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Saturday, November 22, 2008
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What Happens in a Phase III Cancer Prevention Clinical Trial?

If you decide to join a Phase III cancer prevention trial, you'll work with a research team. Team members may include doctors, nurses, social workers, and other health care providers. They will give you clear instructions. You may be asked to take a medication. You also may be asked to keep a diary or answer questions about how you're feeling.

During the study, a research team will review your health carefully. (This means that you may have more tests and doctor visits than you would if you weren't in the study.) Team members also may check on you for a while after the trial ends (followup). To make the trial results as reliable as possible, it is important for you to follow the research team's instructions. That means having all doctor visits and tests, taking medicines on time, and filling out logs or answering questions. Careful review and followup help you and scientists find out quickly what agent is best for reducing cancer risk.



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National Cancer Institute
April 1999