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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In 2022, Byrne and colleagues, including two of us, found that suspect genetics research, despite not immediately affecting patient care, informs scientists’ work, including clinical trials. Ars Technica, 31 Jan. 2025 Now, an international clinical trial has found three new safe and effective drug regimens to treat antibiotic-resistant strains of TB. Laura Baisas, Popular Science, 29 Jan. 2025 The discovery of life-saving antibiotics, the development of protective vaccines, curative cancer treatments – all were proven by clinical trials. Lisa M. Krieger, The Mercury News, 29 Jan. 2025 The company acknowledges its dependence on positive clinical trial outcomes and regulatory approvals. Quartz Intelligence Newsroom, Quartz, 28 Jan. 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

Dictionary Entries Near clinical trial

Cite this Entry

“Clinical trial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clinical%20trial. Accessed 8 Feb. 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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