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Modified Alginate Beads for Mucoadhesive Drug Delivery System: An Updated Review of Patents

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Pharmaceutical research and inventions are increasingly developed for the design of an ideal dosage regimen in drug therapy of many diseases, which attains therapeutic concentration of drug in plasma and maintains it constant for the entire duration of treatment and also minimizes the side effects. Recent trends in pharmaceutical technology indicated that mucoadhesive micro particle and modified alginate beads as drug delivery system especially suitable for achieving delivery of drug in a predetermined rate locally or systemically for a prolonged period of time. The release of drug from microparticle depends on a variety of factors including carrier used to form the micro particle and amount of drug contained in them. The main aim of the present review is to explain the various theories, mechanisms, advanced mucoadhesive polymers, various delivery approaches, methodologies for developing a mucoadhesive micro-particle and modified alginate beads formulation, in vitro, ex vivo and in vivo characterization. Apart from this, an innovative test method that is biacore is highlighted in this review to measure the mucoadhesive strength. This review is also briefly explained about the updated patenting system for the development of micro-particle and modified alginate beads as drug delivery system.
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Keywords: Biacore; Fracture Theory; Iontropic Gelation; MUCOADHESIVE MICROPARTICLE; Spray Drying; Wetting Theory; delivery approaches; modified alginate beads; pharmacokinetic advantages; recent patents

Document Type: Research Article

Publication date: December 1, 2012

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  • Recent Patents on Drug Delivery and Formulation publishes review articles by experts on recent patents on drug delivery and formulation. A selection of important and recent patents on drug delivery and formulation is also included in the journal. The journal is essential reading for all researchers involved in the fields of drug delivery and formulation.
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