In some situations, there is a need to describe the vehicle in which the dose is delivered. Sometimes a device used in administration may be recorded. Additional data that may be collected includes location of administration and fasting status. For many routes of administration, the location of administration is implicit in the route, and collection of location of administration is not necessary.
SDTM includes a large number of variables to describe dosing. This is due to a number of options for describing substance administrations. The concept map above does not show all these possibilities.
An SDTM interventions record can describe a single administration or a series of periodic administrations.
A product can have one active ingredient or multiple active ingredients.