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Zubsolv

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Zubsolv

ZUBSOLV
(buprenorphine and naloxone) Sublingual Tablets

DRUG DESCRIPTION

ZUBSOLV (buprenorphine and naloxone) sublingual tablets are white menthol-flavored tablets in a triangular shape for the lower dosage strength (1.4 mg /0.36 mg) and a round shape for the higher dosage strength (5.7 mg/1.4 mg). They are debossed with the respective dosage strength of buprenorphine. They contain buprenorphine HCl, a mu-opioid receptor partial agonist and a kappa-opioid receptor antagonist, and naloxone HCl dihydrate, an opioid receptor antagonist, at a ratio of 4:1 (ratio of free bases). ZUBSOLV is intended for sublingual administration and is available in two dosage strengths, 1.4 mg buprenorphine with 0.36 mg naloxone and 5.7 mg buprenorphine with 1.4 mg naloxone. Each sublingual tablet also contains mannitol, citric acid, sodium citrate, microcrystalline cellulose, croscarmellose sodium, sucralose, menthol, silicon dioxide and sodium stearyl fumarate and menthol flavor.

Chemically, buprenorphine HCl is (2S)-2-[17-(cyclopropylmethyl)4,5α-epoxy-3-hydroxy-6-methoxy-6α,14-ethano-14α-morphinan-7α-yl]-3,3dimethylbutan-2-ol hydrochloride. It has the following chemical structure:

Buprenorphine HCl Structural Formula Illustration

Buprenorphine HCl has the molecular formula C29H41NO4 •HCl and the molecular weight is 504.10. It is a white or off-white crystalline powder, sparingly soluble in water, freely soluble in methanol, soluble in alcohol, and practically insoluble in cyclohexane.

Chemically, naloxone HCl dihydrate is 17-Allyl-4,5α-epoxy-3,14dihydroxymorphinan-6-one hydrochloride dihydrate. It has the following chemical structure:

Naloxone Hcl Structural Formula Illustration

Naloxone HCl dihydrate has the molecular formula C19H21NO4•HCl•2H20 and the molecular weight is 399.87. It is a white to slightly off-white powder and is freely soluble in water, soluble in alcohol, and practically insoluble in toluene and ether.

Last reviewed on RxList: 7/18/2013
This monograph has been modified to include the generic and brand name in many instances.

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