PHASE II CLINICAL TRIAL


Meaning of PHASE II CLINICAL TRIAL in English

the second clinical trial of an experimental drug, designed to evaluate the drug's effectiveness in humans. Drugs that fail phase one never make it to phase two. This second clinical trial usually involves 300 or fewer volunteers. Phase II clinical trials are part of the U.S. FDA approval process.

AIDS English Glossary.      Английский словарь СПИДа.