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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
The next milestone in this new medical frontier is for the agency to approve human clinical trials.
—Morgan Norwood, ABC News, 20 Dec. 2024
Earlier this month, Novo faced another setback when a head-to-head clinical trial showed Eli Lilly’s Zepbound resulted in superior weight loss compared with Wegovy.
—Karen Gilchrist, CNBC, 20 Dec. 2024
Sandra Lindsay, a critical care nurse at Long Island Jewish Medical Center in New York, became the first American not involved in a clinical trial to receive a COVID-19 vaccine after the Pfizer-BioNTech shot was approved for use.
—The Arizona Republic, 14 Dec. 2024
The company continues to address a clinical hold imposed by the FDA on its Investigational New Drug Application for a planned clinical trial in locally advanced pancreatic cancer.
—Quartz Bot, Quartz, 13 Dec. 2024
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Word History
First Known Use
1946, in the meaning defined above
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 4 Jan. 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
Britannica.com: Encyclopedia article about clinical trial
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