- A pro-drug is a medication that is administered in an inactive or less than fully active form, and then it becomes converted to its active form through a normal metabolic process, such as hydrolysis of an ester form of the drug.
- It is a precursor chemical compound of a drug.
- Sovaldi is the brand name of the drug Sofosbuvir and is a drug used for hepatitis C infection, with a high cure rate. It is Gilead’s high-priced, latest pill against Hepatitis C.