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Advanced Drug Delivery Reviews

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https://www.readbyqxmd.com/read/28438674/current-state-and-challenges-in-developing-oral-vaccines
#1
REVIEW
Julia E Vela Ramirez, Lindsey A Sharpe, Nicholas A Peppas
While vaccination remains the most cost effective strategy for disease prevention, communicable diseases persist as the second leading cause of death worldwide. There is a need to design safe, novel vaccine delivery methods to protect against unaddressed and emerging diseases. Development of vaccines administered orally is preferable to traditional injection-based formulations for numerous reasons including improved safety and compliance, and easier manufacturing and administration. Additionally, the oral route enables stimulation of humoral and cellular immune responses at both systemic and mucosal sites to establish broader and long-lasting protection...
April 21, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28433739/dual-functional-drug-liposomes-in-treatment-of-resistant-cancers
#2
REVIEW
Li-Min Mu, Rui-Jun Ju, Rui Liu, Ying-Zi Bu, Jing-Ying Zhang, Xue-Qi Li, Fan Zeng, Wan-Liang Lu
Efficacy of regular chemotherapy is significantly hampered by multidrug resistance (MDR) and severe systemic toxicity. The reduced toxicity has been evidenced after administration of drug liposomes, consisting of the first generation of regular drug liposomes, the second generation of long-circulation drug liposomes, and the third generation of targeting drug liposomes. However, MDR of cancers remains as an unsolved issue. The objectives of this article are to review the dual-functional drug liposomes, which demonstrate the potential in overcoming MDR...
April 19, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28414079/in-vivo-reprogramming-of-immune-cells-technologies-for-induction-of-antigen-specific-tolerance
#3
REVIEW
Ryan M Pearson, Liam M Casey, Kevin R Hughes, Stephen D Miller, Lonnie D Shea
Technologies that induce antigen-specific immune tolerance by mimicking naturally occurring mechanisms have the potential to revolutionize the treatment of many immune-mediated pathologies such as autoimmunity, allograft rejection, and allergy. The immune system intrinsically has central and peripheral tolerance pathways for eliminating or modulating antigen-specific responses, which are being exploited through emerging technologies. Antigen-specific tolerogenic responses have been achieved through the functional reprogramming of antigen-presenting cells or lymphocytes...
April 14, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28412325/designing-metal-contained-enzyme-mimics-for-prodrug-activation
#4
REVIEW
Baoji Du, Dan Li, Jin Wang, Erkang Wang
Enzyme-activated prodrug therapy (EAPT) is a widely-used and effective treatment method for cancer by converting the prodrugs into the drugs at the demanded time and space, whose key step is prodrug activation. Traditional prodrug activations are mostly dependent on the natural enzymes, which are unstable, expensive and hard to be functionalized. The emerging enzyme mimics, especially the metal-contained enzyme mimics (MEMs), provide a potential chance for improving the traditional EAPT because of their high stability, low cost and easiness of preparation and functionalization...
April 12, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28412324/nanoformulation-based-sequential-combination-cancer-therapy
#5
REVIEW
Gayong Shim, Mi-Gyeong Kim, Dongyoon Kim, Joo Yeon Park, Yu-Kyoung Oh
Although combining two or more treatments is regarded as an indispensable approach for effectively treating cancer, the traditional cocktail-based combination therapies are seriously limited by coordination issues that fail to account for differences in the pharmacokinetics and action sites of each drug. The careful manipulation of dosing regimens, such as by the sequential application of combination treatments, may satisfy the temporal and spatial needs of each drug and achieve successful combination antitumor therapy...
April 12, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28396204/responsive-nanocarriers-as-an-emerging-platform-for-cascaded-delivery-of-nucleic-acids-to-cancer
#6
Yang Liu, Cong-Fei Xu, Shoaib Iqbal, Xian-Zhu Yang, Jun Wang
Cascades of systemic and intracellular obstacles, including low stability in blood, little tumor accumulation, weak tumor penetration, poor cellular uptake, inefficient endosomal escape and deficient disassembly in the cytoplasm, must be overcome in order to deliver nucleic acid drugs for cancer therapy. Nanocarriers that are sensitive to a variety of physiological stimuli, such as pH, redox status, and cell enzymes, are substantially changing the landscape of nucleic acid drug delivery by helping to overcome cascaded systemic and intracellular barriers...
April 7, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28392306/nanoparticles-for-drug-delivery-to-the-anterior-segment-of-the-eye
#7
Dileep R Janagam, Linfeng Wu, Tao L Lowe
Commercially available ocular drug delivery systems are effective but less efficacious to manage diseases/disorders of the anterior segment of the eye. Recent advances in nanotechnology and molecular biology offer a great opportunity for efficacious ocular drug delivery for the treatments of anterior segment diseases/disorders. Nanoparticles have been designed for preparing eye drops or injectable solutions to surmount ocular obstacles faced after administration. Better drug pharmacokinetics, pharmacodynamics, non-specific toxicity, immunogenicity, and biorecognition can be achieved to improve drug efficacy when drugs are loaded in the nanoparticles...
April 6, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28392305/engineering-self-assembled-materials-to-study-and-direct-immune-function
#8
Lisa H Tostanoski, Christopher M Jewell
The immune system is an awe-inspiring control structure that maintains a delicate and constantly changing balance between pro-immune functions that fight infection and cancer, regulatory or suppressive functions involved in immune tolerance, and homeostatic resting states. These activities are determined by integrating signals in space and time; thus, improving control over the densities, combinations, and durations with which immune signals are delivered is a central goal to better combat infectious disease, cancer, and autoimmunity...
April 6, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28344021/pharmaceutical-cocrystals-salts-and-multicomponent-systems-intermolecular-interactions-and-property-based-design
#9
REVIEW
David J Berry, Jonathan W Steed
As small molecule drugs become harder to develop and less cost effective for patient use, efficient strategies for their property improvement become increasingly important to global health initiatives. Improvements in the physical properties of Active Pharmaceutical Ingredients (APIs), without changes in the covalent chemistry, have long been possible through the application of binary component solids. This was first achieved through the use of pharmaceutical salts, within the last 10-15years with cocrystals and more recently coamorphous systems have also been consciously applied to this problem...
March 23, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28342786/pharmaceutical-solvates-hydrates-and-amorphous-forms-a-special-emphasis-on-cocrystals
#10
REVIEW
Anne Marie Healy, Zelalem Ayenew Worku, Dinesh Kumar, Atif M Madi
Active pharmaceutical ingredients (APIs) may exist in various solid forms, which can lead to differences in the intermolecular interactions, affecting the internal energy and enthalpy, and the degree of disorder, affecting the entropy. Differences in solid forms often lead to differences in thermodynamic parameters and physicochemical properties for example solubility, dissolution rate, stability and mechanical properties of APIs and excipients. Hence, solid forms of APIs play a vital role in drug discovery and development in the context of optimization of bioavailability, filing intellectual property rights and developing suitable manufacturing methods...
March 22, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28285944/combination-antitumor-therapy-with-targeted-dual-nanomedicines
#11
REVIEW
Wenbing Dai, Xiaoyou Wang, Ge Song, Tongzhou Liu, Bing He, Hua Zhang, Xueqing Wang, Qiang Zhang
Combination therapy is one of the important treatment strategies for cancer at present. However, the outcome of current combination therapy based on the co-administration of conventional dosage forms is suboptimal, due to the short half-lives of chemodrugs, their deficient tumor selectivity and so forth. Nanotechnology-based targeted delivery systems show great promise in addressing the associated problems and providing superior therapeutic benefits. In this review, we focus on the combination of therapeutic strategies between different nanomedicines or drug-loaded nanocarriers, rather than the co-delivery of different drugs via a single nanocarrier...
March 7, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28257999/%C3%AE-hairpin-peptide-hydrogels-for-package-delivery
#12
REVIEW
Peter Worthington, Sigrid Langhans, Darrin Pochan
The underlying challenge of drug delivery is the safe, controlled transport of a supply of therapeutic agent to its intended location at its effective dose. New and expanding solutions to payload delivery are being discovered in the field of hydrogels. Hydrogels are highly hydrated polymer networks that vary greatly depending on the underlying molecular structure. The subgroup of hydrogels that will be the focus of this chapter is the β-hairpin peptide hydrogel. These peptide-based materials are formed through a molecular self-assembly mechanism that only occurs after desired triggering of intramolecular peptide folding...
February 28, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28257998/the-battle-of-nano-paclitaxel
#13
REVIEW
Alexandros Marios Sofias, Michael Dunne, Gert Storm, Christine Allen
Paclitaxel (PTX) is one of the three most widely used chemotherapeutic agents, together with doxorubicin and cisplatin, and is first or second line treatment for several types of cancers. In 2000, Taxol, the conventional formulation of PTX, became the best selling cancer drug of all time with annual sales of 1.6 billion. In 2005, the introduction of the albumin-based formulation of PTX, known as Abraxane, ended Taxol's monopoly of the PTX market. Abraxane's ability to push the Taxol innovator and generic formulations aside attracted fierce competition amongst competitors worldwide to develop their own unique, new and improved formulation of PTX...
February 28, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28214553/mimicking-oxygen-delivery-and-waste-removal-functions-of-blood
#14
REVIEW
Huaifa Zhang, Jake E Barralet
In addition to immunological and wound healing cell and platelet delivery, ion stasis and nutrient supply, blood delivers oxygen to cells and tissues and removes metabolic wastes. For decades researchers have been trying to develop approaches that mimic these two immediately vital functions of blood. Oxygen is crucial for the long-term survival of tissues and cells in vertebrates. Hypoxia (oxygen deficiency) and even at times anoxia (absence of oxygen) can occur during organ preservation, organ and cell transplantation, wound healing, in tumors and engineering of tissues...
February 16, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28163106/angiogenesis-regulation-by-nanocarriers-bearing-rna-interference
#15
REVIEW
Paula Ofek, Galia Tiram, Ronit Satchi-Fainaro
Since the approval of bevacizumab as anti-angiogenic therapy in 2004 by the FDA, an array of angiogenesis inhibitors have been developed and approved. However, results were disappointing with regard to their therapeutic efficacy. RNA interference approaches offer the possibility of rational design with high specificity, lacking in many current drug treatments for various diseases including cancer. However, in vivo delivery issues still represent a significant obstacle for widespread clinical applications. In the current review, we summarize the advances in the last decade in the field of angiogenesis-targeted RNA interference approaches, with special emphasis on oncology applications...
February 2, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28159606/recent-coating-developments-for-combination-devices-in-orthopedic-and-dental-applications-a-literature-review
#16
Eric J Tobin
Orthopedic and dental implants have been used successfully for decades to replace or repair missing or damaged bones, joints, and teeth, thereby restoring patient function subsequent to disease or injury. However, although device success rates are generally high, patient outcomes are sometimes compromised due to device-related problems such as insufficient integration, local tissue inflammation, and infection. Many different types of surface coatings have been developed to address these shortcomings, including those that incorporate therapeutic agents to provide localized delivery to the surgical site...
February 1, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28153578/improving-drug-like-properties-of-insulin-and-glp-1-via-molecule-design-and-formulation-and-improving-diabetes-management-with-device-drug-delivery
#17
REVIEW
Sergei Pechenov, Himanshu Bhattacharjee, Daniel Yin, Sachin Mittal, Anand Subramony
There is an increased incidence of diabetes worldwide. The discovery of insulin revolutionized the management of diabetes, the revelation of glucagon-like peptide -1 (GLP-1) and introduction of GLP-1 mimetics to clinical practice was another breakthrough. Continued translational research resulted in better understanding of diabetes, which, in combination with cutting-edge biology, chemistry, and pharmaceutical tools, have allowed for the development of safer, more effective and convenient insulins and GLP-1s...
January 30, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28111348/xenobiotic-transporters-and-kidney-injury
#18
REVIEW
Blessy George, Dahea You, Melanie S Joy, Lauren M Aleksunes
Renal proximal tubules are targets for toxicity due in part to the expression of transporters that mediate the secretion and reabsorption of xenobiotics. Alterations in transporter expression and/or function can enhance the accumulation of toxicants and sensitize the kidneys to injury. This can be observed when xenobiotic uptake by carrier proteins is increased or efflux of toxicants and their metabolites is reduced. Nephrotoxic chemicals include environmental contaminants (halogenated hydrocarbon solvents, the herbicide paraquat, the fungal toxin ochratoxin, and heavy metals) as well as pharmaceuticals (certain beta-lactam antibiotics, antiviral drugs, and chemotherapeutic drugs)...
January 20, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28189183/radiotherapy-for-cancer-present-and-future
#19
EDITORIAL
Christine Allen, Sohyoung Her, David A Jaffray
No abstract text is available yet for this article.
January 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/27932046/stereotactic-ablative-body-radiosurgery-sabr-or-stereotactic-body-radiation-therapy-sbrt
#20
REVIEW
Michael R Folkert, Robert D Timmerman
While conventional treatment relies on protracted courses of therapy using relatively small dose-per-fraction sizes of 1.8-2Gy, there is substantial evidence gathered over decades that this may not be the optimal approach for all targetable disease. Stereotactic ablative body radiosurgery (SABR) or stereotactic body radiation therapy (SBRT) is a technique which uses precise targeting to deliver high doses of radiation capable of ablating tumors directly. In this review, we will discuss the justification for and techniques used to deliver ablative doses to improve treatment outcomes, interactions with biological and immunologic therapy, and special procedures to spare normal tissue, which have facilitated the expanding role for these techniques in the management of a wide range of malignant histologies and disease states...
January 15, 2017: Advanced Drug Delivery Reviews
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