investigative new drug: Meaning and Definition of

inves'tigative new' drug'

Pronunciation: [key]
? Pharm. Pharm.
  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. Abbr.: IND
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.