a drug that blocks the action of opiates (drugs used to treat pain). it may be used in the treatment of intravenous opiate addiction or alcohol dependence. naltrexone is also being studied in the treatment of breast cancer. it may block the effects of the hormone estrogen, which causes some breast cancer cells to grow, or block the blood flow to tumors. it is a type of opiate antagonist. also called naltrexone hydrochloride, revia, and vivitrol.
出典:Wiktionary
出典:『Wiktionary』 (2025/09/02 15:47 UTC 版)
naltrexone (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/25 10:02 UTC 版)
Naltrexone is an opioid receptor antagonist used primarily in the management of alcohol dependence and opioid dependence. It is marketed in generic form as its hydrochloride salt, naltrexone hydrochloride, and marketed under the trade names Revia and Depade. In some countries including the United States, a once-monthly extended-release injectable formulation is marketed under the trade name Vivitrol. Also in the US, Methylnaltrexone Bromide, a closely related drug, is marketed as Relistor, for the treatment of opioid induced constipation.