If a drug is successful in the initial stage of the FDA approval process (the preclinical phase, usually 3-4 years), its developer will submit an application to the FDA as an IND and will enter the clinical phase of the drug approval process.
If a drug is successful in the initial stage of the FDA approval process (the preclinical phase, usually 3-4 years), its developer will submit an application to the FDA as an IND and will enter the clinical phase of the drug approval process.