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Amlodipine

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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...
March 29, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28378738/-hypertensive-urgency-or-high-blood-pressure-variability
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28350522/the-influences-of-slco1b1-and-abcb1-genotypes-on-the-pharmacokinetics-of-simvastatin-in-relation-to-cyp3a4-inhibition
#13
Fen Jiang, Jong-Yeol Choi, Ju-Hyun Lee, Sunae Ryu, Ze-Won Park, Jong-Gu Lee, Han-Sung Na, Seok-Yong Lee, Woo-Yong Oh, Myeon-Woo Chung, Seung-Eun Choi
AIM: To investigate the combined effects of SLCO1B1 and ABCB1 genotypes on the pharmacokinetics of simvastatin and its active metabolite simvastatin acid, in relation to CYP3A4 inhibition. METHODS: We conducted a single-dose pharmacokinetic study of simvastatin in 26 healthy volunteers screened for their SLCO1B1 c.521T>C and ABCB1 c.1236C>T-2677G>T-3435C>T genotypes, with and without amlodipine pretreatment. The genetic effects and drug-interaction effect on simvastatin pharmacokinetic parameters were analyzed using a linear-mixed model...
March 28, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28345598/novel-1-4-dihydropyridines-for-l-type-calcium-channel-as-antagonists-for-cadmium-toxicity
#14
Madhu Sudhana Saddala, Ramesh Kandimalla, Pradeepkiran Jangampalli Adi, Sainath Sri Bhashyam, Usha Rani Asupatri
The present study, we design and synthesize the novel dihydropyridine derivatives, i.e., 3 (a-e) and 5 (a-e) and evaluated, anticonvulsant activity. Initially due to the lacuna of LCC, we modeled the protein through modeller 9.15v and evaluated through servers. Docking studies were performed with the synthesized compounds and resulted two best compounds, i.e., 5a, 5e showed the best binding energies. The activity of intracellular Ca(2+) measurements was performed on two cell lines: A7r5 (rat aortic smooth muscle cells) and SH-SY5Y (human neuroblastoma cells)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28340729/development-validation-and-comparison-of-near-infrared-and-raman-spectroscopic-methods-for-fast-characterization-of-tablets-with-amlodipine-and-valsartan
#15
Tibor Casian, Andra Reznek, Andreea Loredana Vonica-Gligor, Jeroen Van Renterghem, Thomas De Beer, Ioan Tomuță
The objective of this study was to develop, validate and compare NIR and Raman spectroscopic methods for fast characterization in terms of API content and tensile strength of fixed-dose combination tablets containing amlodipine and valsartan. For the APIs assay NIR-transmittance and Raman-reflectance methods were considered, whereas for the tensile strength assay Raman spectra were recorded in reflectance configuration and NIR spectra were recorded in both reflectance and transmittance. Multivariate calibration models (PLS) were built by applying different pre-processing methods (SNV, MSC, SD+SNV) on certain spectral regions...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28321001/comparative-effects-of-an-angiotensin-ii-receptor-blocker-arb-diuretic-vs-arb-calcium-channel-blocker-combination-on-uncontrolled-nocturnal-hypertension-evaluated-by-information-and-communication-technology-based-nocturnal-home-blood-pressure-monitoring%C3%A3-the
#16
Kazuomi Kario, Naoko Tomitani, Hiroshi Kanegae, Hajime Ishii, Kazuaki Uchiyama, Kayo Yamagiwa, Toshihiko Shiraiwa, Tomohiro Katsuya, Tetsuro Yoshida, Kiyomi Kanda, Shinji Hasegawa, Satoshi Hoshide
BACKGROUND: Nocturnal blood pressure (BP) is an independent risk factor of cardiovascular events. The NOCTURNE study, a multicenter, randomized controlled trial (RCT) using our recently developed information and communication technology (ICT) nocturnal home BP monitoring (HBPM) device, was performed to compare the nocturnal HBP-lowering effects of differential ARB-based combination therapies in 411 Japanese patients with nocturnal hypertension (HT).Methods and Results:Patients with nocturnal BP ≥120/70 mmHg at baseline even under ARB therapy (100 mg irbesartan daily) were enrolled...
March 17, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28306636/blood-pressure-lowering-efficacy-and-safety-of-perindopril-indapamide-amlodipine-single-pill-combination-in-patients-with-uncontrolled-essential-hypertension-a-multicenter-randomized-double-blind-controlled-trial
#17
Jean-Jacques Mourad, Celso Amodeo, Martine de Champvallins, Romualda Brzozowska-Villatte, Roland Asmar
OBJECTIVES: This 4-month, double-blind, randomized, controlled trial was designed to demonstrate the superiority of perindopril/indapamide/amlodipine single pill over perindopril/indapamide after 1 month and to determine further up-titration efficacy and safety in patients with mild-to-moderate hypertension. METHODS: After a 1-month run-in period on perindopril/indapamide 5/1.25 mg, patients with SBP/DBP at least 150/95 mmHg and no diabetes or renal insufficiency received perindopril/indapamide/amlodipine 5/1...
March 16, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28300435/long-term-outcomes-of-lercanidipine-versus-other-calcium-channel-blockers-in-newly-diagnosed-hypertension-a-nationwide-cohort-study
#18
Kai-Hung Cheng, Kai-Chun Cheng, Kai-Yuan Cheng, Yi-Hsin Yang, Chung-Wei Lee, Wen-Ter Lai
OBJECTIVE: Calcium channel blockers (CCBs) have been proved to have beneficial effects on cardiovascular (CV) outcomes, especially in stroke. Lercanidipine, a highly lipophilic CCB, lacks data regarding long-term outcomes including: CV, stroke, renal and all-cause mortality. This retrospective cohort study aims to clarify this. PATIENTS AND METHODS: A total of 144,630 newly diagnosed hypertension (HTN) patients (age: 18-65 years) in 2005 from the Taiwan's National Health Insurance Research Database were enrolled in this observational study...
April 13, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28299716/fixed-dose-triple-combination-of-antihypertensive-drugs-improves-blood-pressure-control-from-clinical-trials-to-clinical-practice
#19
Alberto Mazza, Salvatore Lenti, Laura Schiavon, Antonella Paola Sacco, Fabio Dell'Avvocata, Gianluca Rigatelli, Emilio Ramazzina
INTRODUCTION: Blood pressure (BP) control is the main clinical goal in the management of hypertensive patients; however, BP in most of these patients remains uncontrolled, despite the widespread availability of antihypertensive drugs as free-combination therapy. This study compared the efficacy of a fixed-dose triple combination (FDTC) of antihypertensive drugs with that of a free combination of three antihypertensives in patients with uncontrolled hypertension. METHODS: Ninety-two patients (mean age 60...
March 15, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28290862/-the-effectiveness-of-combination-antihypertensive-therapy-in-women-with-hypothyroidism-and-the-metabolic-syndrome
#20
V V Skibitsky, A V Fendrikova, N E Pyhalova, D V Sirotenko
PURPOSE OF THE STUDY: Evaluating the effectiveness of the various options of combination antihypertensive therapy (AHT) in women with arterial hypertension (AH) and metabolic syndrome (MS) and hypothyroidism. MATERIAL AND METHODS: The study included 163 women with hypertension, metabolic syndrome, and hypothyroidism, the median age of 53.5 (48-60) years; in 73 (44.8%) women were diagnosed with subclinical hypothyroidism (SH), 90 (55.2%) - overt hypothyroidism (OH)...
September 2016: Kardiologiia
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