Active Ingredient History

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Naltrexone is marketed as its hydrochloride salt, naltrexone hydrochloride, under the trade names Revia and Depade. A once-monthly extended-release injectable formulation is marketed under the trade name Vivitrol. VIVITROL is indicated for the treatment of alcohol dependence in patients who are able to abstain from alcohol in an outpatient setting prior to initiation of treatment with VIVITROL. VIVITROL is indicated for the prevention of relapse to opioid dependence, following opioid detoxification. Naltrexone is a pure opiate antagonist and has little or no agonist activity. The mechanism of action of naltrexone in alcoholism is not understood; however, involvement of the endogenous opioid system is suggested by preclinical data. Naltrexone is thought to act as a competitive antagonist at mc, κ, and δ receptors in the CNS, with the highest affinity for the μ receptor. Naltrexone competitively binds to such receptors and may block the effects of endogenous opioids. This leads to the antagonization of most of the subjective and objective effects of opiates, including respiratory depression, miosis, euphoria, and drug craving. The major metabolite of naltrexone, 6-β-naltrexol, is also an opiate antagonist and may contribute to the antagonistic activity of the drug. Low dose naltrexone is an “off label” use of naltrexone. Normal naltrexone usage to break addictions is 50mg – 100mg. Usage of low dose naltrexone ranges in the area of 3 mg – 4.5 mg dosing and is prescribed in an oral pill form and is quite inexpensive. For people with multiple sclerosis, the dosage of LDN ranges from 1.5 to 4.5 ml per day.   NCATS

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Drug Pricing (per unit)

United States

$0.7063 - $2.2330
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Note: This drug pricing data is preliminary, incomplete, and may contain errors.

Combination drugs

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17-(cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxymorphinan-6-one | 17-(cyclopropylmethyl)-4,5α-epoxy-3,14-dihydroxymorphinan-6-one | 4-amino-10-methylfolic acid | 4-amino-n(10)-methylpteroylglutamic acid | abitrexate | adepend | amethopterin | amethopterine | bupropion hydrochloride / naltrexone hydrochloride | celupan | cl-14377 | cyclopropylmethylnoroxymorphone | depade | ebetrex | emtexate high-pot | emtexate pf | en-1639a | en-1639a [as hydrochloride] | folex | folex pfs | l-amethopterin | ledertrexate | maxtrex | merphos | metatrexan | methotrexat | methotrexate | méthotrexate | methotrexate lpf | methotrexate sodium | methotrexatum | methoxtrexate | methrexate | methylaminopterin | metoject | metotrexato | mexate | mexate-aq | mexate-aq preserved | mtx | n-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-l-glutamic acid | nalorex | naltrel | naltrexon | naltrexona | naltrexone | naltrexone hcl | naltrexone-hcl | naltrexone hydrochloride | naltrexone hydrochloride dihydrate | naltrexonum | natrexone | n-cyclopropylmethyl-14-hydroxydihydromorphinone | n-cyclopropylmethylnoroxymorphone | opizone | phosphorotrithious acid, tributyl ester | revia | rheumatrex | s,s,s-tributyl phosphorotrithioite | tcmdc-123832 | tcmdc-125488 | tcmdc-125858 | trexal | trexall | trexan | vivitrol | zlatal

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