• Heike Israel, Lars Neeb, and Uwe Reuter.
• Charité Universitätsmedizin Berlin, Department of Neurology, Charité Headache Center, Charitéplatz 1, 10117, Berlin, Germany.
• Curr Pain Headache Rep. 2018 Apr 6; 22 (5): 38.

Purpose Of ReviewCGRP is a key neuropeptide in migraine pathophysiology. The blockade of the CGRP pathway at the side of the CGRP receptor of the CGRP peptide leads to the interruption of trigeminal nerve system-mediated headache syndromes such as migraine. Monoclonal antibodies (mAbs) targeting the CGRP pathway have been developed and are currently under investigation for episodic (EM) and chronic migraine (CM) prevention. Here, we report data from these clinical trials.Recent FindingsPlacebo-controlled, randomized double-blind phase studies of CGRP mAbs in episodic and chronic migraine have shown that the specific blockade of the peptide or the CGRP receptor are both powerful mechanisms to reduce migraine frequency. Along with the reduction of acute migraine-specific medication intake, early onset of efficacy of mAbs has been demonstrated. Most common adverse events are injection sider reactions. Depending on the mAb, the administration mode is a monthly or even less frequently s.c. or I.V. formulation. Phase II studies in EM and CM demonstrate that CGRP mAbs are effective anti-migraine preventatives with a beneficial adverse event profile. Further detailed results from larger phase III clinical trials are expected soon.

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