observational study
- Guideline or reference source
- ClinicalTrials.gov Glossary of common site terms
- Definition
- A clinical study in which participants identified as belonging to study groups are assessed for biomedical or health outcomes. Participants may receive diagnostic, therapeutic, or other types of interventions, but the investigator does not assign participants to specific interventions (as in an interventional study).
- Use
- non-interventional clinical study
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