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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For decades, companies have lamented Europe’s fragmented capital markets, single-market adoption on pricing and clinical trials, and uneven reimbursement policies. Elsa Ohlen, CNBC, 11 Apr. 2026 The film shows Dane's desire for the reauthorization of the ACT for ALS, a 2021 law which grants funding to scientific research and expands access to investigational ALS treatments for people who are not otherwise eligible for clinical trials. Anthony Robledo, USA Today, 10 Apr. 2026 Using artificial intelligence to scan more than 400,000 Reddit posts, researchers from the University of Pennsylvania documented numerous reports of possible GLP-1 side effects that may be underrecognized in clinical trials — including menstrual changes, fatigue, and temperature sensitivities. Emily Kay Votruba, EverydayHealth.com, 10 Apr. 2026 Since leaving the Senate, Sasse has worked as the president of the University of Florida, but the clinical trials took him and his wife to New York City, then to Houston. Rachel Raposas, PEOPLE, 10 Apr. 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 13 Apr. 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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