期刊
HEADACHE
卷 48, 期 8, 页码 1259-1268出版社
WILEY
DOI: 10.1111/j.1526-4610.2008.01214.x
关键词
calcitonin-gene related peptide; RAMP1; migraine; BIBN4096; olcegepant; MK-0974; telcagepant
Calcitonin gene-related peptide (CGRP) is linked to migraine, and other primary headache disorders. It is found ill every location described in migraine genesis and processing, including meninges, trigeminal ganglion, trigeminocervical complex, brainstem nuclei, and cortex. It is released in animal models following stimulation of the CNS similar to that seen in migraine, and triptans inhibit this release. Injection of CGRP into migraineurs results in delayed headache similar to migraine. Elevation of CGRP Occurs during migraine, resolving following migraine-specific treatment. Finally, and most importantly, CGRP receptor antagonists terminate migraine with efficacy, similar to triptans. Both intravenous olcegepant (BIBN 4096 BS),and oral telcagepant (MK-0974) have been effective, safe, and well tolerated in phase I and II studies. Telcagepant is Currently in phase Ill trials, and preliminary results are favorable. The potential for a migraine-specific medication without vasoconstrictive or vascular side effects is enormous. CGRP receptor blockade may also have applications in other pathologic and pain syndromes.
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