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https://www.readbyqxmd.com/read/28454057/application-of-2d-nmr-with-room-temperature-nmr-probes-for-the-assessment-of-the-higher-order-structure-of-filgrastim
#1
Robert G Brinson, Houman Ghasriani, Derek J Hodgson, Kristie M Adams, Ian McEwen, Darón I Freedberg, Kang Chen, David A Keire, Yves Aubin, John P Marino
The higher order structure (HOS) of biotherapeutics is a critical quality attribute that can be evaluated by nuclear magnetic resonance (NMR) spectroscopy at atomic resolution. NMR spectral mapping of HOS can be used to establish HOS consistency of a biologic across manufacturing changes or to compare a biosimilar to an innovator reference product. A previous inter-laboratory study performed using filgrastim drug products demonstrated that two-dimensional (2D)-NMR (1)H(N)-(15)N(H) heteronuclear correlation spectroscopy is a highly robust and precise method for mapping the HOS of biologic drugs at natural abundance using high sensitivity NMR 'cold probes...
April 4, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28453640/pioneering-topological-methods-for-network-based-drug-target-prediction-by-exploiting-a-brain-network-self-organization-theory
#2
Claudio Durán, Simone Daminelli, Josephine M Thomas, V Joachim Haupt, Michael Schroeder, Carlo Vittorio Cannistraci
The bipartite network representation of the drug-target interactions (DTIs) in a biosystem enhances understanding of the drugs' multifaceted action modes, suggests therapeutic switching for approved drugs and unveils possible side effects. As experimental testing of DTIs is costly and time-consuming, computational predictors are of great aid. Here, for the first time, state-of-the-art DTI supervised predictors custom-made in network biology were compared-using standard and innovative validation frameworks-with unsupervised pure topological-based models designed for general-purpose link prediction in bipartite networks...
April 26, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28449353/how-excluding-some-benefits-from-value-assessment-of-new-drugs-impacts-innovation
#3
Joseph P Cook, Joseph Golec
Payers often assess the benefits of new drugs relative to costs for reimbursement purposes, but they frequently exclude some drugs' option-related benefits, reducing their reimbursement chances, and making them less attractive R&D investments. We develop and test a real options model of R&D investment that shows that excluding option-related benefits heightens drug developers' incentives to avoid high-risk (volatile) R&D investments and instead encourages them to focus on "safer" (positively skewed) investments...
April 27, 2017: Health Economics
https://www.readbyqxmd.com/read/28448782/amcp-partnership-forum-driving-value-and-outcomes-in-oncology
#4
(no author information available yet)
Innovation in cancer treatment has provided a wealth of recently available therapeutic agents and a healthy drug pipeline that promises to change the way we approach this disease and the lives of those affected in the years to come. However, the majority of these new agents, many of which are targeted to specific genomic features of various tumors, may challenge the health care system's ability to afford cancer care. This innovation drives the need to focus on the value of the treatments provided to patients with cancer and on methods to optimize the efficiency of the dollars we spend, in addition to the clinical value itself...
May 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28448780/integration-strategies-of-pharmacists-in-primary-care-based-accountable-care-organizations-a-report-from-the-accountable-care-organization-research-network-services-and-education
#5
Tina Joseph, Genevieve M Hale, Sara M Eltaki, Yesenia Prados, Renee Jones, Matthew J Seamon, Cynthia Moreau, Stephanie A Gernant
BACKGROUND: The accountable care organization (ACO) is an innovative health care delivery model centered on value-based care. ACOs consisting of primary care providers are increasingly becoming commonplace in practice; however, medication management remains suboptimal. PROGRAM DESCRIPTION: As experts in medication management, pharmacists perform direct patient care and assist in the transition from one provider to another, which places them in an ideal position to manage multiple aspects of patient care...
May 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28448014/an-efficient-and-flexible-cell-aggregation-method-for-3d-spheroid-production
#6
Sarah M Maritan, Eric Y Lian, Lois M Mulligan
Monolayer cell culture does not adequately model the in vivo behavior of tissues, which involves complex cell-cell and cell-matrix interactions. Three-dimensional (3D) cell culture techniques are a recent innovation developed to address the shortcomings of adherent cell culture. While several techniques for generating tissue analogues in vitro have been developed, these methods are frequently complex, expensive to establish, require specialized equipment, and are generally limited by compatibility with only certain cell types...
March 27, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28446974/stents-for-airway-strictures-selection-and-results
#7
REVIEW
Adil Ayub, Adnan M Al-Ayoubi, Faiz Y Bhora
Airway stents can provide effective and timely relief in patients with central airway obstruction. Silicone based stents are the most commonly used airway stents worldwide with a long track record of safety. Metallic stents continue to evolve from the earliest uncovered versions to a variety of newly designed covered stents. Despite the availability of a variety of stent materials and designs, minimal advances have been made towards innovation in stent technology and an ideal stent has unfortunately not yet been developed...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28446674/broadening-cd4-and-cd8-t-cell-responses-against-hepatitis-c-virus-by-vaccination-with-ns3-overlapping-peptide-panels-in-cross-priming-liposomes
#8
Jonathan Filskov, Marianne Mikkelsen, Paul R Hansen, Jan P Christensen, Allan R Thomsen, Peter Andersen, Jens Bukh, Else Marie Agger
Despite the introduction of effective drugs to treat patients with chronic hepatitis C virus (HCV) infection, a vaccine would be the only means to substantially reduce the worldwide disease burden. An incomplete understanding of how HCV interacts with its human host and evades immune surveillance has hampered vaccine development. It is generally accepted that in infected individuals, a narrow repertoire of exhausted T cells is a hallmark of persistent infection, whereas broad vigorous CD4(+) and CD8(+) T cell responses are associated with control of acute hepatitis C...
April 26, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28445930/opioids-modulators-of-angiogenesis-in-wound-healing-and-cancer
#9
REVIEW
Martina Ondrovics, Andrea Hoelbl-Kovacic, Daniela Alexandra Fux
Opioids are potent drugs that are widely used to control wound or cancer pain. Increasing evidence suggest that opioids mediate clinically relevant effects that go beyond their classical role as analgesics. Of note, opioids appear to modulate angiogenesis - a process that is critical in wound healing and cancer progression. In this review, we focus on pro- and anti-angiogenic facets of opioids that arise from the activation of individual opioid receptors and the usage of individual concentrations or application routes...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445611/equivalence-of-complex-drug-products-advances-in-and-challenges-for-current-regulatory-frameworks
#10
Leonie Hussaarts, Stefan Mühlebach, Vinod P Shah, Scott McNeil, Gerrit Borchard, Beat Flühmann, Vera Weinstein, Sesha Neervannan, Elwyn Griffiths, Wenlei Jiang, Elena Wolff-Holz, Daan J A Crommelin, Jon S B de Vlieger
Biotechnology and nanotechnology provide a growing number of innovator-driven complex drug products and their copy versions. Biologics exemplify one category of complex drugs, but there are also nonbiological complex drug products, including many nanomedicines, such as iron-carbohydrate complexes, drug-carrying liposomes or emulsions, and glatiramoids. In this white paper, which stems from a 1-day conference at the New York Academy of Sciences, we discuss regulatory frameworks in use worldwide (e.g., the U...
April 26, 2017: Annals of the New York Academy of Sciences
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
#11
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
https://www.readbyqxmd.com/read/28443522/legal-and-organisational-innovation-in-the-italian-pharmacy-system-commercial-vs-public-interest
#12
Alceste Santuari
Pharmacy services are undoubtedly an important part of primary care. Pharmacists are entrepreneurs and simultaneously they are entrusted with a public mission in the health care sector. Pharmacies then reflect a contrast between a commercial/economic objective and public interest, which is to be identified with citizens' universal right to health care services. This is the reason why in Italy, as in many other EU countries, pharmacies supply their services according to a prior authorisation granted by public authorities...
April 26, 2017: Health Economics, Policy, and Law
https://www.readbyqxmd.com/read/28442906/a-review-of-drug-delivery-systems-based-on-nanotechnology-and-green-chemistry-green-nanomedicine
#13
REVIEW
Hossein Jahangirian, Ensieh Ghasemian Lemraski, Thomas J Webster, Roshanak Rafiee-Moghaddam, Yadollah Abdollahi
This review discusses the impact of green and environmentally safe chemistry on the field of nanotechnology-driven drug delivery in a new field termed "green nanomedicine". Studies have shown that among many examples of green nanotechnology-driven drug delivery systems, those receiving the greatest amount of attention include nanometal particles, polymers, and biological materials. Furthermore, green nanodrug delivery systems based on environmentally safe chemical reactions or using natural biomaterials (such as plant extracts and microorganisms) are now producing innovative materials revolutionizing the field...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28442293/effect-of-appropriate-combination-therapy-on-mortality-of-patients-with-bloodstream-infections-due-to-carbapenemase-producing-enterobacteriaceae-increment-a-retrospective-cohort-study
#14
Belén Gutiérrez-Gutiérrez, Elena Salamanca, Marina de Cueto, Po-Ren Hsueh, Pierluigi Viale, José Ramón Paño-Pardo, Mario Venditti, Mario Tumbarello, George Daikos, Rafael Cantón, Yohei Doi, Felipe Francisco Tuon, Ilias Karaiskos, Elena Pérez-Nadales, Mitchell J Schwaber, Özlem Kurt Azap, Maria Souli, Emmanuel Roilides, Spyros Pournaras, Murat Akova, Federico Pérez, Joaquín Bermejo, Antonio Oliver, Manel Almela, Warren Lowman, Benito Almirante, Robert A Bonomo, Yehuda Carmeli, David L Paterson, Alvaro Pascual, Jesús Rodríguez-Baño
BACKGROUND: The best available treatment against carbapenemase-producing Enterobacteriaceae (CPE) is unknown. The objective of this study was to investigate the effect of appropriate therapy and of appropriate combination therapy on mortality of patients with bloodstream infections (BSIs) due to CPE. METHODS: In this retrospective cohort study, we included patients with clinically significant monomicrobial BSIs due to CPE from the INCREMENT cohort, recruited from 26 tertiary hospitals in ten countries...
April 21, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28442170/platinum-palladium-gold-and-ruthenium-complexes-as-anticancer-agents-current-clinical-uses-cytotoxicity-studies-and-future-perspectives
#15
REVIEW
Tatjana Lazarević, Ana Rilak, Živadin D Bugarčić
Metallodrugs offer potential for unique mechanism of drug action based on the choice of the metal, its oxidation state, the types and number of coordinated ligands and the coordination geometry. This review illustrates notable recent progress in the field of medicinal bioinorganic chemistry as many new approaches to the design of innovative metal-based anticancer drugs are emerging. Current research addressing the problems associated with platinum drugs has focused on other metal-based therapeutics that have different modes of action and on prodrug and targeting strategies in an effort to diminish the side-effects of cisplatin chemotherapy...
April 18, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28441962/acceptability-of-a-mobile-health-intervention-to-enhance-hiv-care-coordination-for-patients-with-substance-use-disorders
#16
Ryan P Westergaard, Andrew Genz, Kristen Panico, Pamela J Surkan, Jeanne Keruly, Heidi E Hutton, Larry W Chang, Gregory D Kirk
BACKGROUND: Persons living with HIV and substance use disorders face barriers to sustained engagement in medical care, leading to suboptimal antiretroviral treatment outcomes. Innovative mobile technology tools such as customizable smartphone applications have the potential to enhance existing care coordination programs, but have not been rigorously studied. METHODS: We developed and implemented a two-component intervention consisting of peer health navigation supported by a smartphone application conducting ecologic momentary assessment (EMA) of barriers to care and medication adherence...
April 26, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28439847/the-role-of-the-fda-and-regulatory-approval-of-new-devices-for-diabetes-care
#17
REVIEW
Shelley A Jazowski, Aaron N Winn
PURPOSE OF REVIEW: The Food and Drug Administration (FDA) is responsible for assuring the safety, effectiveness, and quality of medical devices in the USA. Extensive review times coupled with the demand for necessary treatments have prompted the policymakers to implement measures to speed medical devices to market.The purpose of this review is to summarize the evolution of the regulatory pathways through which medical devices utilized in diabetes care gain market access. RECENT FINDINGS: Regulatory pathways, ranging from premarket notification to premarket approval, require distinct, yet necessary ("least burdensome") evidence demonstrating a device's safety and effectiveness...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28439087/3d-microfluidic-model-for-evaluating-immunotherapy-efficacy-by-tracking-dendritic-cell-behaviour-toward-tumor-cells
#18
Stefania Parlato, Adele De Ninno, Rosa Molfetta, Elena Toschi, Debora Salerno, Arianna Mencattini, Giulia Romagnoli, Alessandra Fragale, Lorenzo Roccazzello, Maria Buoncervello, Irene Canini, Enrico Bentivegna, Mario Falchi, Francesca Romana Bertani, Annamaria Gerardino, Eugenio Martinelli, Corrado Natale, Rossella Paolini, Luca Businaro, Lucia Gabriele
Immunotherapy efficacy relies on the crosstalk within the tumor microenvironment between cancer and dendritic cells (DCs) resulting in the induction of a potent and effective antitumor response. DCs have the specific role of recognizing cancer cells, taking up tumor antigens (Ags) and then migrating to lymph nodes for Ag (cross)-presentation to naïve T cells. Interferon-α-conditioned DCs (IFN-DCs) exhibit marked phagocytic activity and the special ability of inducing Ag-specific T-cell response. Here, we have developed a novel microfluidic platform recreating tightly interconnected cancer and immune systems with specific 3D environmental properties, for tracking human DC behaviour toward tumor cells...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28438600/neurotrophin-receptors-in-the-pathogenesis-diagnosis-and-therapy-of-neurodegenerative-diseases
#19
REVIEW
Jacopo Meldolesi
In the last few years, exciting properties have emerged regarding the activation, signaling, mechanisms of action, and therapeutic targeting of the two types of neurotrophin receptors: the p75(NTR) with its intracellular and extracellular peptides, the Trks, their precursors and their complexes. This review summarizes these new developments, with particular focus on neurodegenerative diseases. Based on the evolving knowledge, innovative concepts have been formulated regarding the pathogenesis of these diseases, especially the Alzheimer's and two other, the Parkinson's and Huntington's diseases...
April 21, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28438231/health-technology-assessment-in-evaluation-of-pharmaceuticals-in-the-czech-republic
#20
Lenka Vostalová, Jana Mazelová, Jiří Samek, Milan Vocelka
OBJECTIVES: In the Czech Republic, the health technology assessment (HTA) approaches have been implemented in evaluation of medicinal products since 2008. The aim of this study was to provide an overview of the implementation of HTA and different levels thereof in the evaluation process conducted by the State Institute for Drug Control (SUKL) and to describe the impact of HTA on the entrance of new medicinal entities into out-patient healthcare system including highly innovative and orphan drugs...
April 25, 2017: International Journal of Technology Assessment in Health Care
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