1. 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; [syn: phase I clinical trial, phase I]
WordNet (r) 3.0 (2006):
phase I clinical trial
n 1: 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 [syn: phase I
clinical trial, phase I]