alexa Investigation of the Stability with Bracketing Design i
ISSN : 2153-2435

Pharmaceutica Analytica Acta
Open Access

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Research Article

Investigation of the Stability with Bracketing Design in Tablet Form

Asuman Bozkir1*, Hacer Coskun Cetintas1 and Ongun Mehmet Saka1

Ankara University, Faculty of Pharmacy, Department of Pharmaceutical Technology, TR-06100 Ankara-Turkey

*Corresponding Author:
Asuman Bozkir
Ankara University, Faculty of Pharmacy
Department of Pharmaceutical Technology
TR-06100 Ankara-Turkey
Tel: +903122033153
Fax: +903122131081
E-mail: [email protected]

Received date: April 06, 2013; Accepted date: May 19, 2013; Published date: May 24, 2013

Citation: Bozkir A, Cetintas HC, Saka OM (2013) Investigation of the Stability with Bracketing Design in Tablet Form. Pharm Anal Acta S1:005. doi: 10.4172/2153-2435.S1-005

Copyright: © 2013 Bozkir A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

EMA, FDA and ICH guidelines provide guidance to manufacturers of pharmaceutical products for planning and evaluating the stability tests. A full study design is discribed as a model in which samples for every combination of all design factors are tested at all time points. On the other hand matrix and bracket desings are known as a reduced design which can be a suitable alternative to a full design when certain design factors are involved. The bracketing design assumes that the stability of any intermediate levels is represented by the stability of the extremes tested. Reducing number of stability test with bracketing design is considered as an alternative to the full factorial design to avoid costly and time consuming. In this study, an application of the survey of 4 different forms of glimepiride tablet by bracket design method is given. Among the four doses of the medicine, the extreme amounts of active pharmaceutical ingredient are chosen and several quality parameters such as content uniformity, weight variation, tablet crushing strength, disintegration and friability, tablet dissolution rate, disintegration time, active substance ingredient amount, diameter and thickness of tablets are determined in accelerated and long-term stability conditions. Using these results, the properties of tablets with intermediate amounts are calculated with the help of statistical modeling. For four of six examined quality control parameters the r² values are close to 1 and all found F values are greater than the tabulated values. These results show that the correlations used in the modeling part are accurate.

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