When a study is open to new participants joining the study.
Archives: Glossary Terms
principal investigator
The main researcher who oversees a research study and makes sure it is done as planned.
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personal data
Any information that is related to a person, including information that can identify them.
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participant code
A set of numbers, letters, or both that is used to identify a participant instead of their personal information.
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opt-out
To decline optional study activities or optional data uses that are not required for the study.
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opt-in
To agree to optional study activities or optional data uses that are not required for the study.
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medical device
A test kit, implant, or other item that can be used, worn, or inserted to prevent, diagnose, monitor, or treat a disease, condition, or symptom.
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masking (study treatment)
Hiding or covering what the study treatments look like so participants cannot tell the difference.
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long-term follow-up (research)
When researchers continue to collect data from study participants after initial research activities are completed.
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Investigational Device Exemption (IDE)
An approval given by the United States Food and Drug Administration to use a medical tool, instrument, test, or method in a study that enrolls people.