phase I clinical trial

/feɪz aɪ ˌklɪnəkəl ˌtraɪ(ə)l/

Definitions of phase I clinical trial

1. noun

   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
   synonyms: phase I

   type of:

   clinical test, clinical trial

   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