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Calcium channel blockers (CCB), calcium channel antagonists or calcium antagonists [2] are a group of medications that disrupt the movement of calcium (Ca 2+) through calcium channels. [3] Calcium channel blockers are used as antihypertensive drugs, i.e., as medications to decrease blood pressure in patients with hypertension.
Pages in category "Calcium channel blockers" The following 100 pages are in this category, out of 100 total. This list may not reflect recent changes. ...
ATC code C08 Calcium channel blockers is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products. [1] [2] [3] Subgroup C08 is part of the anatomical group C Cardiovascular system ...
N-type calcium channels are categorized as high threshold-activated channels and seen in the Cav2 gene family. The structure of the N-type calcium channel is very similar to other voltage-dependent channels. The most important part of the channel is the actual pore that is formed by the α1B subunit.
Current UK guidelines suggest starting patients over the age of 55 years and all those of African/Afrocaribbean ethnicity firstly on calcium channel blockers or thiazide diuretics, whilst younger patients of other ethnic groups should be started on ACEis. Subsequently, if dual therapy is required to use an ACEi in combination with either a ...
Compared with certain other L-type calcium channel blockers (for example those of the phenylalkylamine class such as verapamil) that have significant action at the heart, the dihydropyridine calcium channel blockers lower blood pressure mainly by relaxing the smooth muscle of the blood vessel walls. [3]
Antihypertensive agents are classified according to their mechanism of actions. The most common classes prescribed are diuretics, angiotensin-converting enzyme inhibitors (ACEIs), angiotensin II receptor blockers (ARBs), calcium channel blockers (CCBs) and beta-blockers. Antihyperlipidemic agents most often prescribed are statins, ezetimibe and ...
Amlodipine is a long-acting calcium channel antagonist that selectively inhibits calcium ion influx across cell membranes. [42] It targets L-type calcium channels in muscle cells and N-type calcium channels in the central nervous system which are involved in nociceptive signalling and pain perception.