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Introduction to Clinical Trials

Clinical Trials: Questions and Answers
An NCI fact sheet that explains clinical trials.

What Is a Clinical Trial?
(Updated: 08/30/2001) - A basic description of the reason for, and the kinds of, clinical trials.

Should I Take Part in a Clinical Trial?
(Updated: 08/30/2001) - A discussion of the risks, benefits and participant protections associated with a patient's enrollment in a clinical trial.

Should I Take Part in a Cancer Prevention Trial?
(Updated: 07/27/2004) - A discussion of the pros and cons of participating in a cancer prevention trial.

How Do I Take Part in a Clinical Trial?
(Updated: 08/30/2001) - A discussion of such factors as a patient's eligibility for a trial, trial locations, and paying for patient care costs.

Participating in a Trial: Questions to Ask Your Doctor
(Updated: 08/30/2001) - Anyone considering a clinical trial should feel free to ask questions. Here are some suggestions.

How Is a Clinical Trial Planned and Carried Out?
(Updated: 07/27/2004) - In order to make a decision about participating in a clinical trial, it helps to know how trials are conceived and run.

Protecting Participants in Clinical Trials
(Updated: 08/30/2001) - A collection of material about the ways in which clinical trials participants are protected before and during the conduct of a study.

Facts and Figures About Cancer Clinical Trials
(Updated: 12/18/2002) - Answers to some frequently asked questions about the numbers of cancer trials in progress in the United States and the participants in these trials.

Ten Things to Know About Cancer Treatment Trials
(Posted: 01/10/2000) - A list of the ten basic facts about clinical trials.

Eleven Things to Know about Cancer Prevention Clinical Trials
(Posted: 01/10/2000) - Some basic facts about cancer prevention trials.

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