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Human clinical trial

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Human clinical trial

(Science: pharmacology) Controlled clinical studies in human volunteers to test the safety and efficacy of pharmaceutical candidates.

there are usually three distinct phases of human clinical testing: phases i, II, and III.

phase i trials are safety studies of volunteers, usually healthy controls. Phase II trials are studies to confirm safety and study optimum dose and initial efficacy. Phase III trials are studies to prove safety and efficacy in a specific patient population.