Abstract
Gastroretentive drug delivery technology has emerged as an efficient approach for enhancing the bioavailability and controlled delivery of various therapeutic molecules. Myriad of patents issued in the vistas of gastroretentive technology have inspired scientific community worldwide to develop more innovative strategies for the fabrication of drug delivery devices which can be retained in stomach for a controlled period of time. The present paper describes various recent efforts and technological advancements of gastroretentive drug delivery systems along with potential advantages and available marketed preparations. Numerous significant patents concerning gastroretentive drug delivery devices are also highlighted.
Keywords: Enhanced bioavailability, gastroretentive drug delivery systems, gastric retention, patents, recent developments, technological advancements, gastroretentive approach, Mucoadhesive Systems, High Density Systems, Swellable Systems.
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