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https://www.readbyqxmd.com/read/28454359/modeling-nasopharyngeal-carcinoma-in-three-dimensions
#1
Prabu Siva Sankar, Mohd Firdaus Che Mat, Kalaivani Muniandy, Benedict Lian Shi Xiang, Phang Su Ling, Susan Ling Ling Hoe, Alan Soo-Beng Khoo, Nethia Mohana-Kumaran
Nasopharyngeal carcinoma (NPC) is a type of cancer endemic in Asia, including Malaysia, Southern China, Hong Kong and Taiwan. Treatment resistance, particularly in recurring cases, remains a challenge. Thus, studies to develop novel therapeutic agents are important. Potential therapeutic compounds may be effectively examined using two-dimensional (2D) cell culture models, three-dimensional (3D) spheroid models or in vivo animal models. The majority of drug assessments for cancers, including for NPC, are currently performed with 2D cell culture models...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454111/cost-and-cost-effectiveness-of-adjuvant-trastuzumab-in-the-real-world-setting-a-study-of-the-southeast-netherlands-breast-cancer-consortium
#2
Shanly C Seferina, Bram Lt Ramaekers, Maaike de Boer, M Wouter Dercksen, Franchette van den Berkmortel, Roel Jw van Kampen, Agnès J van de Wouw, Adri C Voogd, Vivianne Cg Tjan Heijnen, Manuela A Joore
BACKGROUND: We assessed the real world costs and cost-effectiveness of the addition of trastuzumab in HER2 positive early breast cancer compared to chemotherapy alone in the Dutch daily practice as opposed to the results based on trial data and based on a subset of patients that were treated according to the guidelines. PATIENTS AND METHODS: In a cohort study, we included all patients with stage I-III invasive breast cancer treated with curative intent in 5 Dutch hospitals between 2005 and 2007 (n=2684)...
April 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28453615/do-patient-access-schemes-for-high-cost-cancer-drugs-deliver-value-to-society-lessons-from-the-nhs-cancer-drugs-fund
#3
A Aggarwal, T Fojo, C Chamberlain, C Davis, R Sullivan
Background: The NHS Cancer Drugs Fund (CDF) was established in 2010 to reduce delays and improve access to cancer drugs, including those that had been previously appraised but not approved by NICE (National Institute for Health and Care Excellence). After 1.3 billion GBP expenditure, a UK parliamentary review in 2016 rationalized the CDF back into NICE. Methods: This paper analyses the potential value delivered by the CDF according to six value criteria. This includes validated clinical benefits scales, cost-effectiveness criteria as defined by NICE and an assessment of real-world data...
April 27, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28453507/genetic-cancer-risk-assessment-for-breast-cancer-in-latin-america
#4
Yanin Chavarri-Guerra, Kathleen Reilly Blazer, Jeffrey Nelson Weitzel
In Latin America, breast cancer is the most common malignancy in women, and limited available data suggest that up to 15% of all breast cancer cases in the region are hereditary. Genetic cancer risk assessment and counseling is a critical component of the appropriate clinical care of patients with hereditary breast cancer and their families. Unfortunately, genetic services are underdeveloped across Latin America, and access to genetic testing and counseling is very scarce in the region. Barriers contributing to the access to genetic care are high cost and lack of insurance coverage for genetic tests, insufficient oncogenetics training or expertise, nonexistence of genetic counseling as a clinical discipline, and lack of supportive healthcare policies...
March 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28453504/the-epidemiological-challenges-of-breast-cancer-among-premenopausal-women-in-limited-resource-settings
#5
Gabriela Torres-Mejía, Edgar Navarro-Lechuga, Rafael de Jesús Tuesca-Molina, Angélica Ángeles-Llerenas
Breast cancer is the most common malignant tumor among women of reproductive age and is also the most costly according to European reports. In this context, the aim of the present review is to identify factors that make breast cancer in premenopausal women an epidemiological challenge in developing countries. Epidemiological aspects of breast cancer, including risk factors, early detection methods, and treatment, are addressed. Breast cancer in premenopausal women should be included in the political and strategic agendas in developing countries to direct the necessary resources for prevention, detection, and control...
March 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28453440/median-analysis-of-repeated-measures-associated-with-recurrent-events-in-presence-of-terminal-event
#6
Rajeshwari Sundaram, Ling Ma, Subhashis Ghoshal
Recurrent events are often encountered in medical follow up studies. In addition, such recurrences have other quantities associated with them that are of considerable interest, for instance medical costs of the repeated hospitalizations and tumor size in cancer recurrences. These processes can be viewed as point processes, i.e. processes with arbitrary positive jump at each recurrence. An analysis of the mean function for such point processes have been proposed in the literature. However, such point processes are often skewed, leading to median as a more appropriate measure than the mean...
April 28, 2017: International Journal of Biostatistics
https://www.readbyqxmd.com/read/28448856/impact-of-a-risk-based-follow-up-in-patients-affected-by-gastrointestinal-stromal-tumour
#7
Lorenzo D'Ambrosio, Erica Palesandro, Paola Boccone, Francesco Tolomeo, Sara Miano, Danilo Galizia, Antonio Manca, Gabriele Chiara, Ilaria Bertotto, Filippo Russo, Delia Campanella, Tiziana Venesio, Dario Sangiolo, Ymera Pignochino, Dimitrios Siatis, Michele De Simone, Alessandro Ferrero, Alberto Pisacane, Angelo Paolo Dei Tos, Sandra Aliberti, Massimo Aglietta, Giovanni Grignani
BACKGROUND: Follow-up aims to precociously identify recurrences, metastases or treatment-related adverse events so as to undertake the appropriate therapy. Guidelines admit lack of knowledge on optimal surveillance schedule, but suggest follow-up based on experts' opinion and risk stratification. To identify the impact, if any, of regular follow-up, we interrogated our prospectively collected database whether early detection of recurrences affected both clinical management and, likely, the outcome...
April 24, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28448747/a-hierarchical-bayesian-design-for-randomized-phase-ii-clinical-trials-with-multiple-groups
#8
Jun Yin, Rui Qin, Daniel J Sargent, Charles Erlichman, Qian Shi
Enhanced knowledge of the biological and genetic basis of cancer is re-defining target population for new treatments. In oncology, potential targets for a new therapeutic agent often include various solid and hematologic malignancies that share common signaling pathways. New agents are often tested in multiple tumor types across which information can be borrowed. We propose a hierarchical Bayesian design (HBD) to simultaneously test a novel agent in multiple groups for randomized phase II clinical trials with binary endpoints...
April 27, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/28448587/collection-of-cell-free-dna-for-genomic-analysis-of-solid-tumors-in-a-clinical-laboratory-setting
#9
Christopher K Raymond, Jennifer Hernandez, Reynold Karr, Kay Hill, Mark Li
The breadth of diagnostic procedures that utilize cell free DNA (cfDNA) from human plasma has increased dramatically in recent years. Here, we confirm that tumor-derived cfDNA fragments are similar in size distribution to cfDNA derived from normal tissues. Therefore, collection procedures optimized with healthy donor specimens are likely to be applicable to the diagnosis and monitoring of many different cancer types. We verify that the distribution and DNA sequences of fragmentation sites in cfDNA from both normal-germline and tumor-derived cfDNA are non-random...
2017: PloS One
https://www.readbyqxmd.com/read/28448556/a-highly-specific-and-sensitive-massive-parallel-sequencer-based-test-for-somatic-mutations-in-non-small-cell-lung-cancer
#10
Yoshiaki Inoue, Jun Shiihara, Hitoshi Miyazawa, Hiromitsu Ohta, Megumi Higo, Yoshiaki Nagai, Kunihiko Kobayashi, Yasuo Saijo, Masanori Tsuchida, Mitsuo Nakayama, Koichi Hagiwara
Molecular targeting therapy for non-small cell lung cancer (NSCLC) has clarified the importance of mutation testing when selecting treatment regimens. As a result, multiple-gene mutation tests are urgently needed. We developed a next-generation sequencer (NGS)-based, multi-gene test named the MINtS for investigating driver mutations in both cytological specimens and snap-frozen tissue samples. The MINtS was used to investigate the EGFR, KRAS, BRAF genes from DNA, and the ERBB2, and the ALK, ROS1, and RET fusion genes from RNA...
2017: PloS One
https://www.readbyqxmd.com/read/28447861/screening-and-early-detection-of-oral-cancer-current-controversies
#11
Leonardo Victor Galvão-Moreira, Maria Carmen Fontoura Nogueira Da Cruz
Some evidence suggests that the early detection of oral cancer (OC) during surveillance might improve survival rates. In addition to this, interventions aimed at enhancing public awareness and knowledge of signs, symptoms and risk factors of OC are thought to decrease the burden of disease. Nevertheless, there is much controversy with regard to the cost-effectiveness of population-based strategies for OC screening. Here, we present and briefly discuss timely findings that have put under scrutiny the applicability of approaches targeted at the early identification of patients with OC...
April 27, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28447726/a-three-caller-pipeline-for-variant-analysis-of-cancer-whole-exome-sequencing-data
#12
Ze-Kun Liu, Yu-Kui Shang, Zhi-Nan Chen, Huijie Bian
Rapid advancements in next generation sequencing (NGS) technologies, coupled with the dramatic decrease in cost, have made NGS one of the leading approaches applied in cancer research. In addition, it is increasingly used in clinical practice for cancer diagnosis and treatment. Somatic (cancer‑only) single nucleotide variants and small insertions and deletions (indels) are the simplest classes of mutation, however, their identification in whole exome sequencing data is complicated by germline polymorphisms, tumor heterogeneity and errors in sequencing and analysis...
March 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447326/ct-colonography-role-in-fobt-based-screening-programs-for-colorectal-cancer
#13
REVIEW
Lapo Sali, Grazia Grazzini, Mario Mascalchi
Computed tomographic colonography (CTC) is a minimally invasive imaging examination for the colon, and is safe, well tolerated and accurate for the detection of colorectal cancer (CRC) and advanced adenoma. While the role of CTC as a primary test for population screening of CRC is under investigation, the fecal occult blood test (FOBT) has been recommended for population screening of CRC in Europe. Subjects with positive FOBT are invited to undergo total colonoscopy, which has some critical issues, such as suboptimal compliance, contraindications and the possibility of an incomplete exploration of the colon...
April 26, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28447241/abbreviated-breast-dynamic-contrast-enhanced-mr-imaging-for-lesion-detection-and-characterization-the-experience-of-an-italian-oncologic-center
#14
Antonella Petrillo, Roberta Fusco, Mario Sansone, Marilena Cerbone, Salvatore Filice, Annamaria Porto, Maria Rosaria Rubulotta, Massimiliano D'Aiuto, Franca Avino, Maurizio Di Bonito, Gerardo Botti
BACKGROUND: To evaluate the performance of an abbreviated dynamic contrast-enhanced MR imaging (MRI) protocol for breast cancer detection; a comparison with the complete diagnostic protocol has been conducted. METHODS: A retrospective analysis on 508 patients was performed. Abbreviated protocol (AP) included one pre-contrast and the first post-contrast T1-weighted series. Complete protocol (CP) consisted of four post-contrast and one pre-contrast T1-weighted series...
April 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28446970/the-role-of-endobronchial-ultrasound-versus-mediastinoscopy-for-non-small-cell-lung-cancer
#15
REVIEW
Katarzyna Czarnecka-Kujawa, Kazuhiro Yasufuku
This review provides an update on the current role of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and mediastinoscopy (Med) in assessment of patients with non-small cell lung cancer (NSCLC). Invasive mediastinal lymph node (LN) staging is the major application for both of these techniques. Up until recently, Med was the gold standard for invasive mediastinal LN staging in NSCLC. However, EBUS-TBNA has shown to be equivalent, and in some studies better than Med for invasive staging of lung cancer...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28446532/next-generation-sequencing-ngs-analysis-on-single-circulating-tumor-cells-ctcs-with-no-need-of-whole-genome-amplification-wga
#16
Raffaele Palmirotta, Domenica Lovero, Erica Silvestris, Claudia Felici, Davide Quaresmini, Paola Cafforio, Franco Silvestris
BACKGROUND: Isolation and genotyping of circulating tumor cells (CTCs) is gaining an increasing interest by clinical researchers in oncology not only for investigative purposes, but also for concrete application in clinical practice in terms of diagnosis, prognosis and decision treatment with targeted therapies. For the mutational analysis of single CTCs, the most advanced biotechnology methodology currently available includes the combination of whole genome amplification (WGA) followed by next-generation sequencing (NGS)...
May 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28446009/applications-of-microfluidic-devices-for-urology
#17
REVIEW
Se Jik Han, Hun-Kuk Park, Kyung Sook Kim
Microfluidics is considered an important technology that is suitable for numerous biomedical applications, including cancer diagnosis, metastasis, drug delivery, and tissue engineering. Although microfluidics is still considered to be a new approach in urological research, several pioneering studies have been reported in recent years. In this paper, we reviewed urological research works using microfluidic devices. Microfluidic devices were used for the detection of prostate and bladder cancer and the characterization of cancer microenvironments...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28445943/a-molecular-inversion-probe-based-next-generation-sequencing-panel-to-detect-germline-mutations-in-chinese-early-onset-colorectal-cancer-patients
#18
Junxiao Zhang, Xiaoyan Wang, Richarda M de Voer, Jayne Y Hehir-Kwa, Eveline J Kamping, Robbert D A Weren, Marcel Nelen, Alexander Hoischen, Marjolijn J L Ligtenberg, Nicoline Hoogerbrugge, Xiangling Yang, Zihuan Yang, Xinjuan Fan, Lei Wang, Huanliang Liu, Jianping Wang, Roland P Kuiper, Ad Geurts van Kessel
The currently known Mendelian colorectal cancer (CRC) predisposition syndromes account for ~5-10% of all CRC cases, and are caused by inherited germline mutations in single CRC predisposing genes. Using molecular inversion probes (MIPs), we designed a targeted next-generation sequencing panel to identify mutations in seven CRC predisposing genes: APC, MLH1, MSH2, MSH6, PMS2, MUTYH and NTHL1. From a consecutive series of 2,371 Chinese CRC patients, 140 familial and non-familial cases were selected that were diagnosed with CRC at or below the age of 35 years...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444872/saving-costs-through-a-coordinated-care-model-for-patients-with-hepatocellular-cancer
#19
Tsai-Wing Ow, Lucy Ralton, Edmund Tse
BACKGROUND: In keeping with recent trends, patients with hepatocellular cancer have had their care managed by a dedicated Nurse Coordinator at our tertiary Australian hospital since 2010. To date, there is little data to justify the cost-effectiveness of this approach. AIMS: The aim of this study is to quantify the potential cost saved through the employment of a Nurse Coordinator into the management of patients with hepatocellular carcinoma at a single tertiary-level Australian hospital...
April 26, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28443923/use-of-alcl3-in-friedel-crafts-arylation-type-reactions-and-beyond-an-overview-on-the-development-of-unique-methodologies-leading-to-n-heteroarenes
#20
REVIEW
Rajnikanth Sunke, Suresh Babu Nallapati, Jetta Sandeep Kumar, K Shiva Kumar, Manojit Pal
As a privileged class of heterocyclic compounds N-heteroarenes have found enormous applications in many areas including medicinal/pharmaceutical chemistry and drug discovery. Consequently, a wide variety of methods have been reported for their synthesis. While not free from their own limitations the AlCl3 mediated methods appeared to have some particular advantages in preparing a number of useful N-heteroarenes. Besides the famous Friedel-Crafts (FC) alkylation/acylation reactions one such example is AlCl3-induced heteroarylation of arenes and heteroarenes (FC arylation type reactions) that can be used to prepare a certain class of N-heteroarenes in an operationally simple, efficient and cost effective manner...
April 26, 2017: Organic & Biomolecular Chemistry
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