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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
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.
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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.
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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.
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Lisa M. Krieger, The Mercury News, 29 Jan. 2025
The company acknowledges its dependence on positive clinical trial outcomes and regulatory approvals.
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Quartz Intelligence Newsroom, Quartz, 28 Jan. 2025
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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 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
Britannica.com: Encyclopedia article about clinical trial
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