clinical trial


Definition of clinical trial

: 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 their Phase 1/2 clinical trial, the team tested the vaccine in 14 people with B-cell deficiencies, 12 of whom had leukemia or lymphoma. Angus Chen, STAT, 14 Apr. 2022 In this two-hour throwback Thursday edition of Grey’s, Meredith and Derek have one last shot at a successful outcome in their clinical trial as the other surgeons work together to free a boy from a hardening block of cement. Jessica Radloff, Glamour, 10 Apr. 2022 With that donation, and a matching donation from Go4theGoal Foundation, Slotkin began her clinical trial in March. Drew Dawson, Milwaukee Journal Sentinel, 31 Mar. 2022 Moderna is also expected to release data soon from its clinical trial on the next age group up: children aged 6 to 11. New York Times, 14 Mar. 2022 As his clinical trial begins, Devon treats his first patient with a revolutionary medical fluid that doesn’t go as planned. Rodney Ho, ajc, 7 Mar. 2022 The city government and private donors stepped forward to cover the cost of their first clinical trial. Richard Conniff, Smithsonian Magazine, 24 Feb. 2022 Their clinical trial for cancer patients began in 2009, starting with a cohort of 35 participants in Seattle and at Yale, where Shlomchik worked at the time. Max G. Levy, Wired, 10 Feb. 2022 Moderna is enrolling two groups in its clinical trial: People who received two doses of its vaccine at least six months ago, and people who received two doses plus a booster shot at least three months ago. NBC News, 27 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clinical trial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of clinical trial

1946, in the meaning defined above

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Time Traveler for clinical trial

Time Traveler

The first known use of clinical trial was in 1946

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Last Updated

17 May 2022

Cite this Entry

“Clinical trial.” Dictionary, Merriam-Webster, Accessed 21 May. 2022.

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More Definitions for clinical trial

clinical trial


Medical Definition of clinical trial

: 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 Encyclopedia article about clinical trial


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