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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The team has built over 750 custom GPTs to assist with everything from clinical trial dosing to regulatory submissions. Emil Sayegh, Forbes.com, 8 May 2025 What makes Kennedy’s order especially cynical is that designing and implementing a clinical trial is an extraordinarily complex, costly and time-consuming process. Michael Hiltzik, Los Angeles Times, 8 May 2025 The retail pharmacy giant launched its clinical trial business in June 2022, helmed by Chief Biopharma Officer Ramita Tandon. Alexis Kayser, MSNBC Newsweek, 7 May 2025 The encouraging results have laid the groundwork for the next phase: double-blind, randomized clinical trials — the gold standard for proving treatment efficacy. Jenny Lehmann, Discover Magazine, 1 May 2025 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 19 May. 2025.

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

More from Merriam-Webster on clinical trial

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