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investigational

American  
[in-ves-ti-gay-shuhn-uhl] / ɪnˌvɛs tɪˈgeɪ ʃən əl /

adjective

  1. relating to, engaged in, or involving investigation, or any process of thorough examination, research, inquiry, etc.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An investigational drug developed by Eli Lilly delivered clinically meaningful weight loss in a trial, the company said as it looks expand its obesity treatment portfolio amid soaring demand.

From The Wall Street Journal • May 26, 2026

Eli Lilly’s investigational drug, retatrutide, led to significant weight loss, with participants losing up to 70.3 pounds.

From Barron's • May 21, 2026

An investigational drug developed by Eli Lilly LLY -0.25%decrease; red down pointing triangle delivered clinically meaningful weight loss in a trial, the company said as it looks expand its obesity treatment portfolio amid soaring demand.

From The Wall Street Journal • May 21, 2026

Zilebesiran is an investigational drug that uses RNA interference technology to reduce blood pressure.

From Science Daily • Apr. 13, 2026

There might be some man who would be good enough to bequeath some funds to the Association for investigational work.

From Northern Nut Growers Association Report of the Proceedings at the Eleventh Annual Meeting Washington, D. C. October 7 and 8, 1920 by Northern Nut Growers Association

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