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https://www.readbyqxmd.com/read/28340419/photolytic-degradation-of-the-%C3%AE-blocker-nebivolol-in-aqueous-solution
#1
Alaa Salma, Holger V Lutze, Torsten C Schmidt, Jochen Tuerk
Nebivolol (NEB) is one of the top-sold prescription drugs belonging to the third generation of beta-blockers. However, so far, occurrence data in the environment are lacking. Within this study NEB has been found for the first time in effluent samples of wastewater treatment plants in Germany with an average concentration of 13 ng L(-1). Its photodegradation behavior in the environment and in technical processes is largely unknown. To fill this gap, three different UV treatment procedures (UV-C at 254 nm, UV-B at 312 nm and UV-A at 365 nm) were investigated in three different matrices: pure water, pure water in presence of the hydroxyl radical (OH) scavenger tert...
March 13, 2017: Water Research
https://www.readbyqxmd.com/read/28335640/nebivolol-attenuates-cerebral-vasospasm-both-by-increasing-endothelial-nitric-oxide-and-by-decreasing-oxidative-stress-in-an-experimental-subarachnoid-haemorrhage
#2
Mehmet Arif Aladag, Yusuf Turkoz, Hakan Parlakpinar, Mehmet Gul
OBJECTIVE: Evidence suggests that reduction of nitric oxide (NO) bioavailability due to oxidative stress plays a central role in the pathophysiology of cerebral vasospasm after subarachnoid haemorrhage (SAH). To prevent SAH-induced cerebral vasospasm, therefore we used nebivolol hydrochloride as a NO-mediated vasodilator and an antioxidant drug in an experimental rat model of SAH. MATERIALS AND METHODS: Forty female Wistar rats were divided into control, SAH, SAH plus placebo, and SAH plus nebivolol groups...
March 23, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28302931/the-comparison-of-the-effects-of-nebivolol-and-metoprolol-on-erectile-dysfunction-in-the-cases-with-coronary-artery-bypass-surgery
#3
Özcan Gür, Selami Gurkan, Gunduz Yumun, Polat Turker
PURPOSE: Beta-blocker use is common in the cases with coronary artery bypass surgery. According to the literature, beta-blockers have positive effects but may cause erectile dysfunction (ED). The most commonly used beta-blockers in ischemic cardiac disease are nebivolol and metoprolol. In our clinic, we aimed to compare the effects of nebivolol and metoprolol succinate on ED in the sexually active cases with coronary artery bypass surgery. METHODS: In our clinic, a total of 119 patients with coronary artery bypass surgery were included in the study...
March 10, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28283926/differential-metabolic-effects-of-beta-blockers-an-updated-systematic-review-of-nebivolol
#4
REVIEW
Maria Marketou, Yashaswi Gupta, Shashank Jain, Panos Vardas
Blood pressure management in hypertensive patients with metabolic abnormalities is challenging, since many of the antihypertensive drugs adversely affect metabolism. Besides effective control of blood pressure in patients with hypertension, third-generation beta-blockers such as nebivolol offer additional benefits for central hemodynamics and neutral or beneficial effects on metabolism. Emerging clinical data suggest that nebivolol also has similar effects on metabolism in obese hypertensive and hypertensive diabetic patients...
March 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28266722/development-and-validation-of-a-hplc-uv-method-for-the-simultaneous-determination-of-the-antipsychotics-clozapine-olanzapine-and-quetiapine-several-beta-blockers-and-their-metabolites
#5
Margarete Silva Gracia, Alexandra Köppl, Sandra Unholzer, Ekkehard Haen
A simple, accurate and selective column-switching high performance liquid chromatography (HPLC) method was developed and validated for simultaneous quantification of six beta-blockers (metoprolol MET, timolol TIM, bisoprolol BIS, propranolol PRO, carvedilol CAR and nebivolol NEB), three of their metabolites (α-hydroxy metoprolol α-HMET, N-desisopropyl propranolol DIPRO and 4'-hydroxy carvedilol 4-HCAR), three antipsychotics (olanzapine OLA, clozapine CLO and quetiapine QUE) and three of their metabolites (N-desmethyl olanzapine DMOLA, N-desmethyl clozapine DMCLO and N-desalkyl quetiapine DAQUE) in human serum...
March 7, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28252041/protective-effects-of-nebivolol-from-oxidative-stress-to-prevent-hypertension-related-target-organ-damage
#6
REVIEW
A Coats, S Jain
Hypertension is one of the leading risk factors for morbidity and mortality in patients with cardiovascular and cerebrovascular diseases and renal impairment. It also leads to target organ damage (TOD), which worsens organ function and the patient's clinical status. Reactive oxygen species (ROS)-mediated oxidative stress may contribute significantly to TOD in patients with hypertension. NO (nitric oxide) is a paracrine factor derived from endothelial cells that has been shown to alleviate ROS-mediated oxidative damage...
March 2, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28209351/an-indirect-stereoselective-analysis-of-nebivolol-glucuronides-in-plasma-by-lc-ms-ms-application-to-clinical-pharmacokinetics
#7
Carolina Pinto Vieira, Daniel Valente Neves, Evandro José Cesarino, Adriana Rocha, Séverine Poirier, Vera Lucia Lanchote
Nebivolol is a racemate of the d-isomer responsible for β1 adrenergic receptor antagonism and the l-isomer responsible for the release of nitric oxide from endothelial cells. Nebivolol is mainly metabolized to nebivolol glucuronide, which also contribute to the nebivolol β1 adrenoreceptor antagonism. This study reports the development and validation of an indirect stereoselective method of analysis of nebivolol glucuronides in plasma by LC-MS/MS. The method was applied to the investigation of stereoselectivity in the glucuronidation of nebivolol in elderly hypertensive patients (n=11) CYP2D6 phenotyped as EM and treated with a single oral dose of the racemate...
February 3, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28203288/nebivolol-versus-other-beta-blockers-in-patients-with-hypertension-and-erectile-dysfunction
#8
REVIEW
Randall P Sharp, Barry J Gales
Erectile dysfunction (ED) impacts over 100 million men worldwide and occurs at a higher incidence in men with hypertension. Beta blockers are one of several antihypertensive drug classes associated with ED. Nebivolol is a beta blocker with vasodilating properties mediated through endothelial release of nitric oxide which facilitates penile erection. Thus, nebivolol may offer an advantage over other beta blockers in the patient with hypertension and ED. A literature search comparing nebivolol with other beta blockers identified four European studies of limited duration, with the longest study being 28 weeks...
February 2017: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/28178754/neuroprotective-effect-of-nebivolol-against-cisplatin-associated-depressive-like-behavior-in-rats
#9
Noha F Abdelkader, Muhammed A Saad, Rania M Abdelsalam
One-third of cancer patients undergoing chemotherapy treatment often display symptoms of depression leading to poor adherence and decreased quality of life. Thus, this study aimed to investigate the possible protective effect of nebivolol against cisplatin-associated depressive symptoms in adult male rats. Nebivolol is a highly cardioselective β-adrenergic receptor blocker that possesses endothelium-dependent vasodilator properties and antioxidant capacities. Animals were allocated into four groups. Group one was given aqueous solution of carboxymethyl cellulose and served as control, group two was given nebivolol (10 mg/kg p...
February 8, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28132913/nebivolol-prevents-ethanol-induced-reactive-oxygen-species-generation-and-lipoperoxidation-in-the-rat-kidney-by-regulating-nadph-oxidase-activation-and-expression
#10
Gabriel T do Vale, Natália A Gonzaga, Janaina A Simplicio, Carlos R Tirapelli
We studied whether the β1-adrenergic antagonist nebivolol would prevent ethanol-induced reactive oxygen species generation and lipoperoxidation in the rat renal cortex. Male Wistar rats were treated with ethanol (20% v/v) for 2 weeks. Nebivolol (10mg/kg/day; p.o. gavage) prevented both the increase in superoxide anion (O2(-)) generation and thiobarbituric acid reactive substances (TBARS) concentration induced by ethanol in the renal cortex. Ethanol decreased nitrate/nitrite (NOx) concentration in the renal cortex, and nebivolol prevented this response...
January 26, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28118507/pretreatment-with-nebivolol-attenuates-level-and-expression-of-matrix-metalloproteinases-in-a-rat-model-of-renal-ischemia-reperfusion-injury
#11
Sibel Ersan, Mehmet Tanrisev, Zahide Cavdar, Asli Celik, Mehtat Unlu, Ayse Kocak, Timur Kose
AIM: Matrix metalloproteinases (MMPs) are zinc-containing proteinases that are involved in the degradation of extracellular matrix (ECM) and a number of cell surface proteins in order to maintain tissue homeostasis. They are involved in pathogenesis of several ischemic organ injuries. In the present study, we aimed to determine the expression and level of MMP-2 and MMP-9 in renal ischemia-reperfusion injury (IRI) model and the potential beneficial effect of nebivolol, a β1 -adrenergic receptor blocker, on both MMP-2 and -9 level and expression and tubular injury caused by IRI...
January 24, 2017: Nephrology
https://www.readbyqxmd.com/read/28107561/beta-blockers-for-hypertension
#12
REVIEW
Charles S Wiysonge, Hazel A Bradley, Jimmy Volmink, Bongani M Mayosi, Lionel H Opie
BACKGROUND: Beta-blockers refer to a mixed group of drugs with diverse pharmacodynamic and pharmacokinetic properties. They have shown long-term beneficial effects on mortality and cardiovascular disease (CVD) when used in people with heart failure or acute myocardial infarction. Beta-blockers were thought to have similar beneficial effects when used as first-line therapy for hypertension. However, the benefit of beta-blockers as first-line therapy for hypertension without compelling indications is controversial...
January 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28100964/comparative-efficacy-of-nebivolol-and-metoprolol-to-prevent-tachycardia-induced-cardiomyopathy-in-a-porcine-model
#13
Alireza Nazeri, MacArthur A Elayda, Ana Maria Segura, Raymond F Stainback, Joanna Nathan, Vei-Vei Lee, Christina Bove, Luiz Sampaio, Brian Grace, Ali Massumi, Mehdi Razavi
Chronic tachycardia is a well-known cause of nonischemic cardiomyopathy. We hypothesized that nebivolol, a β-blocker with nitric oxide activity, would be superior to a pure β-blocker in preventing tachycardia-induced cardiomyopathy in a porcine model. Fifteen healthy Yucatan pigs were randomly assigned to receive nebivolol, metoprolol, or placebo once a day. All pigs underwent dual-chamber pacemaker implantation. The medication was started the day after the pacemaker implantation. On day 7 after implantation, each pacemaker was set at atrioventricular pace (rate, 170 beats/min), and the pigs were observed for another 7 weeks...
December 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28075064/efficacy-of-nebivolol-valsartan-single-pill-combination-in-obese-and-nonobese-patients-with-hypertension
#14
Christian W Mende, Thomas D Giles, David B Bharucha, William G Ferguson, Madhuja Mallick, Mehul D Patel
Antihypertensive efficacy of single-pill combinations (SPCs) consisting of a β1 -selective adrenergic blocker with vasodilatory properties via β3 -agonism (nebivolol) and an angiotensin II receptor blocker (valsartan) was demonstrated in an 8-week phase 3 trial (NCT01508026). In this post hoc analysis, seated blood pressure, heart rate, 24-hour ambulatory blood pressure monitoring, plasma aldosterone, estimated glomerular filtration rate, and safety measures were assessed in obese (body mass index >32 kg/m(2) ; n=1823) and nonobese (body mass index <27 kg/m(2) ; n=847) adults with hypertension (stage I or II) treated with nebivolol-valsartan SPCs, nebivolol or valsartan monotherapy, or placebo...
January 11, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/27925253/fast-and-sensitive-analysis-of-beta-blockers-by-ultra-highperformance-liquid-chromatography-coupled-with-ultrahigh-resolution-tof-mass-spectrometry
#15
Jana Tomková, Peter Ondra, Eva Kocianová, Jan Václavík
This paper presents a method for the determination of acebutolol, betaxolol, bisoprolol, metoprolol, nebivolol and sotalol in human serum by liquid-liquid extraction (LLE) and ultra-high-performance liquid chromatography coupled with ultra-high-resolution TOF mass spectrometry (UHPLC-UHR-TOF MS). After liquid-liquid extraction, beta blockers were separated on a reverse phase analytical column Acclaim RS 120 (100 × 2.1 mm, 2.2 µm). The total run time was 6 min for each sample. Linearity, limit of detection (LOD), limit of quantification (LOQ), matrix effects, specificity, precision, accuracy, recovery and sample stability were evaluated...
December 7, 2016: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/27862262/different-effects-of-selective-%C3%AE-1-adrenoceptor-antagonists-nebivolol-or-atenolol-in-acetaminophen-induced-hepatotoxicity-of-rats
#16
Remon R Rofaeil, Maha Y Kamel, Walaa Y Abdelzaher
Acetaminophen (APAP) overdose is a common cause of acute liver failure, and beta-blockers are commonly used drugs in clinical practice. This study aimed to evaluate the effect of two different beta-blocker agents as nebivolol and atenolol against APAP-induced hepatotoxicity. Male Wistar rats were treated with APAP (2 g/kg/day, p.o.) to induce hepatotoxicity. Our results showed that nebivolol and atenolol reduced heart rate and blood pressure. Nebivolol (5 mg/kg/day, p.o.) for 14 days has a hepatoprotective effect shown by significant decrease in hepatic injury parameters (serum AST and ALT) with significant suppression of hepatic malondialdehyde (MDA) and nitric oxide (NO) which were elevated with APAP administration...
November 14, 2016: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/27850589/951-role-of-nebivolol-therapy-in-patients-with-severe-acute-respiratory-distress-syndrome
#17
Samir Hegazy, Tamer Helmy, Mohammed Salah
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27809882/comparative-effects-of-nebivolol-and-carvedilol-on-left-ventricular-diastolic-function-in-older-heart-failure-patients-with-preserved-ejection-fraction-study-protocol-for-a-randomized-controlled-trial
#18
Kyungil Park, Tae-Ho Park
BACKGROUND: Heart failure (HF) is a common and disabling condition in older people. Randomized clinical trials and meta-analyses have clearly demonstrated that the long-term use of β-Blockers improves the outcome of patients with HF. However, limited data are available on the treatment of older HF patients with preserved ejection fraction (EF). No study has specifically compared the relative effectiveness of carvedilol and nebivolol in treating HF in older patients with preserved EF...
November 3, 2016: Trials
https://www.readbyqxmd.com/read/27809345/bioequivalence-study-between-a-fixed-dose-single-pill-formulation-of-nebivolol-plus-hydrochlorothiazide-and-separate-formulations-in-healthy-subjects-using-high-performance-liquid-chromatography-coupled-to-tandem-mass-spectrometry
#19
Celso Francisco Pimentel Vespasiano, Tiago Luders Laurito, Renan Donomae Iwamoto, Ronilson Agnaldo Moreno, Gustavo D Mendes, Gilberto De Nucci
Systemic arterial hypertension is a major risk factor for cerebrovascular disease. Therefore, an adequate control of blood pressure is of enormous importance. One of the many fixed-dose single-pill antihypertensive formulations available on the market is the combination of nebivolol and hydrochlorothiazide. The objective of this study was to develop two distinct high performance liquid chromatography coupled to tandem mass spectrometry methods to simultaneously quantify nebivolol and hydrochlorothiazide in human plasma...
November 3, 2016: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/27771847/multicenter-randomized-double-blind-comparison-of-nebivolol-plus-hctz-and-irbesartan-plus-hctz-in-the-treatment-of-isolated-systolic-hypertension-in-elderly-patients-results-of-the-nehis-study
#20
Guido Grassi, Gino Seravalle, Gianmaria Brambilla, Raffaella Dell'Oro, Fosca Quarti Trevano, Francesco Fici, Luc van Bortel, Giuseppe Mancia
INTRODUCTION: The present study was aimed at comparing the antihypertensive efficacy, tolerability, and side effects profile of nebivolol/hydrochlorothiazide (NH) vs irbesartan/hydrochlorothiazide (IH) combination in elderly patients with isolated systolic hypertension (ISH). METHODS: 124 ISH patients aged 69.1 ± 5.1 years (mean ± SD) were enrolled by 13 general practitioners in Netherlands and Belgium and randomized in a double-blind fashion to receive either NH (5/12...
October 22, 2016: Advances in Therapy
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