SPL Set ID: 3c2e188f-76aa-a022-e063-6294a90abfc9

Venlafaxine hydrochloride extended-release capsules, USP is an extended-release capsule for once-a-day oral administration that contains venlafaxine hydrochloride, a serotonin and norepinephrine reuptake inhibitor (SNRI). Venlafaxine is designated (R/S)-1-[2-(dimethylamino)-1-(4-methoxyphenyl)ethyl] cyclohexanol hydrochloride or (±)-1-[α-[(dimethylamino)methyl]-p-methoxybenzyl] cyclohexanol hydrochloride and has the empirical formula of C 17 H 27 NO 2 HCl. Its molecular weight is 313.86. The structural formula is shown as follows: Venlafaxine hydrochloride is a white to off-white crystalline solid, with a solubility of 572 mg/mL in water (adjusted to ionic strength of 0.2 M with sodium chloride). Its octanol: water (0.2 M sodium chloride) partition coefficient is 0.43. Drug release is controlled by diffusion through the coating membrane on the spheroids and is not pH-dependent. Capsules contain venlafaxine hydrochloride equivalent to 37.5 mg, 75 mg, or 150 mg venlafaxine. Inactive ingredients consist of sugar spheres, colloidal silicon dioxide, ethylcellulose, hypromellose, triethyl citrate, talc, polyethylene glycol, gelatin, sodium lauryl sulfate and titanium dioxide. In addition, the capsule of the 37.5 mg strength contains iron oxide yellow, iron oxide red and iron oxide black; the capsule of the 75 mg strength contains iron oxide yellow and iron oxide red; the capsule of the 150 mg strength contains D&C Yellow #10, FD&C Blue #1, and FD&C Red #40. The imprinting ink for all strengths’ capsules contains shellac, iron oxide black, propylene glycol, ammonia solution, and potassium hydroxide. Venlafaxine hydrochloride extended-release capsules, USP meets USP Dissolution Test 3. Image