Glossary

Participants who stop participating and cannot be reached for data collection.

Information collected outside controlled clinical trial settings, such as in routine healthcare.

A study where researchers observe outcomes without intervening or assigning treatments.

The percentage of participants who follow the trial�s protocols and treatment regimens.

A specific group in a trial receiving a particular treatment or intervention.

A change or update to the original clinical trial protocol.

The process of explaining a clinical trial to participants and obtaining their voluntary agreement to participate.

A comparison of the potential risks and benefits of a treatment to determine its suitability.

The total length of time over which a clinical trial is conducted.

The study of how a drug affects the body and its mechanisms of action.

The study of how a drug is absorbed, distributed, metabolized, and excreted by the body.

A harmful or unintended response to a treatment or intervention.

An additional analysis of data after a trial has been completed.

Improvement in a participant's condition due to their belief in the treatment, rather than the treatment itself.