Early phase 1« Back to Glossary Index
Early phase 1 (formerly listed as Phase 0) refers to a phase of research used to describe exploratory trials conducted before traditional phase 1 trials to investigate how or whether a drug affects the body. They involve very limited human exposure to the drug and have no therapeutic or diagnostic goals.
ClinicalTrials.gov Glossary of Common Site Terms
NCATS Toolkit for Patient-Focused Therapy Development: Educating Your Disease Community
« Back to Glossary Index
Phase 0 (formerly)