Now Available for Public Comment: Notice of Proposed Rulemaking (NPRM) for FDAAA 801 and NIH Draft Reporting Policy for NIH-Funded Trials

Glossary Definition

INVESTIGATOR
A researcher involved in a clinical study. Related terms include Site principal investigator, Site sub-investigator, Study chair, Study director, and Study principal investigator. (See also Investigators data element on ClinicalTrials.gov.)