naltrexone

noun

nal·​trex·​one nal-ˈtrek-ˌsōn How to pronounce naltrexone (audio)
: a synthetic opiate antagonist C20H23NO4 administered in the form of its hydrochloride

Examples of naltrexone in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Bupropion/naltrexone: This combination drug, sold under the brand name Contrave, affects the brain's hunger and reward centers to reduce cravings and overall food intake. Jay N. Yepuri, Verywell Health, 9 Sep. 2024 Interestingly, the effects of semaglutide on drinking were stronger than two older anti-addiction drugs that are also used for weight loss: naltrexone and topiramate. Lisa Rapaport, EverydayHealth.com, 17 June 2024 This might also explain why the study found semaglutide better at reducing the risk of alcohol use disorder than naltrexone or topiramate, Simmons adds. Lisa Rapaport, EverydayHealth.com, 17 June 2024 That included the diabetes medication metformin and naltrexone, which is approved for alcohol-use disorder. Madison Muller, Fortune, 20 May 2024 See all Example Sentences for naltrexone 

Word History

Etymology

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

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of naltrexone was in 1973

Dictionary Entries Near naltrexone

Cite this Entry

“Naltrexone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/naltrexone. Accessed 5 Nov. 2024.

Medical Definition

naltrexone

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

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