drug repurposing

synonyms: drug repositioning, drug reprofiling
https://doi.org/10.1351/goldbook.12648
Strategy that seeks to discover new applications for an existing drug that were not previously referenced and not currently prescribed or investigated.
Note: Various additional synonymous terms have been used to describe the process of drug repurposing. All appear to be used interchangeably.
Source:
PAC, 2013, 85, 1725. (Glossary of terms used in medicinal chemistry. Part II (IUPAC Recommendations 2013)) on page 1733 [Terms] [Paper]