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https://www.readbyqxmd.com/read/30118723/challenges-and-innovations-of-delivering-medicines-to-older-adults
#1
REVIEW
Danijela Gnjidic, Andy Husband, Adam Todd
Older adults with multimorbidity, polypharmacy, and complex health needs are the major consumer of health care. Ensuring that medicines are used safely, effectively, and delivered efficiently in this population is challenging. In this context, the approach to medicines delivery should seek to overcome some of the difficulties of delivering medicines to older people, and ensure each medication is delivered by the optimal and most convenient route for the patient in question. However, this poses significant obstacles, as the development of medicines suitable for use in older populations does not often account for complex health needs, potential challenges in relation to drug disposition, safety of excipients and limitations with practical usability of dosage forms...
August 14, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/30117404/discover-patent-landscape-of-two-photon-polymerization-technology-for-the-production-of-3d-nano-structure-using-claim-based-approach
#2
Chia-Wei Jui, Amy J C Trappey, Chien-Chung Fu
Nanotechnology, like 3D printing, is one of the richest fields in research and progress in the past few years. Two Photon Polymerization (TPP) technology allows the 3D printing of nanoscale objects, so the nanoscale additive manufacturing has been no longer the thing in the future. This research investigates related US patent documents through the claim-based approach. By virtue of systematic analysis of the claims of patent documents, we can explicitly define technical features of patent document and the accurate patent classification, monitor the direction of enterprises' patent application portfolio and effectively grasp the trend of technological development of important manufacturers related to this technology...
August 17, 2018: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/30113041/innovative-hptlc-method-with-fluorescence-detection-for-assessment-of-febuxostat-montelukast-combination-and-study-of-their-protective-effects-against-gouty-arthritis
#3
Noha M Hosny, Noha N Atia, Samia M El-Gizawy, Dalia M Badary, Mohammad S Hareedy
The present study was designed to evaluate the potential protective effects of the cysteinyl leukotriene receptor blocker montelukast (MNK) and the xanthine oxidase inhibitor febuxostat (FBX) and their combination on a model of acute gouty arthritis induced by intraarticular injection of monourate sodium crystal (MUC) injection in rats. Additionally, we established an HPTLC method for the quantitative determination of both drugs simultaneously and applied this method to detect this combination in rat plasma...
August 16, 2018: Analyst
https://www.readbyqxmd.com/read/30112646/multipurpose-efficacy-of-the-lyophilized-cell-free-supernatant-of-salmonella-bongori-isolated-from-the-freshwater-fish-devario-aequipinnatus-toxicity-against-microbial-pathogens-and-mosquito-vectors
#4
Balasubramani Govindasamy, Deepak Paramasivam, Aiswarya Dilipkumar, Karthik Raja Ramalingam, Kamaraj Chinnaperumal, Perumal Pachiappan
Presently, the discovery of effective drugs and pesticides from eco-friendly biological sources is an important challenge in the field of life sciences. The present research was aimed for standardizing an innovative approach in the evaluation of the biological potentiality of the metabolites of fish-associated bacteria. We have identified 17 skin-associated bacteria from the freshwater fish, giant danio, Devario aquipinnatus. They were screened through biofilm forming and extracellular enzyme producing ability...
August 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30111723/a-compositive-strategy-to-study-the-pharmacokinetics-of-tcms-taking-coptidis-rhizoma-and-coptidis-rhizoma-glycyrrhizae-radix-et-rhizoma-as-examples
#5
Qiao Li, Yan Yang, Ting Zhou, Rui Wang, Na Li, Min Zheng, Yuan-Yuan Li, Ji-Quan Zhang, Fei Wu, Bai-Can Yang, Yue-Ming Ma, Bing-Liang Ma
Pharmacokinetic studies are crucial for elucidating the effective constituents and formula compatibility of traditional Chinese medicines (TCMs). However, studies have usually been limited to single dosages and detection of systemic blood concentrations. To obtain comprehensive pharmacokinetic information, here we propose a multi-dosage and multi-sampling (blood from portal vein or systemic circulation, and liver) strategy to comparatively study the pharmacokinetics of multi-form TCMs, i.e., pure constituents, TCMs, or TCM formula extracts...
August 15, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30111171/hiv-infection-after-prenatal-screening-an-open-window-leading-to-perinatal-infection
#6
Raynell Lang, Stuart Skinner, Jackie Ferguson, Taj Jadavji, Maria Stadnyk, John Gill
Despite a dramatic decrease in vertical transmission of HIV in the developed world, maternal HIV infection acquired after negative prenatal screening still leaves a window of vulnerability. Through quality assurance programs in two Canadian Provinces, five cases where perinatal HIV transmission occurred despite negative prenatal screening were identified between 2005 and 2015. Maternal risk factors such as intravenous drug use, high-risk sexual behavior, hepatitis C virus co-infection, and belonging to high prevalence minority groups were common...
August 15, 2018: AIDS Care
https://www.readbyqxmd.com/read/30110034/microfluidic-based-vascularized-microphysiological-systems
#7
REVIEW
Somin Lee, Jihoon Ko, Dohyun Park, Seung-Ryeol Lee, Minhwan Chung, Younggyun Lee, Noo Li Jeon
Microphysiological systems have emerged in the last decade to provide an alternative to in vivo models in basic science and pharmaceutical research. In the field of vascular biology, in particular, there has been a lack of a suitable in vitro model exhibiting a three-dimensional structure and the physiological function of vasculature integrated with organ-on-a-chip models. The rapid development of organ-on-a-chip technology is well positioned to fulfill unmet needs. Recently, functional integration of vasculature with diverse microphysiological systems has been increasing...
August 15, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/30108947/structure-guided-approach-identifies-a-novel-class-of-hiv-1-ribonuclease-h-inhibitors-binding-mode-insights-through-magnesium-complexation-and-site-directed-mutagenesis-studies
#8
Vasanthanathan Poongavanam, Angela Corona, Casper Steinmann, Luigi Scipione, Nicole Grandi, Fabiana Pandolfi, Roberto Di Santo, Roberta Costi, Francesca Esposito, Enzo Tramontano, Jacob Kongsted
Persistent HIV infection requires lifelong treatment and among the 2.1 million new HIV infections that occur every year there is an increased rate of transmitted drug-resistant mutations. This fact requires a constant and timely effort in order to identify and develop new HIV inhibitors with innovative mechanisms. The HIV-1 reverse transcriptase (RT) associated ribonuclease H (RNase H) is the only viral encoded enzyme that still lacks an efficient inhibitor despite the fact that it is a well-validated target whose functional abrogation compromises viral infectivity...
March 1, 2018: MedChemComm
https://www.readbyqxmd.com/read/30108887/polyhydroxyalkanoates-as-biomaterials
#9
REVIEW
Bhagyashri S Thorat Gadgil, Naresh Killi, Gundloori V N Rathna
Polyhydroxyalkanoates (PHAs) are biopolymers synthesized by bacteria under unbalanced growth conditions. These biopolymers are considered as potential biomaterials for future applications because they are biocompatible, biodegradable, and easy to produce and functionalize with strong mechanical strength. Currently, PHAs are being extensively innovated for biomedical applications due to their prerequisite properties. The wide range of biomedical applications includes drug delivery systems, implants, tissue engineering, scaffolds, artificial organ constructs, etc...
September 1, 2017: MedChemComm
https://www.readbyqxmd.com/read/30108722/cancer-nanomedicine-from-pdgf-targeted-drug-delivery
#10
Chandrababu Rejeeth, Raju Vivek, Varukattu NipunBabu, Alok Sharma, Xianting Ding, Kun Qian
An innovative approach for the distinctively efficient action of smart targeted drug delivery to a specific cell type is obtained through the modification of the surface of nanoparticles. Specifically, the work identifies a cell surface receptor targeting drug delivery nanosystem based on mesoporous silica loaded with the anticancer drug cisplatin ( cis -DDP) and poly-acrylic acid (PAA). A specific target is the PDGF receptors expressed in cervical cancer cells, thus making the PAA functionalized nanocomposite a suitable and promising nano-medicine for the targeting of PDGF-overexpressing cancers in the near future...
November 1, 2017: MedChemComm
https://www.readbyqxmd.com/read/30107778/real-time-monitoring-of-pseudomonas-aeruginosa-biofilm-formation-on-endotracheal-tubes-in-vitro
#11
Eva Pericolini, Bruna Colombari, Gianmarco Ferretti, Ramona Iseppi, Andrea Ardizzoni, Massimo Girardis, Arianna Sala, Samuele Peppoloni, Elisabetta Blasi
BACKGROUND: Pseudomonas aeruginosa is an opportunistic bacterial pathogen responsible for both acute and chronic infections in humans. In particular, its ability to form biofilm, on biotic and abiotic surfaces, makes it particularly resistant to host's immune defenses and current antibiotic therapies as well. Innovative antimicrobial materials, like hydrogel, silver salts or nanoparticles have been used to cover new generation catheters with promising results. Nevertheless, biofilm remains a major health problem...
August 14, 2018: BMC Microbiology
https://www.readbyqxmd.com/read/30106738/dual-layer-strengthened-collaborative-topic-regression-modeling-for-predicting-drug-sensitivity
#12
Hang Wang, Jianing Xi, Minghui Wang, Ao Li
An effective way to facilitate the development of modern oncology precision medicine is the systematical analysis of the known drug sensitivities that have emerged in recent years. Meanwhile, the screening of drug response in cancer cell lines provides an estimable genomic and pharmacological data towards high accuracy prediction. Existing works primarily utilize genomic or functional genomic features to classify or regress the drug response. Here in this work, by the migration and extension of the conventional merchandise recommendation methods, we introduce an innovation model on accurate drug sensitivity prediction by using dual-layer strengthened collaborative topic regression (DS-CTR), which incorporates not only the graphic model to jointly learn drugs and cell lines feature from pharmacogenomics data but also drug and cell line similarity network model to strengthen the correlation of the prediction results...
August 10, 2018: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/30106651/practice-based-research-networks-and-the-mandate-for-real-world-evidence
#13
Elizabeth Hall-Lipsy, Leila Barraza, Christopher Robertson
The 21st Century Cures Act encourages the Food and Drug Administration to consider "real-world evidence" in its regulation of the safety and efficacy of drugs and devices. Many have interpreted this mandate to focus on non-randomized observational research. However, we suggest that regulatory science must also move from rarefied academic hospitals to community-based settings, where the vast majority of patients in fact receive care in the fragmented U.S. healthcare system. This move is especially important if innovations are to reach, and be validated in, more diverse populations...
May 2018: American Journal of Law & Medicine
https://www.readbyqxmd.com/read/30106644/21-st-century-citizen-pharma-the-fda-patient-focused-product-development
#14
Jordan Paradise
Perpetual debate regarding the delicate balance between access and innovation and the protection of the public health and safety dominate discussions of the United States Food and Drug Administration ("FDA"). Established chiefly as a command and control federal administrative agency, iterative changes in legislation have shaped the FDA's activity in drug, biologic, and medical device regulation over the course of the last one hundred plus years. The most recent fundamental reframing of the agency's authority and directive presented itself in the 21st Century Cures Act, reflecting an important role for patient perspectives in the regulatory process...
May 2018: American Journal of Law & Medicine
https://www.readbyqxmd.com/read/30106605/pharmacotherapy-for-erectile-dysfunction-in-diabetic-males
#15
Ahmed I El-Sakka
Numerous studies have highlighted the intimate association between erectile dysfunction (ED) and diabetes mellitus (DM). However, the true pathogenesis of ED among diabetic men has not yet been fully discovered. The treatment of ED in diabetic patients remains an interesting area of research. The last two decades have witnessed phenomenal advances in the management of ED with the efficacy of pharmacotherapy for ED in diabetic patients encouraging, especially with introduction of innovative conservative tools for treatment...
August 14, 2018: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/30106578/allosteric-modulation-of-class-a-gpcrs-targets-agents-and-emerging-concepts
#16
Eric A Wold, Jianping Chen, Kathryn A Cunningham, Jia Zhou
G protein-coupled receptors (GPCRs) have been tractable drug targets for decades with over one-third of currently marketed drugs targeting GPCRs. Of these, the class A GPCR superfamily is highly represented and continued drug discovery for this family of receptors may provide novel therapeutics for a vast range of diseases. GPCR allosteric modulation is an innovative targeting approach that broadens the available small molecule toolbox and is proving to be a viable drug discovery strategy, as evidenced by recent FDA approvals and clinical trials...
August 14, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/30105115/-in-vitro-and-in-vivo-quality-evaluation-of-glibenclamide-tablets-marketed-in-addis-ababa-ethiopia
#17
Haile Kassahun, Kaleab Asres, Ayenew Ashenef
Good quality drugs fulfilling the regulatory parameters and produced per the current good manufacturing (CGMP) standards are very critical for best therapeutic outcome in patient therapy. Hence, this study assesses quality as well as physicochemical bioequivalence of five brands of glibenclamide tablets marketed in Addis Ababa using in vitro and in vivo methods. Friability, disintegration, dissolution, and assay for the content of active ingredients were evaluated using the methods described in the British Pharmacopeia (2009) and United States Pharmacopeia (2007)...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/30103868/modifying-the-physicochemical-properties-of-nsaids-for-nasal-and-pulmonary-administration
#18
REVIEW
P Szabó-Révész
This review focuses on nasal and pulmonary delivery of NSAIDs (non-steroidal anti-inflammatory drugs) for fast-onset analgesia, for the potential prevention of Alzheimer's disease (AD), as well as for an add-on treatment in cystic fibrosis (CF) and non-small cell lung cancer (NSCLC). I discuss how the physicochemical properties of NSAIDs can be modified with respect to the biological characteristics of the target site. Innovative technology and/or dosage forms can promote an effective therapy.
July 2018: Drug Discovery Today. Technologies
https://www.readbyqxmd.com/read/30103866/matrix-systems-for-oral-drug-delivery-formulations-and-drug-release
#19
REVIEW
Gábor Vasvári, József Kalmár, Péter Veres, Miklós Vecsernyés, Ildikó Bácskay, Pálma Fehér, Zoltán Ujhelyi, Ádám Haimhoffer, Ágnes Rusznyák, Ferenc Fenyvesi, Judit Váradi
In this current article matrix formulations for oral drug delivery are reviewed. Conventional dosage forms and novel applications such as 3D printed matrices and aerogel matrices are discussed. Beside characterization, excipients and matrix forming agents are also enlisted and classified. The incorporated drug could exist in crystalline or in amorphous forms, which makes drug dissolution easily tunable. Main drug release mechanisms are detailed and reviewed to support rational design in pharmaceutical technology and manufacturing considering the fact that R&D members of the industry are forced to obtain knowledge about excipients and methods pros and cons...
July 2018: Drug Discovery Today. Technologies
https://www.readbyqxmd.com/read/30103501/going-reo-viral-factors-promoting-successful-reoviral-oncolytic-infection
#20
REVIEW
Tarryn Bourhill, Yoshinori Mori, Derrick E Rancourt, Maya Shmulevitz, Randal N Johnston
Oncolytic viruses show intriguing potential as cancer therapeutic agents. These viruses are capable of selectively targeting and killing cancerous cells while leaving healthy cells largely unaffected. The use of oncolytic viruses for cancer treatments in selected circumstances has recently been approved by the Food and Drug Administration (FDA) of the US and work is progressing on engineering viral vectors for enhanced selectivity, efficacy and safety. However, a better fundamental understanding of tumour and viral biology is essential for the continued advancement of the oncolytic field...
August 11, 2018: Viruses
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