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Glossary of Common Site Terms

key information

source: U.S. National Library of Medicine, ClinicalTrials.gov

year: 2020

summary/abstract:

This glossary will help you understand words and phrases frequently used on ClinicalTrials.gov. Many of these words are also used by clinical researchers and others in the same or a similar manner. But the definitions below are provided to explain content on ClinicalTrials.gov only.
 

Accepts Healthy Volunteers

A type of eligibility criteria that indicates whether people who do not have the condition/disease being studied can participate in that clinical study.

 

Active Comparator arm

An arm type in which a group of participants receives an intervention/treatment considered to be effective (or active) by health care providers.

 

Adverse Event

An unfavorable change in the health of a participant, including abnormal laboratory findings, that happens during a clinical study or within a certain amount of time after the study has ended. This change may or may not be caused by the intervention/treatment being studied.


More on Clinical Trial Education:

Clinical Trials: Benefits, Risks, and Safety
Learn About Clinical Studies
Finding a Clinical Trial

read more

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