A REVIEW ON FLOATING DRUG DELIVERY SYSTEM
Journal: INTERNATIONAL JOURNAL OF UNIVERSAL PHARMACY AND BIO SCIENCES (Vol.2, No. 1)Publication Date: 2013-02-28
Authors : Mihir Patel Dr.K.R.Patel Dr.Patel Dr.N.M.Patel;
Page : 09-19
Keywords : Floating drug delivery systems; Single unit; multiple units; Evaluation in-vitro and in-vivo.;
Abstract
In the recent years, scientific and technological advancements have been made in the research as short gastric residence times and unpredictable gastric emptying and development of novel drug delivery systems by overcoming physiological troubles such times. Several approaches are currently utilized in the prolongation of the gastric residence times, including floating drug delivery systems, swelling and expanding systems, polymeric bioadhesive systems, modified-shape systems, high-density systems and other delayed gastric emptying devices. Floating Drug Delivery Systems (FDDS) is one amongst the GRDFs used to achieve prolonged gastric residence time. The purpose of writing this review on floating drug delivery systems (FDDS) was to compile the recent literature with special focus on the principal mechanism of floatation to achieve gastric retention. The recent developments of FDDS including the physiological and formulation variables affecting gastric retention, approaches to design single-unit and multiple-unit floating systems, and their classification and formulation aspects are covered in detail. This review also summarizes the in vitro techniques, in vivo studies to evaluate the performance and application of floating systems, and applications of these systems.
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Last modified: 2013-02-25 02:04:05