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Floating drug delivery system or hydrodynamically balance systems have a bulk density lower than gastric fluid and thus remains buoyant in the stomach for a prolonged period of time without affecting the gastric emptying rate. While the system is floating on gastric contents the drug is released slowly at a desired rate from the system. After the release of drug residual system is emptied from the stomach. This results in increase in gastric residence time and a better control of fluctuation in plasma drug concentration. Development of oral controlled-release systems has been a challenge to formulation scientists because of their inability to restrain and localize the system in the targeted area of the gastrointestinal tract.
- Format: Pocket/Paperback
- ISBN: 9783848425280
- Språk: Engelska
- Antal sidor: 156
- Utgivningsdatum: 2012-03-15
- Förlag: LAP Lambert Academic Publishing