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https://www.readbyqxmd.com/read/28448266/a-prospective-randomized-blinded-controlled-trial-comparing-transdermal-continuous-oxygen-delivery-to-moist-wound-therapy-for-the-treatment-of-diabetic-foot-ulcers
#1
Vickie R Driver, Alexander Reyzelman, Jill Kawalec, Michael French
Worldwide, diabetic foot ulcers (DFUs) continue to exact a major burden on patients and health care providers. Although hyperbaric oxygen therapy is well-known as an adjunct option, less is known about the efficacy of transdermal continuous oxygen therapy (TCOT). A prospective, randomized, blinded, multicenter, parallel study was conducted from October 2009 to November 2012 to evaluate healing time and the proportion of DFUs healed after 12 weeks of moist wound therapy (MWT) with or without TCOT. Study participants (persons with type 1 or type 2 diabetes and a nonhealing [>1-month but <1-year duration], 1 cm² to 10 cm² in area, infection-free DFU) were randomized to TCOT or a sham device (control) in addition to receiving MWT...
April 2017: Ostomy/wound Management
https://www.readbyqxmd.com/read/28447799/enhanced-transdermal-delivery-by-combined-application-of-dissolving-microneedle-patch-on-serum-treated-skin
#2
Suyong Kim, Manita Dangol, Geonwoo Kang, Shayan F Lahiji, Huisuk Yang, Mingyu Jang, Yonghao Ma, Chengguo Li, Sang Gon Lee, Chang Hyun Kim, Young Wook Choi, So Jeong Kim, Ja Hyun Ryu, Ji Hwoon Baek, Jaesuk Koh, Hyungil Jung
Dissolving microneedle (DMN), a transdermal drug delivery system in which drugs are encapsulated in a biodegradable polymeric micro-structure, is designed to dissolve after skin penetration and release the encapsulated drugs into the body. However, due to limited loading capacity of drugs within micro-sized structures, only small dosage can be delivered which are often insufficient for patients. We propose a novel DMN application that combines topical and DMN application simultaneously to improve skin permeation efficiency...
April 27, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28447448/lanthanide-organic-gels-logs-as-a-multifunctional-supramolecular-smart-platform
#3
José Yago Rodrigues Silva, Leonis Lourenço da Luz, Filipe Gabriel Martinez Mauricio, Iane Bezerra Vasconcelos Alves, Jamylle Nunes de Souza Ferro, Emiliano Barreto, Ingrid Tavora Weber, Walter Mendes de Azevedo, Severino Alves Júnior
A multifunctional smart supramolecular platform based on a lanthanide-organic hydrogel is presented. This platform, which provides unique biocompatibility and tunable optical properties, is synthesized by a simple, fast and reproducible eco-friendly microwave-assisted route. Photoluminescent properties enable the production of coated light-emitting diodes (LED), unique luminescent barcodes dependent on the excitation wavelength and thin-films for use in tamper seals. Moreover, piroxicam entrapped in hydrogel acts as a transdermal drug release device efficient in inhibiting edemas compared to a commercial reference...
April 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28446424/hormone-supplementation-for-pubertal-induction-in-girls
#4
REVIEW
Debbie Matthews, Louise Bath, Wolfgang Högler, Avril Mason, Arlene Smyth, Mars Skae
Pubertal induction in girls with ovarian insufficiency aims to mimic normal puberty, a highly complex process. Here we amalgamate the sparse global evidence and propose three options for pubertal induction regimens including oral ethinyloestradiol, and oral and transdermal 17β-oestradiol. The introduction of progestogens is discussed and the transition to hormone supplementation for adult women. The merits and disadvantages of the different options are detailed. The available evidence indicates that transdermal 17β-oestradiol has the most favourable efficacy, safety and cost profile but randomised controlled trials are urgently required to determine which regimen provides the best clinical outcomes...
April 26, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28444555/evaluating-the-effectiveness-of-a-novel-atomized-liquid-needle-free-transdermal-delivery-system
#5
Yi-Huei Huang, Chieh-Shen Hu, Yi-Jhen Ke, Chiao-Hsi Chiang, Po-Da Hong, Ming-Kung Yeh
Needle-free jet injections constitute a crucial method for drug delivery. A novel liquid drug delivery system has been proposed recently, in which pressure atomizes liquid before delivering that atomized liquid to the patient's body; however, the mechanism and efficiency of the system are unclear. This study explored the shot delivery pressure, penetration depth, and cumulative amount of permeation of this system. This system was used to deliver 0.5% (w/v) methylene blue to agarose phantoms at various shot delivery pressures...
April 25, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28441989/ara-h2-levels-in-dust-from-homes-of-individuals-with-peanut-allergy-and-individuals-with-peanut-tolerance
#6
Jodi Shroba, Charles Barnes, Maya Nanda, Chitra Dinakar, Christina Ciaccio
BACKGROUND: Approximately 1% of the U.S. population has a peanut allergy. Previous studies that measured peanut protein in house dust support the hypothesis that household peanut consumption may lead to clinical sensitization through transdermal exposure. OBJECTIVE: The aim of this pilot study was to characterize Ara h2 levels in house dust from homes with and without individuals with peanut allergy. METHODS: Household dust was obtained from homes with an individual with peanut allergy and from homes with no individual with peanut allergy...
May 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28439156/diclofenac-transdermal-patch-a-potential-ingress-to-maxillofacial-surgery
#7
Anisha Perepa, Brig Ramen Sinha, Uday Kiran Uppada, Avss Subramanya Kumar
PURPOSE: To evaluate the analgesic efficacy of a diclofenac transdermal patch with diclofenac intra muscular injection in the immediate postoperative period in patients undergoing major oral surgical procedures. MATERIALS AND METHODS: Subjects who underwent bijaw surgeries for surgical correction of various dentofacial deformities were included. Sixty such patients who belonged to the above entity were randomly categorized into two groups from Jan 2012-Aug 2015...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28432615/fabrication-physicochemical-characterization-and-performance-evaluation-of-biodegradable-polymeric-microneedle-patch-system-for-enhanced-transcutaneous-flux-of-high-molecular-weight-therapeutics
#8
Viral Shah, Bijaya Krushna Choudhury
A revolutionary paradigm shift is being observed currently, towards the use of therapeutic biologics for disease management. The present research was focused on designing an efficient dosage form for transdermal delivery of α-choriogonadotropin (high molecular weight biologic), through biodegradable polymeric microneedles. Polyvinylpyrrolidone-based biodegradable microneedle arrays loaded with high molecular weight polypeptide, α-choriogonadotropin, were fabricated for its systemic delivery via transdermal route...
April 21, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28431812/potency-of-whole-virus-particle-and-split-virion-vaccines-using-dissolving-microneedle-against-challenges-of-h1n1-and-h5n1-influenza-viruses-in-mice
#9
Akihiro Nakatsukasa, Koji Kuruma, Masatoshi Okamatsu, Takahiro Hiono, Mizuho Suzuki, Keita Matsuno, Hiroshi Kida, Takayoshi Oyamada, Yoshihiro Sakoda
Transdermal vaccination using a microneedle (MN) confers enhanced immunity compared with subcutaneous (SC) vaccination. Here we developed a novel dissolving MN patch for the influenza vaccine. The potencies of split virion and whole virus particle (WVP) vaccines prepared from A/Puerto Rico/8/1934 (H1N1) and A/duck/Hokkaido/Vac-3/2007 (H5N1), respectively, were evaluated. MN vaccination induced higher neutralizing antibody responses than SC vaccination in mice. Moreover, MN vaccination with a lower dose of antigens conferred protective immunity against lethal challenges of influenza viruses than SC vaccination in mice...
April 18, 2017: Vaccine
https://www.readbyqxmd.com/read/28429459/nitric-oxide-donors-nitrates-l-arginine-or-nitric-oxide-synthase-inhibitors-for-acute-stroke
#10
REVIEW
Philip Mw Bath, Kailash Krishnan, Jason P Appleton
BACKGROUND: Nitric oxide (NO) has multiple effects that may be beneficial in acute stroke, including lowering blood pressure, and promoting reperfusion and cytoprotection. Some forms of nitric oxide synthase inhibition (NOS-I) may also be beneficial. However, high concentrations of NO are likely to be toxic to brain tissue. This is an update of a Cochrane review first published in 1998, and last updated in 2002. OBJECTIVES: To assess the safety and efficacy of NO donors, L-arginine, and NOS-I in people with acute stroke...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28426619/committee-opinion-no-698-hormone-therapy-in-primary-ovarian-insufficiency
#11
(no author information available yet)
Primary ovarian insufficiency describes a spectrum of declining ovarian function and reduced fecundity due to a premature decrease in initial follicle number, an increase in follicle destruction, or poor follicular response to gonadotropins. The sequelae of primary ovarian insufficiency include vasomotor symptoms, urogenital atrophy, osteoporosis and fracture, cardiovascular disease, and increased all-cause mortality. In women with primary ovarian insufficiency, systemic hormone therapy (HT) is an effective approach to treat the symptoms of hypoestrogenism and mitigate long-term health risks if there are no contraindications to treatment...
May 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28426614/committee-opinion-no-698-summary-hormone-therapy-in-primary-ovarian-insufficiency
#12
(no author information available yet)
Primary ovarian insufficiency describes a spectrum of declining ovarian function and reduced fecundity due to a premature decrease in initial follicle number, an increase in follicle destruction, or poor follicular response to gonadotropins. The sequelae of primary ovarian insufficiency include vasomotor symptoms, urogenital atrophy, osteoporosis and fracture, cardiovascular disease, and increased all-cause mortality. In women with primary ovarian insufficiency, systemic hormone therapy (HT) is an effective approach to treat the symptoms of hypoestrogenism and mitigate long-term health risks if there are no contraindications to treatment...
May 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28426265/transdermal-iontophoresis-patch-with-reverse-electrodialysis
#13
Joon Lee, Kilsung Kwon, Minyoung Kim, Joonhong Min, Nathaniel S Hwang, Won-Serk Kim
Reverse electrodialysis (RED) technology generates energy from the salinity gradient by contacting waters with different salinity. Herein, we develop the disposable skin patch using this eco-friendly energy. The current density, which can be controlled easily without special circuit, is enough to iontophoretic drug delivery. In vitro study, this iontophoretic system enhanced the transdermal delivery of peptide, which is difficult to penetrate the skin barrier by simple diffusion. We design the disposable iontophoretic skin patch using RED system and suggest this patch can be apply on new cosmetic patch or disposable drug patch...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28424755/rapid-low-cost-prototyping-of-transdermal-devices-for-personal-healthcare-monitoring
#14
Sanjiv Sharma, Anwer Saeed, Christopher Johnson, Nikolaj Gadegaard, Anthony Eg Cass
The next generation of devices for personal healthcare monitoring will comprise molecular sensors to monitor analytes of interest in the skin compartment. Transdermal devices based on microneedles offer an excellent opportunity to explore the dynamics of molecular markers in the interstitial fluid, however good acceptability of these next generation devices will require several technical problems associated with current commercially available wearable sensors to be overcome. These particularly include reliability, comfort and cost...
April 2017: Sensing and Bio-Sensing Research
https://www.readbyqxmd.com/read/28423052/inflammation-induced-fetal-growth-restriction-in-rats-is-associated-with-increased-placental-hif-1%C3%AE-accumulation
#15
Kevin P Robb, Tiziana Cotechini, Camille Allaire, Arissa Sperou, Charles H Graham
INTRODUCTION: Hypoxia-inducible factor 1-alpha (HIF-1α) is the oxygen-sensitive subunit of the transcription factor HIF-1, and its expression is increased in placentas from pregnancies complicated by pre-eclampsia (PE). Fetal growth restriction (FGR) and PE often share a common pathophysiology; however, it is unknown whether increased placental HIF-1α occurs in FGR. We previously demonstrated that aberrant maternal inflammation in rats resulted in altered utero-placental perfusion and FGR, both of which were prevented by administration of the nitric oxide mimetic glyceryl trinitrate (GTN)...
2017: PloS One
https://www.readbyqxmd.com/read/28421874/pharmacokinetics-safety-and-tolerability-of-a-novel-tocopheryl-phosphate-mixture-oxycodone-transdermal-patch-system-a-phase-i-study
#16
Paul D Gavin, Lee S Simon, Thomas Schlagheck, Alisha J Smith, Sepehr Shakib
AIM: To characterize the pharmacokinetic profile and evaluate the safety and tolerability of a transdermal oxycodone patch containing tocopheryl phosphate mixture (TPM). PATIENTS & METHODS: Eleven healthy subjects received a single application of three TPM/oxycodone patches applied to the torso for 72 h. RESULTS: Oxycodone was detected 8.0 ± 2.7-h postpatch administration, reaching a mean maximum plasma concentration of 3.41 ± 1.34 ng/ml at 49...
April 19, 2017: Pain Management
https://www.readbyqxmd.com/read/28420586/impaired-oral-absorption-of-methylphenidate-after-roux-en-y-gastric-bypass
#17
REVIEW
Carmil Azran, Peter Langguth, Arik Dahan
The anatomic and physiologic changes in the gastrointestinal (GI) tract after bariatric surgery may significantly affect the pharmacokinetics of medications taken by the patients for various reasons. Unfortunately, there is little information regarding changes in drug absorption after bariatric surgeries, limiting the ability of medical professionals to produce clear recommendations on what changes should be made to the formulations and dosing regimens of drugs after bariatric surgery. In this article, we report and analyze a case of 52-year-old male patient with morbid obesity and attention-deficit/hyperactivity disorder (ADHD) who experienced lack of methylphenidate efficacy after Roux en-Y gastric bypass (RYGB), which was eventually resolved by using the transdermal patch instead of an oral product...
March 9, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28419458/therapeutic-potential-of-novel-formulated-forms-of-curcumin-in-the-treatment-of-breast-cancer-by-the-targeting-of-cellular-and-physiological-dysregulated-pathways
#18
REVIEW
Amir Tajbakhsh, Malihe Hasanzadeh, Mehdi Rezaee, Mostafa Khedri, Majid Khazaei, Soodabeh Shahid Sales, Gordon A Ferns, Seyed Mahdi Hassanian, Amir Avan
Breast cancer is among the most important causes of cancer related death in women. There is a need for novel agents for targeting key signaling pathways to either improve the efficacy of the current therapy, or reduce toxicity. There is some evidence that curcumin may have antitumor activity in breast cancer. Several clinical trials have investigated its activity in patients with breast cancer, including a recent trial in breast cancer patients receiving radiotherapy, in whom it was shown that curcumin reduced the severity of radiation dermatitis, although it is associated with low bioavailability...
April 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28418076/ultrasonic-modulation-of-tissue-optical-properties-in-ex-vivo-porcine-skin-to-improve-transmitted-transdermal-laser-intensity
#19
Paul J D Whiteside, Chenxi Qian, Nicholas Golda, Heather K Hunt
BACKGROUND AND OBJECTIVE: Applications of light-based energy devices involving optical targets within the dermis frequently experience negative side-effects resultant from surface scattering and excess optical absorption by epidermal melanin. As a broadband optical absorber, melanin decreases the efficacy of light-based treatments throughout the ultraviolet, visible, and near-infrared spectra while also generating additional heat within the surface tissue that can lead to inflammation or tissue damage...
April 18, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28415907/transdermal-oxycodone-patch-for-the-treatment-of-postherpetic-neuralgia-a-randomized-double-blind-controlled-trial
#20
Paul D Gavin, Louise Tremper, Alisha Smith, Gemma Williams, Charles Brooker
AIM: To evaluate the efficacy, systemic exposure, safety and tolerability of a transdermal oxycodone patch containing tocopheryl phosphate mixture (TPM) in patients with postherpetic neuralgia (PHN). PATIENTS & METHODS: The study was a Phase IIa, multicenter, randomized, double-blind, vehicle-controlled crossover study. RESULTS: While the TPM/oxycodone patch did not significantly improve 'average' Numeric Pain Rating Scale scores versus vehicle patch, patients reporting high levels of paresthesia (n = 9) showed a trend toward improved pain reduction...
April 18, 2017: Pain Management
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