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. may be used to improve how selectively the drug interacts with cells or processes that are not its intended target This reduces adverse or unintended effects of a drug, especially important in treatments like chemotherapy, which can have severe unintended and undesirable side effects. Instead of administering a drug, a __ might be used instead to improve how a medicine is absorbed, distributed, metabolized, and excreted (ADME).