VIIBRYD Tablets for oral administration contain polymorph Form IV vilazodone hydrochloride (HC1), a selective serotonin reuptake inhibitor and a 5HT1A receptor partial agonist.

Vilazodone HC1 is 2-benzofurancarboxamide, 5-[4-[4-(5-cyano-lH-indol-3-yl)butyl]-l-piperazinyl]-, hydrochloride (1:1). Its molecular weight is 477.99. The structural formula is:

VIIBRYD (vilazodone HCl) Structural Formula Illustration

In addition to the active ingredient, VIIBRYD Tablets contain lactose monohydrate, microcrystalline cellulose, magnesium stearate, colloidal silicon dioxide, polyvinyl alcohol, titanium dioxide, polyethylene glycol, talc, FD&C Blue #1 (40 mg only), FD&C Yellow #6 (20 mg only) and FD&C Red #40 (10 mg only).

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