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Therapeutic Delivery

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https://www.readbyqxmd.com/read/27854180/microwave-grafted-composite-and-coprocessed-materials-drug-delivery-applications
#1
Loveleen Kaur, Inderbir Singh
Novel modified pharmaceutical materials with desired functionalities are required for the development of drug delivery systems. Excipients are no more inert ingredients but these are playing crucial roles in modifying physicochemical properties of drugs and for imparting desired functionalities in the delivery system. In this review article, modified materials such as grafted, composite and coprocessed have been discussed along with the updated reported literature on the same. Applications of grafted materials as drug release retardant, mucoadhesive polymer and tablet superdisintegrant have been elaborated...
November 17, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27834624/novel-biodegradable-nanocarriers-for-enhanced-drug-delivery
#2
Mariacristina Gagliardi
With the refinement of functional properties, the interest around biodegradable materials, in biorelated applications and, in particular, in their use as controlled drug-delivery systems, increased in the last decades. Biodegradable materials are an ideal platform to obtain nanoparticles for spatiotemporal controlled drug delivery for the in vivo administration, thanks to their biocompatibility, functionalizability, the control exerted on delivery rates and the complete degradation. Their application in systems for cancer treatment, brain and cardiovascular diseases is already a consolidated practice in research, while the bench-to-bedside translation is still late...
November 11, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27834615/development-and-characterization-of-resveratrol-nanoemulsions-carrying-dual-imaging-agents
#3
Michele Herneisey, Jonathan Williams, Janja Mirtic, Lu Liu, Sneha Potdar, Christina Bagia, Jane E Cavanaugh, Jelena M Janjic
AIM: Delivery of the natural anti-inflammatory compound resveratrol with nanoemulsions can dramatically improve its tissue targeting, bioavailability and efficacy. Current assessment of resveratrol delivery efficacy is limited to indirect pharmacological measures. Molecular imaging solves this problem. Results/methodology: Nanoemulsions containing two complementary imaging agents, near-infrared dye and perfluoropolyether (PFPE), were developed and evaluated. Nanoemulsion effects on macrophage uptake, toxicity and NO production were also evaluated...
November 11, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27824287/interview-with-david-j-brayden
#4
David J Brayden
David Brayden speaks to Hannah Makin, Commissioning Editor: David Brayden is a Full Professor (Advanced Drug Delivery) at the School of Veterinary Medicine, University College Dublin (UCD) and also a Fellow of the UCD Conway Institute. Following a PhD in Pharmacology at the University of Cambridge, UK (1989), and a postdoctoral research fellowship at Stanford University, CA, USA, he set up Elan Biotechnology Research's in vitro pharmacology laboratory in Dublin (1991). At Elan, he became a senior scientist and project manager of several of Elan's joint-venture drug delivery research collaborations with US biotech companies...
November 8, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27824283/industry-update-covering-september
#5
Iain Simpson
No abstract text is available yet for this article.
November 8, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790949/nanoparticle-based-drug-delivery-in-cancer-the-role-of-cell-membrane-structures
#6
Serap Yalçın, Özlem Özlüer, Ufuk Gündüz
Development of novel drug-delivery systems aims to specifically deliver anticancer drugs to tumor tissues and improve the efficiency of chemotherapy, while minimizing side effects of drugs on healthy tissues and organs. However, drug-delivery systems are confronted by membrane barriers and multiple drug resistance in cancer cells. In recent years, the obtained results indicate an important role of lipids, proteins and carbohydrates in apoptosis, drug transport and the process of cellular uptake of nanoparticles via endocytosis...
October 28, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790946/nanostructured-lipid-carriers-for-targeting-drug-delivery-to-the-epidermal-layer
#7
Guilherme M Gelfuso, Marcílio Ss Cunha-Filho, Tais Gratieri
No abstract text is available yet for this article.
October 28, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790945/functionalization-of-nanostructures-for-antibiotic-improvement-an-interdisciplinary-approach
#8
Acm Saúde, O L Franco
The resistance of infectious bacteria to current antibiotics is a worldwide problem caused, partially, by the overuse of antimicrobials. The use of nanotechnology as an innovative tool against bacterial infections provides a range of methodologies to redesign old antibiotics for novel and remarkable new strategies. Thus, functionalized antibiotics present structures with improved bioavailability, low toxicity and specificity to bacterial membrane. In this context, this review will describe the use of nanotechnology as an innovative tool to functionalize antibiotics...
October 28, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790941/a-nonviral-vector-with-transfection-activity-comparable-with-adenoviral-transduction
#9
Jennifer Cheung, Takahiro Chino, Cynthia Co, Krystyna Konopka, Nejat Düzgüne
AIM: Viral vectors are used commonly in gene therapy trials, but their potential toxic effects are a serious concern. Identification of highly efficient nonviral vectors may alleviate these effects. Results & methodology: We compared the abilities of TransfeX, TransIT-LT1 and adenovirus to deliver the firefly luciferase and green fluorescent protein genes into HeLa cervical carcinoma, and HSC-3 and H357 oral squamous cell carcinoma cells. TransfeX mediated fourfold higher gene expression in HeLa cells than adenovirus, even at the highest multiplicity of infection...
October 28, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27733098/pharmacodynamic-profile-of-mydriatic-agents-delivered-by-ocular-piezo-ejection-microdosing-compared-with-conventional-eyedropper
#10
Tsontcho Ianchulev, Arturo Chayet, Malik Kahook, Mark Packer, Louis Pasquale, Robert N Weinreb
AIM: Eyedroppers deliver medication volumes exceeding conjunctival absorptive capacity, causing spillage and risking ocular/systemic complications. We evaluated piezoelectric microdosing. Results/methodology: Subjects (n = 102) received precision microdroplet delivery of phenylephrine (2.5%) and tropicamide (1.0%): 1 × 1.5 μl, 1 × 6 μl or 2 × 3 μl of each (randomized 1:1:1), into one eye. Contralateral eyes received eyedropper doses of both drugs. Outcomes were pupil dilation (0-60 min) and patient satisfaction...
October 13, 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790956/biological-voyage-of-solid-lipid-nanoparticles-a-proficient-carrier-in-nanomedicine
#11
Hasan Ali, Sandeep Kumar Singh
This review projects the prospects and issues faced by solid lipid nanoparticles (SLNs) in current scenarios, specially related to its clinical implementation and effectiveness. We re-examine the basic concept of biobehavior and movement of SLNs as a nanomedicine carrier. The extensive survey of the uptake and absorption mechanism from different routes, distribution pattern, targeting efficiency, effect of surface functionalization on biodistribution, elimination pathways and toxic effects have been documented...
October 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790955/microparticles-to-enhance-delivery-of-drugs-and-growth-factors-into-wound-sites
#12
Sanjeev Ranjan, Flavia Fontana, Hanif Ullah, Jouni Hirvonen, Hélder A Santos
Microparticles with controlled size and morphology are of significant interest in the field of drug delivery. Although advanced nanoparticles have been the object of a substantial number of reviews, fewer have focused on microparticles, especially for the delivery of drugs and growth factors to the wound site. Microparticles show distinct advantages, including ease of production and characterization, extended release properties, high drug loading and little concern about the toxicity as compared with the nanosized systems...
October 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790954/modified-biomolecule-as-potential-vehicle-for-buccal-delivery-of-doxepin
#13
Flavia Laffleur, Martina Zilio, Duangratana Shuwisitkul
AIM: Doxepin is a traditional tricyclic antidepressant with analgesic and anesthetic properties when applied topically to the mucosa. Doxepin is one approach in treating insomnia and depression in Parkinson's disease. Patients with Parkinson's disease suffer difficulties in swallowing. Therefore, it was the aim of this study to develop a buccal-adhesive delivery system. METHODS: Pectin was modified with cysteine. Stability assays in form of disintegration assay according to the Ph...
October 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790953/electronic-health-and-the-role-of-software-in-drug-dispensing-and-administration
#14
Pascale Gauthier
No abstract text is available yet for this article.
October 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27790952/tethered-polymer-nanoassemblies-for-sustained-carfilzomib-release-and-prolonged-suppression-of-proteasome-activity
#15
Derek Reichel, Min Jae Lee, Wooin Lee, Kyung Bo Kim, Younsoo Bae
AIM: Proteasome inhibitors, such as carfilzomib (CFZ), have shown potential to treat various types of cancers in preclinical models, but clinical applications are limited likely due to formulation and delivery issues. Results & methodology: Tethered polymer nanoassemblies (TNAs) were synthesized by tethering hydrophilic polymers and hydrophobic groups to charged polymer scaffolds, and then end-capping remaining amines on scaffold. Drug entrapment and drug release half-lives increased as charge was removed from scaffold...
October 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27582236/codelivery-of-anticancer-drugs-and-sirna-by-mesoporous-silica-nanoparticles
#16
Mohammad Yahya Hanafi-Bojd, Legha Ansari, Bizhan Malaekeh-Nikouei
The most common method for cancer treatment is chemotherapy. Multidrug resistance (MDR) is one of the major obstacles in chemotherapeutic treatment of many human cancers. One strategy to overcome this challenge is the delivery of anticancer drugs and siRNA simultaneously using nanoparticles. Mesoporous silica nanoparticles are one of the most popular nanoparticles for cargo delivery because of their intrinsic porosity. This paper highlights recent advances in codelivery of chemotherapeutic and siRNA with mesoporous silica nanoparticles for cancer therapy...
September 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27582235/solid-lipid-nanoparticles-for-antifungal-drugs-delivery-for-topical-applications
#17
Sonia Trombino, Silvia Mellace, Roberta Cassano
Systemic and local infections caused by fungi, in particular those concerning the skin and nails, are increasing. Various drugs are used for mycoses treatment such as amphotericin B, nystatin and ketoconazole, fluconazole, itraconazole and fluconazole, among others. Unfortunately, many of these antifungal agents can cause side effects such as allergic and severe skin reaction. With the aim to reduce these side effects and maximize the antifungal drug activity, various drug-delivery systems have been formulated and been investigated in the last few years...
September 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27582234/delivery-of-nucleic-acids-for-cancer-gene-therapy-overcoming-extra-and-intra-cellular-barriers
#18
Emma M McErlean, Cian M McCrudden, Helen O McCarthy
The therapeutic potential of cancer gene therapy has been limited by the difficulty of delivering genetic material to target sites. Various biological and molecular barriers exist which need to be overcome before effective nonviral delivery systems can be applied successfully in oncology. Herein, various barriers are described and strategies to circumvent such obstacles are discussed, considering both the extracellular and intracellular setting. Development of multifunctional delivery systems holds much promise for the progression of gene delivery, and a growing body of evidence supports this approach involving rational design of vectors, with a unique molecular architecture...
September 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27582233/linear-and-branched-polyacrylates-as-a-delivery-platform-for-peptide-based-vaccines
#19
Saranya Chandrudu, Stacey Bartlett, Zeinab G Khalil, Zhongfan Jia, Waleed M Hussein, Robert J Capon, Michael R Batzloff, Michael F Good, Michael J Monteiro, Mariusz Skwarczynski, Istvan Toth
AIM: Peptide-based vaccines are designed to carry the minimum required antigen to trigger the desired immune responses; however, they are usually poorly immunogenic and require appropriate delivery system. RESULTS: Peptides, B-cell epitope (J14) derived from group A streptococcus M-protein and universal T-helper (PADRE) epitope, were conjugated to a variety of linear and branched polyacrylates. All produced conjugates formed submicron-sized particles and induced a high level of IgG titres in mice after subcutaneous immunization...
September 2016: Therapeutic Delivery
https://www.readbyqxmd.com/read/27582232/industry-news
#20
Oliver C Steinbach
No abstract text is available yet for this article.
September 2016: Therapeutic Delivery
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