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(in-VES-tih-GAY-shuh-nul)
| In clinical trials, refers to a drug (including a new drug,
dose, combination, or route of administration) or procedure that has
undergone basic laboratory testing and received approval from the U.S. Food
and Drug Administration (FDA) to be tested in human subjects. A drug or
procedure may be approved by the FDA for use in one disease or condition,
but be considered investigational in other diseases or conditions. Also called
experimental. |
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