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ZAVZPRET™ Description ([zavegepant] nasal spray)


ZAVZPRET (zavegepant) nasal spray contains zavegepant hydrochloride, a calcitonin gene-related peptide receptor antagonist. Zavegepant hydrochloride is described chemically as (R)-N-(3-(7-methyl-1H-indazol-5-yl)-1-(4-(1-methylpiperidin-4-yl) piperazin-1-yl)-1-oxopropan-2-yl)-4-(2-oxo-1,2-dihydroquinolin-3-yl) piperidine-1-carboxamide hydrochloride and its structural formula is:

Chemical Structure

Its molecular formula is C36H46N8O3․HCl, representing a molecular weight of 675.28 g/mol. Zavegepant free base has a molecular weight of 638.82 g/mol. Zavegepant hydrochloride is a white to off-white powder, freely soluble in water, and has pKa values of 4.8 and 8.8.

Each unit-dose ZAVZPRET device for nasal administration delivers 10 mg of zavegepant (equivalent to 10.6 mg of zavegepant hydrochloride) in a buffered aqueous solution containing dextrose, hydrochloric acid, sodium hydroxide, and succinic acid in water for injection. The solution has a pH of 5.3 to 6.7.

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