Other synonyms for a modified release profile are
- extended release profile
- delayed release profile
- Retarded release profile
Relase profiles of drugs allow a controlled dissolution at defined times or locations. The aim is a continuous drug uptake in the body or targeted transport of the drug to the location of highest bioavailability. The other case would be an all-at-once drug release, which is an immediate release.
Find more information about release profiles on pellet technologies. Link to wikipedia.