naltrexone

noun
nal·​trex·​one | \ nal-ˈtrek-ˌsōn How to pronounce naltrexone (audio) \

Definition of naltrexone

: a synthetic opiate antagonist C20H23NO4 administered in the form of its hydrochloride

Examples of naltrexone in a Sentence

Recent Examples on the Web Wegovy adds to the armamentarium of pharmacologic therapies targeting weight loss, which in the past decade has expanded to include Saxenda (liraglutide), Contrave (bupropion/naltrexone), and Qysmia (phentermine/topiramate). Joshua Cohen, Forbes, 5 June 2021 Perhaps this is why naltrexone seems to be a favorite among some of America’s drug-court judges, who may view withdrawal as its own form of redemptive punishment. New York Times, 11 May 2021 In addition, the new study could not determine how the bupropion-naltrexone regimen might benefit people over terms longer than just six to 12 weeks. Benjamin Ryan, NBC News, 23 Feb. 2021 In addition, those who received bupropion and naltrexone reported fewer meth cravings and improvements in their quality of life. Benjamin Ryan, NBC News, 23 Feb. 2021 The two drugs used in the trial were injectable naltrexone and oral bupropion. Andrew Joseph, STAT, 13 Jan. 2021 One of the challenges of using naltrexone to treat opioid addiction is that, because of the way the medication works in the brain, people can’t have used opioids for several days before getting the injection. Andrew Joseph, STAT, 13 Jan. 2021 Otherwise, naltrexone can cause debilitating withdrawal symptoms. Andrew Joseph, STAT, 13 Jan. 2021 And a final group received both naltrexone and rimonabant—and these subjects saw no boost at all. Alex Hutchinson, Outside Online, 9 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'naltrexone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of naltrexone

1973, in the meaning defined above

History and Etymology for naltrexone

N-allyl + trex- (as in methotrexate) + -one

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Time Traveler for naltrexone

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The first known use of naltrexone was in 1973

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Dictionary Entries Near naltrexone

naloxone

naltrexone

Nalubaale Dam

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Cite this Entry

“Naltrexone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/naltrexone. Accessed 21 Oct. 2021.

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More Definitions for naltrexone

naltrexone

noun
nal·​trex·​one | \ nal-ˈtrek-ˌsōn How to pronounce naltrexone (audio) \

Medical Definition of naltrexone

: a synthetic opiate antagonist administered especially in the form of its hydrochloride C20H23NO4·HCl to maintain a drug-free state in detoxified opiate-dependent patients or to maintain abstinence in alcohol-dependent patients

More from Merriam-Webster on naltrexone

Britannica.com: Encyclopedia article about naltrexone

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