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Medicare open enrollment
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Your guide to Medicaid
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- Clinical trials
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Learn about clinical trials
Understand how clinical trials work, how researchers plan for safety, and how to join a trial
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- Resources
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Resources for patients and providers
Explore our practical resources for navigating clinical trials, understanding Medicaid, and much more
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Your guide to clinical trials
Clinical trials are the reason we have safe, effective treatments today, and the reason we’ll have better ones tomorrow. Explore our clinical trial education hub to learn how clinical trials work and what to consider before getting involved.


Learn how clinical trials work
If you’ve heard about clinical trials but aren’t sure what’s involved, read our easy-to-understand guides to how trials work and what to expect.
What can we help you learn?

What is a clinical trial, exactly?
We explain clinical trials in terms that are easy to learn. You can also use our clinical trial glossary to look up other words you might not know.

Asking your doctor about clinical trials
It’s important to talk to your doctor about clinical trials. But it can be hard to know what to ask. We made a list of questions you can bring to your next visit.

How to find (and join) a clinical trial
Learn how to find a clinical trial and take the first steps in the screening process. We cover how to ask useful questions and enroll if you are a good match.
Take a closer look at clinical trial safety

Planning and monitoring for safety
Before a clinical trial can start, it goes through several layers of expert and ethics review to help make sure it’s safe to move forward.

Who is responsible for safety?
Safety in a clinical trial is a responsibility shared by people who make sure trials are conducted safely, ethically, and according to strict rules.
Real stories from people who volunteered
Hear firsthand from people about their experiences with clinical trials.
Why inclusive participation in clinical trials is important
Learn how clinical trial participation that represents the diversity of people in our population leads to safer and more effective medical treatments.

Inclusivity and clinical trial safety
When clinical trials only include certain groups, we don’t learn enough about how safe treatments are for everyone.

Race and clinical trials
Learn how the early history of clinical trials left an impression, and how clinical trials differ today.

Gender in clinical trials
Clinical trials have become more inclusive of female biological sex and gender over time, but there is still a participation gap.
Find a clinical trial and get more help

Look up a clinical trial near you
Use our trial finder to search for clinical trials by your location, health condition or disease. Sign up for notifications about new studies.

Call us for clinical trial help
Our case managers provide free help over the phone. Call 1-855-329-5969, Monday through Friday, 9 a.m. to 5:30 p.m. ET.
