Formulation and Evaluation of Gastro-Retentive Floating Extended Release Metoprolol Tablets using Sodium Alginate and HPMC K-100M Combination

DOI:

https://doi.org/10.37285/ijpsn.2015.8.3.9

Authors

  • Ashok Thulluru
  • M. Mohan Varma
  • C M Setty
  • Pavan Kumar Chintamaneni
  • S. Sriharsha vardhan

Abstract

The present study was aimed to convert Metoprolol Succinate convert into Gastro Retentive Floating Tablet (GRFT). The gas generating floating tablets of Metoprolol Succinate were prepared to increase the gastric retention and to extend the drug release up to 12 hr. and thereby enhancing its bioavailability. The floating tablets were formulated using HPMCK 100M alone and with the combination of sodium alginate to the polymer of varying concentrations. The tablets were prepared by non-aqueous wet granulation method. The formulated granules were evaluated for pre-compression studies, after the compression of tablets they were subjected to various post-compression studies: Average weight, thickness, density, hardness, % friability, % drug content, (In vitro buoyancy studies: floating time, total floating time and matrix integrity up to 12 hr) and the In vitro drug release studies. The optimized formulation (F4) was found to follow a near perfect zero order kinetics (regression coefficient,      r2 = 0.978). Higuchi plot for formulation, F4, showed r2 value of 0.978, suggesting that the diffusion and erosion plays an important role in the controlled release of the drug. The data was fitted to the Korsemeyer-Peppa’s equation; and the value of the diffusion component (n=0.654), for the formulation F4, indicated that the drug release follows non-Fickian diffusion.

 

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Keywords:

Metoprolol, Gastro-retentive floating tablets, HPMC K100M, Sodium alginate

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Published

2015-08-30

How to Cite

1.
Thulluru A, Varma MM, Setty CM, Chintamaneni PK, vardhan SS. Formulation and Evaluation of Gastro-Retentive Floating Extended Release Metoprolol Tablets using Sodium Alginate and HPMC K-100M Combination. Scopus Indexed [Internet]. 2015 Aug. 30 [cited 2024 Dec. 10];8(3):2947-54. Available from: https://www.ijpsnonline.com/index.php/ijpsn/article/view/798

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Research Articles

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