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Therapeutic Delivery

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https://www.readbyqxmd.com/read/29235423/review-of-a-commercially-available-hybrid-closed-loop-insulin-delivery-system-in-the-treatment-of-type-1-diabetes
#1
Jenine Y Stone, Nalani Haviland, Timothy S Bailey
Type 1 diabetes is an important medical condition causing significant burden and morbidity to those persons affected by it. Improvements in insulin products, insulin delivery and glucose monitoring technology have all contributed to reductions in long-term complications and hypoglycemia. This article reviews the Medtronic 670G device and summarizes the data supporting how this product reduces the burden and increases the safety of insulin dosing in Type 1 diabetes.
December 13, 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29076771/high-precision-piezo-ejection-ocular-microdosing-phase%C3%A2-ii-study-on-local-and-systemic-effects-of-topical-phenylephrine
#2
Tsontcho Ianchulev, Robert Weinreb, James C Tsai, Shan Lin, Louis R Pasquale
AIM: Conventional eyedropper-delivered volumes (25-50 µl) exceed the eye's usual tear-film volume (7 µl) and precorneal reservoir capacity, risking overflow and ocular/systemic complications. Piezoelectric high-precision microdosing may circumvent these limitations. Results & methodology: In this masked, nonrandomized, cross-over study, subjects (n = 12) underwent pupil dilation with topical phenylephrine (PE) administered by 32-µl eyedropper (2.5% or 10% formulation) and 8-µl electronic microdosing (10% formulation)...
October 27, 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29325512/an-industry-update-the-latest-developments-in-therapeutic-delivery
#3
Oliver C Steinbach
The present industry update covers the period 1 October-31 October 2017, with information sourced from company press releases, regulatory and patent agencies as well as scientific literature. While the corporate news in October was traditionally dominated by the announcement of the third quarter results, with most of them showing market and revenue growth but also an increasing number of initial public offerings after years of slower financial development, we also saw trends continuing toward an increasing number of convergences of drugs with nanotechnology, devices and 21st century information technology...
February 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29325511/recent-advances-in-topical-nano-drug-delivery-systems-for-the-anterior-ocular-segment
#4
Prit Lakhani, Akash Patil, Soumyajit Majumdar
Over the past decade, there has been a rise in the number of clinical cases of moderate to severe anterior segment ocular diseases. Conventional topical ophthalmic formulations have several limitations - to address which, novel drug-delivery systems are needed. Additionally, formidable physiological barriers limit ocular bioavailability through the topical route of application. During the last decade, various nano-scaled ocular drug-delivery strategies have been reported. Some of these exploratory, topical, noninvasive approaches have shown promise in improving penetration into the anterior segment tissues of the eye...
February 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29325510/albendazole-nanocrystals-with-improved-pharmacokinetic-performance-in-mice
#5
Alejandro J Paredes, Sergio Sánchez Bruni, Daniel Allemandi, Carlos Lanusse, Santiago D Palma
AIM: Albendazole (ABZ) is a broad-spectrum antiparasitic agent with poor aqueous solubility, which leads to poor/erratic bioavailability and therapeutic failures. Here, we aimed to produce a novel formulation of ABZ nanocrystals (ABZNC) and assess its pharmacokinetic performance in mice. Results/methodology: ABZNC were prepared by high-pressure homogenization and spray-drying processes. Redispersion capacity and solid yield were measured in order to obtain an optimized product. The final particle size was 415...
February 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29325509/terbinafine-hydrochloride-nail-lacquer-for-the-management-of-onychomycosis-formulation-characterization-and-in-vitro-evaluation
#6
Purva Thatai, Bharti Sapra
AIM: The present investigation's intention was to develop an optimized nail lacquer (NL) for the management of onychomycosis. MATERIALS & METHODS: The NL was optimized statistically adopting 32 full factorial design having different polymer ratios and solvent ratios. The formulations were assessed for drug permeation drying time and peak adhesive strength of the film. Characterization was done using techniques including attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), x-ray diffraction (XRD), etc...
February 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29325508/mesh-nebulizers-have-become-the-first-choice-for-new-nebulized-pharmaceutical-drug-developments
#7
John N Pritchard, Ross Hm Hatley, John Denyer, Dirk von Hollen
In the 24 years since first being marketed, the mesh nebulizer has been developed by five main manufacturers into a viable solution for the delivery of high-value nebulized drugs. Mesh nebulizers provide increased portability, convenience and energy efficiency along with similar lung deposition and increased ease of use compared with jet nebulizers. An analysis of EU and US clinical trial databases has shown that mesh nebulizers are now preferred over jet nebulizers for clinical trials sponsored by pharmaceutical companies...
February 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29216808/welcome-to-volume-9-of-therapeutic-delivery
#8
Hannah Makin
Happy New Year to all of our readers! Welcome to volume 9 of Therapeutic Delivery. We would like to take the opportunity to look back over 2017, which was another excellent year for us. We thank all our readers, reviewers, authors and Editorial Board members for their continued support and very much look forward to working with all our contributors again in 2018.
January 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29216807/ultrasound-triggered-liposomes-for-on-demand-local-anesthesia
#9
Kathleen Cullion, Alina Y Rwei, Daniel S Kohane
No abstract text is available yet for this article.
January 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29216806/an-industry-update-the-latest-developments-in-therapeutic-delivery
#10
Iain Simpson
This industry update covers the period from 1 September through 30 September 2017, and is based on information sourced from company press releases, scientific literature, patents and various news websites. The month saw the US FDA approve three new molecular entities, Aliqopa (copanlisib dihydrochloride) (Bayer Healthcare); Solosec (secnidazole) (Symbiomix Therapeutics) and Verzenio (abemaciclib) (Eli Lilly and Co). Intarcia Therapeutics Inc. has its application for approval of a novel drug device combination of exenatide for the treatment of diabetes rejected by FDA but said that it will work to address the concerns and refile the application...
January 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29216805/a-review-on-recent-technologies-for-the-manufacture-of-pulmonary-drugs
#11
Gabriela Daisy Hadiwinoto, Philip Chi Lip Kwok, Richard Lakerveld
This review discusses recent developments in the manufacture of inhalable dry powder formulations. Pulmonary drugs have distinct advantages compared with other drug administration routes. However, requirements of drugs properties complicate the manufacture. Control over crystallization to make particles with the desired properties in a single step is often infeasible, which calls for micronization techniques. Although spray drying produces particles in the desired size range, a stable solid state may not be attainable...
January 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29216804/the-use-of-alpha-fetoprotein-for-the-treatment-of-autoimmune-diseases-and-cancer
#12
Vladimir N Pak
Alpha-fetoprotein is a shuttle protein that delivers nutrients through receptor-mediated endocytosis to embryotic cells. In adults, alpha-fetoprotein can shuttle drugs into alpha-fetoprotein receptor-positive myeloid-derived suppressor, regenerating and also cancer cells. Drugs with high-binding affinity to alpha-fetoprotein can activate or deplete targeted cells. Myeloid-derived suppressor cells activation leads to immune suppression that can be used for treating autoimmune diseases. On the other hand, toxins delivered by alpha-fetoprotein can damage myeloid-derived suppressor cells and consequently unleash innate and adaptive immunity to destroy cancer cells...
January 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29216803/neutrophil-mediated-delivery-of-nanotherapeutics-across-blood-vessel-barrier
#13
Xinyue Dong, Dafeng Chu, Zhenjia Wang
Nanotherapeutics, nanoparticles (NPs) loaded with drugs, show the ability of tissue targeting, long circulation and low toxicity compared with free drugs. Endothelium lying the lumen of a blood vessel is a barrier to restrain tissue deposition of nanotherapeutics. Neutrophils, a type of white blood cells, migrate across endothelium during inflammation. There is an emerging concept that in situ targeting of neutrophils allows delivery of nanotherapeutics into deep tissues at disease sites. Here we summarize the recent advances in delivery of nanotherapeutics to inflammatory tissues or tumor microenvironments via neutrophil infiltration...
January 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29125067/evidence-of-size-dependent-effect-of-silica-micro-and-nano-particles-on-basal-and-specialized-monocyte-functions
#14
Mauricio C De Marzi, Martín Saraceno, Romina Mitarotonda, Marcos Todone, Marisa Fernandez, Emilio L Malchiodi, Martín F Desimone
AIM: To analyze the effect of silica particles on monocyte/macrophage functions. MATERIALS & METHODS: Silica micro- and nanoparticles were obtained by the Stöber method. Their effect on monocyte/macrophage proliferation, activation, membrane integrity and metabolic activity were determined. RESULTS: Silica particles inhibit cell proliferation while 10 nm nanoparticles (NPs) did not affect it. Similarly, silica particles induced strong cell activation...
December 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29125066/autonomous-self-navigating-drug-delivery-vehicles-from-science-fiction-to-reality
#15
Valery A Petrenko
Low efficacy of targeted nanomedicines in biological experiments enforced us to challenge the traditional concept of drug targeting and suggest a paradigm of 'addressed self-navigating drug-delivery vehicles,' in which affinity selection of targeting peptides and vasculature-directed in vivo phage screening is replaced by the migration selection, which explores ability of 'promiscuous' phages and their proteins to migrate through the tumor-surrounding cellular barriers, using a 'hub and spoke' delivery strategy, and penetrate into the tumor affecting the diverse tumor cell population...
December 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29125065/virus-like-nanoparticles-emerging-tools-for-targeted-cancer-diagnostics-and-therapeutics
#16
Frank Sainsbury
No abstract text is available yet for this article.
December 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29125064/pulmonary-aerosol-delivery-and-the-importance-of-growth-dynamics
#17
Allen E Haddrell, David Lewis, Tanya Church, Reinhard Vehring, Darragh Murnane, Jonathan P Reid
Aerosols are dynamic systems, responding to variations in the surrounding environmental conditions by changing in size, composition and phase. Although, widely used in inhalation therapies, details of the processes occurring on aerosol generation and during inhalation have received little attention. Instead, research has focused on improvements to the formulation of the drug prior to aerosolization and the resulting clinical efficacy of the treatment. Here, we highlight the processes that occur during aerosol generation and inhalation, affecting aerosol disposition when deposited and, potentially, impacting total and regional doses...
December 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29125063/implantable-systems-for-drug-delivery-to-the-brain
#18
Hemlata Kaurav, Deepak N Kapoor
Most diseases and disorders of the brain require long-term therapy and a constant supply of drugs. Implantable drug-delivery systems provide long-term, sustained drug delivery in the brain. The present review discusses different type of implantable systems such as solid implants, in situ forming implants, in situ forming microparticles, depot formulations, polymeric-lipid implants, sucrose acetate isobutyrate and N-stearoyl L-alanine methyl ester systems for continuous drug delivery into brain for various brain diseases including glioblastomas, medulloblastoma, epilepsy, stroke, schizophrenia and Alzheimer's diseases...
December 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29125062/drug-delivery-during-pregnancy-how-can-nanomedicine-be-used
#19
Medha D Joshi
No abstract text is available yet for this article.
December 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/29125061/an-industry-update-what-s-new-in-the-field-of-therapeutic-delivery
#20
Louise Rosenmayr-Templeton
No abstract text is available yet for this article.
December 2017: Therapeutic Delivery
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