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https://www.readbyqxmd.com/read/29454062/laser-assisted-delivery-of-synergistic-combination-chemotherapy-in-in-vivo-skin
#1
Emily Wenande, Joshua Tam, Brijesh Bhayana, Steven Kyle Schlosser, Emily Ishak, William A Farinelli, Agata Chlopik, Mai P Hoang, Omar R Pinkhasov, Peter Caravan, R Rox Anderson, Merete Haedersdal
The effectiveness of topical drugs for treatment of non-melanoma skin cancer is greatly reduced by insufficient penetration to deep skin layers. Ablative fractional lasers (AFLs) are known to enhance topical drug uptake by generating narrow microchannels through the skin, but information on AFL-drug delivery in in vivo conditions is limited. In this study, we examined pharmacokinetics, biodistribution and toxicity of two synergistic chemotherapy agents, cisplatin and 5-fluorouracil (5-FU), following AFL-assisted delivery alone or in combination in in vivo porcine skin...
February 14, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29453982/glucagon-like-peptide-1-contributes-to-increases-abca1-expression-by-downregulating-mir-758-to-regulate-cholesterol-homeostasis
#2
Yue Yao, Qiang Li, Ping Gao, Wei Wang, Lili Chen, Jinchao Zhang, Yi Xu
Abnormal regulation of lipid metabolism is associated with type 2 diabetes mellitus (T2DM). GLP-1 as a new treatment for T2DM, has unique effects in modulating cholesterol homeostasis. However, the mechanism of this effect is largely missing. The aim of this study was to determine the effects of GLP-1 on cholesterol-induced lipotoxicity in hepatocytes and examine the underlying mechanisms. The cell viability was determined, and caspase-3 was used to detect the effects of GLP-1 on cholesterol-induced apoptosis...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453950/towards-elimination-of-schistosomiasis-after-5000-years-of-endemicity-in-egypt
#3
REVIEW
Iman F Abou-El-Naga
Schistosomiasis is a snail-transmitted infectious disease caused by a long lasting infection with a blood fluke of the genus Schistosoma. S. haematobium and S. mansoni are the species endemic in Egypt. The country has been plagued and seriously suffered from schistosomiasis over the past 5000 years. Great strides had been done in controlling the disease since 1922. The history, epidemiology and the different control approaches were reviewed. Currently, Egypt is preparing towards schistosomiasis elimination by 2020...
February 14, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29453910/advanced-spectrophotometric-chemometric-methods-for-resolving-the-binary-mixture-of-doxylamine-succinate-and-pyridoxine-hydrochloride
#4
Plamen Katsarov, Georgi Gergov, Aylin Alin, Bissera Pilicheva, Yahya Al-Degs, Vasil Simeonov, Margarita Kassarova
The prediction power of partial least squares (PLS) and multivariate curve resolution-alternating least squares (MCR-ALS) methods have been studied for simultaneous quantitative analysis of the binary drug combination - doxylamine succinate and pyridoxine hydrochloride. Analysis of first-order UV overlapped spectra was performed using different PLS models - classical PLS1 and PLS2 as well as partial robust M-regression (PRM). These linear models were compared to MCR-ALS with equality and correlation constraints (MCR-ALS-CC)...
March 1, 2018: Acta Pharmaceutica
https://www.readbyqxmd.com/read/29453841/beyond-cost-benefit-analysis-in-the-governance-of-synthetic-biology
#5
Wendell Wallach, Marc Saner, Gary Marchant
For many innovations, oversight fits nicely within existing governance mechanisms; nevertheless, others pose unique public health, environmental, and ethical challenges. Synthetic artemisinin, for example, has many precursors in laboratory-developed drugs that emulate natural forms of the same drug. The policy challenges posed by synthetic artemisinin do not differ significantly in kind from other laboratory-formulated drugs. Synthetic biofuels and gene drives, however, fit less clearly into existing governance structures...
January 2018: Hastings Center Report
https://www.readbyqxmd.com/read/29453454/a-microvascularized-tumor-mimetic-platform-for-assessing-anti-cancer-drug-efficacy
#6
Shantanu Pradhan, Ashley M Smith, Charles J Garson, Iman Hassani, Wen J Seeto, Kapil Pant, Robert D Arnold, Balabhaskar Prabhakarpandian, Elizabeth A Lipke
Assessment of anti-cancer drug efficacy in in vitro three-dimensional (3D) bioengineered cancer models provides important contextual and relevant information towards pre-clinical translation of potential drug candidates. However, currently established models fail to sufficiently recapitulate complex tumor heterogeneity. Here we present a chip-based tumor-mimetic platform incorporating a 3D in vitro breast cancer model with a tumor-mimetic microvascular network, replicating the pathophysiological architecture of native vascularized breast tumors...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453446/environmental-genetic-and-epigenetic-contributions-to-cocaine-addiction
#7
REVIEW
R Christopher Pierce, Bruno Fant, Sarah E Swinford-Jackson, Elizabeth A Heller, Wade H Berrettini, Mathieu E Wimmer
Decades of research on cocaine has produced volumes of data that have answered many important questions about the nature of this highly addictive drug. Sadly, none of this information has translated into the development of effective therapies for the treatment of cocaine addiction. This review endeavors to assess the current state of cocaine research in an attempt to identify novel pathways for therapeutic development. For example, risk of cocaine addiction is highly heritable but genome-wide analyses comparing cocaine-dependent individuals to controls have not resulted in promising targets for drug development...
February 5, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29453305/frequency-and-outcomes-of-reduced-dose-non-vitamin-k-antagonist-anticoagulants-results-from-orbit-af-ii-the-outcomes-registry-for-better-informed-treatment-of-atrial-fibrillation-ii
#8
Benjamin A Steinberg, Peter Shrader, Karen Pieper, Laine Thomas, Larry A Allen, Jack Ansell, Paul S Chan, Michael D Ezekowitz, Gregg C Fonarow, James V Freeman, Bernard J Gersh, Peter R Kowey, Kenneth W Mahaffey, Gerald V Naccarelli, James A Reiffel, Daniel E Singer, Eric D Peterson, Jonathan P Piccini
BACKGROUND: Non-vitamin K antagonist oral anticoagulants (NOACs) are indicated for stroke prevention in atrial fibrillation (AF) but require lower doses in certain patients. We sought to describe the frequency, appropriateness (according to Food and Drug Administration labeling), and outcomes of patients prescribed reduced doses of NOACs in community practice. METHODS AND RESULTS: We analyzed data from the ORBIT-AF II (The Outcomes Registry for Better Informed Treatment of Atrial Fibrillation II) registry, a prospective, national, observational registry of AF patients...
February 16, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29453188/web-based-alcohol-smoking-and-substance-involvement-screening-test-results-for-the-general-spanish-population-cross-sectional-study
#9
Juan A Lopez-Rodriguez, Gabriel Rubio Valladolid
BACKGROUND: Information technology in health sciences could be a screening tool of great potential and has been shown to be effective in identifying single-drug users at risk. Although there are many published tests for single-drug screening, there is a gap for concomitant drug use screening in general population. The ASSIST (Alcohol, Smoking and Substance Involvement Screening Test) website was launched on February 2015 in Madrid, Spain, as a tool to identify those at risk. OBJECTIVE: The aim of this study was to describe the use of a tool and to analyze profiles of drug users, their consumption patterns, and associated factors...
February 16, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29453006/illicit-and-prescription-drug-misuse-as-reported-to-the-maine-diversion-alert-program
#10
Brian J Piper, Michael J Suarez, John P Piserchio, Dipam T Shah, Olapeju M Simoyan, Kenneth L McCall, Clare E Desrosiers, Stephanie D Nichols
BACKGROUND: The opioid epidemic is rapidly evolving and new tools are needed to combat drug abuse. The Maine Diversion Alert Program (DAP) is an informational resource that facilitates communication about drug arrests between the criminal justice and healthcare fields. The objectives of this report were to: (1) describe the illegal and prescription pharmaceuticals reported to the DAP; (2) determine if the drugs implicated in arrests changed from the first to latter half of 2016; (3) identify the demographic and other characteristics of arrestees; and (4) outline the strengths and limitations of the DAP for other areas considering implementing similar programs...
February 6, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29452927/toward-prediction-and-control-of-antibiotic-resistance-evolution
#11
REVIEW
Chikara Furusawa, Takaaki Horinouchi, Tomoya Maeda
The emergence of antibiotic-resistant bacteria is a serious public concern. To deal with this problem, recent advances in technology and the use of laboratory evolution experiments have provided valuable information on the phenotypic and genotypic changes that occur during the evolution of resistance. These studies have demonstrated the existence of evolutionary constraints on the development of drug-resistance, which suggests predictability in its evolution. In this review, we focus on the possibility to predict and control the evolution of antibiotic resistance, based on quantitative analysis of phenotypic and genotypic changes observed in bacterial laboratory evolution...
February 13, 2018: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/29452620/pathogen-specific-bacterial-imaging-in-nuclear-medicine
#12
REVIEW
Alvaro A Ordonez, Sanjay K Jain
When serious infections are suspected, patients are often treated empirically with broad-spectrum antibiotics while awaiting results that provide information on the bacterial class and species causing the infection, as well as drug susceptibilities. For deep-seated infections, these traditional diagnostic techniques often rely on tissue biopsies to obtain clinical samples which can be expensive, dangerous, and has the potential of sampling bias. Moreover, these procedures and results can take several days and may not always provide reliable information...
March 2018: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/29452562/deciphering-the-sunshine-act-transparency-regulation-and-financial-conflicts-in-health-care
#13
Richard S Saver
The Physician Payments Sunshine Act ("Sunshine Act"), enacted to address financial conflicts in health care, is the first comprehensive federal legislation mandating public reporting of payments between drug companies, device manufacturers, and medicine. This article analyzes the Sunshine Act's uneven record, exploring how the law serves as an intriguing example of the uncertain case for transparency regulation in health care. The Sunshine Act's bumpy rollout demonstrates that commanding transparency through legislation can be arduous because of considerable implementation challenges...
November 2017: American Journal of Law & Medicine
https://www.readbyqxmd.com/read/29452560/health-care-efficiencies-consolidation-and-alternative-models-vs-health-care-and-antitrust-regulation-irreconcilable-differences
#14
Michael W King
Despite the U.S. substantially outspending peer high income nations with almost 18% of GDP dedicated to health care, on any number of statistical measurements from life expectancy to birth rates to chronic disease, 1 the U.S. achieves inferior health outcomes. In short, Americans receive a very disappointing return on investment on their health care dollars, causing economic and social strain. 2 Accordingly, the debates rage on: what is the top driver of health care spending? Among the culprits: poor communication and coordination among disparate providers, paperwork required by payors and regulations, well-intentioned physicians overprescribing treatments, drugs and devices, outright fraud and abuse, and medical malpractice litigation...
November 2017: American Journal of Law & Medicine
https://www.readbyqxmd.com/read/29452111/recent-progress-in-drug-targets-and-inhibitors-towards-combating-leishmaniasis
#15
REVIEW
Vijayakumar Saravanan, Pradeep Das
Lesihmaniasis is one of the major neglected tropical disease caused by the parasite of the genus Leishmania. The disease has more than one clinical forms and the visceral form is considered fatal. With the lack of potential vaccine, chemotherapy is the major treatment source considered for the control of the disease in the infected people. Drugs including amphotericin B and miltefosine are widely used for the treatment, however, development of resistance by the parasite towards the administered drug and high-toxicity of the drug are of major concern...
February 13, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29452067/alcohol-and-drug-use-among-deaf-and-hard-of-hearing-individuals-a-secondary-analysis-of-nhanes-2013-2014
#16
Melissa L Anderson, Bei-Hung Chang, Nisha Kini
BACKGROUND: Within the field of behavioral health research, one of the most understudied populations is the U.S. Deaf and hard-of-hearing (D/HH) population - a diverse group of individuals with hearing loss that have varied language and communication preferences, community affiliations, and sociocultural norms. Recent research identified concerning behavioral health disparities experienced by the D/HH population; yet, little research has been conducted to extend these findings to the topic of substance use disorder...
February 16, 2018: Substance Abuse
https://www.readbyqxmd.com/read/29452065/past-year-nonmedical-use-of-prescription-drugs-among-women-on-probation-and-parole-a-cross-sectional-study
#17
Martin T Hall, Diana Ball, Jeanelle Sears, George E Higgins, T K Logan, Seana Golder
BACKGROUND: Prescription drug-related overdose deaths have increased dramatically in recent years. Women in the justice system experience high rates of drug use, victimization, trauma symptoms, and other health problems, and would appear to be at high risk for nonmedical use of prescription drugs (NMUPD). This study will be among the first to describe prevalence and correlates of NMUPD among this population. METHODS: This cross-sectional study collected data from 406 victimized women on probation and parole between 2010 and 2012...
February 16, 2018: Substance Abuse
https://www.readbyqxmd.com/read/29451815/gender-differences-in-substance-use-treatment-and-substance-use-among-adults-on-probation
#18
Jennifer M Reingle Gonzalez, Scott T Walters, Jennifer Lerch, Faye S Taxman
BACKGROUND: Although many formal and informal substance use treatment programs were originally designed for men, no studies have investigated how gender affects the use of substance use treatment modalities, and how gender differences in treatment utilization impact substance use in the unique probation context. OBJECTIVE: To describe gender differences in use and effectiveness of substance use treatment modalities (formal and informal) among probationers. METHODS: Longitudinal data were obtained from 335 individuals (93 women) who participated in the Motivational Assessment Program to Initiate Treatment (MAPIT) study...
February 16, 2018: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/29451470/use-of-integrated-clinical-trial-protocols-a-survey-in-early-medicines-development
#19
Katharina Erb-Zohar, Hildegard Sourgens, Kerstin Breithaupt-Groegler
PURPOSE: To collect information on the use of integrated protocols in early clinical medicines development. MATERIALS AND METHODS: The questionnaire was mailed in fall 2014 to members of human pharmacology societies in Europe for anonymous responses via the online tool SurveyMonkey®. RESULTS: 97 respondents reported on 164 integrated protocols overall. In general, integrated protocols comprised 2 or 3 trial elements. One third of integrated protocols involved patients...
February 16, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29451392/evaluation-of-cams-for-14-c-microtracer-adme-studies-opportunities-to-change-the-current-drug-development-paradigm
#20
Frédéric Lozac'h, Simon Fahrni, Daniele De Maria, Caroline Welte, Joël Bourquin, Hans-Arno Synal, David Pearson, Markus Walles, Gian Camenisch
AIM: Although regulatory guidances require human metabolism information of drug candidates early in the development process, the human mass balance study (or hADME study), is performed relatively late. hADME studies typically involve the administration of a 14 C-radiolabelled drug where biological samples are measured by conventional scintillation counting analysis. Another approach is the administration of therapeutic doses containing a 14 C-microtracer followed by accelerator mass spectrometry (AMS) analysis, enabling hADME studies completion much earlier...
February 16, 2018: Bioanalysis
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