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investigative new drug

American  

noun

Pharmacology.

  1. a regulatory classification assigned by the U.S. Food and Drug Administration to an unproven drug, allowing its use in approved studies with human patients. IND

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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