Source: FDA, National Drug Code (US) Revision Year: 2020
TOPROL-XL, metoprolol succinate, is a beta1-selective (cardioselective) adrenoceptor blocking agent, for oral administration, available as extended-release tablets. TOPROL-XL has been formulated to provide a controlled and predictable release of metoprolol for once-daily administration. The tablets comprise a multiple unit system containing metoprolol succinate in a multitude of controlled release pellets. Each pellet acts as a separate drug delivery unit and is designed to deliver metoprolol continuously over the dosage interval. The tablets contain 23.75, 47.5, 95 and 190 mg of metoprolol succinate equivalent to 25, 50, 100 and 200 mg of metoprolol tartrate, USP, respectively. Its chemical name is (±)1- (isopropylamino)3[p-(2-methoxyethyl) phenoxy]-2-propanol succinate (2:1) (salt). Its structural formula is:
Metoprolol succinate is a white crystalline powder with a molecular weight of 652.8. It is freely soluble in water; soluble in methanol; sparingly soluble in ethanol; slightly soluble in dichloromethane and 2-propanol; practically insoluble in ethyl-acetate, acetone, diethylether and heptane. Inactive ingredients: silicon dioxide, cellulose compounds, sodium stearyl fumarate, polyethylene glycol, titanium dioxide, paraffin.
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25 mg tablets: White, oval, biconvex, film-coated scored tablet engraved with “A/β”. 50 mg tablets: White, round, biconvex, film-coated scored tablet engraved with “A/mo”. 100 mg tablets: White, round, biconvex, film-coated scored tablet engraved with “A/ms”. 200 mg tablets: White, oval, biconvex, film-coated scored tablet engraved with “A/my”. |
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Tablets containing metoprolol succinate equivalent to the indicated weight of metoprolol tartrate, USP, are white, biconvex, film-coated, and scored.
Manufactured for: Aralez Pharmaceuticals US Inc., 300 Interpace Parkway, Building C3, Parsippany NJ 07054 |
| Drug | Countries | |
|---|---|---|
| TOPROL XL | Australia, United States |
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