Headache & Pain
Headache associated with acute substance use or exposure
Feb. 19, 2024
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Triptans, selective serotonin receptor (5-HT) agonists, are used in the treatment of acute migraine attacks as well as nonmigraine headaches. Pharmacology of triptans is described with comparison of seven approved triptans: almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, and zolmitriptan. Clinical trials of triptans and personalized treatment of migraine with triptans are also described.
• Triptans are selective serotonin receptor agonists used in the treatment of acute migraine attacks.
• The beneficial effect of triptans in migraine is related to their multiple mechanisms of action at sites implicated in the pathophysiology of migraine, eg, vasoconstriction.
• Several triptans with different methods of delivery are available.
• It may be possible to match individual patient needs with the specific characteristics of the individual triptans to optimize therapeutic benefit.
Triptans, belonging to a family of tryptamine-based drug, are selective serotonin receptor (5-HT) agonists used in the treatment of acute migraine attacks and cluster headaches. Basis for the discovery of triptans was laid in 1960s by observations that vasoconstriction produced by 5-HT, ergotamine, and noradrenaline reduced migraine attacks. Platelet 5-HT levels were found to be reduced during migraine. As 5-HT itself could not be researched, efforts were focused on the receptors of 5-HT to discover and develop a more specific agonist for 5-HT receptors. This led to discovery of several types and subtypes of 5-HT. Several compounds were tested and discarded because of low bioavailability. Continued research led to the discovery of the first triptan drug, sumatriptan, which had both vasoconstriction effect as well as better oral bioavailability. Sumatriptan was first launched in Europe in 1991 and became available 1993 in the United States. Several other triptans have been developed since then. Marketed triptans for migraine are:
Sumatriptan/naproxen, combination of a triptan with a long-acting nonsteroidal antiinflammatory drug, is approved for acute treatment and sustained relief of migraine.
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