An injectable biological therapy administered monthly to prevent migraine headaches.
EMGALITY ® is a calcitonin-gene related peptide antagonist indicated in adults for the: preventive treatment of migraine. ( 1.1 ) treatment of episodic cluster headache. ( 1.2 ) 1.1 Migraine EMGALITY is indicated for the preventive treatment of migraine in adults. 1.2 Episodic Cluster Headache EMGALITY is indicated for the treatment of episodic cluster headache in adults.
12.1 Mechanism of Action Galcanezumab-gnlm is a humanized monoclonal antibody that binds to calcitonin gene-related peptide (CGRP) ligand and blocks its binding to the receptor.
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Plain-English summaries and drug-class explainers are written and reviewed by the Priya Life Science editorial team, led by Sreepriya Prasannan (MSc Digital Transformation of Life Sciences (Innopharma Education / Griffith College); MSc & BSc Botany). Data is retrieved automatically from the sources above and cross-checked with AI-assisted verification (Anthropic's Claude) — brand and generic names are matched against the exact FDA product record so that a combination product or a different formulation cannot be mistaken for the drug on this page. An editor reviews the result before publication. We describe this in full in our editorial standards and corrections policy. The FDA data on this page was last retrieved on 6 Aug 2026.