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Olmesartan

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https://www.readbyqxmd.com/read/28625505/bioequivalence-study-of-a-new-fixed-dose-combination-tablet-containing-s-amlodipine-nicotinate-and-olmesartan-medoxomil-in-healthy-korean-male-subjects
#1
Mi Jin Oh, Hyun Hwan Hwang, Hyun Gyu Kim, Geun Hyeog Lee, Yun-Seok Cho, Sun Young Lee, Soo Yeon Kang, Kyung Hee Cho, Yun Young Lee, Yun Jeong Lee, Choon-Gon Jang, Seok-Yong Lee
PURPOSE: A fixed-dose combination (FDC) pill of amlodipine (relatively old calcium channel blocker as dihydropyridine) and olmesartan (relatively new angiotensin II receptor blocker) is used for hypertension that is not adequately controlled with a single-formulation drug. Because the FDC is a one-pill formulation, and amlodipine and olmesartan have different mechanisms of action, it is expected to improve patients' medication compliance and have an increased blood pressure-lowering efficacy...
June 15, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28608026/monotherapy-and-dual-combination-therapies-based-on-olmesartan-a-comprehensive-strategy-to-improve-blood-pressure-control
#2
REVIEW
Massimo Volpe, Caterina Santolamazza, Vittoria Mastromarino, Roberta Coluccia, Allegra Battistoni, Giuliano Tocci
Olmesartan medoxomil is an antihypertensive drug of the class of angiotensin II type 1 (AT1) receptor antagonists (or blockers), characterized by tight and prolonged binding to AT1 receptor compared to other molecules within the same class. These characteristics produce effective and sustained blood pressure reductions in hypertensive patients at different cardiovascular risk profile with a good tolerability profile. After a brief description of the pharmacological characteristics of olmesartan, we will provide a thorough overview of the clinical studies that investigated its efficacy and safety in the clinical management of hypertensive patients both in monotherapy and in dual combination therapies with either thiazide diuretics or calcium channel blockers...
June 12, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28608025/triple-combination-therapies-based-on-olmesartan-a-personalized-therapeutic-approach-to-improve-blood-pressure-control
#3
REVIEW
Massimo Volpe, Caterina Santolamazza, Vittoria Mastromarino, Roberta Coluccia, Allegra Battistoni, Giuliano Tocci
Recent epidemiological surveys have demonstrated that effective and sustained blood pressure (BP) control is achieved in a relatively small proportion of treated hypertensive patients. Indeed, treatment of hypertension represents a key strategy for preventing coronary artery disease, stroke, congestive heart failure and cardiovascular death. Several interventions have been proposed by international guidelines for ameliorating hypertension management and control, mostly including integrated and multi-dimensional pharmacological and non-pharmacological strategies...
June 12, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28583166/tardive-akathisia-related-to-the-anti-hypertensive-agent-sevikar-a-case-report
#4
Men-Ting Hsieh, Pao-Yen Lin, Chia-Jen Tsai, Chiung-Chih Chang, Yu Lee
BACKGROUND: Tardive akathisia (TA) is a subtype of tardive syndrome, and its etiology is still uncertain. Sevikar is an anti-hypertensive agent containing both amlodipine and olmesartan, and has never been reported to have an adverse reaction in patients with tardive syndrome. CASE PRESENTATION: A 57-year-old woman who took Sevikar for hypertension for 10 years developed TA one and a half years before receiving any psychiatric treatment. After switching from Sevikar to bisoprolol, she reported obvious improvement in her akathisia...
June 5, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28538203/uhplc-ms-ms-method-with-sample-dilution-to-test-therapeutic-adherence-through-quantification-of-ten-antihypertensive-drugs-in-urine-samples
#5
Amedeo De Nicolò, Valeria Avataneo, Franco Rabbia, Mauro Sciandra, Francesco Tosello, Jessica Cusato, Elisa Perlo, Paolo Mulatero, Franco Veglio, Giovanni Di Perri, Antonio D'Avolio
Nowadays, hypertension represents an important health problem, particularly in developed countries. In some cases the standard therapeutic approaches are not able to reestablish the normal blood pressure values: this condition is called "resistant hypertension". However, a fraction of cases of resistant hypertension are actually due to poor adherence to the prescribed therapy. Therapeutic Drug Monitoring could represent a direct and useful tool to correctly identify non-compliant patients. Nevertheless, high throughput methods for the simultaneous monitoring of a wide panel of drugs in the same analysis are lacking and, furthermore, there is not a generally acknowledged "standard" matrix for this test (plasma or urine)...
May 13, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28498232/antihypertensive-drugs-aliskiren-nebivolol-and-olmesartan-reduce-hypertension-by-reducing-endothelial-microparticle-and-regulating-angiogenesis
#6
Moon Jain, Vivek Bhosale, Dipti Tripathi, Himalaya Singh, Niharika Pal, Kashif Hanif, Kumaravelu Jagavelu
The accelerated generation of endothelial microparticles (EMP) and impaired angiogenesis are the markers of vascular pathology during various cardiovascular and inflammatory conditions including hypertension. Since, studies comparing the effects of antihypertensive agents on these two parameters are limited; the present study was designed to compare the effects of three antihypertensive agents: aliskiren, nebivolol, and olmesartan, on the EMP generation and angiogenesis. Changes in the hemodynamic parameters and serum EMP count were determined post 3 weeks of the drug treatments [aliskiren (30 mg/kg), nebivolol (10 mg/kg), or olmesartan (5 mg/kg) per orally] in L-NAME induced rat model of hypertension...
May 9, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28496022/comparison-of-efficacy-and-safety-of-azilsartan-and-olmesartan-in-patients-with-essential-hypertension
#7
Yuhei Shiga, Shin-Ichiro Miura, Kota Motozato, Kenji Norimatsu, Masaya Yano, Yuka Hitaka, Sen Adachi, Takashi Kuwano, Ken Inoue, Asao Inoue, Kazuaki Fujisawa, Tetsuro Shirotani, Takaaki Kusumoto, Munehito Ideishi, Keijiro Saku
Many patients still have high blood pressure (BP) after treatment with angiotensin II type 1 (AT1) receptor blockers (ARBs). We compared the efficacy and safety of azilsartan to those of olmesartan in a prospective randomized clinical trial. Sixty-four hypertensive patients who were treated with ARBs other than azilsartan and olmesartan were enrolled in this study. We randomly assigned patients to changeover from their prior ARBs to either azilsartan or olmesartan, and followed the patients for 3 months. Systolic BP (SBP) in the azilsartan group was significantly decreased at 3 months, and diastolic BP (DBP) and pulse rate (PR) in the olmesartan group showed significant reductions after 3 months...
May 12, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28479361/impact-of-fda-approved-drugs-on-the-prostaglandin-transporter-oatp2a1-slco2a1
#8
Shunsuke Kamo, Takeo Nakanishi, Rika Aotani, Yoshinobu Nakamura, Tomoka Gose, Ikumi Tamai
To understand interaction of drugs with the prostaglandin transporter OATP2A1/SLCO2A1 that regulates disposition of prostaglandins, we explored the impact of 636 drugs in an FDA-approved drug library on 6-carboxyfluorescein (6-CF) uptake by OATP2A1-expressing HEK293 cells (HEK/2A1). Fifty-one and 10 drugs were found to inhibit and enhance 6-CF uptake by more than 50%, respectively. Effect of the 51 drugs on 6-CF uptake was positively correlated with that on PGE2 uptake (r = 0.64, p < 0.001). Among those, 5 drugs not structurally related to prostaglandins, suramin, pranlukast, zafirlukast, olmesartan medoxomil, and losartan potassium, exhibited more than 90% PGE2 uptake inhibition...
May 4, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28441972/efficacy-of-olmesartan-amlodipine-in-colombian-hypertensive-patients-soat-study
#9
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/28437842/autoimmune-like-chronic-hepatitis-induced-by-olmesartan
#10
Sandrine Barge, Marianne Ziol, Jean-Charles Nault
Drug liver-induced injury (DILI) due to minocyclin, alpha methyldopa or nitrofurantoin may be responsible for chronic liver damage that mimic the biological and/or histological features of chronic autoimmune hepatitis and, in rare cases, progresses to cirrhosis(1). Olmesartan medoxomil is an antihypertensive drug that acts by blocking the angiotensin II receptor and is metabolized into its pharmacologically active form, olmesartan, in the intestine and in the liver before being released into the systemic circulation...
April 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28431778/olmesartan
#11
Abdulrahman A Al-Majed, Ahmed H H Bakheit, Hatem A Abdel Aziz, Abdulelah A M Al-Jallal
Olmesartan is an angiotensin receptor blockers with actions similar to those of losartan; it is used for the treatment of high blood pressure by relaxing blood vessels for this reason blood can flow more easily. It could be used alone or in combination with other antihypertensive drugs. This chapter gives a comprehensive profile of olmesartan, containing detailed nomenclature, formulae, elemental analysis, and appearance of the drug. In addition this chapter also describes several methods of synthesis and usage of the olmesartan...
2017: Profiles of Drug Substances, Excipients, and related Methodology
https://www.readbyqxmd.com/read/28415046/cost-benefit-effectiveness-of-angiotensin-ii-receptor-blockers-in-patients-with-uncomplicated-hypertension-a-comparative-analysis
#12
Alberto Mazza, Antonella Paola Sacco, Danyelle M Townsend, Gianni Bregola, Edgardo Contatto, Isabella Cappello, Laura Schiavon, Emilio Ramazzina, Domenico Rubello
OBJECTIVE: The treatment of hypertensive patients (HTs) requires a long-term commitment of compliance for the patient and resources by the healthcare system. This poses an economic dilemma in countries where universal healthcare is standard. The aim of this study was to evaluate the costs/health benefit and effectiveness of treatment with angiotensin-II receptor blockers (ARBs) in uncomplicated essential hypertension. DESIGN AND METHODS: The daily and annual economic commitment for treating patients with ARBs was estimated using pharmacy dispensing records and the BP-lowering effects of candesartan, irbesartan, losartan, olmesartan, telmisartan and valsartan was evaluated retrospectively...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28374982/angiotensin-ii-receptor-blockers-inhibit-the-generation-of-epoxyeicosatrienoic-acid-from-arachidonic-acid-in-recombinant-cyp2c9-cyp2j2-and-human-liver-microsomes
#13
Asuna Senda, Yuji Mukai, Toru Hayakawa, Yuka Kato, Erik Eliasson, Anders Rane, Takaki Toda, Nobuo Inotsume
Cytochrome P450 (CYP) 2C9, CYP2C8 and CYP2J2 enzymes, which metabolize arachidonic acid to epoxyeicosatrienoic acids (EETs), have cardioprotective effects including anti-inflammation and vasodilation. We have recently shown that some angiotensin II receptor blockers (ARBs) may inhibit AA metabolism via CYP2C8. Using recombinant CYP2C9, CYP2J2, and human liver microsomes (HLMs), the aim was now to compare the ability of six different clinically used ARBs to inhibit AA metabolism in vitro. The rank order of the ARBs for the 50% inhibitory concentration (IC50 ) of AA metabolism was losartan < telmisartan < irbesartan < candesartan < olmesartan < valsartan via CYP2C9, and telmisartan < irbesartan < olmesartan < losartan < candesartan and valsartan via CYP2J2...
April 4, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28350748/short-article-mortality-and-differential-diagnoses-of-villous-atrophy-without-coeliac-antibodies
#14
Annalisa Schiepatti, Federico Biagi, Giacomo Fraternale, Claudia Vattiato, Davide Balduzzi, Simona Agazzi, Claudia Alpini, Catherine Klersy, Gino R Corazza
OBJECTIVE: Villous atrophy (VA) of the small bowel is mainly related to coeliac disease (CD), whose diagnosis is made on the basis of positive endomysial/tissue transglutaminase antibodies while on a gluten-containing diet in the vast majority of patients. However, VA can also occur in other conditions whose epidemiology is little known. Our aim was to study the epidemiology and clinical features of these rare enteropathies. PATIENTS AND METHODS: Clinical and laboratory data of all the patients with VA directly diagnosed in our centre in the last 15 years were collected and statistically analysed...
May 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28334417/pharmacovigilance-database-search-discloses-clc-k-channels-as-a-novel-target-of-the-at1-receptor-blockers-valsartan-and-olmesartan
#15
Paola Imbrici, Domenico Tricarico, Giuseppe Felice Mangiatordi, Orazio Nicolotti, Marcello Diego Lograno, Diana Conte, Antonella Liantonio
BACKGROUND AND PURPOSE: Human ClC-K chloride channels are highly attractive targets for drug discovery as they have a variety of important physiological functions and are associated with genetic disorders. These channels are crucial in the kidney as they control chloride reabsorption and water diuresis. In addition, loss-of-function mutations of CLCNKB and BSND genes cause Bartter's syndrome (BS), whereas CLCNKA and CLCNKB gain-of-function polymorphisms predispose to a rare form of salt sensitive hypertension...
July 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28304186/mir-205-mediates-the-inhibition-of-cervical-cancer-cell-proliferation-using-olmesartan
#16
Zhang Yue, Zhang Yun-Shan, Xue Feng-Xia
OBJECTIVE: The renin-angiotensin-aldosterone system has become known as a prerequisite for tumor angiogenesis that is now recognized as a crucial step in the development of tumors, including cervical cancer. The Ang II-AT1R pathway is known to play an important role in tumor angiogenesis. MicroRNAs (miRNAs) are a class of small, regulating RNAs that participate in tumor genesis, differentiation and proliferation. The current study focused on the anti-tumor mechanism of olmesartan, a novel angiotensin II antagonist, on cervical cancer cells...
July 2016: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/28301500/circulating-progenitor-cells-in-hypertensive-subjects-effectiveness-of-a-treatment-with-olmesartan-in-improving-cell-number-and-mir-profile-in-addition-to-expected-pharmacological-effects
#17
Giuseppe Mandraffino, Caterina Oriana Aragona, Valentina Cairo, Michele Scuruchi, Alberto Lo Gullo, Angela D'Ascola, Angela Alibrandi, Saverio Loddo, Sebastiano Quartuccio, Carmela Morace, Enricomaria Mormina, Giorgio Basile, Antonino Saitta, Egidio Imbalzano
CD34+ circulating progenitor cells (CD34+CPCs) are a population of multipotent cells which can delay the development of atherosclerosis and cardiovascular disease (CVD) in conditions of increased CV risk. MicroRNAs (miRs) 221 and 222 modulate different genes regulating angiogenesis and inflammation; moreover, miR221/22 have beenshown to participate in differentiation and proliferation of CD34+CPCs, inhibiting cell migration and homing. miR221/222 in CD34+CPCs from hypertensive subjects are also increased and associated with CD34+cell number and reactive oxygen species (ROS)...
2017: PloS One
https://www.readbyqxmd.com/read/28291561/olmesartan-associated-sprue-like-enteropathy-an-emerging-cause-of-drug-induced-chronic-diarrhea
#18
G Solano-Iturri, N García-Jiménez, J D Solano-Iturri, S Blanco-Sampascual
No abstract text is available yet for this article.
March 10, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28290712/development-of-olmesartan-medoxomil-lipid-based-nanoparticles-and-nanosuspension-preparation-characterization-and-comparative-pharmacokinetic-evaluation
#19
Arun B, Narendar D, Kishan Veerabrahma
The aim was to enhance the oral bioavailability of olmesartan medoxomil (OM) by preparing solid lipid nanoparticles (SLNs) and comparing with nanosuspension (OM-NS). OM-SLNs and OM-NS were prepared by known methods. Prepared SLNs were evaluated for physical characters and in vivo pharmacokinetic (PK) performance in rats. OM-NS showed more than four-fold increase in the solubility. During DSC and XRD studies, drug incorporated in SLNs was found to be in amorphous form. The relative bioavailability of OM-SLN and OM-NS was 7...
March 14, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28289500/olmesartan-induced-enteropathy
#20
Abimbola Adike, Juan Corral, David Rybnicek, Daniel Sussman, Samir Shah, Eamonn Quigley
Olmesartan-induced enteropathy mimics celiac disease clinically and pathologically. As in celiac disease, the pathologic findings are villous atrophy and increased intraepithelial lymphocytes. Clinical presentation of olmesartan-induced enteropathy includes diarrhea, weight loss, and nausea. In contrast to celiac disease, tissue transglutaminase is not elevated and there is no response to a gluten-free diet. Including this entity in the differential diagnosis of sprue-like enteropathy is critical for its early diagnosis since replacing olmesartan with an alternative antihypertensive drug can simplify the diagnostic workup and provide both clinical and histologic improvement...
October 2016: Methodist DeBakey Cardiovascular Journal
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