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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Further randomized clinical trials are needed to evaluate these preliminary findings and to determine the specific ways in which GLP-1s control cancer progression. Melissa Rudy, FOXNews.com, 26 May 2026 The second area where Perceptic is focusing is helping pharma companies choose which indications to pursue in clinical trials, a decision that Flock said can swing the fate of investments worth millions of dollars. Jeremy Kahn, Fortune, 26 May 2026 The athletes were doping under the close supervision of a team of doctors, as part of a clinical trial conducted this past spring in Abu Dhabi. Ellen Cushing, The Atlantic, 25 May 2026 What the 4-7-8 Breathing Method Can’t Do Direct clinical trials built specifically around 4-7-8 breathing and sleep onset are still limited. Allison Palmer, Miami Herald, 23 May 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 May. 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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