study drug / Investigational drug
Marketed drug

Investigational New Drug (IND) Application > Drug ...
www.fda.gov/Drugs/.../HowDrugsareDev...
Food and Drug Administration
If not, the FDA can withdraw the product from the market more easily than usual. ... The Center for Drug Evaluation and Research (CDER) uses advisory committees to ... opinion about a new drug, a major indication for an already approved drug, or a .... for priority review drugs and major new indications for marketed drugs.

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Note added at 3 days17 hrs (2015-09-06 07:25:34 GMT)
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If you put "Investigational drug"on Google search, you will find more than 1 million hits.

Questions and Answers about Investigational Drugs - PAF
www.patientadvocate.org › ... › Clinical Trial Info
An investigational drug is one that is under study but does not yet have permission from the U.S. Food and Drug Administration (FDA) to be legally marketed and sold in the United States. FDA approval is the final step in the process of drug development.

FDA 的官方用法：

Investigational New Drug (IND) Application
www.fda.gov/drugs/.../howdrugsaredevel...
Food and Drug Administration
Because a sponsor will probably want to ship the investigational drug to clinical investigators in many states, it must seek an exemption from that legal ...
‎IND Forms and Instructions - ‎(IND) Applications - ‎Pre-IND Consultation Program

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Note added at 3 days17 hrs (2015-09-06 07:49:09 GMT)
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EVIDENCE OF Marketed drug as the traslation of 已上市的药物

Already Marketed Drug - 青云翻译网
www.zaixian-fanyi.com/fan_yi_12734744 - Translate this page
求翻译：Already Marketed Drug是什么意思？ 待解决 悬赏分：1 - 离问题结束还有 ... 2013-05-23 12:21. 已上市销售药品 ... 2013-05-23 12:23. 已经被销售的药物 ...
• A duplicate of an already marketed drug (typicallY with a 的 ...
www.zaixian-fanyi.com/fan_yi_12734735
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求翻译：• A duplicate of an already marketed drug (typicallY with a new manufacturer)是什么意思？ 待解决 悬赏 ... 一个已上市药物的副本（通常与一个新的制造商） ...