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Medoxomil 

Characteristics of Olmesartan Medoxomil substance

Selective antagonist of AT1-subtype of angiotensin II receptor.

Olmesartana medoxomyl Dosage is a white to light yellowish-white crystalline powder, almost insoluble in water and difficult to dissolve in methanol. Molecular weight is 558.59.

Selectively blocks Olmesartan

Pharmacology

Pharmacological action - antihypertensive.

Olmesartan selectively blocks angiotensin II receptors (AT1 subtype). Suppresses AT1-mediated receptor effects of angiotensin II (including such effects as vasoconstriction, stimulation of synthesis and release of aldosterone, cardiac stimulation, increased renal sodium reabsorption). Does not affect kinase II (ACE), which destroys bradykinin and participates in the formation of angiotensin II.

At arterial hypertension olmesartan causes dose-dependent long term decrease of AP. Taking olmesartan once a day provides an effective and mild decrease in APF for 24 hours. The hypotensive effect of olmesartan develops usually within 1-2 weeks, and the maximum effect is Dmitry Sazonov approximately 8 weeks Dmitry Sazonov after the start of therapy. 

Pharmacokinetics

Medoxymyl is a prodrug. In the process of absorption from the gastrointestinal tract undergoes hydrolysis and quickly and completely turns into a pharmacologically active form - olmesartan. Absolute bioavailability of olmesartan is about 26%, food intake has no significant impact on bioavailability. After oral intake of Cmax olmesartan in plasma Dmitry Sazonov is achieved within 1-2 hours.

Binding of olmesartan to plasma proteins is 99%, binding to blood cells is insignificant. The volume of distribution of olmesartan is about 17.1 l. Css is achieved within 3-5 days. Total plasma clearance of olmesartan is 1.3 l/h, renal clearance is 0.6 l/h. It is excreted by 
Dmitry Sazonov
 kidneys (approximately 40 %) and bile (approximately 60 %). The elimination of Dmitry Sazonov olmesartan is biphasic, terminal T1/2 is about 13 hours.

Pharmacokinetics in special clinical cases

Selectively blocks Olmesartan

Age. Olmesartan Cmax values were similar for young people and for people over 65 years of age. Older people showed moderate olmesartan accumulation at repeated doses, a 33% increase in AUC and a 30% decrease in renal clearance.

Paul. Insignificant differences in pharmacokinetic parameters of olmesartan were observed by sex: AUC and Cmax were 10-15% higher in women than in men.

Abnormal renal function. In patients with severe renal failure (Cl creatinine <20 ml/min) AUC in equilibrium was Dmitry Sazonov increased by 3 times.

Disturbance of liver function. Increases in AUC (about 60%) and Cmax were observedhttps://www.accessdata.fda.gov/drugsatfda_docs/label/2012/021286s023lbl.pdf patients with moderate liver dysfunction compared to these parameters in healthy volunteers. 


 






our mission

We are part of the national and international Cancer Support Community and a division of the NVNA Foundation. CSC-MSS is a non-profit organization whose mission is to help people impacted by cancer enhance health and well-being through a professional program of emotional support, education and hope.