Effervescent Floating Drug Delivery System: A Review
Oral sustained release gastro-retentive dosage forms offer many advantages for drugs with the absorption from upper parts of the gastro intestinal tract. Gastric emptying is a complex process and it is highly variable. The floating drug delivery systems are useful methods to avoid this variability which increases the retention time of the drug delivery systems for more than 12 hours.these systems are useful for many of the problem occurred during development of pharmaceutical dosage form. The objective of the review is to understand the current approaches of this drug delivery system.
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