A brief review on Kollidon

Polyvinylpyrrolidone includes soluble and insoluble grades; soluble grades are synthesised by the mechanism of polymerization, the free radical polymerization into water by using hydrogen peroxide as an initiator, the mechanism which terminates the polymerisation reaction makes it probable to produce soluble polyvinylpyrrolidone of about any molecular weight. Cross-linked polymer shows yield through popcorn polymerisation of an N-vinylpyrrolidone which gets insoluble polyvinylpyrrolidone.

Kollidon is in the market as a brand name for polyvinylpyrrolidone, kollidon family now is a set of common excipients based on polyvinylpyrrolidone for use in pharmaceutical industry. They have a great variety of applications in an oral formulation; the functions of oral formulation encompass fast disintegration, sustain drug release, solubility, bioavailability enhancement, and stabilize the active ingredient.

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Kollidon containing a mixture of polyvinyl acetate plus povidone are generally used in the formation of sustained release formulation. Owing to their high molecular weight, are recognized as a suitable vehicle for producing sustained release drug delivery system. In this review paper, applications of different grades of kollidon are organized in the form of tables and reviewed critically. Current literature of patents on kollidon based formulations is also presented.

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Article Information: Jagtap, P., Tagad, R., & Shendge, R; Journal of Drug Delivery and Therapeutics, 2019

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