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After extensive research on a scientific question is deemed promising, clinical trials are conducted to test the findings in human beings. Clinical trials proceed with volunteers who have given informed consent and are interested in taking part.
Clinical trials may include treatment, prevention, screening, diagnostic and quality of life trials.
Generally, clinical trials proceed through three phases.
Taking part in a clinical trial is a voluntary decision, and a choice you can reverse at any time during the trial. All clinical trials are reviewed and approved by Lifespan's Institutional Review Board.
More about participating in a research study
For general information about clinical trials please visit the National Cancer Institute.