Milestone Pharmaceuticals Inc.

Francis Plat

Douglas Wight

The present invention is related to methods of treating cardiac arrhythmia, angina, or a migraine in a patient in need thereof, with a therapeutically effective amount of a compound having a structure according to the formula: the method comprising nasally administering to the patient (i) a first dose, and (ii) a second dose of an aqueous composition comprising a pharmaceutically acceptable acetate or methanesulfonate salt of compound I, or a racemate or enantiomer thereof, wherein the acetate or methanesulfonate salt of compound I, or the racemate or enantiomer thereof, is dissolved in the aqueous composition at a concentration of 350 mg/mL±50 mg/mL, and wherein the second dose of the compound is administered between 5 minutes and 25 minutes after the first dose.

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Saint-Laurent, Canada

Francis Plat