A conference of leading pharmacoepidemiologists and experts in clinica
l computing has highlighted the need to support drug surveillance as a
n important component of automated patient care data. Citing shortcomi
ngs in existing systems, the participants made suggestions for improvi
ng the collection, storage, and compatibility of the data in hospital-
based drug surveillance systems. This article describes the history an
d current status of this effort and may serve as a guide for others in
terested in international drug therapy standards.