naltrexone

noun

nal·​trex·​one nal-ˈtrek-ˌsōn 

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

Examples of naltrexone in a Sentence

Recent Examples on the Web

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

For example, my work and others’ has found that people who both drink heavily and smoke cigarettes are more likely to benefit from naltrexone. —Joseph P. Schacht, The Conversation, 20 May 2024

These include methadone, buprenorphine (Suboxone™), and oral and injectable depot naltrexone (Vivitrol™). —Kyle J. Russell, USA TODAY, 7 May 2024

Word History

Etymology

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

First Known Use

1973, in the meaning defined above

Medical Definition

naltrexone

noun

nal·​trex·​one nal-ˈtrek-ˌsōn 

: 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