Formulation and Evaluation of Gliclazide Tablets Containing PVP-K30 and Hydroxypropyl-β-cyclodextrin Solid Dispersion

DOI:

https://doi.org/10.37285/ijpsn.2012.5.2.6

Authors

  • Mohan M Varma
  • Satish Kumar P

Abstract

Gliclazide is an anti-diabetic drug. It is a BCS class-II (poorly water soluble) drug and its bioavailability is dissolution rate limited. The dissolution rate of the drug was enhanced by using the solid dispersion technique. Solid dispersions were prepared using PVP-K30 (polyvinylpyrrolidone) and hydroxypropyl-β-cyclodextrin (HP BCD) as the hydrophilic carriers. The solid dispersions were characterized by using DSC (Differential scanning calorimetry), XRD (X-ray diffractometry) and FTIR (Fourier transform infrared spectroscopy). Solid dispersions were formulated into tablets. The formulated tablets were evaluated for the quality control parameters and dissolution rates. The solid-dispersion tablets enhanced the dissolution rate of the poorly soluble drug. The optimized formulation showed a 3 fold faster drug release compared to the branded tablet. The XRD studies demonstrated the remarkable reduction in the crystallinity of the drug in the solid dispersion. The faster dissolution rate of the drug from the solid dispersion is attributed to the marked reduction in the crystallinity of the drug. The DSC and FTIR studies demonstrated the absence of the drug-polymer interaction.

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Keywords:

Gliclazide, solid dispersions, PVP-K30, hydroxypropyl-β-cyclodextrin

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Published

2012-08-31

How to Cite

1.
Varma MM, P SK. Formulation and Evaluation of Gliclazide Tablets Containing PVP-K30 and Hydroxypropyl-β-cyclodextrin Solid Dispersion. Scopus Indexed [Internet]. 2012 Aug. 31 [cited 2024 Dec. 11];5(2):1706-19. Available from: https://www.ijpsnonline.com/index.php/ijpsn/article/view/574

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Research Articles

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