Abstract

Background: Anti-calcitonin gene-related peptide monoclonal antibodies (CGRP mAbs) are clinically effective in preventing the migraine attacks, photophobia, and migraine auras associated with headaches. However, no study has yet investigated the effectiveness of CGRP mAbs in preventing migraine aura without headache. Case report: A female patient of 49 years old presented with a long history (since age 10) of photosensitivity and typical migraine auras without a headache. The symptoms slightly responded to oral medication, lomerizine chloride, but did not completely resolve. Just one day after the administration of galcanezumab, her photo-hypersensitivity and migraine aura had completely resolved. Consequently, the administration of the oral migraine preventive medication was discontinued. Monthly galcanezumab at a dose of 120 mg was continuously given and she did not re-experience any auras or headaches. Conclusions: The use of CGRP mAbs can be considered as a potential treatment in preventing migraine aura without headache. Currently, CGRP mAb is indicated only for migraines with and without auras. Given our findings and the promising effects of this medication for this migraine subtype, a large clinical trial is required to better assess the effects and potential adverse events of CGRP mAb in patients with migraine aura without headache.

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