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Amanda Dulan, Dan Sheridan, Mary Ann Laucher
No abstract text is available yet for this article.
November 2016: Nursing
Takayo Miyakogawa, Genta Kanai, Ryoko Tatsumi, Hiroo Takahashi, Kaichiro Sawada, Takatoshi Kakuta, Masafumi Fukagawa
BACKGROUND: Feasibility of photodynamic therapy (PDT) for secondary hyperparathyroidism (SHPT) was examined in a rat model of SHPT. METHODS: A photosensitizer, 5-aminolevulinic acid (5-ALA), was injected intraperitoneally, and the parathyroid glands were irradiated either after surgical exposure with 385-nm light or transdermally with 630-nm light from a light-emitting diode (LED) lamp. RESULTS: PDT with high 5-ALA and irradiation doses caused severe hypoparathyroidism in SHPT rats within two days...
October 18, 2016: Clinical and Experimental Nephrology
J M Keppel Hesselink, D J Kopsky, N Sajben
Topical treatments of localized neuropathic pain syndromes in general are mostly neglected, mainly due to the fact that most pain physicians expect that a topical formulation needs to result in a transdermal delivery of the active compounds. On the basis of the practical experience, this study brings forth a new, somewhat neglected element of the vulvodynia pathogenesis: the cross talk between the nerve endings of nociceptors, the adjacent immunocompetent cells, and vaginal epithelial cells. Insight into this cross talk during a pathogenic condition supports the treatment of vulvodynia with topical (compounded) creams...
2016: Journal of Pain Research
Angela Hou, Brandon Cohen, Adele Haimovic, Nada Elbuluk
BACKGROUND: Microneedling is a minimally invasive procedure that uses fine needles to puncture the epidermis. The microwounds created stimulate the release of growth factors and induce collagen production. The epidermis remains relatively intact, therefore helping to limit adverse events. The indications for microneedling therapy have grown significantly, and it is becoming a more widely used treatment in dermatology. OBJECTIVE: A comprehensive review of microneedling in human subjects and its applications in dermatology...
October 13, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Duncan C Gilbert, Trinh Duong, Howard G Kynaston, Abdulla A Alhasso, Fay H Cafferty, Stuart D Rosen, Subramanian Kanaga-Sundaram, Sanjay Dixit, Marc Laniado, Sanjeev Madaan, Gerald Collins, Alvan Pope, Andrew Welland, Matthew Nankivell, Richard Wassersug, Mahesh Kb Parmar, Ruth E Langley, Paul D Abel
OBJECTIVES: To compare quality of life (QoL) outcomes at 6 months between men with advanced prostate cancer (PCa) receiving either transdermal oestradiol (tE2) or LHRH agonists (LHRHa) for androgen deprivation therapy (ADT). PATIENTS AND METHODS: Men with locally advanced or metastatic PCa participating in an ongoing randomised, multi-centre UK trial comparing tE2 versus LHRHa for ADT were enrolled into a QoL sub-study. tE2 was delivered via 3 or 4 transcutaneous patches containing 100mcg of oestradiol/24 hours...
October 18, 2016: BJU International
Susan M Ott
No abstract text is available yet for this article.
October 18, 2016: Annals of Internal Medicine
Jillian Mullen, Charles W Mathias, Tara E Karns, Yuanyuan Liang, Nathalie Hill-Kapturczak, John D Roache, Richard J Lamb, Donald M Dougherty
OBJECTIVE: The purpose of this study was to determine if behavioral impulsivity under multiple conditions (baseline, after alcohol consumption or after serotonin depletion) predicted naturalistic alcohol use or treatment outcomes from a moderation-based contingency management intervention. METHOD: The current data analysis pulls information from three phases of a large study: 1) Phase 1 examined baseline and the effects of alcohol use and serotonin depletion on three types of behavioral impulsivity: response initiation (IMT task), response inhibition (GoStop task), and delay discounting (SKIP task); 2) Phase 2 involved 28 days of naturalistic drinking; and 3) Phase 3 involved 3 months of contingency management...
September 2016: Addictive Disorders & Their Treatment
Yoon Seob Kim, Kwan Ho Jeong, Jung Eun Kim, Young Jun Woo, Beom Joon Kim, Hoon Kang
BACKGROUND: Microneedle is a method that creates transdermal microchannels across the stratum corneum barrier layer of skin. No previous study showed a therapeutic effect of microneedle itself on hair growth by wounding. OBJECTIVE: The aim of this study is to investigate the effect of repeated microwound formed by microneedle on hair growth and hair growth-related genes in a murine model. METHODS: A disk microneedle roller was applied to each group of mice five times a week for three weeks...
October 2016: Annals of Dermatology
Carmen Cheng, Lois La Grenade, Ida-Lina Diak, Allen Brinker, Robert L Levin
OBJECTIVE: To identify and characterize cases of chemical leukoderma, an underrecognized adverse event, associated with the methylphenidate transdermal system (MTS) reported to the US Food and Drug Administration Adverse Event Reporting System (FAERS). STUDY DESIGN: We searched the Food and Drug Administration Adverse Event Reporting System for reports of chemical leukoderma associated with MTS, received by the Food and Drug Administration from April 6, 2006 to December 23, 2014...
October 10, 2016: Journal of Pediatrics
Giuseppe Pontrelli, Marco Lauricella, José A Ferreira, Gonçalo Pena
We present a multi-layer mathematical model to describe the transdermal drug release from an iontophoretic system. The Nernst-Planck equation describes the basic convection-diffusion process, with the electric potential obtained by solving the Laplace's equation. These equations are complemented with suitable interface and boundary conditions in a multi-domain. The stability of the mathematical problem is discussed in different scenarios and a finite-difference method is used to solve the coupled system. Numerical experiments are included to illustrate the drug dynamics under different conditions...
October 13, 2016: Mathematical Medicine and Biology: a Journal of the IMA
S P Mollan, P A Keane, A K Denniston
PurposeThe diagnosis of Giant Cell Arteritis (GCA) is an area of major challenge. This is the first reported use of the directed use of transdermal optical coherence tomography (OCT) to image the superficial temporal artery (STA).MethodsThis proof of concept study used a commercially available transdermal OCT instrument to identify and image the STA in eight patients (suspected GCA, confirmed GCA, and in healthy controls). Three cases are presented to demonstrate the preliminary imaging findings.ResultsIn all eight cases the STA was identified...
October 14, 2016: Eye
Zhi Su, Deborah Widomski, Ji Ma, Marian Namovic, Arthur Nikkel, Laura Leys, Lauren Olson, Katherine Salte, Diana Donnelly-Roberts, Timothy Esbenshade, Steve McGaraughty
BACKGROUND: Obese ZSF-1 rats display many features of human type II diabetes including nephropathy (DN). The study aimed to further understand the relevance of this model to DN, for which glomerular filtration rate (GFR), renal fibrosis and several urinary/tissue biomarkers was followed over 24 weeks in ZSF-1 rats. METHODS: Intact/sham or uninephrectomized male and female ZSF-1 rats were studied. GFR was measured by transdermal clearance of fluorescein isothiocyanate-sinistrin...
October 14, 2016: American Journal of Nephrology
Renxin Wang, Wei Wang, Zhihong Li
Silicon microneedle arrays (MNAs) have been widely studied due to their potential in various transdermal applications. However, discrete MNAs, as a preferred choice to fabricate flexible penetrating devices that could adapt curved and elastic tissue, are rarely reported. Furthermore, the reported discrete MNAs have disadvantages lying in uniformity and height-pitch ratio. Therefore, an improved technique is developed to manufacture discrete MNA with tunable height-pitch ratio, which involves KOH-dicing-KOH process...
October 9, 2016: Sensors
Daniel Jardines, Francesco Botrè, Cristiana Colamonici, Davide Curcio, Gemma Procida, Xavier de la Torre
The detection of the abuse of pseudo-endogenous steroids (testosterone and/or its precursors) is currently based on the application of the steroid module of the World Antidoping Agency (WADA), Athletes' Biological Passport (ABP), implemented through ADAMS. Diagnostic metabolites are monitored for every athlete and statistically evaluated with a predictive Bayesian approach. In the case of suspicious samples, the data of the ABP are confirmed and the isotope ratio mass spectrometry (IRMS) test is activated. We have previously demonstrated that IRMS enables confirmation of the non-endogenous origin of pseudo-endogenous steroids in otherwise non-suspicious samples, after a longitudinal evaluation of the ABP, even after the inclusion of additional long term diagnostic hydroxylated metabolites, and that the delta values of the parameters obtained during the IRMS confirmation process presented a much lesser variability compared to the parameters of the ABP...
October 12, 2016: Drug Testing and Analysis
Amy O'Donnell, Catherine McParlin, Stephen C Robson, Fiona Beyer, Eoin Moloney, Andrew Bryant, Jennifer Bradley, Colin Muirhead, Catherine Nelson-Piercy, Dorothy Newbury-Birch, Justine Norman, Emma Simpson, Brian Swallow, Laura Yates, Luke Vale
BACKGROUND: Nausea and vomiting in pregnancy (NVP) affects up to 85% of all women during pregnancy, but for the majority self-management suffices. For the remainder, symptoms are more severe and the most severe form of NVP - hyperemesis gravidarum (HG) - affects 0.3-1.0% of pregnant women. There is no widely accepted point at which NVP becomes HG. OBJECTIVES: This study aimed to determine the relative clinical effectiveness and cost-effectiveness of treatments for NVP and HG...
October 2016: Health Technology Assessment: HTA
Sheena Derry, Cathy Stannard, Peter Cole, Philip J Wiffen, Roger Knaggs, Dominic Aldington, R Andrew Moore
BACKGROUND: Opioid drugs, including fentanyl, are commonly used to treat neuropathic pain, and are considered effective by some professionals. Most reviews have examined all opioids together. This review sought evidence specifically for fentanyl, at any dose, and by any route of administration. Other opioids are considered in separate reviews. OBJECTIVES: To assess the analgesic efficacy of fentanyl for chronic neuropathic pain in adults, and the adverse events associated with its use in clinical trials...
October 11, 2016: Cochrane Database of Systematic Reviews
Ken Ikeda, Takehisa Hirayama, Takanori Takazawa, Kiyokazu Kawabe, Yasuo Iwasaki
Objective Parkinson's disease (PD) is characterized by the progressive degeneration of the nigrostriatal dopaminergic neurons. Rotigotine is a non-ergot dopamine receptor agonist (DA). Its transdermal patch maintains the effective concentrations for 24 hours. Freezing of gait (FOG) is a common and devastating symptom in PD patients. Little is known about therapeutic effects of rotigotine on FOG in PD patients. Herein we compared how three non-ergot DAs of rotigotine, pramipexole LA and ropinirole CR influence FOG, besides classical motor deficits in PD patients...
2016: Internal Medicine
M Schönfelder, H Hofmann, T Schulz, T Engl, D Kemper, B Mayr, C Rautenberg, R Oberhoffer, D Thieme
Administration of low amounts of endogenous hormones - so called micro-dosages - are supposed to represent a major challenge in doping analysis. To model such a situation, we have studied transdermal administrations of 2.4 mg/24 h testosterone patches and examined various steroid concentrations in blood, urine and saliva of 11 volunteers. Multiple samples were collected at t = 0, 3, 6, 9, 24, 48 and 72 h in four different phases, i.e. all combinations with/without physical exercise and with/without testosterone...
October 10, 2016: Drug Testing and Analysis
Kevin M Fain, Carlos Castillo-Salgado, David D Dore, Jodi B Segal, Andrew R Zullo, G Caleb Alexander
OBJECTIVE: We quantified transdermal fentanyl prescribing in elderly nursing home residents without prior opioid use or persistent pain, and the association of individual and facility traits with opioid-naïve prescribing. DESIGN: Cross-sectional study. SETTING: Linked Minimum Data Set (MDS) assessments; Online Survey, Certification and Reporting (OSCAR) records; and Medicare Part D claims. PARTICIPANTS: From a cross-section of all long-stay US nursing home residents in 2008 with an MDS assessment and Medicare Part D enrollment, we identified individuals (≥65 years old) who initiated transdermal fentanyl, excluding those with Alzheimer disease, severe cognitive impairment, cancer, or receipt of hospice care...
October 6, 2016: Journal of the American Medical Directors Association
Hao Wang, Giorgia Pastorin, Chengkuo Lee
A wearable adhesive skin patch for transdermal drug delivery is developed with bendable microneedles, dry adhesive and triboelectric energy harvester (TEH). The bendable microneedle array can overcome the needle breakage issue. The dry adhesive can realize a conformal attachment. The TEH can generate power when attached on flat skin or joint to power active components to be integrated in the future.
September 2016: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
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