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https://www.readbyqxmd.com/read/28441383/the-oral-vegf-receptor-tyrosine-kinase-inhibitor-pazopanib-in-combination-with-the-mek-inhibitor-trametinib-in-advanced-cholangiocarcinoma
#1
Rachna T Shroff, Mark Yarchoan, Ashley O'Connor, Denise Gallagher, Marianna L Zahurak, Gary Rosner, Chimela Ohaji, Susan Sartorius-Mergenthaler, Vivek Subbiah, Ralph Zinner, Nilofer S Azad
BACKGROUND: Cholangiocarcinoma is an aggressive malignancy with limited therapeutic options. MEK inhibition and antiangiogenic therapies have individually shown modest activity in advanced cholangiocarcinoma, whereas dual inhibition of these pathways has not been previously evaluated. We evaluated the safety and efficacy of combination therapy with the oral VEGF receptor tyrosine kinase inhibitor pazopanib plus the MEK inhibitor trametinib in patients with advanced cholangiocarcinoma...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28440978/methylation-status-of-p16ink4a-in-human-papillomavirus-associated-cancer-of-oral-cavity-and-oropharynx-in-northeastern-thailand
#2
Piyawut Swangphon, Chamsai Pientong, Ati Burassakarn, Patravoot Vatanasapt, Pilaiwan Kleebkaow, Natcha Patarapadungkit, Thanabut Treebupachatsakul, Supannee Promthet, Bunkerd Kongyingyoes, Tipaya Ekalaksananan
Background: Over-expression of p16INK4a protein is a biomarker for human papillomavirus (HPV)-associated cervical cancer. However, absence of p16INK4a protein expression in HPV-associated cancer of the oral cavity and oropharynx has been reported. Among a number of possible reasons for this is methylation, which is frequently noted in the promoter region of p16INK4a and is associated with silencing of the gene and disease severity. Methods: We investigated the relationships between p16INK4a protein expression, HPV infection and methylation status of the p16INK4a promoter in cancers of the oral cavity and oropharynx...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440968/the-effects-of-active-hexose-correlated-compound-ahcc-on-levels-of-cd4-and-cd8-in-patients-with-epithelial-ovarian-cancer-or-peritoneal-cancer-receiving-platinum-based-chemotherapy
#3
Wineeya Suknikhom, Ruangsak Lertkhachonsuk, Tarinee Manchana
Background: Adjuvant chemotherapy is a required treatment for most patients with epithelial ovarian cancer (EOC) or peritoneal cancer. However, it has many adverse events which may affect oncologic outcomes. Active hexose correlated compound (AHCC) has been reported to be an immunoenhancer to decrease adverse events of chemotherapy. Materials and Methods: Patients were randomized and allocated to receive either AHCC three grams/day (500mg/ capsule) or placebo. These drugs were administrated as two capsules orally three times a day throughout six cycles of chemotherapy...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440689/self-assembled-hemoglobin-nanoparticles-for-improved-oral-photosensitizer-delivery-and-oral-photothermal-therapy-in-vivo
#4
Kaikai Wang, Gang Chen, Qi Hu, Yuqian Zhen, Huipeng Li, Jiao Chen, Bin Di, Yiqiao Hu, Minjie Sun, David Oupický
AIM: The aim of the present study was to use hemoglobin (Hb) nanoparticles (NPs) to improve oral bioavailability of a near-infrared dye IR780 for in vivo antitumor application in photothermal therapy. METHODS: One-step acid-denaturing method was used to encapsulate IR780 into self-assembled Hb NPs (IR780@Hb NPs). Pharmacokinetics, biodistribution and antitumor effect were studied in vivo. RESULTS: The Hb NPs showed high stability in enzymatic and acidic conditions similar to the gastric environment, and enhanced absorption of IR780 into the blood...
April 25, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28440465/5-furan-2-yl-4-3-4-5-trimethoxyphenyl-3h-1-2-dithiol-3-one-oxime-6f-a-new-synthetic-compound-causes-human-%C3%AF-brosarcoma-ht-1080-cell-apoptosis-by-disrupting-tubulin-polymerisation-and-inducing-g2-m-arrest
#5
Daiying Zuo, Lili Pang, Jiwei Shen, Qi Guan, Zhaoshi Bai, Huijuan Zhang, Yao Li, Guodong Lu, Weige Zhang, Yingliang Wu
In the current study, we synthesized a series of new compounds targeting tubulin and tested their anti-proliferative activities. Among these new synthetic com-pounds, 5-(furan-2-yl)-4-(3,4,5-trimethoxyphenyl)-3H-1,2-dithiol-3-one oxime (6f) exhibited significant anti-proliferative activity against different human cancer cell lines including human gastric adenocarcinoma SGC-7901, human non-small cell lung cancer A549, and human fibrosarcoma HT-1080. As a result, 6f was selected to further test the sensitivity to different cancer cell lines including human cervical cancer cell line HeLa, human breast cancer cell line MCF-7, non-small cell lung cancer cell line A549, human liver carcinoma cell line HepG-2, human oral squamous cell carcinoma cell lines KB, SGC-7901 and HT-1080...
April 18, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28440410/a-novel-notch3-mutation-identified-in-patients-with-oral-cancer-by-whole-exome-sequencing
#6
Yanjun Yi, Zhuowei Tian, Houyu Ju, Guoxin Ren, Jingzhou Hu
Oral cancer is a serious disease caused by environmental factors and/or susceptible genes. In the present study, in order to identify useful genetic biomarkers for cancer prediction and prevention, and for personalized treatment, we detected somatic mutations in 5 pairs of oral cancer tissues and blood samples using whole exome sequencing (WES). Finally, we confirmed a novel nonsense single-nucleotide polymorphism (SNP; chr19:15288426A>C) in the NOTCH3 gene with sanger sequencing, which resulted in a N1438T mutation in the protein sequence...
April 25, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28440202/oral-nano-delivery-systems-for-colon-targeting-therapy
#7
Tianxu Zhang, Guanyin Zhu, Boyao Lu, Qiang Peng
Targeting drug delivery is an attractive research area, as it enables localized treatment, improves the efficacy of therapeutics and reduces systemic toxicity. Colon targeting delivery is particularly beneficial to the treatment of colon diseases, such as inflammatory bowel disease and colon cancer, due to the improved local drug concentrations. The traditional strategies for colon targeting delivery include time-dependent and pH-dependent technologies, etc. In recent years, nanotechnology has emerged as a novel and efficient tool for targeting drug delivery...
April 24, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/28440100/detrimental-effects-of-nicotine-on-thioacetamide-induced-liver-injury-in-mice
#8
Zixiong Zhou, Surim Park, Jong Won Kim, Jing Zhao, Moo-Yeol Lee, Kyung Chul Choi, Chae Woong Lim, Bumseok Kim
AIM: Nicotine exerts a number of physiological effects. The purpose of this study was to determine the effects of nicotine on thioacetamide (TAA)-induced liver fibrosis in mice. MATERIALS AND METHODS: For in vivo experiments, hepatic fibrosis was induced by TAA (0.25 g/kg, i.p.) three times a week for 6 weeks. Mice of TAA treated groups were administered daily with distilled water and nicotine (50 or 100 μg/mL) via gastrogavage throughout the experimental period...
April 25, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28439738/prospective-open-uncontrolled-phase-i-study-to-define-a-well-tolerated-dose-of-oral-artesunate-as-add-on-therapy-in-patients-with-metastatic-breast-cancer-artic-m33-2
#9
Cornelia von Hagens, Ingeborg Walter-Sack, Maren Goeckenjan, Julia Osburg, Brigitte Storch-Hagenlocher, Serkan Sertel, Michael Elsässer, Bjoern Andrew Remppis, Lutz Edler, Judith Munzinger, Thomas Efferth, Andreas Schneeweiss, Thomas Strowitzki
PURPOSE: The antimalarial drug artesunate (ART) is a promising candidate for cancer treatment as it displays anticancer effects in various models. While in short-term treatment of malaria, an excellent safety profile has been found for ART, the potential long-term treatment of cancer patients demands a phase I dose-finding clinical trial determining the daily ART dose which would be well tolerated as add-on therapy. METHODS: Patients with metastatic breast cancer were to receive either 100 or 150 or 200 mg oral ART daily as add-on to their guideline-based oncological therapy for a study period of four weeks with frequent clinical and laboratory monitoring until 4-8 weeks thereafter...
April 24, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28439670/residual-recurrent-nerve-paralysis-after-esophagectomy-is-associated-with-preoperative-lower-serum-albumin
#10
Makoto Miyamoto, Yoshiki Kobayashi, Eri Miyata, Tomofumi Sakagami, Masao Yagi, Akira Kanda, Taku Michiura, Koichi Tomoda
Esophagectomy for esophageal cancer is invasive thoracic surgery with a high incidence rate of postoperative complications and prolongation of hospitalization, even if the standardized clinical pathway improves the outcome (mortality and morbidity). Postoperative recurrent nerve paralysis (RNP) is related to respiratory complications concomitant with prolonged hospitalization. However, it has not been elucidated which factors affect the incidence and recovery of RNP. To detect the predictive factor for postoperative RNP, we focused on preoperative serum albumin...
April 24, 2017: Dysphagia
https://www.readbyqxmd.com/read/28439444/airway-management-of-patients-undergoing-oral-cancer-surgery-a-retrospective-analysis-of-156-patients
#11
Sapna Annaji Nikhar, Ashima Sharma, Mahesh Ramdaspally, Ramachandran Gopinath
OBJECTIVE: Oral cancer patients have a potentially difficult airway, but if managed properly during the perioperative period, morbidity and mortality can be reduced or avoided. METHODS: The medical records of 156 patients who were operated for oral cancers were reviewed for airway management during the perioperative period. RESULTS: The surgical procedures ranged from excisions, wide local excisions with split skin graftings, hemiglossectomies and radical neck nodes dissections to pectoralis major myocutaneous or free fibular flaps...
April 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28439324/contemporary-diagnostic-imaging-of-oral-squamous-cell-carcinoma-a-review-of-literature
#12
REVIEW
Paulina Pałasz, Łukasz Adamski, Magdalena Górska-Chrząstek, Anna Starzyńska, Michał Studniarek
Oral squamous cell carcinoma (OSCC) is the most common cancer of the oral cavity and constitutes 95% of all cancers of this area. Men are affected twice as commonly as women, primarily if they are over 50 years of age. Forty percent of the lesions are localized in the tongue and 30% in the floor of the oral cavity. OSCC often affects upper and lower gingiva, buccal mucous membrane, the retromolar triangle and the palate. The prognosis is poor and the five-year survival rate ranges from 20% (OSCC in the floor of the mouth) to 60% (OSCC in the alveolar part of the mandible)...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28439154/analysis-of-survival-rates-following-primary-surgery-of-178-consecutive-patients-with-oral-cancer-in-a-large-district-general-hospital
#13
Panagiotis Stathopoulos, William P Smith
PURPOSE: The aim of this study is to present the survival rates in patients treated for oral cancer with primary surgery in a large district general hospital. We discuss the influence of the most significant prognostic factors on survival and compare our results with larger centres specializing in the management of oral cancer. METHODS: All patients diagnosed with oral cancer from 1995 to 2006 and were treated in the Department had their details entered prospectively onto a computerized database...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439153/supraclavicular-metastases-from-distant-primary-solid-tumours-a-retrospective-study-of-41%C3%A2-years
#14
Keyvan Sagheb, Asina Manz, Stefan B Albrich, Katherine J Taylor, Georg Hess, Christian Walter
OBJECTIVES: Approximately 1 % of all malignant solid tumours of the head and neck area are metastases from primary tumours beneath the clavicles. The aim of this study was to analyse the distribution of primary tumours since meta-analyses might have been biased due to the usually extraordinary character of case reports. MATERIALS AND METHODS: All patient files from 1970 to 2012 from the Oral and Maxillofacial Surgery unit at a University Hospital were analysed regarding the existence of metastases to the head and neck area from distant primaries...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28438879/definitive-intensity-modulated-radiation-therapy-in-elderly-patients-with-locally-advanced-oropharyngeal-cancer
#15
Francesca DE Felice, Alessandro Galdieri, Gessica Abate, Nadia Bulzonetti, Daniela Musio, Vincenzo Tombolini
BACKGROUND: To evaluate the treatment tolerance and clinical outcomes in patients aged 70 years and older with locally advanced oropharyngeal cancer treated by definitive intensity-modulated radiation therapy (IMRT). PATIENTS AND METHODS: We retrospectively analyzed 15 consecutive elderly patients, with histologically-proven squamous cell carcinoma of the oropharynx, staged T3-4 with or without involved lymph nodes at diagnosis, who received definitive sequential IMRT (70 Gy; 2 Gy/fraction)...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28438551/development-of-a-buccal-doxepin-platform-for-pain-in-oral-mucositis-derived-from-head-and-neck-cancer-treatment
#16
Roser Sanz, Ana C Calpena, Mireia Mallandrich, Álvaro Gimeno, Lyda Halbaut, Beatriz Clares
This study describes the development of semisolid formulations containing doxepin (DOX) for pain relief in oral mucositis, frequently related to chemotherapy and/or radiotherapy treatments in patients with head and neck cancer. Chemical permeation enhancers were evaluated and selected according to the results obtained from rheological studies, drug release, permeation and retention through buccal mucosa. Finally, the selected formulation was compared in vivo, with a reference DOX mouthwash, whose clinical efficacy had been previously reported...
April 21, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28438434/connective-tissue-growth-factor-decreases-mitochondrial-metabolism-through-ubiquitin-mediated-degradation-of-mitochondrial-transcription-factor-a-in-oral-squamous-cell-carcinoma
#17
Wei-Ting Lai, Yue-Ju Li, Shi-Bei Wu, Cheng-Ning Yang, Tai-Sheng Wu, Yau-Huei Wei, Yi-Ting Deng
BACKGROUND/PURPOSE: Deregulation of metabolic pathways is one of the hallmarks of cancer progression. Connective tissue growth factor (CTGF/CCN2) acts as a tumor suppressor in oral squamous cell carcinoma (OSCC). However, the role of CTGF in modulating cancer metabolism is still unclear. METHODS: OSCC cells stably overexpressing CTGF (SAS/CTGF) and shRNA against CTGF (TW2.6/shCTGF) were established. Oxygen consumption rate (OCR) and extracellular acidification rate (ECAR) were examined by the Seahorse XF24 analyzer...
April 21, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28438297/investigating-a-case-of-possible-field-cancerization-in-oral-squamous-cell-carcinoma-by-the-use-of-next-generation-sequencing
#18
Siavosh Tabatabaeifar, Martin J Larsen, Stine R Larsen, Torben A Kruse, Mads Thomassen, Jens A Sørensen
OBJECTIVES: Local recurrence and the development of second primary tumors (SPT) are important factors that can influence the survival rate of oral squamous cell carcinoma (OSCC) patients. We investigate the concept of field cancerization which proposes that normal tissue adjacent to the primary tumor harbor pre-neoplastic alterations that can lead to the development of local recurrence and SPTs. MATERIALS AND METHODS: To examine the concept of field cancerization, we applied whole-exome and targeted ultra-deep sequencing on 5 freshly frozen samples from a stage III OSCC patient from three tumor sites, lymph node metastasis and blood...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438290/programmed-death-ligand-1-pd-l1-expression-and-tumor-microenvironment-implications-for-patients-with-oral-precancerous-lesions
#19
Takahiro Yagyuu, Kinta Hatakeyama, Mitsuhiko Imada, Miyako Kurihara, Yumiko Matsusue, Kazuhiko Yamamoto, Chiho Obayashi, Tadaaki Kirita
OBJECTIVES: Cancer immunoediting represents a relatively novel concept attempting to explain the process of tumor escape from the host immune system response. Here, we attempted to elucidate the role of programmed death ligand 1 (PD-L1), the tumor microenvironment, and tumor escape mechanisms that allow malignant transformation of oral precancerous lesions. MATERIALS AND METHODS: Patients with oral precancerous lesions managed at the Nara Medical University Hospital, Japan, (n=120) were enrolled in this study...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438288/novel-quantitative-analysis-of-autofluorescence-images-for-oral-cancer-screening
#20
Tze-Ta Huang, Jehn-Shyun Huang, Yen-Yun Wang, Ken-Chung Chen, Tung-Yiu Wong, Yi-Chun Chen, Che-Wei Wu, Leong-Perng Chan, Yi-Chu Lin, Yu-Hsun Kao, Shoko Nioka, Shyng-Shiou F Yuan, Pau-Choo Chung
OBJECTIVES: VELscope® was developed to inspect oral mucosa autofluorescence. However, its accuracy is heavily dependent on the examining physician's experience. This study was aimed toward the development of a novel quantitative analysis of autofluorescence images for oral cancer screening. MATERIALS AND METHODS: Patients with either oral cancer or precancerous lesions and a control group with normal oral mucosa were enrolled in this study. White light images and VELscope® autofluorescence images of the lesions were taken with a digital camera...
May 2017: Oral Oncology
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