• Michael J M Fischer.
• Department of Pharmacology, University of Cambridge, Cambridge, UK. mjmf2@cam.ac.uk
• Expert Opin Investig Drugs. 2010 Jul 1; 19 (7): 815-23.

Importance Of The FieldMigraine is a highly prevalent disabling condition, and the current treatment options are not satisfactory. The role of calcitonin gene-related peptide (CGRP) in migraine pathophysiology is well established. CGRP receptor antagonists address this new target and have the potential to improve therapy for both responders and non-responders to previous options.Areas Covered In This ReviewThis review describes CGRP, its receptors and their role in the pathophysiology of migraine. CGRP receptor antagonists are a recent development; all reported antagonists are reported in chronological order. The experimental evidence, as well as all clinical trials since the first proof-of-concept study in 2004, is discussed.What The Reader Will GainAn overview of the CGRP system and why it provides an attractive drug target for headache. The main focus is on the currently presented CGRP receptor antagonists and clinical evidence for this new therapeutic option.Take Home MessageCGRP receptor antagonists will provide an additional and valuable therapeutic option for the treatment of headaches.

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