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clinical trial
 
Noun clinical trial has 1 sense
  1. 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
    --1 is a kind of test, trial, run
    --1 has particulars:
     phase I clinical trial, phase I; phase II clinical trial, phase II; phase III clinical trial, phase III; phase IV clinical trials, phase IV
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