期刊
PHARMACOLOGY & THERAPEUTICS
卷 124, 期 3, 页码 309-323出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pharmthera.2009.09.003
关键词
Antimigraine drug; CGRP; CGRP receptor antagonists; Drug development; Headache; Migraine; Olcegepant; Telcagepant
资金
- CONACyT (Mexico)
Migraine is a highly prevalent neurovascular disorder that can be provoked by infusion of calcitonin gene-related peptide (CGRP). CGRP, a neuropeptide released from activated trigeminal sensory nerves, dilates intracranial and extracranial blood vessels and centrally modulates vascular nociception. On this basis, it has been proposed that: (i) CGRP may play an important role in the pathophysiology of migraine; and (ii) blockade of CGRP receptors may abort migraine. With the advent of potent and selective CGRP receptor antagonists, the importance of CGRP in the pathophysiology of migraine and the therapeutic principle of CGRP receptor antagonism were clearly established. Indeed, both olcegepant (BIBN4096BS, given intravenously) and telcagepant (MK-0974, given orally) have been shown to be safe, well tolerated and effective acute antimigraine agents in phase I, phase II, and for telcagepant phase III, studies. However, recent data reported elevated liver transaminases when telcagepant was dosed twice daily for three months for the prevention of migraine rather than acutely. The potential for a specific acute antimigraine drug, without producing vasoconstriction or vascular side effects and with an efficacy comparable to triptans, is enormous. The present review will discuss the role of CGRP in the pathophysiology of migraine and the various treatment modalities that are currently available to target this neuropeptide. (C) 2009 Elsevier Inc. All rights reserved.
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