Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun phase_iv_clinical_trial

1 sense of phase iv clinical trial

Sense 1
phase IV clinical trial, phase IV -- (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)
       => clinical trial, clinical test -- (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)