| investigation | The act of investigating; the process of inquiring into or following up; research; study; inquiry, especially. Patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist. Origin: L. Investigatio: cf. F. Investigation. Source: Websters Dictionary (01 Mar 1998) |
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| investigational new drug | Status given an experimental drug after the FDA approves an application for testing it in people. (09 Oct 1997) |
| investigational new drug application | An application that must be submitted to a regulatory agency (the FDA in the united states) before a drug can be studied in humans. This application includes results of previous experiments; how, where, and by whom the new studies will be conducted; the chemical structure of the compound; how it is thought to work in the body; any toxic effects found in animal studies; and how the compound is manufactured. (12 Dec 1998) |