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Clinical trials and studies

Thinking about joining a clinical trial or study? By participating in clinical research, you can help scientists develop new medications and other strategies to treat and prevent disease. Read these articles to learn how clinical trials and studies work and find out how to participate.

Looking for clinical trials for Alzheimer's disease or a related dementia? Visit the Alzheimers.gov Clinical Trials Finder.


What Are Clinical Trials and Studies?

Interested in clinical research? Learn about the phases of clinical trials, why older and diverse participants are needed, and what to ask before participating.
Female researcher looking at a brain scan

nia.nih.gov

An official website of the National Institutes of Health