Participating in Clinical Trials

Frequently Asked Questions

5. What is a prevention trial?

Prevention trials study ways to reduce the risk of getting a disease. These trials attempt to find out if

  • lifestyle changes, such as exercising more, getting more sleep, keeping mentally active, or eating nutritious foods, can prevent a problem
  • taking certain medicines, vitamins, or getting vaccines will prevent a disease in people who have never had the disease or prevent a disease from returning.