Archives: Glossary Terms

The length of time after treatment without the illness coming back.

The length of time without an illness getting worse.

The likelihood or chance that something might happen.

A study to test a treatment in the lab or in animals before testing it in people.

Number of known cases or events in a group.

A study measure that is used to answer the main research question.

When participants can still receive a study treatment after their participation has ended.

An illness getting worse over time.

A test result that shows a person has what was tested for.

A research study that tests and compares two or more study treatments for a disease or condition, with study treatment groups being added or removed during the study period.