Archives: Glossary Terms

A process for a doctor to request an unapproved treatment for a seriously ill patient.

A list of reasons a person cannot be included in a study.

To examine, review, and understand.

The same or almost the same result.

When two or more things in a study are about the same.

A person who studies where, why, how often, and to what populations health concerns and diseases happen.

The action of a participant joining the study after providing informed consent.

A measure of the expected effect of the study treatment.

A process to make a treatment or vaccine available during a public health emergency, before all research is complete, and before full approval is granted.

The reasons a person can be included in, or excluded from, a study.