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Cost Anticancer drugs

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https://www.readbyqxmd.com/read/28618001/three-dimensional-cell-culture-models-for-anticancer-drug-screening-worth-the-effort
#1
REVIEW
Eddy-Tim Verjans, Jordi Doijen, Walter Luyten, Bart Landuyt, Liliane Schoofs
High attrition of new oncology drug candidates in clinical trials is partially caused by the poor predictive capacity of artificial monolayer cell culture assays early in drug discovery. Monolayer assays do not take the natural three-dimensional (3D) microenvironment of cells into account. As a result, false positive compounds often enter clinical trials, leading to high dropout rates and a waste of time and money. Over the past two decades, tissue engineers and cell biologists have developed a broad range of 3D in vitro culturing tools that better represent in vivo cell biology...
June 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28590754/multilevel-approaches-within-the-local-pair-natural-orbital-framework
#2
Manuel Sparta, Marius Retegan, Peter Pinski, Christoph Riplinger, Ute Becker, Frank Neese
The linear-scaling local coupled cluster method DLPNO-CCSD(T) allows calculations on systems containing hundreds of atoms to be performed while reproducing canonical CCSD(T) energies typically with chemical accuracy (< 1 kcal/mol). The accuracy of the method is determined by two main truncation thresholds that control the number of electron pairs included in the CCSD iterations and the size of the pair natural orbital virtual space for each electron pair, respectively. While the results of DLPNO-CCSD(T) calculations converge smoothly towards their canonical counterparts as the thresholds are tightened, the improved accuracy is accompanied by a fairly steep increase of the computational cost...
June 7, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28576074/in-vitro-and-in-vivo-evaluation-of-anti-cancer-activity-shape-dependent-properties-of-tio2-nanostructures
#3
T Sree Latha, Madhava C Reddy, Shankar V Muthukonda, Vadali V S S Srikanth, Dakshayani Lomada
Cancer is a complex and widespread disease, and it is going to be the first cause of death in the world. Chemotherapy has been used to treat cancer, but it is detrimental to immune cells and known to induce numerous side effects. Therefore it is imperative to develop new drugs for the treatment of cancer without any side effects and toxicity. TiO2 nanomaterials are human safe, cost effective, chemically stable and have numerous biomedical applications. Spherical TiO2 fine particles (TFP), TiO2 nanosquares (TNS) and TiO2 nanotubes (TNT) were developed and evaluated for anti-cancer activity in vitro and in vivo...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28559763/financial-toxicity-of-cancer-drugs-possible-remedies-from-an-ethical-perspective
#4
Georg Marckmann, Jürgen In der Schmitten
Spiraling costs of cancer treatments have become a major concern for the payers in the health care system and for individual patients suffering from the cancer drugs' financial toxicity. This article discusses possible solutions from an ethical perspective. First, it gives some orientation about what constitutes a fair price for innovative anticancer agents. While a definitive answer remains difficult, there are good reasons to enter into price negotiations with the pharmaceutical companies to align the price with the R&D costs and the added value of the product...
May 2017: Breast Care
https://www.readbyqxmd.com/read/28551924/-adherence-to-oral-anti-cancer-drugs-in-hemato-oncology
#5
Sarit Ashkenazi, Juliet Dreyer, Pia Raanani, Avi Leader
Non-adherence to medical treatment is prevalent in the context of potentially life-saving treatment for diseases such as cancer. Estimates of non-adherence to oral anti-cancer therapy range between 27% and 63% in studies of cancer patients. This represents a growing challenge, due to the paradigm shift in anti-cancer treatment from parenteral chemotherapy to oral anti-cancer drugs. The importance of adherence to medical treatment is highlighted by the World Health Organization which considers non-adherence to be a major public health concern...
April 2017: Harefuah
https://www.readbyqxmd.com/read/28551413/applying-the-chicken-embryo-chorioallantoic-membrane-assay-to-study-treatment-approaches-in-urothelial-carcinoma
#6
Margaretha A Skowron, Anuja Sathe, Andrea Romano, Michèle J Hoffmann, Wolfgang A Schulz, Gommert A van Koeveringe, Peter Albers, Roman Nawroth, Günter Niegisch
BACKGROUND: Rapid development of novel treatment options demands valid preclinical screening models for urothelial carcinoma (UC). The translational value of high-throughput drug testing using 2-dimensional (2D) cultures is limited while for xenograft models handling efforts and costs often become prohibitive for larger-scale drug testing. Therefore, we investigated to which extent the chicken chorioallantoic membrane (CAM) assay might provide an alternative model to study antineoplastic treatment approaches for UC...
May 25, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28541791/subsidies-for-oral-chemotherapy-and-use-of-immunomodulatory-drugs-among-medicare-beneficiaries-with-myeloma
#7
Adam J Olszewski, Stacie B Dusetzina, Charles B Eaton, Amy J Davidoff, Amal N Trivedi
Purpose The low-income subsidy (LIS) substantially lowers out-of-pocket costs for qualifying Medicare Part D beneficiaries who receive orally administered chemotherapy. We examined the association of LIS with the use of novel oral immunomodulatory drugs (IMiDs; lenalidomide and thalidomide) among beneficiaries with myeloma, who can receive either orally administered or parenteral (bortezomib-based) therapy. Methods Using SEER-Medicare data, we identified Part D beneficiaries diagnosed with myeloma in 2007 to 2011...
May 25, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28535103/value-frameworks-for-the-patient-provider-interaction-a-comparison-of-the-asco-value-framework-versus-nccn-evidence-blocks-in-determining-value-in-oncology
#8
Bijal Shah-Manek, Joseph S Galanto, Huong Nguyen, Robert Ignoffo
BACKGROUND: To address the rising concern about oncology drug costs, the American Society of Clinical Oncology (ASCO) and the National Comprehensive Cancer Network (NCCN) recently developed unique tools to help providers and patients make informed decisions about the value of an anticancer regimen. The ASCO Value Framework (AVF) allows users to generate a net health benefit (NHB) score along with drug acquisition costs for oncology regimens that have been compared in a prospective randomized clinical trial...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28532117/optimization-for-extracellular-biosynthesis-of-silver-nanoparticles-by-penicillium-aculeatum-su1-and-their-antimicrobial-activity-and-cytotoxic-effect-compared-with-silver-ions
#9
Liang Ma, Wei Su, Jian-Xin Liu, Xiao-Xi Zeng, Zhi Huang, Wen Li, Zheng-Chun Liu, Jian-Xin Tang
The present study addresses an eco-friendly and energy-saving method for extracellular biosynthesis of silver nanoparticles (AgNPs) using a cell free filtrate of the fungus strain Penicillium aculeatum Su1 as a reducing agent. Parametric optimization of the biosynthesis process demonstrated different effects on the size, distribution, yield, and synthesis rate of biosynthesized AgNPs. The transmission electron microscopy (TEM) measurements demonstrated that AgNPs were spherical or approximately spherical, with a size between 4 and 55nm...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28520456/development-and-validation-of-a-micellar-liquid-chromatographic-method-to-determine-three-antitumorals-in-plasma
#10
Josep Esteve Romero, Jaume Albiol Chiva, Juan Peris-Vicente, Enrique Ochoa-Aranda
AIM: A micellar liquid chromatographic method to determine several anticancer drugs (pazopanib, dabrafenib and regorafenib) in plasma was developed and validated by the guidelines of the EMA. EXPERIMENTAL: Plasma samples were directly injected, after a 1/5-dilution in a micellar solution. The drugs were resolved in <18 min using a C18 column. The mobile phase was an aqueous solution of 0.12 M SDS - 2% 1-pentanol, buffered at pH 7. The detection was performed by absorbance at 260 nm...
May 18, 2017: Bioanalysis
https://www.readbyqxmd.com/read/28501691/biosynthesis-and-characterization-of-copper-oxide-nanoparticles-and-its-anticancer-activity-on-human-colon-cancer-cell-lines-hct-116
#11
V Gnanavel, V Palanichamy, Selvaraj Mohana Roopan
The eco-friendly synthesis of nanoparticles through green route from plant extracts have renowned a wide range of application in the field of modern science, due to increased drug efficacy and less toxicity in the nanosized mediated drug delivery model. In the present study, our research groups have biosynthesized the stable and cost effective copper oxide nanoparticles (CuO NPs) from the leaves of (Ormocarpum cochinchinense) O. cochinchinense. The synthesis of crystalline CuO NPs from the leaf extract of O...
June 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28485129/evaluation-of-algorithms-to-identify-incident-cancer-cases-by-using-french-health-administrative-databases
#12
Aya Ajrouche, Candice Estellat, Yann De Rycke, Florence Tubach
PURPOSE: Administrative databases are increasingly being used in cancer observational studies. Identifying incident cancer in these databases is crucial. This study aimed to develop algorithms to estimate cancer incidence by using health administrative databases and to examine the accuracy of the algorithms in terms of national cancer incidence rates estimated from registries. METHODS: We identified a cohort of 463 033 participants on 1 January 2012 in the Echantillon Généraliste des Bénéficiaires (EGB; a representative sample of the French healthcare insurance system)...
May 9, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28482701/looking-to-the-future-and-learning-lessons-from-the-recent-past-changing-stakeholder-perceptions-of-biosimilars-in-cancer
#13
Won Seog Kim, Michinori Ogura, Hyuk-Chan Kwon, Dasom Choi
As the patents for many biologic anticancer drugs expire, significant growth in the use of biosimilars is predicted, offering an opportunity to help combat the rising costs of treatment and increase patient access to biologic therapy. Attainment of regulatory approval, involving numerous nonclinical and clinical comparative studies versus each reference product, is only one of several barriers to realize the potential gains offered by biosimilars. It is important to understand the current perceptions and informational needs of different stakeholders if biosimilars are to be accepted and widely used in the clinic...
May 2017: Future Oncology
https://www.readbyqxmd.com/read/28471711/rising-prices-of-targeted-oral-anticancer-medications-and-associated-financial-burden-on-medicare-beneficiaries
#14
Ya-Chen Tina Shih, Ying Xu, Lei Liu, Fabrice Smieliauskas
Purpose The high cost of oncology drugs threatens the affordability of cancer care. Previous research identified drivers of price growth of targeted oral anticancer medications (TOAMs) in private insurance plans and projected the impact of closing the coverage gap in Medicare Part D in 2020. This study examined trends in TOAM prices and patient out-of-pocket (OOP) payments in Medicare Part D and estimated the actual effects on patient OOP payments of partial filling of the coverage gap by 2012. Methods Using SEER linked to Medicare Part D, 2007 to 2012, we identified patients who take TOAMs via National Drug Codes in Part D claims...
May 4, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28454046/preliminary-investigation-of-catalytic-antioxidant-anticancer-and-bactericidal-activity-of-green-synthesized-silver-and-gold-nanoparticles-using-actinidia-deliciosa
#15
Saraschandra Naraginti, Yi Li
Herein we report a rapid low cost one step green synthetic method using Actinidia deliciosa fruit extract for preparation of stable and multifunctional silver and gold nanoparticles. The synthesized nanoparticles were successfully used as green catalysts for the reduction of 4-nitrophenol (4-NP) and methylene blue (MB). The enhanced biological activity of the prepared nanoparticles was investigated based on its highly stable antioxidant, anticancer and bactericidal effects. TEM micrographs showed that the silver nanoparticles (AgNPs) formed were predominantly spherical in shape having diameters ranging from 25 to 40nm, while gold nanoparticles (AuNPs) shown particle size ranges from 7 to 20nm...
May 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28435252/polyphenol-nanoformulations-for-cancer-therapy-experimental-evidence-and-clinical-perspective
#16
REVIEW
Yasamin Davatgaran-Taghipour, Salar Masoomzadeh, Mohammad Hosein Farzaei, Roodabeh Bahramsoltani, Zahra Karimi-Soureh, Roja Rahimi, Mohammad Abdollahi
Cancer is defined as the abnormal cell growth that can cause life-threatening malignancies with high financial costs for patients as well as the health care system. Natural polyphenols have long been used for the prevention and treatment of several disorders due to their antioxidant, anti-inflammatory, cytotoxic, antineoplastic, and immunomodulatory effects discussed in the literature; thus, these phytochemicals are potentially able to act as chemopreventive and chemotherapeutic agents in different types of cancer...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28433721/optimizing-the-restored-chemotactic-behavior-of-anticancer-agent-salmonella-enterica-serovar-typhimurium-vnp20009
#17
Katherine M Broadway, Seungbeum Suh, Bahareh Behkam, Birgit E Scharf
Bacteria, including strains of Salmonella, have been researched and applied as therapeutic cancer agents for centuries. Salmonella are particularly of interest due to their facultative anaerobic nature, facilitating colonization of differentially oxygenated tumor regions. Additionally, Salmonella can be manipulated with relative ease, resulting in the ability to attenuate the pathogen or engineer vectors for drug delivery. It was recently discovered that the anti-cancer Salmonella enterica serovar Typhimurium strain VNP20009 is lacking in chemotactic ability, due to a non-synonymous single nucleotide polymorphism in cheY...
April 20, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28393575/using-circulating-cell-free-dna-to-monitor-personalized-cancer-therapy
#18
Michael Oellerich, Ekkehard Schütz, Julia Beck, Philipp Kanzow, Piers N Plowman, Glen J Weiss, Philip D Walson
High-quality genomic analysis is critical for personalized pharmacotherapy in patients with cancer. Tumor-specific genomic alterations can be identified in cell-free DNA (cfDNA) from patient blood samples and can complement biopsies for real-time molecular monitoring of treatment, detection of recurrence, and tracking resistance. cfDNA can be especially useful when tumor tissue is unavailable or insufficient for testing. For blood-based genomic profiling, next-generation sequencing (NGS) and droplet digital PCR (ddPCR) have been successfully applied...
May 2017: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/28359243/redox-biotransformation-and-delivery-of-anthracycline-anticancer-antibiotics-how-interpretable-structure-activity-relationships-of-lethality-using-electrophilicity-and-the-london-formula-for-dispersion-interaction-work
#19
Siu-Kwong Pang
Quantum chemical methods and molecular mechanics approaches face a lot of challenges in drug metabolism study because of their either insufficient accuracy or huge computational cost, or lack of clear molecular level pictures for building computational models. Low-cost QSAR methods can often be carried out even though molecular level pictures are not well defined; however, they show difficulty in identifying the mechanisms of drug metabolism and delineating the effects of chemical structures on drug toxicity because a certain amount of molecular descriptors are difficult to be interpreted...
March 30, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28316026/zebrafish-as-a-model-to-evaluate-peptide-related-cancer-therapies
#20
REVIEW
Austin Y Shull, Chien-An A Hu, Yong Teng
Peptide-derived drug discovery has experienced a remarkable resurgence in the past decade since the failure of small-molecule modulators to effectively access the large binding surfaces of intracellular protein-protein interactions as well as "undruggable" residues of certain disease-driving proteins. However, the effectiveness of peptide-based cancer therapies is being questioned in light of declines in pharmaceutical R&D efficiency. As a model of whole organism, zebrafish provide a means to develop promising peptide and protein anticancer agents in an informative, cost-effective and time-efficient manner, which also allows for surveying mechanisms of drug action and optimization of drug delivery system...
March 18, 2017: Amino Acids
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