investigational

adjective

in·ves·ti·ga·tion·al in-ˌve-stə-ˈgā-sh(ə-)nəl

: of or relating to investigation

investigational activities

: relating to or being a drug or medical procedure that is not approved for general use but is under investigation in clinical trials regarding its safety and efficacy

an investigational new drug

Examples of investigational in a Sentence

Recent Examples on the Web

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The pharmaceutical firm Vertex presented positive Phase 3 data last month highlighting the investigational, oral non-opioid pain medicine suzetrigine’s potential as a first-in-class treatment at the American Society of Anesthesiologists Annual Meeting. —

Joshua P. Cohen, Forbes, 3 Nov. 2024 His subject: the Reykjavik police department’s investigational procedures related to the 1983 murder of an elderly nurse in Iceland’s isolated north. —

Paula L. Woods, Los Angeles Times, 18 Sep. 2024 The Sabin Vaccine Institute is providing an investigational vaccine to Rwanda for testing among healthcare workers at risk. —

Mark Kortepeter, Forbes, 7 Oct. 2024 The Food and Drug Administration cleared the investigational new drug application for a phase 1/2 clinical trial of an experimental drug candidate known as REC-1245. —

Christina Cheddar Berk, CNBC, 2 Oct. 2024 See all Example Sentences for investigational

Word History

First Known Use

1905, in the meaning defined at sense 1

Time Traveler

The first known use of investigational was in 1905

See more words from the same year

Cite this Entry

Style

“Investigational.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/investigational. Accessed 22 Dec. 2024.

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