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

1 sense of phase i

Sense 1
phase I clinical trial, phase I -- (a clinical trial on a few persons to determine the safety of a new drug or invasive medical device; for drugs, dosage or toxicity limits should be obtained)
       => 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)