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https://www.readbyqxmd.com/read/28630605/xinfuli-granule-improves-post-myocardial-infarction-ventricular-remodeling-and-myocardial-fibrosis-in-rats-by-regulating-tgf-%C3%AE-smads-signaling-pathway
#1
Jie Ma, Zhi-Yuan Li, Xiao-Peng Liang, Cai-Xia Guo, Pei-Pei Lu, Li-Hong Ma
BACKGROUND: Recent clinical and experimental studies have confirmed the effects of Xinfuli Granule (XG), a compound Chinese medicine in the prevention and treatment of heart failure (HF). This study aimed to investigate the effects and the mechanisms of XG on ventricular reconstruction in rats with acute myocardial infarction (AMI). METHODS: Sprague-Dawley rats were subjected to left anterior descending branch ligation. The rats that survived 24 h were randomly assigned to five groups: medium-dose of XG group (MI+XGM), high-dose of XG group (MI+XGH), carvedilol group (MI+C), medium-dose of XG + carvedilol group (MI+C+XGM)...
May 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28630169/patient-specific-drug-screening-using-a-human-induced-pluripotent-stem-cell-model-of-catecholaminergic-polymorphic-ventricular-tachycardia-type-2
#2
Leonid Maizels, Irit Huber, Gil Arbel, Anke J Tijsen, Amira Gepstein, Asaad Khoury, Lior Gepstein
BACKGROUND: Catecholaminergic polymorphic ventricular tachycardia type 2 (CPVT2) results from autosomal recessive CASQ2 mutations, causing abnormal Ca(2+)-handling and malignant ventricular arrhythmias. We aimed to establish a patient-specific human induced pluripotent stem cell (hiPSC) model of CPVT2 and to use the generated hiPSC-derived cardiomyocytes to gain insights into patient-specific disease mechanism and pharmacotherapy. METHODS AND RESULTS: hiPSC cardiomyocytes were derived from a CPVT2 patient (D307H-CASQ2 mutation) and from healthy controls...
June 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28603020/hot-melt-extrusion-hme-as-solvent-free-technique-for-a-continuous-manufacturing-of-drug-loaded-mesoporous-silica
#3
Natalja Genina, Batol Hadi, Korbinian Löbmann
The aim of the study was to explore hot melt extrusion (HME) as a solvent-free drug loading technique for preparation of stable amorphous solid dispersions (ASD) using mesoporous silica (PSi). Ibuprofen (IBU) and carvedilol (CAR) were used as poorly soluble active pharmaceutical ingredients (APIs). Due to the high friction of a API: PSi mixture below the loading limit of the API, it was necessary to add the polymer Soluplus(®) (SOL) in order to enable the extrusion process. As a result the APIs distributed between the PSi and SOL phase after HME...
June 8, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28595719/effects-of-carvedilol-or-amlodipine-on-target-organ-damage-in-l-name-hypertensive-rats-their-relationship-with-blood-pressure-variability
#4
Julieta S Del Mauro, Paula D Prince, Martín Donato, Nahuel Fernandez Machulsky, Marcela A Morettón, Germán E González, Facundo M Bertera, Andrea Carranza, Susana B Gorzalczany, Diego A Chiappetta, Gabriela Berg, Celina Morales, Ricardo J Gelpi, Carlos A Taira, Christian Höcht
The aim of the study was to compare the effects of chronic oral treatment with carvedilol or amlodipine on blood pressure, blood pressure variability and target organ damage in N-nitro-l-arginine methyl ester (L-NAME) hypertensive rats. Wistar rats were treated with L-NAME administered in the drinking water for 8 weeks together with oral administration of carvedilol 30 mg/kg (n = 6), amlodipine 10 mg/kg (n = 6), or vehicle (n = 6). At the end of the treatment, echocardiographic evaluation, blood pressure, and short-term variability measurements were performed...
April 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28584488/moisture-sorption-desorption-characteristics-and-the-corresponding-thermodynamic-properties-of-carvedilol-phosphate
#5
Ravikiran Allada, Arthanareeswari Maruthapillai, Kamaraj Palanisamy, Praveen Chappa
AIMS: Carvedilol phosphate (CDP) is a nonselective beta-blocker used for the treatment of heart failures and hypertension. In this work, moisture sorption-desorption characteristics and thermodynamic properties of CDP have been investigated. MATERIALS AND METHODS: The isotherms were determined using dynamic vapor sorption analyzer at different humidity conditions (0%-90% relative humidity) and three pharmaceutically relevant temperatures (20°C, 30°C, and 40°C)...
January 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28577685/lisinopril-or-coreg-cr-in-reducing-cardiotoxicity-in-women-with-breast-cancer-receiving-trastuzumab-a-rationale-and-design-of-a-randomized-clinical-trial
#6
Maya Guglin, Pamela Munster, Angelina Fink, Jeffrey Krischer
BACKGROUND: Trastuzumab (TZB) is an established therapy for HER2-positive breast cancer. The use of TZB is commonly associated with cardiotoxicity manifesting as asymptomatic decrease in left ventricular ejection fraction (LVEF) or overt heart failure. Several studies demonstrated favorable effects of angiotensin-converting enzyme (ACE) inhibitors and β-blockers (BBs) in the prevention of chemotherapy-induced cardiotoxicity. We hypothesize that patients, randomized to receive an ACE inhibitor or a BB during trastuzumab therapy for breast cancer, will maintain a higher LVEF than patients randomized to placebo...
June 2017: American Heart Journal
https://www.readbyqxmd.com/read/28566627/analysis-of-clinical-efficacy-and-adverse-effects-of-%C3%AE-blocking-agents-used-clinically-for-chronic-heart-failure
#7
Risa Takayanagi, Kaori Fujito, Koji Kimura, Yasuhiko Yamada
Clinical efficacy and adverse effects of the β-blocking agents, carvedilol, bisoprolol, and metoprolol were analyzed theoretically, and then compared quantitatively, for the purpose of determining their proper use for chronic heart failure. Initially, we evaluated occupancy binding to the β1 and β2 receptors (Фss(β1) and Фss(β2)) by these drugs. Thereafter, we examined the relationship between Фss(β1) values and left ventricular ejection fraction (LVEF) increase rate to determine efficacy. The result showed that the efficacy with carvedilol could be attained with a lower Фss(β1) value than the others...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28531555/microbial-detoxification-of-carvedilol-a-%C3%AE-adrenergic-antagonist-by-the-filamentous-fungus-cunninghamella-echinulata
#8
Katarzyna Zawadzka, Przemysław Bernat, Aleksandra Felczak, Katarzyna Lisowska
Beta adrenergic antagonists like carvedilol are typical environmental pollutants detected in wastewater and surface water. Human metabolism of carvedilol is well investigated, while its environmental fates are still unknown. In recent years, there have been appearing reports on high toxicity of β-blockers toward aquatic organisms. In this paper the ability of the filamentous fungus C. echinulata to eliminate the β-blocker has been described for the first time. An 83% loss of carvedilol was observed after 120 h incubation of the tested fungus with the compound, where hydroxylated carvedilol metabolites were identified as the major biotransformation products...
May 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28527109/erratum-to-clinical-pharmacokinetics-of-sacubitril-valsartan-lcz696-a-novel-angiotensin-receptor-neprilysin-inhibitor
#9
Surya Ayalasomayajula, Thomas Langenickel, Parasar Pal, Sreedevi Boggarapu, Gangadhar Sunkara
Sacubitril/valsartan (LCZ696) is indicated for the treatment of heart failure with reduced ejection fraction. Absorption of sacubitril/valsartan and conversion of sacubitril (prodrug) to sacubitrilat (neprilysin inhibitor) was rapid with maximum plasma concentrations of sacubitril, sacubitrilat, and valsartan (angiotensin receptor blocker) reaching within 0.5, 1.5-2.0, and 2.0-3.0 h, respectively. With a twofold increase in dose, an increase in the area under the plasma concentration-time curve was proportional for sacubitril, ~1...
May 19, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28523858/clinical-signs-diagnostics-and-successful-treatment-of-a-myocarditis-in-an-adult-chimpanzee-pan-troglodytes
#10
Martine van Zijll Langhout, Marno Wolters, Katalin M Horvath, Harold Thiesbrummel, Paul Smits, Hester van Bolhuis, Victor van der Hulst, Robert Riezebos
A chimpanzee (Pan troglodytes) was presented with lethargic behaviour. Echocardiography and abnormal cardiac and inflammatory biomarkers revealed a myocarditis. The animal fully recovered after prolonged treatment with losartan and carvedilol. This is the first report of the diagnosis and successful treatment of myocarditis in this species.
May 19, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28522373/population-pharmacokinetics-of-carvedilol-enantiomers-and-their-metabolites-in-type-2-diabetes-and-healthy-subjects
#11
Glauco H B Nardotto, Vera L Lanchote, Eduardo B Coelho, Oscar Della Pasqua
Carvedilol, a drug available as a racemic mixture, is eliminated as hydroxyphenylcarvedilol (OHC) by CYP2D6 and O-desmethylcarvedilol (DMC) by CYP2C9 followed by conjugation to glucuronides. In contrast to other β-adrenergic receptor antagonists, carvedilol does not induce insulin resistance or worsen glycaemic control in the diabetic hypertensive patients. This study aims to investigate the implications of type 2 diabetes (T2DM) on the pharmacokinetics of carvedilol enantiomers using an integrated population pharmacokinetic modelling approach...
May 15, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28520538/treatment-strategies-for-paradoxical-hypertension-following-surgical-correction-of-coarctation-of-the-aorta-in-children
#12
Peter P Roeleveld, Eline G Zwijsen
BACKGROUND: Paradoxical hypertension after repair of coarctation of the aorta is a well-known phenomenon. The pathogenesis involves the activation of the sympathetic nervous system (first phase) and renin-angiotensin system (second phase). Only a limited number of different treatment strategies have been published in the literature, without any comparative studies. METHODS: Our aim was to describe the current international practice variation surrounding pharmacological treatment currently being employed to treat paradoxical hypertension following the repair of coarctation of the aorta in children...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28502064/optimization-of-water-oil-surfactant-system-for-preparation-of-medium-chain-length-poly-3-hydroxyalkanoates-mcl-pha-incorporated-nanoparticles-via-nanoemulsion-templating-technique
#13
K A Ishak, M Suffian M Annuar, N Ahmad
Polymeric nanoparticles gain a widespread interest in food and pharmaceutical industries as delivery systems that encapsulate, protect, and release lipophilic compounds such as omega-3 fatty acids, fat-soluble vitamins, carotenoids, carvedilol, cyclosporine, and ketoprofen. In this study, medium-chain-length poly-3-hydroxyalkanoate (mcl-PHA)-incorporated nanoparticle was developed via facile organic solvent-free nanoemulsion templating technique. The water content (W/surfactant-to-oil (S/O)), S/O, and Cremophor EL-to-Span 80 (Cremo/Sp80) ratios were first optimized using response surface methodology (RSM) to obtain nanoemulsion template prior to incorporation of mcl-PHA...
May 13, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28495583/application-of-miscibility-analysis-and-determination-of-soluplus-solubility-map-for-development-of-carvedilol-loaded-nanofibers
#14
Olivera Kaljević, Jelena Djuris, Bojan Čalija, Zoran Lavrič, Julijana Kristl, Svetlana Ibrić
Electrospinning was used to produce carvedilol-loaded Soluplus polymer nanofibers using a systematic approach. Miscibility between drug and polymer was determined through calculation of the interaction parameter, χ, and the difference between the total solubility parameters, Δdt. A solubility map for Soluplus was obtained by examining different solvent systems, carrying out electrospinning, and characterizing the nanofibers formed. Miscibility studies showed that carvedilol and Soluplus can form a miscible system (χ=-2...
May 8, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28491305/effects-of-carvedilol-on-structural-and-functional-outcomes-and-plasma-biomarkers-in-the-mouse-transverse-aortic-constriction-heart-failure-model
#15
Caryn Hampton, Raymond Rosa, Daphne Szeto, Gail Forrest, Barry Campbell, Richard Kennan, Shubing Wang, Chin-Hu Huang, Loise Gichuru, Xiaoli Ping, Xiaolan Shen, Kersten Small, Jeffrey Madwed, Joseph J Lynch
INTRODUCTION: Despite the widespread use of the mouse transverse aortic constriction heart failure model, there are no reports on the characterization of the standard-of-care agent carvedilol in this model. METHODS: Left ventricular pressure overload was produced in mice by transverse aortic constriction between the innominate and left common carotid arteries. Carvedilol was administered at multiple dose levels (3, 10 and 30 mg/kg/day per os; yielding end-study mean plasma concentrations of 0...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28472245/beta-blocker-subtype-and-risks-of-perioperative-adverse-events-following-non-cardiac-surgery-a-nationwide-cohort-study
#16
Mads E Jørgensen, Robert D Sanders, Lars Køber, Kala Mehta, Christian Torp-Pedersen, Mark A Hlatky, Jannik L Pallisgaard, Richard E Shaw, Gunnar H Gislason, Per F Jensen, Charlotte Andersson
Aims: Beta-blockers vary in pharmacodynamics and pharmacokinetic properties. It is unknown whether specific types are associated with increased perioperative risks. We evaluated perioperative risks associated with beta-blocker subtypes, overall and in patient subgroups. Methods and results: We performed a Danish Nationwide cohort study, 2005-2011, of patients treated chronically with beta blocker (atenolol, bisoprolol, carvedilol, metoprolol, propranolol, or other) prior to non-cardiac surgery...
May 2, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28471055/a-novel-in-situ-strategy-for-the-preparation-of-a-%C3%AE-cyclodextrin-polydopamine-coated-capillary-column-for-capillary-electrochromatography-enantioseparations
#17
Heying Guo, Xiaoying Niu, Congjie Pan, Tao Yi, Hongli Chen, Xingguo Chen
Inspired by the chiral recognition ability of β-cyclodextrin and the natural adhesive properties of polydopamine under alkaline conditions, in this study, a rapid and in situ modification strategy was developed to fabricate β-cyclodextrin/polydopamine composite material coated-capillary columns for open tubular capillary electrochromatography. The results of scanning electron microscopy, FTIR spectroscopy, streaming potential and electro-osmotic flow studies indicated that β-cyclodextrin/polydopamine was successfully fixed on the inner wall of the capillary column...
May 4, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28469221/did-carvedilol-really-have-more-severe-adverse-events-than-propranolol-in-cirrhotic-patients
#18
Gin-Ho Lo
No abstract text is available yet for this article.
May 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28444654/digoxin-toxicity-in-a-neonate-caused-by-the-interaction-with-carvedilol
#19
Alexia Moser-Bracher, Christian Balmer, Anna Cavigelli, Aylin Satir, Angela Caduff Good, Dietrich Klauwer
No abstract text is available yet for this article.
March 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28435058/in-vitro-and-in-vivo-evaluation-of-gastro-retentive-carvedilol-loaded-chitosan-beads-using-gastroplus%C3%A2
#20
Radhakrishnan Praveen, Priya Ranjan Prasad Verma, Jayachandran Venkatesan, Dong-Han Yoon, Se-Kwon Kim, Sandeep Kumar Singh
The objective of present investigation was to develop gastro-retentive controlled release system of carvedilol using biological macromolecule, chitosan. 3(2) full factorial design was adopted for optimization of tripolyphosphate (X1) and curing time (X2). Bead stability in 0.1N HCl, buoyancy duration, density, drug loading, dissolution efficiency and cumulative percentage release at 8th hour were evaluated as dependent variables. The levels of X1 and X2 of optimized formulation having maximum desirability was found to 2...
April 20, 2017: International Journal of Biological Macromolecules
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