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COMPASS study design.
Note: Reproduced from Silberstein S, Winner PK, McAllister PJ, et al. Early onset of efficacy and consistency of response across multiple migraine attacks from the Randomized COMPASS Study: AVP-825 Breath Powered® Exhalation Delivery System (Sumatriptan Nasal Powder) vs Oral Sumatriptan. Headache. 2017;57(6):862–876. © 2017 American Headache Society.34
