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Amlodipine

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https://www.readbyqxmd.com/read/29457348/fixed-dose-vs-free-dose-combinations-for-the-management-of-hypertension-an-analysis-of-81-958-patients
#1
Peter Bramlage, Stefanie Schmidt, Helen Sims
Fixed-dose combinations (FDC) have been developed to reduce the pill burden for hypertensive patients. Data on fixed-dose or free-dose (freeDC) ramipril/amlodipine (R/A) or candesartan/amlodipine (C/A) combination treatment initiation were assessed. 71 463 patients were prescribed R/A and 10 495 C/A. For both R/A and C/A, FDC patients were younger (both P < .001) and less comorbid. Prior MI (OR: 0.61 and 0.60), prior stroke (OR: 0.68 and 0.70) and CHD (OR: 0.68 and 0.64) were negatively associated with FDC use, whereas hyperlipidemia was positively associated (OR: 1...
February 19, 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29449705/comparison-between-l-type-and-n-l-type-calcium-channel-blockers-in-the-regulation-of-home-blood-pressure-variability-in-elderly-hypertensive-patients
#2
Satoko Nozato, Koichi Yamamoto, Yoichi Nozato, Masao Takeda, Kazuhiro Hongyo, Miyuki Takeya, Hiroshi Akasaka, Yoichi Takami, Yasushi Takeya, Ken Sugimoto, Norihisa Ito, Hiromi Rakugi
Recent studies suggest that L-type calcium channel blockers (CCBs) contribute to reducing blood pressure (BP) variability. We investigated whether inhibition of the N-type calcium channel has an additional effect on BP variability by comparing the effect of L-type and L/N-type CCBs on home BP variability in elderly hypertensive patients. Twenty-six hypertensive patients (≥65 years) were subjected to repeated changes with the administration of amlodipine (L-type CCB) and cilnidipine (L/N-type CCB) every 2 months...
February 15, 2018: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/29442628/antibacterial-properties-enhancement-of-layer-by-layer-self-assembled-nanofiltration-membranes
#3
Zhonghua Huang, Mengkun Li, Na Li, Xinyuan Tang, Zhiyu Ouyang
Membrane technology is now being widely used in the field of water treatment for its unique advantages. Layer-by-layer (LbL) self-assembly technique is a convenient and versatile method of modified nanofiltration (NF) membranes fabrication, which can be used to control the thickness and the surface properties of membranes by chemical deposition of polyelectrolytes. Herein, a new kind of composite NF membrane with enhanced antibacterial properties was successfully fabricated through LbL self-assembly method, having polyether sulfone (PES) ultrafiltration (UF) membrane as support layer, N-[(2-hydroxy-3-trimethylammonium)propyl] chloride chitosan (HTCC) and polyacrylic acid (PAA) as active layer, and epichlorohydrin (ECH) as crosslinking reagent...
July 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29441826/protective-effect-of-an-l-type-calcium-channel-blocker-amlodipine-on-paracetamol-induced-hepatotoxicity-in-rats
#4
H Kaya, B Polat, A Albayrak, T Mercantepe, B Buyuk
Paracetamol (P), one of the most popular and commonly used analgesic and antipyretic agents, causes hepatotoxicity in overdoses. Amlodipine (AML), an L-type calcium channel blocker, has been shown to have anti-inflammatory activity by reversing the effect of calcium in the inflammation pathogenesis. In this study, the hepatoprotective activity of AML on P-induced hepatotoxicity was evaluated. Thirty male albino Wistar rats were divided into five groups: (1) control, (2) 2 g/kg of P, (3) 2 g/kg of P + 5 mg/kg of AML, (4) 2 g/kg of P + 10 mg/kg of AML, and (5) 10 mg/kg of AML...
January 1, 2018: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29433851/systemic-medication-associations-with-presumed-advanced-or-uncontrolled-primary-open-angle-glaucoma
#5
Wei Zheng, Thaddeus P Dryja, Zhongyuan Wei, Dongying Song, Haijun Tian, Kristijan H Kahler, Anthony P Khawaja
PURPOSE: To identify associations between systemic medications and primary open-angle glaucoma (POAG) requiring a procedure using United States insurance claims data in a hypothesis-generating study. DESIGN: Database study. PARTICIPANTS: In total, 6130 POAG cases (defined as patients with POAG undergoing a glaucoma procedure) were matched to 30 650 controls (defined as patients undergoing cataract surgery but without a coded glaucoma diagnosis, procedure, or medication) by age, gender, and region of residence...
February 9, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29430412/study-of-drug-drug-interactions-among-the-hypertensive-patients-in-a-tertiary-care-teaching-hospital
#6
Ansha Subramanian, Mangaiarkkarasi Adhimoolam, Suresh Kannan
Aim: Drug-drug interactions (DDIs) are one of the major but preventable cause of adverse drug reaction. Study of prevalence and prediction of DDIs will make the physician easier to provide better patient care and mitigate patient's harm. Hence, the study was planned to evaluate the potential DDIs among medication prescribed to hypertensive patients in our hospital. Materials and Methods: A prospective, cross-sectional study was conducted among the hypertensive patients in medicine (outpatient/inpatient) department over the period of three months in a tertiary care hospital...
January 2018: Perspectives in Clinical Research
https://www.readbyqxmd.com/read/29427135/guiding-dose-adjustment-of-amlodipine-after-co-administration-with-ritonavir-containing-regimens-using-a-physiologically-based-pharmacokinetic-pharmacodynamic-model
#7
Dwaipayan Mukherjee, Jiuhong Zha, Rajeev M Menon, Mohamad Shebley
Amlodipine, a commonly prescribed anti-hypertensive drug, shows increased systemic exposure with cytochrome P450 (CYP) 3A inhibitors. Ritonavir (RTV) is a potent mechanism-based and reversible CYP3A inhibitor and moderate inducer that is used as a pharmacokinetic enhancer in several antiviral treatment regimens. Drug-drug interaction (DDI) between RTV and amlodipine is due to mixed inhibition and induction of CYP3A4, which is challenging to predict without a mechanistic model that accounts for the complexity of both mechanisms occurring simultaneously...
February 9, 2018: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/29417244/secondary-raynaud-s-phenomenon-and-skin-necrosis-of-toes-in-the-paraplegic-patient-with-hypertension
#8
Yong Jig Lee, Kisoo Park
We present two cases of paraplegic patients who developed secondary Raynaud's phenomenon. A 43-year-old man with paraplegia presented with dark purple discoloration and skin defects on his left second and third toes and complained of a cold sensation in both feet for a period of 1 year. He had been taking diuretics for 4 years. The capillary refilling time for both affected toes was delayed. His antihypertensive drug was changed to a calcium channel blocker under suspicion of Raynaud's phenomenon aggravated by hydrochlorothiazide, and the capillary refilling time normalized within 3 days...
February 7, 2018: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/29413973/novel-bio-analytical-method-development-validation-and-application-for-simultaneous-determination-of-nebivolol-and-s-amlodipine-in-human-plasma-using-ultra-performance-liquid-chromatography-tandem-mass-spectrometry
#9
Bhargav M Patel, Arvind G Jangid, B N Suhagia, Nirmal Desai
A sensitive and specific ultra-performance liquid chromatography tandem mass spectrometric (UPLC-MS/MS) method has been developed, validated and applied for the assay of Nebivolol and S-amlodipine in human plasma. Sample extraction was carried out through hybrid extraction method from 250 μL of human plasma sample. Linearity of the method was (r ≥ 0.9996) was found to be dynamic for both the analytes over concentration range of 25.0-4000 pg/mL. Chromatographic separation was achieved on UPLC column {Waters Acquity UPLC BEH C18 (50 mm × 2...
January 6, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29409036/simultaneous-quantitation-of-amlodipine-besylate-and-olmesartan-medoxomil-in-fixed-dose-combination-tablets-hplc-dad-versus-uhplc-dad
#10
Mariana de Oliveira Almeida, Christian Fernandes, Gerson Antônio Pianetti, Isabela Costa César
Association of amlodipine besylate and olmesartan medoxomil in fixed-dose combination tablets is effective, safe and well tolerated for the treatment of hypertension. The aim of this study was to optimize and validate a novel and fast UHPLC-DAD method for simultaneous quantification of these antihypertensive drugs in tablets, using a transfer procedure from a conventional HPLC-DAD method. The HPLC separation was carried out using a C18 column (150 × 4.6 mm2; 5 μm) and a mobile phase composed of acetonitrile, methanol and 0...
February 2, 2018: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/29404362/the-potential-detrimental-effects-of-calcium-channel-blockers-overdose-and-current-available-management
#11
Manyoo A Agarwal, David Flatt, Rami N Khouzam
Calcium channel blockers (CCBs) are prescribed in a wide variety of cardiovascular conditions. Overdose of this commonly used drug can result in negative physiologic consequences including severe hypotension and even death due to metabolic and hemodynamic compromise. We report the fatal case of an amlodipine overdose, which caused intractable acidosis and cardiovascular failure in a 51-year-old male.
January 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29404054/application-of-an-lc-ms-ms-method-for-the-analysis-of-amlodipine-valsartan-and-hydrochlorothiazide-in-polypill-for-a-bioequivalence-study
#12
Jaivik V Shah, Jignesh M Parekh, Priyanka A Shah, Priya V Shah, Mallika Sanyal, Pranav S Shrivastav
A sensitive and selective method has been proposed for the simultaneous determination of amlodipine (AML), valsartan (VAL) and hydrochlorothiazide (HCTZ) in human plasma by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The analytes and their deuterated analogs were quantitatively extracted from 100 µL human plasma by solid phase extraction on Oasis HLB cartridges. The chromatographic separation of the analytes was achieved on a Chromolith RP18e (100 mm × 4.6 mm) analytical column within 2...
October 2017: Journal of Pharmaceutical Analysis
https://www.readbyqxmd.com/read/29391236/the-role-of-gut-microbiota-in-the-pharmacokinetics-of-antihypertensive-drugs
#13
REVIEW
Min Sun Choi, Jun Sang Yu, Hye Hyun Yoo, Dong-Hyun Kim
The intestine is one of the most important sites for the metabolism of several xenobiotic compounds. In addition to intestinal drug-metabolizing enzymes and drug transporters, gut microbial enzymes modulate the biotransformation of orally administered drugs in the gastrointestinal tract. Antihypertensive drugs such as amlodipine and nifedipine could be metabolized by gut microbial enzymes, which may influence drug absorption, leading to changes in pharmacological potency of the drug and eventual failure of the appropriate blood pressure control or unexpected side effects...
January 30, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29387775/drug-reaction-with-eosinophilia-and-systemic-symptoms-dress-syndrome-case-report-of-severe-multiorgan-involvement-to-perindopril-amlodipine-combination-antihypertensive
#14
Linda Chan, Charles Chan, David K Cook
No abstract text is available yet for this article.
March 2018: JAAD Case Reports
https://www.readbyqxmd.com/read/29385884/effects-of-triptolide-on-pharmacokinetics-of-amlodipine-in-rats-by-using-lc-ms-ms
#15
Chengyin Zhang, Zhiqiang Gao, Lijuan Niu, Xuexun Chen
CONTEXT: Triptolide and amlodipine are often simultaneously used for reducing urine protein excretion after renal transplantation in China clinics. OBJECTIVE: This study investigated the effects of triptolide on the pharmacokinetics of amlodipine in male Sprague-Dawley rats. MATERIALS AND METHODS: The pharmacokinetics of amlodipine (1 mg/kg) with or without triptolide pre-treatment (2 mg/kg/day for seven days) were investigated using a sensitive and reliable LC-MS/MS method...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29383633/a-fatal-case-of-amlodipine-toxicity-following-iatrogenic-hypercalcemia
#16
Narges-Sadat Zahed, Hossein Hassanian-Moghaddam, Nasim Zamani
Using calcium salts in management of amlodipine overdose is challenging. A 25-year-old male with known history of adult polycystic kidney disease presented with hypotension, tachycardia, and intact neurological status after ingestion of 450 mg of amlodipine. Immediately, normal saline infusion and norepinephrine were initiated. Two grams of calcium gluconate was injected, followed by intravenous infusion of 1.16 mg/kg/h. The patient was put on insulin-glucose protocol to maintain euglycemia and hyperinsulinemia...
January 30, 2018: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/29378924/author-response-teaching-neuroimages-amlodipine-responsive-trigeminal-neuralgia-an-alibi-for-vascular-compression-theory
#17
Ravi Uniyal, Vimal Kumar Paliwal, Hardeep Singh Malhotra, Ravindra Kumar Garg, Neeraj Kumar
No abstract text is available yet for this article.
January 30, 2018: Neurology
https://www.readbyqxmd.com/read/29378923/reader-response-teaching-neuroimages-amlodipine-responsive-trigeminal-neuralgia-an-alibi-for-vascular-compression-theory
#18
Giuseppe Lanzino, Enrico Giordan
No abstract text is available yet for this article.
January 30, 2018: Neurology
https://www.readbyqxmd.com/read/29378922/editors-note-teaching-neuroimages-amlodipine-responsive-trigeminal-neuralgia-an-alibi-for-vascular-compression-theory
#19
Chafic Karam, Robert C Griggs
No abstract text is available yet for this article.
January 30, 2018: Neurology
https://www.readbyqxmd.com/read/29376432/modifications-in-drug-adherence-after-switch-to-fixed-dose-combination-of-perindopril-amlodipine-in-clinical-practice-results-of-a-large-scale-italian-experience-the-amlodipine-perindopril-in-real-settings-amperes-study
#20
Luca Degli Esposti, Valentina Perrone, Chiara Veronesi, Marco Gambera, Giulio Nati, Francesco Perone, Paola Fausta Tagliabue, Stefano Buda, Claudio Borghi
OBJECTIVE: The purpose of this study was to assess the changes in adherence to treatment, in patients who switched from perindopril and/or amlodipine as a monotherapy (single-pill therapy, SPT) or two-pill combinations to fixed-dose combination (FDC) therapy. METHODS: A large retrospective cohort study, in 3 Italian Local Health Units, was performed. All adult subjects who received at least one prescription of antihypertensive drugs between 01/01/2010 and 31/12/2014 were selected...
January 27, 2018: Current Medical Research and Opinion
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