ERGOTAMINE

[A naturally occurring ergot alkaloid with vasoconstrictor and analgesic property. Ergotamine selectively binds and activates serotonin (5-HT) 1D receptors located on intracranial blood vessels, including those on arterio-venous anastomoses, thereby resulting in vasoconstriction and reducing the blood flow in cerebral arteries that may lead to relieve of vascular headaches. This agent also selectively binds to alpha-adrenergic receptors, thereby stimulating vascular smooth muscle and causing vasoconstriction in both arteries and veins, which also contributes to the relief of headaches. Furthermore, the activation of 5-HT1D receptors on sensory nerve endings of the trigeminal system results in the inhibition of pro-inflammatory neuropeptide release. ( NCI )]

UMLS (NCI) C0014710

Organic Chemical
Pharmacologic Substance

Relation/PAR: ergoline
[CN105] ANTIMIGRAINE AGENTS

Relation/CHD: Ergotaman-3',6',18-trione, 12'-hydroxy-2'-methyl-5'-(phenylmethyl)-,(5'alpha)-,(2R,3R)-2,3-dihydroxybutanedioate(2:1)(salt)
Ergotamine Derivatives
Ergotaman-3',6',18-trione, 12'-hydroxy-2'-methyl-5'-(phenylmethyl)-,(5'alpha)-,(2R,3R)-2,3-dihydroxybutanedioate(2:1)(salt)

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