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https://www.readbyqxmd.com/read/28448887/macro-raman-spectroscopy-for-bulk-composition-and-homogeneity-analysis-of-multi-component-pharmaceutical-powders
#1
Hui Wang, David Barona, Sulayman Oladepo, Lisa Williams, Susan Hoe, David Lechuga-Ballesteros, Reinhard Vehring
A new macro-Raman system equipped with a motorized translational sample stage and low-frequency shift capabilities was developed for bulk composition and homogeneity analysis of multi-component pharmaceutical powders. Different sampling methods including single spot and scanning measurement were compared. It was found that increasing sample volumes significantly improved the precision of quantitative composition analysis, especially for poorly mixed powders. The multi-pass cavity of the macro-Raman system increased effective sample volumes by 20 times from the sample volume defined by the collection optics, i...
April 23, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28448784/a-motivational-interviewing-intervention-by-pharmacy-students-to-improve-medication-adherence
#2
Susan Abughosh, Xin Wang, Omar Serna, Tara Esse, Amanda Mann, Santhi Masilamani, Marcia McDonnell Holstad, Ekere James Essien, Marc Fleming
BACKGROUND: Diabetes mellitus (DM) patients with comorbid hypertension (HTN) are at a higher risk of developing microvascular and macrovascular DM complications. Through guideline-driven recommendations, angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are highly recommended for these patients. Unfortunately, medication adherence to these products, though crucial to achieving therapeutic benefit, is frequently suboptimal. Motivational interviewing (MI) is a patient-centered collaborative communication style that is used to strengthen internal motivation for change that may prove effective in enhancing adherence...
May 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28448783/effectiveness-of-a-clinical-pharmacist-medication-therapy-management-program-in-discontinuation-of-drugs-to-avoid-in-the-elderly
#3
Nicole Caffiero, Thomas Delate, Mercy D Ehizuelen, Kris Vogel
BACKGROUND: Despite evidence of fall risk associated with some drugs to avoid in the elderly (DAEs), many aged patients continue to receive them. OBJECTIVE: To assess the effectiveness of a clinical pharmacist medication therapy management program (MTM) on discontinuation of prescribed DAEs. METHODS: This was a retrospective cohort study conducted at an integrated health care delivery system. Kaiser Permanente Colorado beneficiaries aged ≥65 years who were MTM-eligible and targeted for a DAE dispensing between 01/01/2015 and 09/30/2015 were included in the observation group...
May 2017: Journal of Managed Care & Specialty Pharmacy
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/28448778/economic-impact-of-above-label-dosing-with-etanercept-adalimumab-or-ustekinumab-in-patients-with-psoriasis
#5
Steven R Feldman, Yang Zhao, Huanxue Zhou, Vivian Herrera, Haijun Tian, Yunfeng Li
BACKGROUND: Patients with moderate-to-severe psoriasis may be treated with above-label doses of biologics in an attempt to optimize outcomes. Dose escalation will have an effect on the cost of treatment. OBJECTIVE: To examine costs related to above-label use of etanercept, adalimumab, and ustekinumab among patients with moderate-to-severe psoriasis. METHODS: A retrospective study was performed using a large U.S. claims database. Patients were included in the study if they were aged ≥ 18 years with a diagnosis of psoriasis (excluding psoriatic arthritis) and had at least 1 medication fill for etanercept, adalimumab, or ustekinumab between January 1, 2011, and June 30, 2012...
May 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28448774/letter-the-authors-respond
#6
Kibum Kim, Robert J DiDomenico, Daniel R Touchette, Surrey M Walton
None of the authors of this study are involved in financial or personal relationships with agencies, institutions, or organizations that inappropriately influenced the statistical analysis plan or interpretation of the study results. DiDomenico received an honorarium from Amgen for the preparation of a heart failure drug monograph for Pharmacy Practice News and was a coinvestigator on funded research for the Patient-Centered Outcomes Research Institute. DiDomenico also serves as an advisory board member for a heart failure program at Otsuka America Pharmaceuticals and as an advisory board member at Novartis Pharmaceuticals...
May 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28448746/pharmaceutical-chemicals-steroids-and-xenoestrogens-in-water-sediments-and-fish-from-the-tidal-freshwater-potomac-river-virginia-usa
#7
Golala Arya, Sara Tadayon, James Sadighian, Jennifer Jones, Kim de Mutsert, Thomas B Huff, Gregory D Foster
Selected pharmaceutical chemicals, steroids and xenoestrogens (PCSXs) consisting of 29 endocrine modulators, therapeutic drugs, pesticides, detergents, plastics, and active ingredients in household products were measured in water, riverbed sediments and fish collected in a tributary embayment of the Potomac River (Hunting Creek, Alexandria, VA, USA) in the vicinity of wastewater discharge. A total of 17 PCSXs were found in the Hunting Creek samples, with steroid hormones (e.g., progesterone and 17α-ethinylestradiol), triclosan, dextromethorphan and bisphenol A being the most prominent micropollutants detected...
April 27, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28448468/transcriptome-analysis-of-core-dinoflagellates-reveals-a-universal-bias-towards-gc-rich-codons
#8
Ernest Williams, Allen Place, Tsvetan Bachvaroff
Although dinoflagellates are a potential source of pharmaceuticals and natural products, the mechanisms for regulating and producing these compounds are largely unknown because of extensive post-transcriptional control of gene expression. One well-documented mechanism for controlling gene expression during translation is codon bias, whereby specific codons slow or even terminate protein synthesis. Approximately 10,000 annotatable genes from fifteen "core" dinoflagellate transcriptomes along a range of overall guanine and cytosine (GC) content were used for codonW analysis to determine the relative synonymous codon usage (RSCU) and the GC content at each codon position...
April 27, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28448237/regulatory-t-cell-therapy-for-uveitis-a-new-promising-challenge
#9
Arnaud Foussat, Sylvie Gregoire, Nathalie Clerget-Chossat, Celine Terrada, Hélène Asnagli, François M Lemoine, David Klatzmann, Phuc LeHoang, Miguel Forte, Bahram Bodaghi
Uveitis is a sight-threatening primary intraocular inflammation of various origins in mainly young and active patients. Due to the absence of biomarkers in most of the cases, the current treatment of noninfectious entities remains nonspecific, using corticosteroids, conventional immunosuppressors, and more recently biological agents. Identification of regulatory T cells in different models of autoimmune uveitis together with the evaluation of this important subpopulation in different entities paved the way for new therapeutic strategies, in addition to exclusive pharmaceutical approaches...
May 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28448055/transient-expression-and-cellular-localization-of-recombinant-proteins-in-cultured-insect-cells
#10
Jeffrey A Fabrick, J Joe Hull
Heterologous protein expression systems are used for the production of recombinant proteins, the interpretation of cellular trafficking/localization, and the determination of the biochemical function of proteins at the sub-organismal level. Although baculovirus expression systems are increasingly used for protein production in numerous biotechnological, pharmaceutical, and industrial applications, nonlytic systems that do not involve viral infection have clear benefits but are often overlooked and underutilized...
April 20, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28448027/dry-powder-and-nebulized-aerosol-inhalation-of-pharmaceuticals-delivered-to-mice-using-a-nose-only-exposure-system
#11
Jonathan E Phillips, Xuxia Zhang, James A Johnston
Obstructive respiratory diseases like asthma and chronic obstructive pulmonary disease (COPD) are currently treated by inhaled anti-inflammatory and bronchodilator drugs. Despite the availability of multiple treatments, both diseases are growing public health concerns. The majority of asthma patients are well controlled on current inhaled therapies but a substantial number of patients with severe asthma are not. Asthma affects an estimated 300 million people worldwide and approximately 20 percent have a severe form of the disease...
April 6, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28448011/turbidimetry-on-human-washed-platelets-the-effect-of-the-pannexin1-inhibitor-brilliant-blue-fcf-on-collagen-induced-aggregation
#12
Filippo Molica, Séverine Nolli, Pierre Fontana, Brenda Renata Kwak
Turbidimetry is a laboratory technique that is applied to measure the aggregation of platelets suspended in either plasma (platelet-rich plasma, PRP) or in buffer (washed platelets), by the use of one or a combination of agonists. The use of washed platelets separated from their plasma environment and in the absence of anticoagulants allows for studying intrinsic platelet properties. Among the large panel of agonists, arachidonic acid (AA), adenosine di-phosphate (ADP), thrombin and collagen are the most frequently used...
April 6, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447477/simultaneous-visualization-of-hydrogen-peroxide-and-water-concentrations-using-photofragmentation-laser-induced-fluorescence
#13
Kajsa Larsson, Marcus Aldén, Joakim Bood
A concept based on photofragmentation laser-induced fluorescence (PFLIF) is for the first time demonstrated for simultaneous detection of hydrogen peroxide (H2O2) and water (H2O) vapor in various mixtures containing the two constituents in a bath of argon gas. A photolysis laser pulse at 248 nm dissociates H2O2 into OH fragments, whereupon a probe pulse, delayed 100 ns and tuned to an absorption line in the A(2)Σ(+) (v = 1) ← X(2)Π(v = 0) band of OH near 282 nm, induces fluorescence. The total OH fluorescence reflects the H2O2 concentration, while its spectral shape is utilized to determine the H2O concentration via a model predicting the ratio between the fluorescence intensities of the A(2)Σ(+) (v = 1) → X(2)Π(v = 1) and the A(2)Σ(+) (v = 0) → X(2)Π(v = 0) bands...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28447451/improvement-of-a-p450-based-recombinant-e-coli-whole-cell-system-for-the-production-of-oxygenated-sesquiterpene-derivatives
#14
Thuy Thi Bich Ly, Alexander Schifrin, Bach Duc Nguyen, Rita Bernhardt
Sesquiterpenes are common constituents of essential oil in plants. Their oxygenated derivatives often possess desirable flavor, fragrant and pharmaceutical properties. Recently, the CYP264B1-based recombinant E. coli whole-cell system has been constructed for the oxidation of sesquiterpenes. However, limiting factors of this system related to the high volatility of substrates and the suitability of the P450 redox partner need to be addressed. In this work, the improvement of the system was implemented with (+)-α-longipinene as a model substrate...
April 27, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28447017/in-sickness-and-in-health-clinical-research-and-social-media
#15
REVIEW
Saswata Ray
In this "digital age," the model of healthcare is changing rapidly, primarily in the area of communication that is happening among the major stakeholders each minute. Patients, being the central point of the importance of all the work and development, are more empowered than ever with information from various sources, among which social media is leading from the front. This article reviews how social media engages healthcare service providers, service seekers, and regulatory authorities. If the gaps in the current regulations are filled, better healthcare outputs can be triggered...
April 2017: Perspectives in Clinical Research
https://www.readbyqxmd.com/read/28447016/deriving-meaningful-insights-from-clinical-trial-and-postmarketing-safety-data-perspectives-from-india
#16
REVIEW
Anand Harugeri, Vineet Shastri, Chanakya Patel
Today, drug safety data collection in India is both manual and electronic with reporting of potential overlapping and duplicate data, which is likely incomplete for further review and analysis. Furthermore, standardized data collection and timelines are not aligned with international standards. Complete coverage of safety data from all sources throughout the life of the drug cannot be ensured. There is no requirement to submit periodic safety data in clinical trials to regulatory authority. There is clearly a lack of emphasis on deriving meaningful safety data insights for ensuring patient safety...
April 2017: Perspectives in Clinical Research
https://www.readbyqxmd.com/read/28445938/pirfenidone-normalizes-the-tumor-microenvironment-to-improve-chemotherapy
#17
Christiana Polydorou, Fotios Mpekris, Panagiotis Papageorgis, Chrysovalantis Voutouri, Triantafyllos Stylianopoulos
Normalization of the tumor microenvironment by selectively targeting components of the tumor extracellular matrix has been recently proposed to have the potential to decompress tumor blood vessels, increase vessel perfusion and thus, improve drug delivery and the efficacy of cancer therapy. Therefore, we now need to identify safe and well tolerated pharmaceutical agents that are able to remodel the microenvironment of solid tumors and enhance chemotherapy. In this study, we repurposed Pirfenidone, a clinically approved anti-fibrotic drug for the treatment of idiopathic pulmonary fibrosis, to investigate its possible role on tumor microenvironment normalization...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445767/the-visualized-macrocycles-chemistry-and-application-of-fluorophore-tagged-cyclodextrins
#18
Gábor Benkovics, Milo Malanga, Éva Fenyvesi
Cyclodextrins are macrocyclic molecules able to form host-guest complexes due to their hydrophobic cavity. Because of their carbohydrate nature they do not absorb light in the UV-vis region (200-800nm), but they can be converted into spectroscopically active compounds via modification with a chromophore unit. Among the chromophores, the group of fluorophores can provide high sensitivity in analytical applications (chemosensing) and low detection limit in optical imaging methods (fluorescent microscopy). Fluorophore-tagged cyclodextrins therefore combine interesting spectroscopic properties with promising supramolecular features which make these conjugates widely applicable in various pharmaceutical fields...
April 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28445765/in-line-monitoring-and-optimization-of-powder-flow-in-a-simulated-continuous-process-using-transmission-near-infrared-spectroscopy
#19
Md Anik Alam, Zhenqi Shi, James K Drennen, Carl A Anderson
In-line monitoring of continuous powder flow is an integral part of the continuous manufacturing process of solid oral dosage forms in the pharmaceutical industry. Specifically, monitoring downstream from loss-in-weight (LIW) feeders and/or continuous mixers provides important data about the state of the process. Such measurements support control of the process and thereby enhance product quality. Near Infrared Spectroscopy (NIRS) is a potential PAT tool to monitor the homogeneity of a continuous powder flow stream in pharmaceutical manufacturing...
April 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28445526/biosynthesis-of-the-oxygenated-diterpene-nezukol-in-the-medicinal-plant-isodon-rubescens-is-catalyzed-by-a-pair-of-diterpene-synthases
#20
Kyle A Pelot, David M Hagelthorn, J Bennett Addison, Philipp Zerbe
Plants produce an immense diversity of natural products (i.e. secondary or specialized metabolites) that offer a rich source of known and potentially new pharmaceuticals and other desirable bioproducts. The Traditional Chinese Medicinal plant Isodon rubescens (Lamiaceae) contains an array of bioactive labdane-related diterpenoid natural products. Of these, the ent-kauranoid oridonin is the most prominent specialized metabolite that has been extensively studied for its potent antimicrobial and anticancer efficacy...
2017: PloS One
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