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ClinicalTrials.gov Menu IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more...

Glossary Definition

ELIGIBILITY CRITERIA
The key standards that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility Criteria include both inclusion criteria and exclusion criteria. For example, a study might only accept participants who are above or below certain ages. (See also Eligibility Criteria data element on ClinicalTrials.gov.)