National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
investigator

 A researcher in a clinical trial or clinical study.

Previous Definitions:invasive procedure, inverted papilloma, investigational, investigational agent, investigational drug
Next Definitions:inviable, involuntary, involuntary nervous system, iobenguane I 123, iodine