Originates from the term "progenitor drug." A compound that is converted within the body into the active form that has therapeutic effects.

A drug that is broken down into another active form inside the body.

a chemical that is transformed into a drug when it or its carrier is bound to an appropriate target cell

a compound which By calculating the AUC values we can determine the absolute bioavailability of

a derivative of a compound, usually with significantly reduced pharmacological activity, which contains an additional moiety that is susceptible to removal in vivo yielding the parent molecule as the pharmacologically active species

a drug which is rapidly converted in the body to the active form