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 US 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.

English dictionary of cancer terms . 2015.

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  • investigational — adjective Date: 1905 1. of or relating to investigation < investigational activities > 2. relating to or being a drug or medical procedure that is not approved for general use but is under investigation in clinical trials regarding its safety and …   New Collegiate Dictionary

  • investigational — adjective a) Of, or relating to investigating, or to an investigation. An expanded access protocol allows patients to benefit from an investigational drug prior to FDA approval. b) of, or relating to an unapproved drug or chemical entity being… …   Wiktionary

  • Investigational new drug — The United States Food and Drug Administration s investigational new drug (IND) program is the means by which a pharmaceutical company obtains permission to ship an experimental drug across state lines (usually to clinical investigators) before a …   Wikipedia

  • Investigational Device Exemption — An Investigational Device Exemption (IDE) allows the investigational device to be used in a clinical study in order to collect safety and effectiveness data required to support a Premarket Approval (PMA) application or aPremarket Notification… …   Wikipedia

  • Investigational product — An investigational product is a pharmaceutical form of an active ingredient or placebo being tested or used as a reference in a clinical trial, including a product with a marketing authorization when used or assembled (formulated or packaged) in… …   Wikipedia

  • investigational new drug — in·ves·ti·ga·tion·al new drug in .ves ti gā shə nəl n a drug that has not been approved for general use by the Food and Drug Administration but is under investigation in clinical trials regarding its safety and efficacy first by clinical… …   Medical dictionary

  • investigational drug — A substance that has been tested in a laboratory and has gotten approval from the U.S. Food and Drug Administration (FDA) to be tested in people. A drug may be approved by the FDA for use in one disease or condition but be considered… …   English dictionary of cancer terms

  • investigational — See investigation. * * * …   Universalium

  • investigational — adj. of an inquiry, of an investigation …   English contemporary dictionary

  • investigational — in·ves·ti·ga·tion·al …   English syllables

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