<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The aim of the study was to investigate the modified release of a model substance, of tablets containing different types of Kollidon and particular additives. Additionally, the release kinetics and mechanism of prolonged release of certain tablet preparations were investigated. In this work, tablets containing different types of povidone (Kollidon CL, Kollidon 30, Kollidon SR and other excipients) were prepared by the direct compression technique. The results showed that tablets with fast disintegration and release should contain in their composition, Kollidon CL, lactose and Avicel, however, the use of β-CD instead of lactose or Avicel brings about a slight prolongation in the disintegration time of tablets and the release of an active substance. Furthermore, while other tablet compositions generated within this study must be considered as being prolonged release types, only two of these showed the best fitted mathematical models. The <italic>in vitro</italic> dissolution data reveal that the dissolution profiles of the two formulations, one containing Kollidon SR with the addition of Kollidon 30, and the second with HPMC K15M, Kollidon 30, Kollidon CL and lactose, best fitted the Higuchi model. Moreover, the release mechanism of these two formulations plotted well into Korsmeyer-Peppas, indicating a coupling of drug diffusion in the hydrated matrix, as well as polymer relaxation – the so-called anomalous transport (non-Fickian).</p></abstract>

The aim of the study was to investigate the modified release of a model substance, of tablets containing different types of Kollidon and particular additives. Additionally, the release kinetics and mechanism of prolonged release of certain tablet preparations were investigated. In this work, tablets containing different types of povidone (Kollidon CL, Kollidon 30, Kollidon SR and other excipients) were prepared by the direct compression technique. The results showed that tablets with fast disintegration and release should contain in their composition, Kollidon CL, lactose and Avicel, however, the use of β-CD instead of lactose or Avicel brings about a slight prolongation in the disintegration time of tablets and the release of an active substance. Furthermore, while other tablet compositions generated within this study must be considered as being prolonged release types, only two of these showed the best fitted mathematical models. The in vitro dissolution data reveal that the dissolution profiles of the two formulations, one containing Kollidon SR with the addition of Kollidon 30, and the second with HPMC K15M, Kollidon 30, Kollidon CL and lactose, best fitted the Higuchi model. Moreover, the release mechanism of these two formulations plotted well into Korsmeyer-Peppas, indicating a coupling of drug diffusion in the hydrated matrix, as well as polymer relaxation – the so-called anomalous transport (non-Fickian).

The application of povidone in the preparation of modified release tablets

Chair and Department of Applied Pharmacy, Faculty of Pharmacy, Medical University of Lublin, 1 Chodzki, 20-093 Lublin, Poland

Current Issues in Pharmacy and Medical Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"The application of povidone in the preparation of modified release tablets"}

The aim of the study was to investigate the modified release of a model substance, of tablets containing different types of Kollidon and particular additives....

The application of povidone in the preparation of modified release tablets

Data publikacji: 08 cze 2016

Zakres stron: 71 - 78

Otrzymano: 12 sty 2016

Przyjęty: 02 mar 2016

DOI: https://doi.org/10.1515/cipms-2016-0015

Słowa kluczowe
Kollidon, tablets, kinetic release

© 2016 Regina Kasperek et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The application of povidone in the preparation of modified release tablets

Data publikacji: 08 cze 2016

Zakres stron: 71 - 78

Otrzymano: 12 sty 2016

Przyjęty: 02 mar 2016

DOI: https://doi.org/10.1515/cipms-2016-0015

Słowa kluczoweKollidon, tablets, kinetic release

© 2016 Regina Kasperek et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Słowa kluczowe
Kollidon, tablets, kinetic release