Library / English Dictionary |
PHASE IV
Pronunciation (US): | (GB): |
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 trials
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)