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A clinical trial is the testing of a product (drug) on a human subject. Before the product is tested on humans, years of chemical and animal testing takes place. During a clinical trial, subjects are closely monitored. At the end of the trial, an application is filed with the Food and Drug Administration (FDA). If the FDA finds that the manufacturer has proven the technology to be safe and effective for the requested indication, the drug can be marketed. The entire clinical trial process can take about 10 years and millions of dollars to complete.
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