(INFOGRAPHIC) Phases of Clinical Trials

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When a new medical device, drug or treatment is being developed, researchers must undertake a lengthy process that involves various steps and numerous participants. Clinical trials make up the bulk of this process and are comprised of four phases designed to answer a separate research question and move the device, drug or treatment one step closer to being approved by the U.S. Food and Drug Administration (FDA).

Read more about clinical trials and how you can participate