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https://www.readbyqxmd.com/read/28634710/pharmacodynamic-and-pharmacokinetic-assessment-of-electronic-cigarettes-combustible-cigarettes-and-nicotine-gum-implications-for-abuse-liability
#1
Mitchell F Stiles, Leanne R Campbell, Donald W Graff, Bobbette A Jones, Reginald V Fant, Jack E Henningfield
RATIONALE: Electronic cigarettes (ECs) are becoming popular alternatives for smokers, but there has been limited study of their abuse liability. OBJECTIVES: The objective of this study was to evaluate the abuse liability of three Vuse Solo ECs, ranging from 14 to 36 mg in nicotine content, relative to high- and low-abuse liability comparator products (usual brand combustible cigarettes and nicotine gum, respectively) in a group of 45 EC-naïve smokers. METHODS: Enrolled subjects' ratings of subjective effects and nicotine uptake over 6 h were used to measure abuse liability and pharmacokinetics following in-clinic use of each EC...
June 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28634629/medical-malpractice-claims-in-laparoscopic-gynecologic-surgery-a-dutch-overview-of-20-years
#2
Evelien M Sandberg, Esmée M Bordewijk, Désirée Klemann, Sara R C Driessen, Andries R H Twijnstra, Frank Willem Jansen
BACKGROUND: The success of newly introduced surgical techniques is generally primarily assessed by surgical outcome measures. However, data on medical liability should concomitantly be used to evaluate provided care as they give a unique insight into substandard care from patient's point of view. The aim of this study was to analyze the number and type of medical claims after laparoscopic gynecologic procedures since the introduction of advanced laparoscopy two decades ago. Secondly, our objective was to identify trends and/or risk factors associated with these claims...
June 20, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28633594/targeting-and-delivery-of-therapeutic-enzymes
#3
Scott N Dean, Kendrick B Turner, Igor L Medintz, Scott A Walper
Biotechnology has revolutionized therapeutics for the treatment of a wide range of diseases. Recent advances in protein engineering and material science have made the targeted delivery of enzyme therapeutics using nanocarriers (NCs) a new model of treatment. Several NCs have been approved for clinical use in drug delivery. Despite their advantages, few NCs have been approved to deliver enzyme cargo in a targeted manner. This review details the current arsenal of platforms developed to deliver enzyme therapeutics as well as the advantages and challenges of using enzymes as drugs, with examples from the literature, and discusses the benefits and liabilities of a given approach...
July 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28632448/neuroregeneration-versus-neurodegeneration-toward-a-paradigm-shift-in-alzheimer-s-disease-drug-discovery
#4
Elisa Uliassi, Annachiara Gandini, Rosaria Carmela Perone, Maria Laura Bolognesi
Alzheimer's disease represents an enormous global burden in terms of human suffering and economic cost. To tackle the current lack of effective drugs and the continuous clinical trial failures might require a shift from the prevailing paradigm targeting pathogenesis to the one targeting neural stem cells (NSCs) regeneration. In this context, small molecules have come to the forefront for their potential to manipulate NSCs, provide therapeutic tools and unveil NSCs biology. Classically, these molecules have been generated either by target-based or phenotypic approaches...
June 20, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28625719/atypical-dopamine-transporter-inhibitors-r-modafinil-and-jhw-007-differentially-affect-d2-autoreceptor-neurotransmission-and-the-firing-rate-of-midbrain-dopamine-neurons
#5
Alicia J Avelar, J Cao, Amy Hauck Newman, Michael J Beckstead
Abuse of psychostimulants like cocaine that inhibit dopamine (DA) reuptake through the dopamine transporter (DAT) represents a major public health issue, however FDA-approved pharmacotherapies have yet to be developed. Recently a class of ligands termed "atypical DAT inhibitors" has gained attention due to their range of effectiveness in increasing extracellular dopamine (DA) levels without demonstrating significant abuse liability. These compounds not only hold promise as therapeutic agents to treat stimulant use disorders but also as experimental tools to improve our understanding of DAT function...
June 15, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28622731/navigating-tissue-chips-from-development-to-dissemination-a-pharmaceutical-industry-perspective
#6
Lorna Ewart, Kristin Fabre, Ananthsrinivas Chakilam, Yvonne Dragan, David B Duignan, Jeetu Eswaraka, Jinping Gan, Peggy Guzzie-Peck, Monicah Otieno, Claire G Jeong, Douglas A Keller, Sonia M de Morais, Jonathan A Phillips, William Proctor, Radhakrishna Sura, Terry Van Vleet, David Watson, Yvonne Will, Danilo Tagle, Brian Berridge
Tissue chips are poised to deliver a paradigm shift in drug discovery. By emulating human physiology, these chips have the potential to increase the predictive power of preclinical modeling, which in turn will move the pharmaceutical industry closer to its aspiration of clinically relevant and ultimately animal-free drug discovery. Despite the tremendous science and innovation invested in these tissue chips, significant challenges remain to be addressed to enable their routine adoption into the industrial laboratory...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28619391/pharmacists-attitudes-regarding-provision-of-sexual-and-reproductive-health-services
#7
Austin T Hilverding, Natalie A DiPietro Mager
OBJECTIVES: The primary objective was to assess attitudes from Ohio pharmacists about contraceptive authority. Secondary objectives included determining pharmacists' perceptions of benefits, barriers, and preparedness for offering such services and examining attitudes about and experiences with other reproductive health topics to inform future research. METHODS: An anonymous 26-question Institutional Review Board-approved electronic survey was developed and distributed via Qualtrics to a random sample of 500 licensed pharmacists in Ohio...
June 12, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28616831/invasive-prenatal-diagnostic-testing-recommendations-are-influenced-by-maternal-age-statistical-misconception-and-perceived-liability
#8
Talya Miron-Shatz, Sivan R Rapaport, Naama Srebnik, Yaniv Hanoch, Jonina Rabinowitz, Glen M Doniger, Linda Levi, Jonathan J Rolison, Avi Tsafrir
Funding policy and medico-legal climate are part of physicians' reality and might permeate clinical decisions. This study evaluates the influence of maternal age and government funding on obstetrician/gynecologist recommendation for invasive prenatal testing (i.e. amniocentesis) for Down syndrome (DS), and its association with the physician's assessment of the risk of liability for medical malpractice unless they recommend amniocentesis. Israeli physicians (N = 171) completed a questionnaire and provided amniocentesis recommendations for women at 18 weeks gestation with normal preliminary screening results, identical except aged 28 and 37...
June 14, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28615926/mechanistic-modelling-of-drug-induced-liver-injury-investigating-the-role-of-innate-immune-responses
#9
Lisl Km Shoda, Christina Battista, Scott Q Siler, David S Pisetsky, Paul B Watkins, Brett A Howell
Drug-induced liver injury (DILI) remains an adverse event of significant concern for drug development and marketed drugs, and the field would benefit from better tools to identify liver liabilities early in development and/or to mitigate potential DILI risk in otherwise promising drugs. DILIsym software takes a quantitative systems toxicology approach to represent DILI in pre-clinical species and in humans for the mechanistic investigation of liver toxicity. In addition to multiple intrinsic mechanisms of hepatocyte toxicity (ie, oxidative stress, bile acid accumulation, mitochondrial dysfunction), DILIsym includes the interaction between hepatocytes and cells of the innate immune response in the amplification of liver injury and in liver regeneration...
2017: Gene Regulation and Systems Biology
https://www.readbyqxmd.com/read/28612521/could-modafinil-prevent-psychostimulant-addiction-an-experimental-study-in-rats
#10
Verônica Tironi Dias, Luciana Taschetto Vey, Higor Zuquetto Rosa, Lívia Ferraz D'avila, Raquel Cristine Silva Barcelos, Marilise Escobar Burger
Addiction is a serious health problem which leads to general social impairment. The period of adolescence plays a significant role in drug abuse liability. Psychostimulants, such as modafinil (MOD), are majorly used by teenagers seeking improvements in cognition, which contributes to its indiscriminate use. The present study aimed to investigate the influence of MOD (64 mg/kg by gavage, once a day) treatment during adolescence (PND 28-42) on amphetamine (AMPH, 4 mg/kg i.p.) conditioned place preference (CPP) in early adulthood (PND 60)...
June 14, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28605673/oxidative-transformation-of-tunichromes-model-studies-with-1-2-dehydro-n-acetyldopamine-and-n-acetylcysteine
#11
Qun F Kuang, Adal Abebe, Jason Evans, Manickam Sugumaran
Tunichromes are 1,2-dehydrodopa containing bioactive peptidyl derivatives found in blood cells of several tunicates. They have been implicated in metal sequestering, tunic formation, wound healing and defense reaction. Earlier studies conducted on these compounds indicate their extreme liability, high reactivity and easy oxidative polymerization. Their reactions are also complicated by the presence of multiple dehydrodopyl units. Since they have been invoked in crosslinking and covalent binding, to understand the reactivities of these novel compounds, we have taken a simple model compound that possess the tunichrome reactive group viz...
June 1, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28604168/dynamics-of-silver-elution-from-functionalised-antimicrobial-nanofiltration-membranes
#12
S Choudhari, O Habimana, J Hannon, A Allen, E Cummins, E Casey
In an effort to mitigate biofouling on thin film composite membranes such as nanofiltration and reverse osmosis, a myriad of different surface modification strategies has been published. The use of silver nanoparticles (Ag-NPs) has emerged as being particularly promising. Nevertheless, the stability of these surface modifications is still poorly understood, particularly under permeate flux conditions. Leaching or elution of Ag-NPs from the membrane surface can not only affect the antimicrobial characteristics of the membrane, but could also potentially present an environmental liability when applied in industrial-scale systems...
July 2017: Biofouling
https://www.readbyqxmd.com/read/28604124/test-systems-in-drug-discovery-for-hazard-identification-and-risk-assessment-of-human-drug-induced-liver-injury
#13
Richard J Weaver, Catherine Betts, Eric A G Blomme, Helga H J Gerets, Klaus Gjervig Jensen, Philip G Hewitt, Satu Juhila, Gilles Labbe, Michael J Liguori, Natalie Mesens, Monday O Ogese, Mikael Persson, Jan Snoeys, James L Stevens, Tracy Walker, B Kevin Park
Introduction The liver is an important target for drug-induced toxicities. Early detection of hepatotoxic drugs requires use of well-characterized test systems, yet current knowledge, gaps and limitations of tests employed remains an important issue for drug development. Areas Covered The current state of the science, understanding and application of test systems in use for the detection of drug-induced cytotoxicity, mitochondrial toxicity, cholestasis and inflammation is summarized. The test systems highlighted herein cover mostly in vitro and some in vivo models and endpoint measurements used in the assessment of small molecule toxic liabilities...
June 12, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/28602837/a-review-on-epidemiology-global-prevalence-and-economical-losses-of-fasciolosis-in-ruminants
#14
REVIEW
Khalid Mehmood, Hui Zhang, Ahmad Jawad Sabir, Rao Zahid Abbas, Muhammad Ijaz, Aneela Zameer Durrani, Muhammad Hassan Saleem, Mujeeb Ur Rehman, Muhammad Kashif Iqbal, Yajing Wang, Hafiz Ishfaq Ahmad, Tariq Abbas, Riaz Hussain, Muhammad Taslim Ghori, Sadaqat Ali, Aman Ullah Khan, Jiakui Li
Fasciolosis is an important plant borne trematode zoonosis in ruminants caused by the Fasciola hepatica and Fasciola gigentica, It is classified as a neglected tropical disease and found in more than 50 countries especially where sheep and cattle are reared. Fasciolosis is a serious animal health problems in many rural and urban areas of world, causing significant financial losses due to decrease in production and viscera condemnation in animals. Accurate diagnosis of fasciolosis is always remained a challenging task for the field practitioners...
June 7, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28602044/the-dynamic-interaction-between-pain-and-opioid-misuse
#15
REVIEW
Adrianne R Wilson-Poe, Jose A Moron
In 2014, drug overdose surpassed automobile accidents as the number one cause of accidental death for the first time in US history. The overdose epidemic is largely driven by opioids, and genuine prescription opioid analgesics play the biggest role in this phenomenon. Despite advancements in abuse deterrent formulations, prescription drug monitoring programs, and clinical assessments for the detection of abuse potential, drug overdoses continue to escalate. The CDC has recently issued new guidelines for opioid prescription, yet even these recommendations have their shortcomings...
June 11, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28600702/hiccups-in-parkinson-s-disease-an-analysis-of-cases-reported-in-the-european-pharmacovigilance-database-and-a-review-of-the-literature
#16
U Lertxundi, A C Marquínez, S Domingo-Echaburu, M Á Solinís, B Calvo, A Del Pozo-Rodríguez, M García, C Aguirre, A Isla
BACKGROUND: Some reports have suggested an association between dopamine agonists and hiccups, involuntary contractions that merit full clinical attention because they can be very debilitating. Many drugs frequently used to treat hiccups are formally contraindicated in Parkinson's disease due to their liability to worsen motor symptoms, making the treatment of hiccups problematic in this disease. The objective of the present study was to analyze all spontaneous reports of hiccups from the European Pharmacovigilance Database in patients with Parkinson's disease and/or on dopaminergic drugs...
June 9, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28598918/falls-from-the-o-r-or-procedure-table
#17
Richard C Prielipp, Julia L Weinkauf, Thomas M Esser, Brian J Thomas, Mark A Warner
Patient safety secured by constant vigilance remains a primary responsibility of every anesthesia professional. Although significant attention has been focused on patient falls occurring before and after surgery, a potentially catastrophic complication is when patients fall off an operating room or procedure table during anesthesia care. Because such events are (fortunately) uncommon, and because very little information is published in our literature, we queried 2 independent closed claims databases (the American Society of Anesthesiologists Closed Claims Project and the secure records of a private, anesthesia specialty-specific liability insurer) for information...
June 8, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28597148/medicolegal-sidebar-resident-physician-liability
#18
Wendy Z W Teo, Lawrence H Brenner, B Sonny Bal
No abstract text is available yet for this article.
June 8, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28596533/breaking-barriers-to-novel-analgesic-drug-development
#19
REVIEW
Ajay S Yekkirala, David P Roberson, Bruce P Bean, Clifford J Woolf
Acute and chronic pain complaints, although common, are generally poorly served by existing therapies. This unmet clinical need reflects a failure to develop novel classes of analgesics with superior efficacy, diminished adverse effects and a lower abuse liability than those currently available. Reasons for this include the heterogeneity of clinical pain conditions, the complexity and diversity of underlying pathophysiological mechanisms, and the unreliability of some preclinical pain models. However, recent advances in our understanding of the neurobiology of pain are beginning to offer opportunities for developing novel therapeutic strategies and revisiting existing targets, including modulating ion channels, enzymes and G-protein-coupled receptors...
June 9, 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28594866/revisiting-the-co-existence-of-attention-deficit-hyperactivity-disorder-and-chronic-tic-disorder-in-childhood-the-case-of-colour-discrimination-sustained-attention-and-interference-control
#20
Henrik Uebel-von Sandersleben, Björn Albrecht, Aribert Rothenberger, Anke Fillmer-Heise, Veit Roessner, Joseph Sergeant, Rosemary Tannock, Tobias Banaschewski
OBJECTIVE: Attention Deficit / Hyperactivity Disorder (ADHD) and Chronic Tic Disorder (CTD) are two common and frequently co-existing disorders, probably following an additive model. But this is not yet clear for the basic sensory function of colour processing sensitive to dopaminergic functioning in the retina and higher cognitive functions like attention and interference control. The latter two reflect important aspects for psychoeducation and behavioural treatment approaches. METHODS: Colour discrimination using the Farnsworth-Munsell 100-hue Test, sustained attention during the Frankfurt Attention Inventory (FAIR), and interference liability during Colour- and Counting-Stroop-Tests were assessed to further clarify the cognitive profile of the co-existence of ADHD and CTD...
2017: PloS One
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