References: 1. Impel NeuroPharma announces U.S. Food & Drug administration acceptance of new drug application for INP104 for the acute treatment of migraine [press release]. Impel Pharmaceuticals; January 20, 2021. https://impelnp.com/2021/01/20/impel-neuropharma-announces-u-s-food-drug-administration-acceptance-of-new-drug-application-for-inp104-for-the-acute-treatment-of-migraine/. Accessed September 10, 2021. 2. Randle L, Aurora SK, Hocevar-Trnka J, et al. Reduced nausea when dihydroergotamine mesylate is delivered by INP104. Poster presented at: American Headache Society Virtual Annual Scientific Meeting, June 3-6, 2021. 3. Craig K, Jeleva M, Hocevar-Trnka J. Cardiovascular safety results of INP104 (POD-DHE) from the STOP 301 phase 3 study. Poster presented at: American Headache Society Virtual Annual Scientific Meeting, June 3-6, 2021. 4. Trudhesa. Prescribing information. Impel Pharmaceuticals; 2021. 5. Smith TR, Winner P, Aurora SK, Jeleva M, Hocevar-Trnka J, Shrewsbury SB. STOP 301: a phase 3, open-label study of safety, tolerability, and exploratory efficacy of INP104, Precision Olfactory Delivery (POD®) of dihydroergotamine mesylate, over 24/52 weeks in acute treatment of migraine attacks in adult patients. Headache. 2021;61(8):1214-1226.