surveillance after definitive chemoradiotherapy (dCRT) in patients with squamous cell carcinoma. METHODS: Patients who underwent dCRT for stage II/III (excluding T4) esophageal squamous cell carcinoma were analyzed. First failures following complete response were classified into luminal relapse (LR), regional relapse (RR), distant metastasis (DM), new cancer diagnosed by esophagogastroduodenoscopy (NC-E), and new cancer other than NC-E (NC-O)...
October 28, 2017: Oncology
https://www.readbyqxmd.com/read/29065416/bevacizumab-in-combination-with-platinum-based-chemotherapy-in-patients-with-advanced-non-squamous-non-small-cell-lung-cancer-with-or-without-brain-metastases-a-french-cohort-study-eole
#16
Jaafar Bennouna, Lionel Falchero, Roland Schott, Franck Bonnetain, Mathieu Coudert, Béchir Ben Hadj Yahia, Christos Chouaid
OBJECTIVES: The aim of this study was to describe the characteristics of patients receiving bevacizumab plus first-line metastatic chemotherapy for non-squamous advanced non-small cell lung cancer (aNSCLC), with or without brain metastases, in routine clinical practice. Other objectives were to describe treatment efficacy, modalities of use, and safety. METHODS: For this non-interventional, prospective, national, multicentre study, data were collected every 3 months over 18 months...
October 25, 2017: Oncology
https://www.readbyqxmd.com/read/29045948/impact-of-gastric-cancer-surgery-in-elderly-patients
#17
Tomoyuki Wakahara, Nozomi Ueno, Tetsuo Maeda, Kiyonori Kanemitsu, Takuro Yoshikawa, Shinobu Tsuchida, Akihiro Toyokawa
OBJECTIVES: This study aimed to investigate the validity of gastric cancer surgery in elderly patients. METHODS: A total of 544 patients who underwent elective gastrectomy for gastric cancer were divided into an elderly group (age ≥75 years, n = 171) and a control group (age <75 years, n = 373). The clinicopathological data of the patients were reviewed. RESULTS: The overall morbidity rate (26.3 vs. 16.1%, p = 0.005) and the incidence rate of anastomotic leakage (6...
October 19, 2017: Oncology
https://www.readbyqxmd.com/read/29040974/an-intergroup-randomized-phase-ii-study-of-bevacizumab-or-cetuximab-in-combination-with-gemcitabine-and-in-combination-with-chemoradiation-in-patients-with-resected-pancreatic-carcinoma-a-trial-of-the-ecog-acrin-cancer-research-group-e2204
#18
Jordan D Berlin, Yang Feng, Paul Catalano, James L Abbruzzese, Philip A Philip, Robert R McWilliams, Andrew M Lowy, Al B Benson Iii, A William Blackstock
OBJECTIVES: Evaluate toxicity of two treatment arms, A (cetuximab) and B (bevacizumab), when combined with gemcitabine, and chemoradiation in patients with completely resected pancreatic carcinoma. Secondary objectives included overall survival (OS) and disease-free survival (DFS). METHODS: Patients with R0/R1 resection were randomized 1:1 to cetuximab or bevacizumab administered in combination with gemcitabine for two treatment cycles. Next three cycles included concurrent cetuximab/bevacizumab plus chemoradiation, followed by one cycle of cetuximab/bevacizumab...
October 18, 2017: Oncology
https://www.readbyqxmd.com/read/29024931/brain-metastases-from-biliary-tract-cancer-a-monocentric-retrospective-analysis-of-450-patients
#19
Giorgio Frega, Ingrid Garajová, Andrea Palloni, Maria Aurelia Barbera, Marco Trossello Pastore, Luca Faccioli, Luca Spinardi, Stefania De Lorenzo, Marta Cubelli, Maria Abbondanza Pantaleo, Guido Biasco, Giovanni Brandi
OBJECTIVE: Brain metastases (BMs) from biliary tract cancer (BTC) are extremely rare. The aim of our study was to report the incidence of BMs in patients with BTC. METHODS: We retrospectively analyzed a series of 450 patients with BTC. Presence of brain lesions was investigated only when symptoms were evident. Cumulative incidence, median overall survival (OS) from detection of BMs, median OS from cancer diagnosis, and median time from cancer diagnosis to detection of BMs were evaluated...
October 13, 2017: Oncology
https://www.readbyqxmd.com/read/29017163/ptis-and-pt1a-ipsilateral-breast-tumor-recurrence-is-associated-with-good-prognosis-after-salvage-surgery
#20
Makoto Ishitobi, Reiko Fukui, Yoko Hashimoto, Nobuyoshi Kittaka, Takahiro Nakayama, Yasuhiro Tamaki
OBJECTIVES: Patients with ipsilateral breast tumor recurrence (IBTR) after breast-conserving surgery have a poor prognosis. There is little information regarding the prognostic impact of the tumor size in patients with IBTR. METHODS: A total of 143 patients who had histologically confirmed IBTR without distant metastases and who underwent salvage surgery between 1989 and 2013 in our hospital were included. Distant disease-free survival (DDFS) was calculated according to the invasive tumor size of IBTR...
October 11, 2017: Oncology
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