Clinical Trials
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Frequently asked questions about clinical trials
Find quick answers about clinical trials, what participation involves, why studies matter, and how to search and get involved.
A clinical trial is a research study that involves people and is designed to answer specific questions about health, disease, treatments, or ways to improve care. It usually involves giving participants an intervention (like medications, a medical device, or even a behavior assigned by a physician/researcher) and studying the results.
Clinical trials can also test interventions (like medications or a medical device) that isn’t yet approved for clinical use. These trials help give patients with serious conditions access to groundbreaking treatments, and for the developers of those interventions to prove their effectiveness.
- Not yet recruiting: The study has not begun recruiting participants.
- Recruiting: The study is currently recruiting participants.
- Enrolling by invitation: The study is carefully selecting participants and is not open to everyone.
- Active, not recruiting: The study is ongoing, but participants aren't currently being enrolled.