Archives: Glossary Terms

A way to assign participants to study treatment or control groups.

Research that collects data from or about a group of participants over time to see whether a specific outcome happens.

A research study testing one or more study treatments in a single participant to find the best treatment for that person.

How long people live after a diagnosis or starting a study treatment.

A person or group that provides money and other resources to do a research study.

A planned time before randomization at the start of a research study for additional screening and participant preparation.

A type of research that tests a study treatment in real-world settings.

A type of clinical research that is done to see if earlier study results can be repeated and learn more about how well a study treatment works.

In a blinded study, when a participant or study staff finds out which study arm a participant was in.

An ethical reason for doing research when researchers do not know if one treatment is better than another for a disease or condition.