Physicians’ Desk Reference (PDR) is a drug reference resource historically used to provide prescribing information, product labeling details, and safety information for marketed therapies.
In research operations, drug references like PDR may be used to confirm labeled dosing, contraindications, warnings, and drugñdrug interaction considerations when managing concomitant medications. These references can support protocol development, safety narratives, and investigator guidance, especially when comparing investigational therapies with standard treatments. Accurate drug reference use helps reduce medication-related risk and improves documentation quality. Clear sourcing supports reliable safety decision-making and consistent clinical oversight.