Archives: Glossary Terms

A medical substance that helps the body’s immune system build protection against an infection or disease.

When research is stopped earlier than planned.

An approved location where research study activities take place.

A qualified person who checks that a research study is being done safely and is following the study plan correctly.

A set of numbers, letters, or both, that is used to identify a study.

A person with relevant health training who makes sure clinical study procedures are done correctly, and participants are safe and cared for.

A medical process that looks and feels like the study treatment, but is not expected to have a health effect on the condition being studied.

A health issue, possibly caused by a medication, that leads to hospital care, lasting medical problems, life-threatening conditions, or death.

When a person cannot join a study because they do not fit its eligibility criteria.

Body fluids or tissues collected from a participant during a research study.