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Phase I, II, III trials

Phase I, II, and III trials are essential steps in the development of new medical treatments, especially drugs. Phase I focuses on safety, testing a small group of healthy volunteers to find out if the treatment is safe and to determine the appropriate dosage. Phase II involves a larger group of patients to assess the treatment's effectiveness and further evaluate its safety. Phase III expands the testing to even more participants, comparing the new treatment to standard options to confirm its benefits and monitor side effects. Successful Phase III trials are often required for regulatory approval.

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  • Image for Phase I, II, III trials

    Phase I, II, and III trials are essential steps in testing new medical treatments. - Phase I trials focus on safety, involving a small group of healthy volunteers to see how the treatment is tolerated and to determine safe dosage levels. - Phase II trials expand the group to patients with the condition to assess effectiveness and further evaluate safety. - Phase III trials involve larger populations to confirm efficacy, monitor side effects, and compare with standard treatments. Successful Phase III results can lead to regulatory approval, allowing the treatment to be available for public use.