clinical trial

noun

: a scientifically controlled study of the safety and effectiveness of a therapeutic agent (such as a drug or vaccine) using consenting human subjects

Examples of clinical trial in a Sentence

Recent Examples on the Web
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There are not yet significant clinical trials for these peptides, but some doctors, patients, wellness influencers, and Kennedy have voiced support for opening up the market for these drugs. Alana Semuels, Time, 23 July 2026 Earlier this month, researchers began the first clinical trial of potential treatments for the Bundibugyo virus, enrolling patients at an Ebola treatment center in Ituri province. ABC News, 23 July 2026 Your healthcare provider can help determine whether a clinical trial is a good option for you. Julie Scott, Verywell Health, 23 July 2026 For example, say a clinical research organization analyst is trying to identify sites for a new clinical trial. Shekhar Iyer, Forbes.com, 22 July 2026 See All Example Sentences for clinical trial

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of clinical trial was in 1946

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Cite this Entry

“Clinical trial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clinical%20trial. Accessed 28 Jul. 2026.

Medical Definition

clinical trial

noun
: a scientifically controlled study of the safety and effectiveness of a therapeutic agent (as a drug or vaccine) using consenting human subjects

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