128. dosage regimen The systematized schedule under which drugs or drug candidates are administered for pharmacokinetic evaluation or therapy; that is, the proper mass and proper time interval between compound administration required to produce clinical efficacy or to maintain a therapeutic concentration in the body.
129. dose A measured quantity of a therapeutic agent taken at one time.
130. dose–response curve The graphical presentation of pharmacological response versus amount of compound administered (e.g., dose).
131. dosing interval The time period between multiple administrations of a compound.
132. dosing vehicle Substance in which drug is administered: used to facilitate the absorption or administration of the drug.