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https://www.readbyqxmd.com/read/28527109/erratum-to-clinical-pharmacokinetics-of-sacubitril-valsartan-lcz696-a-novel-angiotensin-receptor-neprilysin-inhibitor
#1
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/28524699/comparison-of-ambulatory-blood-pressure-lowering-effects-of-higher-doses-of-different-calcium-antagonists-in-uncontrolled-hypertension-the-calcium-antagonist-controlled-release-high-dose-therapy-in-uncontrolled-refractory-hypertensive-patients-carillon-study
#2
Hiroyuki Mizuno, Satoshi Hoshide, Naoko Tomitani, Kazuomi Kario
BACKGROUND: Data are sparse regarding ambulatory blood pressure (BP) reduction of up-titration from a standard dose to a high dose in both nifedipine controlled-release (CR) and amlodipine. This was a prospective, randomized, multicenter, open-label trial. PATIENTS AND METHODS: Fifty-one uncontrolled hypertensives medicated by two or more antihypertensive drugs including a renin-angiotensin system inhibitor and a calcium antagonist were randomly assigned to either the nifedipine CR (80 mg)/candesartan (8 mg) group or the amlodipine (10 mg)/candesartan (8 mg) group...
May 19, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28514719/multiway-analysis-methods-applied-to-the-fluorescence-excitation-emission-dataset-for-the-simultaneous-quantification-of-valsartan-and-amlodipine-in-tablets
#3
Erdal Dinç, Zehra Ceren Ertekin, Eda Büker
In this study, excitation-emission matrix datasets, which have strong overlapping bands, were processed by using four different chemometric calibration algorithms consisting of parallel factor analysis, Tucker3, three-way partial least squares and unfolded partial least squares for the simultaneous quantitative estimation of valsartan and amlodipine besylate in tablets. In analyses, preliminary separation step was not used before the application of parallel factor analysis Tucker3, three-way partial least squares and unfolded partial least squares approaches for the analysis of the related drug substances in samples...
April 30, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28507568/effect-of-ramipril-hydrochlorothiazide-and-ramipril-canrenone-combination-on-atrial-fibrillation-recurrence-in-hypertensive-type-2-diabetic-patients-with-and-without-cardiac-autonomic-neuropathy
#4
Daniele Bosone, Alfredo Costa, Natascia Ghiotto, Matteo Cotta Ramusino, Annalisa Zoppi, Angela D'Angelo, Roberto Fogari
INTRODUCTION: The aim of this study was to compare the effect of ramipril/canrenone versus ramipril/hydrochlorothiazide (HCTZ) combination on atrial fibrillation (AF) recurrence in type 2 diabetic hypertensives with and without cardiac autonomic neuropathy (CAN). MATERIAL AND METHODS: A total of 289 hypertensive type 2 diabetic patients, 95 with CAN, in sinus rhythm but with at least two episodes of AF in the previous 6 months were randomized to ramipril 5 mg plus canrenone 50 mg (titrated to 10/100 mg) or to ramipril 5 mg plus HCTZ 12...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28490725/effects-of-valsartan-and-amlodipine-on-oxidative-stress-in-type-2-diabetic-patients-with-hypertension-a-randomized-multicenter-study
#5
Hae Jin Kim, Seung Jin Han, Dae Jung Kim, Hak Chul Jang, Soo Lim, Sung Hee Choi, Yong Hyun Kim, Dong Hyun Shin, Se Hwa Kim, Tae Ho Kim, Yu Bae Ahn, Seung Hyun Ko, Nan Hee Kim, Ji A Seo, Ha Young Kim, Kwan Woo Lee
BACKGROUND/AIMS: Oxidative stress plays an important role in the pathogenesis and progression of diabetic complications and antagonists of renin-angiotensin system and amlodipine have been reported previously to reduce oxidative stress. In this study, we compared the changes in oxidative stress markers after valsartan and amlodipine treatment in type 2 diabetic patients with hypertension and compared the changes in metabolic parameters. METHODS: Type 2 diabetic subjects with hypertension 30 to 80 years of age who were not taking antihypertensive drugs were randomized into either valsartan (n = 33) or amlodipine (n = 35) groups and treated for 24 weeks...
May 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28467955/the-impact-of-currently-recommended-antihypertensive-therapy-on-depression-and-other-psychometric-parameters-preliminary-communication
#6
Beata Korosi, Andrea Laszlo, Adam Tabak, Dora Batta, Lilla Lenart, Andrea Fekete, Daniel Eorsi, Orsolya Cseprekal, Andras Tisler, Zsofia Nemcsik-Bencze, Xenia Gonda, Zoltan Rihmer, Janos Nemcsik
AIMS: Current evidence on the psychological effects of antihypertensive medications is controversial. The aim of this study was to evaluate the effect of current antihypertensive medication on different psychometric parameters and on serum brain-derived neurotrophic factor (BDNF) level. METHODS: Psychometric, haemodynamic, arterial stiffness and laboratory parameters were evaluated before and 3 months after the initiation of antihypertensive medication in untreated hypertensive patients (HT, n=31), and once in healthy controls (CONT, n=22)...
March 2017: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28466368/adherence-to-treatment-safety-tolerance-and-effectiveness-of-perindopril-amlodipine-fixed-dose-combination-in-greek-patients-with-hypertension-and-stable-coronary-artery-disease-a-pan-hellenic-prospective-observational-study-of-daily-clinical-practice
#7
Charalampos I Liakos, Dimitrios P Papadopoulos, Vasilios T Kotsis
BACKGROUND: Initiation of antihypertensive therapy with a two-drug fixed-dose combination (FDC) in a single tablet may be recommended in patients at high risk of cardiovascular events to improve adherence and effectiveness. Preferred combinations include an angiotensin-converting enzyme inhibitor with a dihydropyridine calcium antagonist. OBJECTIVE: This study assessed adherence to and the safety, tolerance, and effectiveness of the perindopril/amlodipine FDC in Greek patients with hypertension and stable coronary artery disease (CAD) over a 4-month period...
May 2, 2017: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/28462546/blood-pressure-variability-in-patients-with-diabetes-mellitus-with-hypertension-treatment-recommendations-and-role-of-amlodipine
#8
REVIEW
Bipin Kumar Sethi, Manash P Baruah, A Sreenivas Kumar
Recently, blood pressure variability (BPV) has gained focus owing to its role in predicting cardiovascular (CV) outcomes. Additionally, alterations in BPV contribute to the progression of end organ damage and trigger vascular events in hypertensive patients. Therefore, amelioration of BPV is considered a potentially important target and different classes of drugs are used to achieve the desired blood pressure (BP) goal. Based on several studies and clinical trials, treatments with CCB such as amlodipine have been found to be most effective in the management of BPV in hypertensive patients with diabetes...
March 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28446804/the-effects-of-increasing-calcium-channel-blocker-dose-vs-adding-a-diuretic-to-treatment-regimens-for-patients-with-uncontrolled-hypertension
#9
Shigemasa Tani, Kei Asayama, Koji Oiwa, Shinsuke Harasawa, Katsuaki Okubo, Atsuhiko Takahashi, Ayumi Tanabe, Takayoshi Ohkubo, Atsushi Hirayama, Toshio Kushiro
In patients with insufficient blood pressure (BP) control, despite using a combination regimen containing an angiotensin receptor blocker and a calcium channel blocker (CCB), whether a greater dose of CCB or adding a diuretic is more effective at lowering BP remains unclear. We conducted a multicenter randomized clinical trial to compare the efficacy of switching from the daily administration of a single-pill fixed-dose combination of irbesartan (100 mg) and amlodipine (5 mg) to irbesartan (100 mg) with an increased dose of amlodipine (10 mg) (HD group, n=62) or irbesartan (100 mg) and amlodipine (5 mg) with 1 mg of indapamide (D group, n=63) in patients with poorly controlled hypertension...
April 27, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28445845/the-capacity-and-effectiveness-of-diosmectite-and-charcoal-in-trapping-the-compounds-causing-the-most-frequent-intoxications-in-acute-medicine-a-comparative-study
#10
Michaela Mináriková, Veronika Fojtikova, Eliška Vyskočilová, Jan Sedláček, Milan Šikut, Lucie Borek-Dohalska, Marie Stiborová, Marketa Martinkova
The aim of the study was to compare the adsorption ability of two adsorbent materials, namely diosmectite and activated charcoal towards selected model compounds that are most commonly involved in acute intoxication. Eleven model compounds were selected: acetylsalicylic acid, α-amanitin, amlodipine, digoxin, phenobarbital, ibuprofen, imipramine, carbamazepine, oxazepam, promethazine, and theophylline. Of the tested compounds, promethazine and imipramine were the most effectively adsorbed to diosmectite. Their adsorption to diosmectite (0...
April 17, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28441972/efficacy-of-olmesartan-amlodipine-in-colombian-hypertensive-patients-soat-study
#11
Richard Buendia, Monica Zambrano
BACKGROUND: Emerging evidence has shown a significant deficit in the control of hypertension (blood pressure <140/90 mmHg) among Hispanics or Latinos in about 65%. This study aims to determine the efficacy of the combination in fixed doses of olmesartan and amlodipine (20/5, 40/5, and 40/10 mg) in hypertensive patients treated in daily clinical practice by Colombian doctors. METHODS: This was an observational, retrospective, open-label, multi-center, non-comparative study...
April 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28435002/systemic-arterial-hypertension-secondary-to-chronic-kidney-disease-in-two-captive-born-large-felids
#12
A Leclerc, E Trehiou-Sechi, E M Greunz, C Damoiseaux, J Bouvard, V Chetboul
Systemic arterial hypertension (SHT) has been widely described in the domestic cat (Felis catus). In these feline patients, SHT is considered as the most common vascular disorder of middle-aged to older animals, and secondary SHT related to chronic kidney disease (CKD) represents the most common form of the disease. We describe here the first two cases of spontaneous SHT in large felids, i.e. one 18-year old, 34.4 kg, male North-Chinese leopard (Panthera pardus japonensis, case #1) and one 20-year old, 28...
April 20, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28430947/electrocardiographic-left-ventricular-hypertrophy-predicts-cardiovascular-morbidity-and-mortality-in-hypertensive-patients-the-allhat-study
#13
Casper N Bang, Elsayed Z Soliman, Lara M Simpson, Barry R Davis, Richard B Devereux, Peter M Okin
BACKGROUND: Electrocardiographic (ECG) left ventricular hypertrophy (LVH) is a strong predictor of cardiovascular (CV) morbidity and mortality. However, the predictive value of ECG LVH in treated hypertensive patients remains unclear. METHODS: A total of 33,357 patients (aged ≥ 55 years) with hypertension and at least 1 other coronary heart disease (CHD) risk factor were randomized to chlorthalidone, amlodipine, or lisinopril. The outcome of the present study was all-cause mortality; and secondary endpoints were CHD, nonfatal myocardial infarction (MI), stroke, angina, heart failure (HF), and peripheral arterial disease...
April 19, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28417439/clinical-pharmacokinetics-of-sacubitril-valsartan-lcz696-a-novel-angiotensin-receptor-neprilysin-inhibitor
#14
REVIEW
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 two-fold increase in dose, an increase in the area under the plasma concentration-time curve was proportional for sacubitril, ~1...
April 17, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28397088/combination-of-anti-hypertensive-drugs-a-molecular-dynamics-simulation-study
#15
Abbas Yousefpour, Hamid Modarress, Fatemeh Goharpey, Sepideh Amjad-Iranagh
The anti-hypertensive drugs amlodipine, atenolol and lisinopril, in ordinary and PEGylated forms, with different combined-ratios, were studied by molecular dynamics simulations using GROMACS software. Twenty simulation systems were designed to evaluate the interactions of drug mixtures with a dimyristoylphosphatidylcholine (DMPC) lipid bilayer membrane, in the presence of water molecules. In the course of simulations, various properties of the systems were investigated, including drug location, diffusion and mass distribution in the membrane; drug orientation; the lipid chain disorder as a result of drug penetration into the DMPC membrane; the number of hydrogen bonds; and drug surface area...
May 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28387969/amlodipine-the-double-edged-sword
#16
Fatma Rabah, Mohamed El-Naggari, Dana Al-Nabhani
AIM: Amlodipine, a calcium channel blocker became one of the most popular antihypertensive medications used in the paediatric population. This is mainly due to its long half-life making it easy to use as a single daily dose. Amlodipine is associated with common side effects like flushing, headache and dizziness. The incidence of amlodipine-related oedema was noted to be lower in the paediatric population compared to adults. We emphasise the importance of monitoring the development of oedema in patients treated with amlodipine...
April 7, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28381360/introduction-of-agarose-gel-as-a-green-membrane-in-electromembrane-extraction-an-efficient-procedure-for-the-extraction-of-basic-drugs-with-a-wide-range-of-polarities
#17
Hadi Tabani, Sakine Asadi, Saeed Nojavan, Mitra Parsa
Developing green methods for analyte extraction is one of the most important topics in the field of sample preparation. In this study, for the first time, agarose gel was used as membrane in electromembrane extraction (EME) without using any organic solvent, for the extraction of four model basic drugs (rivastigmine (RIV), verapamil (VER), amlodipine (AML), and morphine (MOR)) with a wide polarity window (log P from 0.43 to 3.7). Different variables playing vital roles in the proposed method were evaluated and optimized...
May 12, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28378738/-hypertensive-urgency-or-high-blood-pressure-variability
#18
A V Rodionov
Hypertensive urgency (HU) is a common reason particularly for elderly patients to seek medical advice. Severe asymptomatic hypertension and situational high blood pressure (BP) in patients with its high variability is frequently taken as HU. The use of short-acting antihypertensive drugs is not only indicated in these situations, but it may also increase the risk of cardiovascular events (CVE). Over the past decade, increased BP variability is an independent predictor for a higher risk of CVE. Among the major groups of antihypertensive drugs, there are calcium antagonists, mainly amlodipine, which has the greatest potential to reduce BP variability...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28355350/influence-of-antihypertensive-drugs-on-aortic-and-coronary-effects-of-ang-1-7-in-pressure-overloaded-rats
#19
A D C Nunes, A P S Souza, L M Macedo, P H Alves, G R Pedrino, D B Colugnati, E P Mendes, R A S Santos, C H Castro
This study investigated the influence of antihypertensive drugs, such as angiotensin-converting enzyme inhibitors (ACEIs), AT1 receptor blockers (ARBs), voltage-gated L-type calcium channel blockers, and mineralocorticoid receptor antagonists (MRAs), on the effects of angiotensin-(1-7) [Ang-(1-7)] on aorta and coronary arteries from pressure-overloaded rats. Pressure overload was induced by abdominal aortic banding (AB). To evaluate the role of antihypertensive drugs on the effect of Ang-(1-7), AB male Wistar rats weighing 250-300 g were treated with vehicle or low doses (5 mg·kg-1·day-1, gavage) of losartan, captopril, amlodipine, or spironolactone...
March 23, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28352156/fixed-dose-combination-orally-disintegrating-tablets-to-treat-cardiovascular-disease-formulation-in-vitro-characterization-and-physiologically-based-pharmacokinetic-modeling-to-assess-bioavailability
#20
Thomas J Dennison, Julian C Smith, Raj K Badhan, Afzal R Mohammed
Cardiovascular disease (CVD) is the leading cause of death among men and women worldwide. In CVD, hypertension and dyslipidemia commonly coexist and are managed through coadministration of amlodipine and atorvastatin, respectively. The case for fixed-dose combination (FDC) oral dosage forms and orally disintegrating tablet (ODT) technology to enhance outcomes and compliance is strong. This work follows the development and characterization of single and FDC ODTs containing amlodipine and atorvastatin, followed by bioequivalence comparison between these single and FDC formulations, using in vitro dissolution and Caco-2 apparent permeability (Papp) and in silico physiologically based pharmacokinetic modeling approaches...
2017: Drug Design, Development and Therapy
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