Clinical Research Glossary

investigator investigator


A person who leads a research study.

Example of investigator in a sentence

The investigator is responsible for making sure the study is carried out as planned.

More Info

A study can have many investigators. An investigator could be a doctor, scientist, or other health professional.

A principal investigator is in charge of making sure the whole research study is being conducted correctly.

Other info to think about when joining a study

You may hear the term “investigator” when you learn about the different people involved in doing a study. The investigator who is running the study may be listed in the consent form.

You can ask for the investigator’s name and also find out who you should contact in case you have any problems or questions during the study. It may be someone other than the investigator.

Was this entry helpful?

Thanks for your feedback!