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 Once funding was appropriated, the baton passed to NIH to issue grants, paired with studies intended to add scientific insights into these investigational therapies. —

Lynn Brielmaier, STAT, 5 July 2024 Additionally, an investigational new drug application must be in place for products to be distributed to people in clinical trials while in the development stage. —

Cnn.com, The Mercury News, 24 June 2024 Zealand Pharma’s anti-obesity drug shows promise Another investigational anti-obesity drug is showing promise in early stage trials. —

Meghana Keshavan, STAT, 21 June 2024 Each investigational vaccine has independentlydemonstrated positive Phase 3 clinical trial results. —

Sacramento Bee, 10 June 2024 See all Example Sentences for investigational

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'investigational.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 27 Jul. 2024.

Copy Citation