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We found 4 dictionaries with English definitions that include the word phase iv clinical trials: Click on the first link on a line below to go directly to a page where "phase iv clinical trials" is defined. General (2 matching dictionaries) phase iv_clinical_trials: Rhymezone [home, info] phase iv_clinical_trials: LookWAYup Translating Dictionary/Thesaurus [home, info] Medicine (2 matching dictionaries) Clinical Trials, Phase IV: Medical Dictionary [home, info] clinical trials, phase IV: online medical dictionary [home, info]

Quick definitions from WordNet (phase iv clinical trials) ▸ noun:  sometimes the FDA approves a drug for general use but requires to manufacturer to continue to monitor its effects; during phase IV the drug may be tried on slightly different patient populations than those studied in earlier trials