英语词汇“naltrexone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	naltrexone
释义	naltrexone, n. Pharm.\|nælˈtrɛksəʊn\| [f. as naloxone n. with arbitrary element -tre-.] A narcotic antagonist, C₂₀H₂₃NO₄ , related to nalorphine and naloxone but usually given orally as the hydrochloride. 1973Arch. Gen. Psychiatry XXVIII. 785/2 Naltrexone is approximately 17 times more potent than nalorphine in precipitating abstinence in patients dependent on 60 mg of morphine a day.1978Nature 9 Mar. 167/1 This treatment is designed to diminish the efficacy of any self-administered opiate by ‘blockading’ the receptors with substances such as naloxone or naltrexone.1988New Scientist 9 June 83/3 A similar bait has been advocated in order to ‘persuade’ heroin addicts to submit to a course of naltrexone, or to encourage criminal alcoholics to take the very nasty Antabuse.
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