Norvasc in treatment of hypertension
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Buy Norvasc Online, because Norvasc is a medical preparation which is manufactured by Pfizer and contains the active ingredient Amlodipine besylate.
The preparation belongs to a group of drugs called calcium channel blockers, the preparation works by binding to dihydropiridinic receptors, blocking calcium channels, in the cells of the smooth muscles.
The maximum concentration of Norvasc in blood is reached within 6-12 hours, plasma protein binding – 97-98%.
Nevertheless, the move paid off, as Pfizer’s formulation scientists were able to produce large commercial batches of Norvasc besylate tablets by direct compression on high-speed tablet presses without disruption, unlike their attempts to do so with the maleate salt of Norvasc.
Norvasc besylate however is used not just in Norvasc, but also in Caduet (Norvasc besylate/atorvastatin calcium), a multi-target single pill combining Norvasc and Lipitor, used for treatment of elevated cholesterol levels in the blood. In January 2006, Pfizer’s Norvasc API patent was held valid and infringed by Canadian company Apotex in a decision by the Northern District Court of Illinois.
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