These randomized, controlled trials are designed to confirm the drug's effectiveness, monitor side effects in a large population, and compare it to commonly used treatments. Investigational New Drug Application To initiate human testing, the sponsoring company must submit an Investigational New Drug (IND) application to the fda.
What Must Happen Before Approval
The fda reviews this submission, not to approve the drug, but to ensure the studies pose minimal risk to participants. The primary objective is to determine how the drug behaves in the human body, establishing safe dosage ranges and identifying common side effects.
Data from Phase II helps define the optimal dosage for the pivotal final phase. Only when this data indicates a reasonable expectation of safety does the drug move toward human application.
What Must Happen Before Approval
The fda requires a thorough review by multiple divisions, where chemists, physicians, statisticians, and other specialists scrutinize every detail. Researchers closely monitor participants to find the maximum tolerated dose and observe how the drug is metabolized.
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