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https://www.readbyqxmd.com/read/28646467/symptom-management-challenges-in-heart-failure-pharmacotherapy-considerations
#1
REVIEW
Diana Stewart, Mary Lynn McPherson
Heart failure is a chronic, progressive illness that is increasing in prevalence in the USA. Patients with advanced heart failure experience a high symptom burden that is comparable to patients with advanced cancer. Palliative care, however, is underutilized in patients with heart failure, and symptoms may go untreated as the disease progresses. A combination of pharmacologic and non-pharmacologic interventions should be used to address symptoms and maintain quality of life. While there have been significant advances in evidence-based heart failure treatments in recent years, selection of appropriate palliative medications as symptoms progress is challenging due to limited clinical studies in this patient population...
June 24, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28646394/the-antihypertensive-efficacy-of-the-triple-fixed-combination-of-perindopril-indapamide-and-amlodipine-the-results-of-the-petra-study
#2
György Ábrahám, Csaba András Dézsi
INTRODUCTION: The etiology of essential hypertension is multifactorial. Therefore, treatment with combinations of antihypertensive agents acting on multiple targets is necessary for successful therapy in the majority of patients. According to the experience and clinical data accumulated so far, combination therapy with three agents from different pharmacological classes is required in approx. 30% of patients in order to achieve long-term blood pressure control. The primary objective of the PETRA study was to evaluate the efficacy of blood pressure (BP) control with once daily administration of the different dosage strengths of the once-daily, triple fixed combination of perindopril, indapamide, and amlodipine...
June 23, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28646078/stereospecific-metabolism-of-r-and-s-warfarin-by-human-hepatic-cytosolic-reductases
#3
Dustyn A Barnette, Bryce Johnson, Dakota L Pouncey, Robert Nshimiyimana, Linda Desrochers, Thomas E Goodwin, Grover Paul Miller
Coumadin (rac-warfarin) is the most commonly used anticoagulant in the world, yet its clinical use is often challenging due to a narrow therapeutic range and inter-individual variations in response. A critical contributor to the uncertainty is variability in warfarin metabolism, which includes mostly oxidative but also reductive pathways. Reduction of each warfarin enantiomer yields two warfarin alcohol isomers, and the corresponding four alcohols retain varying levels of anticoagulant activity. Studies on the kinetics of warfarin reduction have often lacked resolution of parent drug enantiomers and suffered from co-elution of pairs of alcohol metabolites; thus, those studies fail to establish the importance of individual, stereospecific reductive pathways...
June 23, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28645995/mepolizumab-for-the-treatment-of-severe-eosinophilic-asthma
#4
REVIEW
Mara N Poulakos, Shawna M Cargill, Melissa F Waineo, Allen L Wolford
PURPOSE: Published data on the pharmacology, pharmacokinetics and pharmacodynamics, and clinical efficacy and safety of the interleukin-5 antagonist mepolizumab are reviewed. SUMMARY: Asthma of the eosinophilic phenotype is characterized by persistent eosinophilic airway inflammation promoted primarily by T-helper type 2 cytokines, the key regulator of eosinophils. Patients with severe eosinophilic asthma are burdened by the need to administer high doses of corticosteroids to help manage their symptoms...
July 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28645967/the-bipolar-illness-onset-study-research-protocol-for-the-bio-cohort-study
#5
Lars Vedel Kessing, Klaus Munkholm, Maria Faurholt-Jepsen, Kamilla Woznica Miskowiak, Lars Bo Nielsen, Ruth Frikke-Schmidt, Claus Ekstrøm, Ole Winther, Bente Klarlund Pedersen, Henrik Enghusen Poulsen, Roger S McIntyre, Flavio Kapczinski, Wagner F Gattaz, Jakob Bardram, Mads Frost, Oscar Mayora, Gitte Moos Knudsen, Mary Phillips, Maj Vinberg
INTRODUCTION: Bipolar disorder is an often disabling mental illness with a lifetime prevalence of 1%-2%, a high risk of recurrence of manic and depressive episodes, a lifelong elevated risk of suicide and a substantial heritability. The course of illness is frequently characterised by progressive shortening of interepisode intervals with each recurrence and increasing cognitive dysfunction in a subset of individuals with this condition. Clinically, diagnostic boundaries between bipolar disorder and other psychiatric disorders such as unipolar depression are unclear although pharmacological and psychological treatment strategies differ substantially...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28645644/-antiplatelet-agents-and-transfusion
#6
P Gaussem, A-C Martin, T Belleville-Rolland, D Helley, C Bachelot-Loza, A Godier
Antiplatelet agents are at risk for bleeding complications, the management of which differs depending on the clinical situation and on the antiplatelet agent itself. Neutralization of antiplatelets is sometimes necessary, most often leading to platelet transfusion, although the benefit of this strategy is poorly documented. In addition, if platelet transfusion corrects the platelet inhibition induced by aspirin and probably by clopidogrel and prasugrel, it does not neutralize ticagrelor, as a consequence of its pharmacological properties...
June 20, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28645352/r%C3%A3-sistances-aux-hormones-st%C3%A3-ro%C3%A3-des-physiologie-et-pathologie-pathophysiology-of-steroid-resistance-syndrome
#7
N Ramos, M Lombès
Steroid resistance syndrome (mineralocorticoids, glucocorticoids, estrogens, androgens) is a rare clinical disorder, androgen insensitivity syndrome being the most commonly described. Resistance syndromes are characterized by elevated steroid hormone levels, secondary to an impaired signal transduction and a lack of negative feedback, without any specific clinical signs of steroid excess. In most cases, steroid hormone resistance is generally caused by steroid receptor mutations. Several nonsense and missense mutations or deletions have already been described for all steroid receptors, except for the progesterone receptor...
October 2016: Annales D'endocrinologie
https://www.readbyqxmd.com/read/28644981/chemical-profiling-and-antioxidant-evaluation-of-yangxinshi-tablet-by-hplc-esi-q-tof-ms-ms-combined-with-dpph-assay
#8
Junfeng Zhu, Xiaojiao Yi, Jinghui Zhang, Shuqing Chen, Yongjiang Wu
Yangxinshi Tablet (YXST) is a Chinese patent medicine commonly used to treat cardiovascular diseases. However, its detailed chemical basis and mechanisms of action have not been clarified. In this study, high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (HPLC-ESI-Q-TOF-MS) was applied for comprehensive analysis of the chemical constituents in YXST. A total of 127 compounds, including 19 phenolic acids, 12 alkaloids, 51 flavanoids, 32 triterpenoids, 2 lignans, 2 phenylethanoid glycosides, 2 anthraquinones, 1 coumarin, and 6 other compounds, were identified or tentatively deduced by comparing their retention times and MS spectra with those of authentic standards or literature data...
June 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28644213/platelet-pathophysiology-pharmacology-and-function-in-coronary-artery-disease
#9
Homam Ibrahim, Neal S Kleiman
Platelets play a key role in the pathophysiology of coronary artery disease and acute coronary syndromes. Our understanding of platelet function in thrombus formation has increased considerably, resulting in the development of clinically effective treatment strategies and identification of new targets. An underappreciated platelet function is their contribution toward acute and chronic inflammatory processes including atherogenesis. In this review, we discuss the role of platelets in atherosclerosis and thrombosis, platelet function testing, and the pharmacology of currently available antiplatelet drugs...
June 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28644179/improving-heart-failure-patient-outcomes-utilizing-guideline-directed-therapy
#10
Beth Towery Davidson, Terri Lynn Allison
Heart failure (HF) prevalence continues to rise and remains a significant burden to patients, caregivers, providers, and the healthcare system. Guideline-directed medical therapy with standard neurohormonal blockade has been the cornerstone of medical management for many years. Despite aggressive utilization of angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, beta-blockers, and aldosterone antagonists, HF hospitalizations and readmissions are common and residual mortality remains high...
July 21, 2017: Nurse Practitioner
https://www.readbyqxmd.com/read/28644055/regulation-of-transient-receptor-potential-melastatin-4-channel-by-sarcoplasmic-reticulum-inositol-triphosphate-receptors-role-in-human-detrusor-smooth-muscle-function
#11
Aaron Provence, Eric S Rovner, Georgi V Petkov
We recently reported key physiological roles for Ca(2+)-activated transient receptor potential melastatin 4 (TRPM4) channels in detrusor smooth muscle (DSM). However, the Ca(2+)-signaling mechanisms governing TRPM4 channel activity in human DSM cells are unexplored. As the TRPM4 channels are activated by Ca(2+), inositol 1,4,5-trisphosphate receptor (IP3R)-mediated Ca(2+) release from the sarcoplasmic reticulum represents a potential Ca(2+) source for TRPM4 channel activation. We used clinically-characterized human DSM tissues to investigate the molecular and functional interactions of the IP3Rs and TRPM4 channels...
June 23, 2017: Channels
https://www.readbyqxmd.com/read/28643372/fine-tuning-perk-signaling-for-neuroprotection
#12
REVIEW
Mark Halliday, Daniel Hughes, Giovanna Mallucci
Protein translation and folding are tightly controlled processes in all cells, by proteostasis, an important component of which is the unfolded protein response (UPR). During periods of endoplasmic reticulum stress due to protein misfolding, the UPR activates a coordinated response in which the PERK branch activation restricts translation, while a variety of genes involved with protein folding, degradation, chaperone expression and stress responses are induced through signaling of the other branches. Chronic overactivation of the UPR, particularly the PERK branch is observed in the brains of patients in a number of protein misfolding neurodegenerative diseases, including Alzheimer's, and Parkinson's diseases and the taopathies...
June 23, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28642806/the-efficacy-of-epigallocatechin-3-gallate-green-tea-in-the-treatment-of-alzheimer-s-disease-an-overview-of-pre-clinical-studies-and-translational-perspectives-in-clinical-practice
#13
REVIEW
Marco Cascella, Sabrina Bimonte, Maria Rosaria Muzio, Vincenzo Schiavone, Arturo Cuomo
Alzheimer's disease (AD) is a neurodegenerative disorder and the most common form of dementia characterized by cognitive and memory impairment. One of the mechanism involved in the pathogenesis of AD, is the oxidative stress being involved in AD's development and progression. In addition, several studies proved that chronic viral infections, mainly induced by Human herpesvirus 1 (HHV-1), Cytomegalovirus (CMV), Human herpesvirus 2 (HHV-2), and Hepatitis C virus (HCV) could be responsible for AD's neuropathology...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28642603/imaging-of-anticancer-drug-action-in-single-cells
#14
REVIEW
Miles A Miller, Ralph Weissleder
Imaging is widely used in anticancer drug development, typically for whole-body tracking of labelled drugs to different organs or to assess drug efficacy through volumetric measurements. However, increasing attention has been drawn to pharmacology at the single-cell level. Diverse cell types, including cancer-associated immune cells, physicochemical features of the tumour microenvironment and heterogeneous cell behaviour all affect drug delivery, response and resistance. This Review summarizes developments in the imaging of in vivo anticancer drug action, with a focus on microscopy approaches at the single-cell level and translational lessons for the clinic...
June 23, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28642541/can-uk-undergraduate-dental-programmes-provide-training-in-non-surgical-facial-aesthetics
#15
T W M Walker, F Gately, S Stagnell, A Kerai, C Mills, S Thomas
Aim Recently, more and more dentists have found themselves engaging in the delivery of non-surgical facial aesthetics (NSFA) as part of their regular practice routine. NSFA is a growing field in aesthetic medicine that is practised by a range of clinicians including doctors, dentists and registered prescriber nurses and is an industry estimated to be worth over £3 billion in the UK alone. In the past few years, several public scandals in aesthetic medicine have prompted reactions by several bodies including the Government and Royal Colleges...
June 23, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28642328/leukocyte-diversity-in-resolving-and-nonresolving-mechanisms-of-cardiac-remodeling
#16
REVIEW
Bochra Tourki, Ganesh Halade
In response to myocardial infarction (MI), time-dependent leukocyte infiltration is critical to program the acute inflammatory response. Post-MI leukocyte density, residence time in the infarcted area, and exit from the infarcted injury predict resolving or nonresolving inflammation. Overactive or unresolved inflammation is the primary determinant in heart failure pathology post-MI. Here, our review describes supporting evidence that the acute inflammatory response also guides the generation of healing and regenerative mediators after cardiac damage...
June 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28642281/utility-of-genomic-analysis-in-circulating-tumor-dna-from-patients-with-carcinoma-of-unknown-primary
#17
Shumei Kato, Nithya Krishnamurthy, Kimberly C Banks, Pradip De, Kirstin Williams, Casey Williams, Brian Leyland-Jones, Scott M Lippman, Richard B Lanman, Razelle Kurzrock
Carcinoma of unknown primary (CUP) is a rare and difficult-to-treat malignancy, the management of which might be improved by the identification of actionable driver mutations. We interrogated interrogated 54-70 genes in 442 patients with CUP using targeted clinical-grade, next-generation sequencing (NGS) of circulating tumor DNA (ctDNA). Overall, 80% of patients exhibited ctDNA alterations; 66%, ≥ 1 characterized alteration(s) excluding variants of unknown significance. TP53-associated genes were most commonly altered (37...
June 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28642233/sembragiline-a-novel-selective-monoamine-oxidase-type-b-inhibitor-for-the-treatment-of-alzheimer-s-disease
#18
Edilio Borroni, Bernd Bohrmann, Fiona Grueninger, Eric Prinssen, Stephane Nave, Hansruedi Loetscher, Shankar J Chinta, Subramanian Rajagopalan, Anand Rane, Almas Siddiqui, Bart Ellenbroek, Juerg Messer, Axel Pahler, Julie K Anderson, Rene Wyler, Andrea M Cesura
Monoamine oxidase B (MAO-B) has been implicated in the pathogenesis of Alzheimer's disease (AD) and other neurodegenerative disorders. Increased MAO-B expression in astroglia has been observed adjacent to amyloid plaques in AD patient brains. This phenomenon is hypothesised to lead to increased production of hydrogen peroxide and reactive oxygen species (ROS), thereby contributing to AD pathology. Therefore, reduction of ROS-induced oxidative stress via inhibition of MAO-B activity may delay the progression of the disease...
June 22, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28642209/acceptability-and-feasibility-of-a-randomized-clinical-trial-of-oral-naltrexone-vs-placebo-for-women-living-with-hiv-infection-study-design-challenges-and-pilot-study-results
#19
Robert L Cook, Kathleen M Weber, Dao Mai, Kathleen Thoma, Xingdi Hu, Babette Brumback, Manju Karki, Kendall Bryant, Mobeen Rathore, Mary Young, Mardge Cohen
BACKGROUND: Women living with HIV/AIDS who drink alcohol are at increased risk for adverse health outcomes, but there is little evidence on best methods for reducing alcohol consumption in this population. We conducted a pilot study to determine the acceptability and feasibility of conducting a larger randomized clinical trial of naltrexone vs. placebo to reduce alcohol consumption in women living with HIV/AIDS. METHODS: We designed the trial with input from community and scientific review...
June 19, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28641556/pharmacogenetic-and-pharmacokinetic-dose-individualization-of-the-taxane-chemotherapeutic-drugs-paclitaxel-and-docetaxel
#20
Natália Bordin Andriguetti, Suziane Raymundo, Marina Venzon Antunes, Magda Susana Perasolo, Simone Gasparin Verza, Edna Sayuri Suyenaga, Rafael Linden
The taxane drugs paclitaxel and docetaxel, widely used on cancer chemotherapy, are currently dosed mainly based on body-surface area. This approach is associated with wide interindividual variability in drug exposure, leading to suboptimal dosing for many patients. We reviewed the available evidence supporting dose individualization strategies for paclitaxel and docetaxel, focusing mainly on the application of therapeutic drug monitoring by a priori pharmacogenetic data or a posteriori drug measurements in biological fluids...
June 22, 2017: Current Medicinal Chemistry
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