The United States Food and Drug Administration (FDA) | Chemxpert Datab

In this case, the FDA plays pivotal roles in the process of approving drugs to enhance safety effectiveness and quality of the drugs used in the market. It starts with the preclinical phase and IND, then clinical trials in three phases. A new drug application (NDA) is filed with FDA following positive results from trial hearings, and the FDA examines all collected data before granting newer drugs approval for common use.