Library / English Dictionary

    PHASE IV

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    Sometimes the FDA approves a drug for general use but requires the manufacturer to continue to monitor its effects; during this phase the drug may be tried on slightly different patient populations than those studied in earlier trialsplay

    Synonyms:

    phase IV; phase IV clinical trial

    Classified under:

    Nouns denoting acts or actions

    Hypernyms ("phase IV" is a kind of...):

    clinical test; clinical trial (a rigorously controlled test of a new drug or a new invasive medical device on human subjects; in the United States it is conducted under the direction of the FDA before being made available for general clinical use)

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