Abstract
ABSTRACTIntroduction: Migraine is a common, disabling disorder, and many patients remain dissatisfied with existing treatments. AVP-825 (ONZETRA® Xsail®) is a Breath Powered® exhalation delivery system for low-dose sumatriptan nasal powder (22 mg) that has been recently approved for use in the treatment of acute migraine with or without aura in adults. AVP-825 takes advantage of unique features of nasal anatomy and physiology to avoid limitations typically seen with other types of intranasal medication delivery.Areas covered: This review provides a summary of the pharmacology, clinical efficacy and tolerability of AVP-825 in clinical studies to date and also provides an overview of the unique aspects of the delivery system.Expert commentary: AVP-825 represents an improvement in nasal delivery of sumatriptan for migraine. PK studies indicate a distinct advantage of AVP-825 over traditional liquid nasal sprays in terms of absorption time, which may underlie the early efficacy observed with AVP-825. It offers the benefits of non-oral medications at a comparatively low sumatriptan dose, without the limitations associated with more invasive approaches. AVP-825 is suitable for use across multiple phases of a migraine attack from use as an early intervention to use in a more advanced migraine with nausea, given the non-oral application.
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