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Candesartan

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https://www.readbyqxmd.com/read/28796934/predictors-of-candesartan-s-effect-on-vascular-reactivity-in-patients-with-coronary-artery-disease
#1
So-Ryoung Lee, In-Ho Chae, Hack-Lyoung Kim, Do-Yoon Kang, Sang-Hyun Kim, Hyo-Soo Kim
INTRODUCTION AND AIMS: Endothelial dysfunction and arterial stiffness have a prognostic value on adverse long-term outcomes in coronary artery disease (CAD) patients. We evaluated the efficacy on vascular reactivity of candesartan and analyzed predictors to control the candesartan's effect on vascular reactivity in CAD patients. METHOD: Patients were prospectively enrolled and prescribed candesartan for 6 months. The effect on vascular reactivity was evaluated by the change in flow-mediated dilation (FMD) and pulse wave velocity (PWV)...
August 10, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28762923/-candesartan-is-the-basis-of-therapy-for-arterial-hypertension-in-middle-aged-women
#2
N P Lyamin, A V Nalivayeva, A Yu Mordwintseva
No abstract text is available yet for this article.
May 2017: Kardiologiia
https://www.readbyqxmd.com/read/28754555/elastin-insufficiency-causes-hypertension-structural%C3%A2-defects-and-abnormal-remodeling-of%C3%A2-renal-vascular-signaling
#3
Elizabeth A Owens, Li Jie, Beverly A S Reyes, Elisabeth J Van Bockstaele, Patrick Osei-Owusu
Elastin deficiency causes vascular stiffening, a leading risk for hypertension and chronic kidney disease (CKD). The mechanisms mediating hypertension and/or CKD pathogenesis due to elastin deficiency are poorly understood. Using the elastin heterozygous (Eln+/-) mouse model, we tested whether renal dysfunction due to elastin deficiency occurs independently of and precedes the development of hypertension. We assessed blood pressure and renal hemodynamics in 30-day and 12-week-old male and female mice. At P30, blood pressure of Eln+/- mice was similar to wild-type controls; however, renal blood flow was lower, whereas renal vascular resistance was augmented at baseline in Eln+/- mice...
July 26, 2017: Kidney International
https://www.readbyqxmd.com/read/28734660/efficacy-and-tolerability-of-combination-therapy-versus-monotherapy-with-candesartan-and-or-amlodipine-for-dose-finding-in-essential-hypertension-a-phase-ii-multicenter-randomized-double-blind-clinical-trial
#4
Il Suk Sohn, Chong-Jin Kim, Taehoon Ahn, Ho-Joong Youn, Hui-Kyung Jeon, Sang Hyun Ihm, Eun Joo Cho, Woo-Baek Chung, Shung Chull Chae, Woo-Shik Kim, Chang-Wook Nam, Seong-Mi Park, Ji-Yong Choi, Young-Kwon Kim, Taek-Jong Hong, Hae-Young Lee, Jang-Hyun Cho, Eun-Seok Shin, Jung-Han Yoon, Tae-Hyun Yang, Myung-Ho Jeong, Jun-Hee Lee, Joong-Il Park
PURPOSE: Intensive blood pressure (BP) lowering is important for the treatment of hypertension; however, it has been a challenge to achieve target BP in many patients. The purpose of this study was to explore the optimal dosage of a fixed-dose combination of candesartan cilexetil (CAN) and amlodipine besylate (AML), by examining the tolerability and efficacy of CAN/AML combination therapy compared with those of monotherapy with either drug in patients with essential hypertension. METHODS: This Phase II multicenter, randomized, double-blind clinical trial enrolled patients aged 19 years or older with essential hypertension, defined as a mean sitting diastolic BP (msDBP) between 95 and 115 mm Hg, and a mean sitting systolic BP (msSBP) of <200 mm Hg after a 2-week placebo run-in period...
July 19, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28730079/effect-of-angiotensin-ii-type-1-receptor-blocker-and-angiotensin-converting-enzyme-inhibitor-on-the-intraocular-growth-factors-and-their-receptors-in-streptozotocin-induced-diabetic-rats
#5
Ik Soo Byon, Dong Hyun Lee, Eun Sook Jun, Min Kyu Shin, Sung Who Park, Ji Eun Lee
AIM: To investigate the effect of angiotensin II type 1 receptor blocker (ARB) and angiotensin converting enzyme inhibitor (ACEI) on intraocular growth factors and their receptors in streptozotocin-induced diabetic rats. METHODS: Forty Sprague-Dawley rats were divided into 4 groups: control, diabetes mellitus (DM), candesartan-treated DM, and enalapril-treated DM (each group, n=10). After the induction of DM by streptozotocin, candesartan [ARB, 5 mg/(kg·d)] and enalapril [ACEI, 10 mg/(kg·d)] were administered to rats orally for 4wk...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28722604/classification-and-visualization-of-physical-and-chemical-properties-of-falsified-medicines-with-handheld-raman-spectroscopy-and-x-ray-computed-tomography
#6
Tomoko Kakio, Naoko Yoshida, Susan Macha, Kazunobu Moriguchi, Takashi Hiroshima, Yukihiro Ikeda, Hirohito Tsuboi, Kazuko Kimura
Analytical methods for the detection of substandard and falsified medical products (SFs) are important for public health and patient safety. Research to understand how the physical and chemical properties of SFs can be most effectively applied to distinguish the SFs from authentic products has not yet been investigated enough. Here, we investigated the usefulness of two analytical methods, handheld Raman spectroscopy (handheld Raman) and X-ray computed tomography (X-ray CT), for detecting SFs among oral solid antihypertensive pharmaceutical products containing candesartan cilexetil as an active pharmaceutical ingredient (API)...
June 19, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28701311/pge2-upregulates-renin-through-e-prostanoid-receptor-1-via-pkc-camp-creb-pathway-in-m-1-cells
#7
Alexis A Gonzalez, Nicolas Salinas-Parra, Dan Leach, L Gabriel Navar, Minolfa C Prieto
During the early phase of angiotensin (ANG) II-dependent hypertension tubular prostaglandin E2 (PGE2) is increased. Renin synthesis and secretion in the collecting duct (CD) is upregulated by ANGII contributing to further intratubular ANGII formation. However, what happens first and whether the triggering mechanism is independent of tubular ANGII, remain unknown. PGE2 stimulates renin synthesis in juxtaglomerular (JG) cells via E-prostanoid (EP) receptors through cAMP/CREB pathway. EP receptors are also expressed in the CD...
July 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28695320/at1-and-at2-receptors-in-the-prelimbic-cortex-modulate-the-cardiovascular-response-evoked-by-acute-exposure-to-restraint-stress-in-rats
#8
Taíz F S Brasil, Aline Fassini, Fernando M Corrêa
The prelimbic cortex (PL) is an important structure in the neural pathway integrating stress responses. Brain angiotensin is involved in cardiovascular control and modulation of stress responses. Blockade of angiotensin receptors has been reported to reduce stress responses. Acute restraint stress (ARS) is a stress model, which evokes sustained blood pressure increase, tachycardia, and reduction in tail temperature. We therefore hypothesized that PL locally generated angiotensin and angiotensin receptors modulate stress autonomic responses...
July 10, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28690496/dynamic-changes-in-the-renin-angiotensin-aldosterone-system-and-the-beneficial-effects-of-renin-angiotensin-aldosterone-inhibitors-on-spatial-learning-and-memory-in-a-rat-model-of-chronic-cerebral-ischemia
#9
Xinwu Huang, Guozhou Lu, Guochun Li, Hua Li, Beihua Li, Jiazhen Yin, Shousong Cao
Renin-angiotensin-aldosterone system (RAAS) plays an important role in the regulation of blood pressure and brain function. Therefore, we studied the dynamic changes in the RAAS in the blood, cerebral cortex, and hippocampus and the effects of RAAS inhibitors on spatial learning and memory and hippocampal apoptosis in a rat model of chronic cerebral ischemia (CCI) established by bilateral ligation of the common carotid arteries of rats. The levels of renin, angiotensin II (Ang II), and aldosterone (ALD) in the plasma, and the homogenates of the left side of cerebral cortex and whole hippocampus of rats were detected on day 1, 3, 7, 14, 21, and 30 by radioimmunoassay...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28676030/heart-failure-with-preserved-ejection-fraction-a-dilemma-in-treatment-options
#10
Taylor Bramblett, Mohamed Teleb, Aymen Albaghdadi, Harsh Agrawal, Debabrata Mukherjee
Heart failure with preserved ejection fraction (HFpEF) makes up half of diagnosed heart failure cases and has similar outcomes compared to heart failure with reduced ejection fraction (HFrEF) but a discrepancy in knowledge and approach to treatment. HFpEF is diagnosed using the following criteria: symptoms, preserved ejection fraction (greater than 50%), and evidence of abnormal left ventricular filling or relaxation, or diastolic distensibility or stiffness. Studies conducted to examine the efficacy of angiotensin receptor blockers (irbesartan and candesartan), thiazide diuretics (chlorthalidone), and angiotensin converting enzyme inhibitors (perindopril) in the treatment of HFpEF, showed moderate efficacy but no clear benefit...
July 3, 2017: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/28674263/pharmacological-profiles-of-a-highly-potent-and-long-acting-angiotensin-ii-receptor-antagonist-fimasartan-in-rats-and-dogs-after-oral-administration
#11
Soo Heui Paik, Yong Ha Chi, Joo Han Lee, Hee-Soo Han, Kyung-Tae Lee
The pharmacological profile of fimasartan, [2-n-butyl-5-dimethylamino-thiocarbonyl-methyl-6-methyl-3-{[2-(1H-tetrazole-5-yl)biphenyl-4-yl]methyl}-pyrimidin-4(3H)-one, a new non-peptide angiotensin type 1 (AT1)-selective angiotensin receptor antagonist, has been investigated in a variety of in vitro and in vivo experimental models. In the present study, fimasartan showed slow dissociation and irreversible binding to AT1 subtype receptors in membrane fractions of HEK-293 cells with a Kd of 0.03 nM and a T1/2 of 63...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28670881/ameliorative-effect-of-coenzyme-q10-and-or-candesartan-on-carboplatin-induced-nephrotoxicity-roles-of-apoptosis-transforming-growth-factor-%C3%AE-1-nuclear-factor-kappa-b-and-the-nrf2-ho-1-pathway
#12
Ahmed M Kabel, Abeer A Elkhoely
Background: Carboplatin is a drug that is used for treatment of many types of cancer. However, it may produce serious nephrotoxicity. Candesartan is angiotensin II receptor antagonist employed mainly for control of hypertension. Coenzyme Q10 (CoQ10) is a fat-soluble substance which was proven to have potent antioxidant and anti-inflammatory properties. Aim: Our aim was to study the effects of candesartan and/or CoQ10 on carboplatin-induced nephrotoxicity in mice. Methods: Sixty mice were divided into 6 equal groups: Control untreated; carboplatin; carboplatin + candesartan; carboplatin + CoQ10; carboplatin + carboxymethyl cellulose; and carboplatin + candesartan + CoQ10 group...
June 25, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28669009/neuroprotective-effects-of-at1-receptor-antagonists-after-experimental-ischemic-stroke-what-is-important
#13
Juraj Culman, Toni Jacob, Sven O Schuster, Kjell Brolund-Spaether, Leonie Brolund, Ingolf Cascorbi, Yi Zhao, Peter Gohlke
The present study conducted in rats defines the requirements for neuroprotective effects of systemically administered AT1 receptor blockers (ARBs) in acute ischaemic stroke. The inhibition of central effects to angiotensin II (ANG II) after intravenous (i.v.) treatment with candesartan (0.3 and 3 mg/kg) or irbesartan and losartan (3 and 30 mg/kg) was employed to study the penetration of these ARBs across the blood-brain barrier. Verapamil and probenecid were used to assess the role of the transporters, P-glycoprotein and the multidrug resistance-related protein 2, in the entry of losartan and irbesartan into the brain...
July 2, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28640888/mechanisms-of-acute-neurovascular-protection-with-at1-blockade-after-stroke-effect-of-prestroke-hypertension
#14
Ahmed Alhusban, Anna Kozak, Bindu Pillai, Heba Ahmed, Mohammed A Sayed, Maribeth H Johnson, Tauheed Ishrat, Adviye Ergul, Susan C Fagan
Stroke is a leading cause of adult disability worldwide. Improving stroke outcome requires an orchestrated interplay that involves up regulation of pro-survival pathways and a concomitant suppression of pro-apoptotic mediators. In this investigation, we assessed the involvement of eNOS in the AT1 blocker-mediated protective and pro-recovery effects in animals with hypertension. We also evaluated the effect of acute eNOS inhibition in hypertensive animals. To achieve these goals, spontaneously hypertensive rats (SHR) were implanted with blood pressure transmitters, and randomized to receive either an eNOS inhibitor (L-NIO) or saline one hour before cerebral ischemia induction...
2017: PloS One
https://www.readbyqxmd.com/read/28617574/synergistic-suppression-of-tumor-angiogenesis-by-the-co-delivering-of-vascular-endothelial-growth-factor-targeted-sirna-and-candesartan-mediated-by-functionalized-carbon-nanovectors
#15
Xuefang Ding, Yujie Su, Cheng Wang, Fangrong Zhang, Kerong Chen, Yu Wang, Min Li, Wei Wang
Single-walled carbon nanotubes (SWNTs) with unique physicochemical properties have exhibited promising biomedical applications as drug and gene carriers. In this study, polyethylenimine (PEI)-modified SWNT conjugates linked with candesartan (CD) were developed to deliver vascular endothelial growth factor (VEGF)-targeted siRNA (siVEGF) for the synergistic and targeted treatment of tumor angiogenesis. The characterization results revealed that SWNT-PEI-CD conjugates were successfully synthesized and exhibited desirable dispersibility and superior stability...
July 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28595131/a-precision-guided-mwnt-mediated-reawakening-the-sunk-synergy-in-ras-for-anti-angiogenesis-lung-cancer-therapy
#16
Yujie Su, Yahui Hu, Yu Wang, Xiangting Xu, Yang Yuan, Yunman Li, Zeyuan Wang, Kerong Chen, Fangrong Zhang, Xuefang Ding, Min Li, Jianping Zhou, Yuan Liu, Wei Wang
Multi-walled carbon nanotube (MWNT) with its versatility has exhibited tremendous superiority in drug delivery. Despite plenty of researches on MWNT based delivery systems, precision-guided assistances to maximize their profitable properties are still lacking in substantive progress. We developed here a dual-targeting and co-delivery system based on MWNT for antiangiogenesis therapy in lung cancer which aimed at renin-angiotensin system (RAS) dysregulation by synergistically conducting angiotensin II type 1 receptor (AT1R) and type 2 receptor (AT2R) pathway...
September 2017: Biomaterials
https://www.readbyqxmd.com/read/28587581/ace-phenotyping-as-a-guide-toward-personalized-therapy-with-ace-inhibitors
#17
Sergei M Danilov, Stan I Tovsky, David E Schwartz, Randal O Dull
BACKGROUND: Angiotensin-converting enzyme (ACE) inhibitors (ACEI) are widely used in the management of cardiovascular diseases but with significant interindividual variability in the patient's response. OBJECTIVES: To investigate whether interindividual variability in the response to ACE inhibitors is explained by the "ACE phenotype"-for example, variability in plasma ACE concentration, activity, and conformation and/or the degree of ACE inhibition in each individual...
July 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28524699/comparison-of-ambulatory-blood-pressure-lowering-effects-of-higher-doses-of-different-calcium-antagonists-in-uncontrolled-hypertension-the-calcium-antagonist-controlled-release-high-dose-therapy-in-uncontrolled-refractory-hypertensive-patients-carillon-study
#18
Hiroyuki Mizuno, Satoshi Hoshide, Naoko Tomitani, Kazuomi Kario
BACKGROUND: Data are sparse regarding ambulatory blood pressure (BP) reduction of up-titration from a standard dose to a high dose in both nifedipine controlled-release (CR) and amlodipine. This was a prospective, randomized, multicenter, open-label trial. PATIENTS AND METHODS: Fifty-one uncontrolled hypertensives medicated by two or more antihypertensive drugs including a renin-angiotensin system inhibitor and a calcium antagonist were randomly assigned to either the nifedipine CR (80 mg)/candesartan (8 mg) group or the amlodipine (10 mg)/candesartan (8 mg) group...
May 19, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28501349/potential-health-impact-and-cost-effectiveness-of-drug-therapy-for-prehypertension
#19
Tao Chen, Dahai Yu, Victoria Cornelius, Rui Qin, Yamei Cai, Zhixin Jiang, Zhanzheng Zhao
BACKGROUND: Studies have reported that pharmacologic interventions with candesartan or ramipril could reduce the risk of hypertension among prehypertensive subjects free of clinical cardiovascular disease (CVD), however, the cost-effectiveness and long-term cardiovascular risk of drug treatment among these population is unclear. METHOD: A Markov state-transition model was developed to simulate a hypothetical cohort of Chinese adults with high-range prehypertension (130-139/85-89mmHg) but without CVD...
May 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28468966/protein-disulfide-isomerase-regulates-renal-at1-receptor-function-and-blood-pressure-in-rats
#20
Xitao Wang, Mohammad Asghar
Role and mechanism of renal PDI in blood pressure (BP) regulation has not been tested before. Here, we are testing this possibility in Sprague-Dawley (SD) rats. Rats were treated with PDI inhibitor bacitracin (100mg/kg, i.p./day for 14 days) followed by determining BP and renal AT1 receptor (AT1R) function in anesthetized rats. Renal AT1R function was determined as the ability of candesartan (an AT1R blocker) to increase diuresis and natriuresis. Second set of vehicle and bacitracin treated rats were used to determine biochemical parameters...
May 3, 2017: American Journal of Physiology. Renal Physiology
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