Migraine and Calcitonin Gene-Related Peptide
CGRP Under the Magnifying Glass There is now widespread agreement that vasodilation is neither necessary nor of a magnitude to be responsible for migraine pain; migraine is a complex neuronal disorder with vascular epiphenomenon.1 Interest in calcitonin gene-related peptide (CGRP) comes from research which suggests that CGRP could play an important role of migraine pathophysiology.