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https://www.readbyqxmd.com/read/28441972/efficacy-of-olmesartan-amlodipine-in-colombian-hypertensive-patients-soat-study
#1
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
#2
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
#3
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
#4
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...
April 14, 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
#5
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
#6
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
#7
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 for their physiological role and association with genetic disorders. These channels are pivotal in the kidney as they control chloride reabsorption and water diuresis. In addition, loss-of-function mutations of CLCKNB and BSND genes cause Bartter's syndrome (BS), whereas CLCNKA and CLCKNB gain-of-function polymorphisms predispose to a rare form of salt sensitive hypertension. Both disorders lack a personalized therapy that is in most cases only symptomatic...
March 23, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28304186/mir-205-mediates-the-inhibition-of-cervical-cancer-cell-proliferation-using-olmesartan
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28284054/nanostructured-lipid-carriers-of-olmesartan-medoxomil-with-enhanced-oral-bioavailability
#13
Vikram Kaithwas, Chander Parkash Dora, Varun Kushwah, Sanyog Jain
The current study explores the potential of nanostructured lipid carriers (NLCs) for oral bioavailability enhancement of olmesartan medoxomil (OLM) by systemic design approach. OLM-NLC was successfully prepared with optimized process parameters (i.e. amount of liquid lipid, total amount of lipid, drug content and surfactant concentration) using the Box-Behnken design of experiments for different response parameters (i.e. particle size, Polydispersity index and entrapment efficiency). Further, optimized formulation was validated which depicted nano size, homogenous distribution with optimum entrapment efficiency...
March 6, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28271908/development-of-olmesartan-medoxomil-optimized-nanosuspension-using-box-behnken-design-to-improve-oral-bioavailability
#14
Nagaraj K, Narendar D, Kishan V
The aim of present investigation was to enhance the oral bioavailability of olmesartan medoxomil by improving its solubility and dissolution rate by preparing nanosuspension (OM-NS), using Box-Behnken design. In this, four factors were evaluated at three levels. Independent variables include: concentration of drug (X1), concentration of surfactant (X2), concentration of polymer (X3) and number of homogenization cycles (X4). Based on preliminary studies the size (Y1), zeta potential (Y2) and % drug release at 5min (Y3) were chosen as dependent responses...
March 8, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28258390/management-of-hypertension-using-olmesartan-alone-or-in-combination
#15
REVIEW
Xiaoshen Zhang, Han Zhang, Yuxia Ma, Wenliang Che, Michael R Hamblin
Hypertension is one of the most significant and consistent risk factors for many cardiovascular diseases. The global prevalence of hypertension has dramatically increased over recent years. Life-style and genetic factors are generally considered to be primarily responsible for the incidence of hypertension. Concerning the high morbidity rate, setting up an updated standard for hypertensive patients becomes indispensable. According to the widely accepted standard treatments for hypertension, these four basic principles should be taken into account: low dosage; medication should provide long term-control; combination therapies are becoming common; personalized treatments are a newer approach...
March 3, 2017: Cardiology and Therapy
https://www.readbyqxmd.com/read/28230062/triple-combination-therapy-in-the-treatment-of-hypertension-a-review-of-the-evidence
#16
REVIEW
R Düsing, B Waeber, M Destro, C Santos Maia, P Brunel
Hypertension is a serious public health concern with inadequate control of blood pressure (BP) worldwide. Contributing factors include low efficacy of drugs, underuse of combination therapies, irrational combinations, physicians' therapeutic inertia and poor adherence to treatment. Current guidelines recommend the use of initial (dual) combination therapy in high-risk patients for immediate BP response, better short- and long-term BP control, and continued/improved patient adherence. This article aims to review the existing evidence of triple-combination therapies with respect to efficacy, safety and adherence to treatment...
February 23, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28116656/formulation-optimization-and-in-vitro-in-vivo-evaluation-of-olmesartan-medoxomil-nanocrystals
#17
Sanyog Jain, Kamlesh Patel, Sumit Arora, Venkata Appa Reddy, Chander Parkash Dora
The aim of the present study is to increase the saturation solubility and oral bioavailability of olmesartan medoxomil (OLM) using nano-sized crystals produced using a combination of antisolvent precipitation and high-shear homogenization. A response surface design comprising 46 runs was used to optimize the OLM nanocrystal formulation. The optimized formulation was produced using a combination of D-alpha tocopheryl polyethylene glycol 1000 succinate (TPGS) (0.7% w/v), Pluronic F-68® (0.5% w/v), and drug concentration (0...
April 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28093466/effects-of-sacubitril-valsartan-versus-olmesartan-on-central-hemodynamics-in-the-elderly-with-systolic-hypertension-the-parameter-study
#18
Bryan Williams, John R Cockcroft, Kazuomi Kario, Dion H Zappe, Patrick C Brunel, Qian Wang, Weinong Guo
Effective treatment of systolic hypertension in elderly patients remains a major therapeutic challenge. A multicenter, double-blind, randomized controlled trial with sacubitril/valsartan (LCZ696), a first-in-class angiotensin receptor neprilysin inhibitor, was conducted to determine its effects versus olmesartan (angiotensin receptor blocker) on central aortic pressures, in elderly patients (aged ≥60 years) with systolic hypertension and pulse pressure >60 mm Hg, indicative of arterial stiffness. Patients (n=454; mean age, 67...
March 2017: Hypertension
https://www.readbyqxmd.com/read/28089902/olmesartan-with-azelnidipine-versus-with-trichlormethiazide-on-home-blood-pressure-variability-in-patients-with-type-ii-diabetes-mellitus
#19
Emi Ushigome, Shinobu Matsumoto, Chikako Oyabu, Hidetaka Ushigome, Isao Yokota, Goji Hasegawa, Naoto Nakamura, Muhei Tanaka, Masahiro Yamazaki, Michiaki Fukui
The aim of the present study was to compare the effects of olmesartan combined with azelnidipine versus olmesartan combined with trichlormethiazide, on home blood pressure (BP) and pressure variability in type II diabetes mellitus patients using home BP telemonitoring system. We performed an open-label cross-over pilot study of 28 patients with type II diabetes mellitus. Patients received combination treatment with either olmesartan 20 mg plus azelnidipine 16 mg or olmesartan 20 mg plus trichlormethiazide 1 mg for more than 6 weeks each in a cross-over method...
December 22, 2016: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28079608/mortality-and-differential-diagnoses-of-villous-atrophy-without-coeliac-antibodies
#20
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...
January 11, 2017: European Journal of Gastroenterology & Hepatology
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