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1 INDICATIONS AND USAGE
EMBEDA is an extended-release oral formulation of morphine sulfate and naltrexone hydrochloride indicated for the management of moderate to severe pain when a continuous, around-the-clock opioid analgesic is needed for an extended period of time.
EMBEDA is NOT intended for use as a prn analgesic.
EMBEDA is not indicated for acute/postoperative pain or if the pain is mild or not expected to persist for an extended period of time. EMBEDA is only indicated for postoperative use if the patient is already receiving chronic opioid therapy prior to surgery or if the postoperative pain is expected to be moderate to severe and persist for an extended period of time. Physicians should individualize treatment, moving from parenteral to oral analgesics as appropriate
There is currently no drug history available for this drug.
EMBEDA Capsules contain pellets of morphine sulfate and naltrexone hydrochloride at a ratio of 100:4. Morphine sulfate is an agonist and naltrexone hydrochloride is an antagonist at the mu-opioid receptor.
The chemical name of morphine sulfate is 7,8-didehydro-4,5 α-epoxy-17-methyl-morphinan-3,6 α-diol sulfate (2:1) (salt) pentahydrate. The empirical formula is (C17H19NO3)2●H2SO4●5H2O and its molecular weight is 758.85.
Morphine sulfate is an odorless, white, crystalline powder with a bitter taste. It has a solubility of 1 in 21 parts of water and 1 in 1000 parts of alcohol, but is practically insoluble in chloroform or ether. The octanol: water partition coefficient of morphine is 1.42 at physiologic pH and the pKb is 7.9 for the tertiary nitrogen (mostly ionized at pH 7.4). Its structural formula is:
STRUCTURE IMAGE 1
The chemical name of naltrexone hydrochloride is (5α)-17-(Cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxymorphinan-6-one hydrochloride. The empirical formula is C20H23NO4•HCl and its molecular weight is 377.46.
Naltrexone hydrochloride is a white to slightly off-white powder that is soluble in water. Its structural formula is
STRUCTURE IMAGE 2
Each capsule contains the following inactive ingredients common to all strengths: talc, ammonio methacrylate copolymer, sugar spheres, ethylcellulose, sodium chloride, polyethylene glycol, hydroxypropyl cellulose, dibutyl sebacate, methacrylic acid copolymer, diethyl phthalate, magnesium stearate, sodium lauryl sulfate, and ascorbic acid. The capsule shells contain gelatin, titanium dioxide, and grey ink, D and C yellow #10 (EMBEDA 20 mg/0.8 mg), FD and C red #3, FD and C blue #1 (EMBEDA 30 mg/1.2 mg), D and C red #28, FD and C red #40, FD and C blue #1 (EMBEDA 50 mg/2 mg), D and C red #28, FD and C red #40, FD and C blue #1 (EMBEDA 60 mg/2.4 mg), FD and C blue #1, FD and C red #40, FD and C yellow #6 (EMBEDA 80 mg/3.2 mg), D and C yellow #10, FD and C blue #1 (EMBEDA 100 mg/4 mg).
EMBEDA contains no gluten.