FORMULATION AND EVALUATION OF MELOXICAM LIQUISOLID COMPACT

  • Dhiya R. Joda Altememy
  • Jaafar Jabir Altememy University of Baghdad

Abstract

Objective: The aim of the present research was to improve dissolution of poorly soluble meloxicam a BCS (Biopharmaceutical Classification System) Class-II drug by utilizing liquisolid technique. Different liquisolid (LS) compacts were prepared using a mathematical model to calculate the required quantities of powder and liquid ingredients to produce acceptably flow able and compressible admixture.

Methods: Liquisolid compact was prepared from; microcrystalline cellulose (Avicel PH 102) as carrier, colloidal silicon dioxide (Aerosil 200) and silica (cab-O-sil) as coating material, sodium starch glycol ate and cross povidon as super disintegrants, PVP-K25 and HPMC E5 as additives to increase loading capacity, polyethylene glycol 400, propylene glycol and tween 80 as liquid vehicles. The ratio of carrier to coating material was kept constant in all formulations at 25:1, this ratio was chosen after testing the ratios 5:1, 10:1, 15:1, 20:1 and 25:1. The ratio 25;1 give optimal results relative to other ratios.

The prepared LS compacts were evaluated for their tab letting properties. Fourier transform infrared (FTIR) analysis, differential scanning calorimetry (DSC), scanning electron microscope (SEM) and X-ray powder diffraction (XRPD) were performed.

Results: The tab letting properties of the liquisolid compacts was within the acceptable limits. The drug release rates of the selected formulas (LS-3, LS-3A, LS-3AP and LS-3AH) of prepared liquisolid compacts were distinctly higher as compared to directly compressed tablets, and marketed tablets.

The DSC, XRPD and SEM were suggested loss of meloxicam crystallinity upon liquisolid preparation indicating that even though the drug existed in a solid dosage form, it is held within the powder substrate in a solubilized, almost molecularly dispersed state, which may be contributed to the enhanced drug dissolution properties.

The FTIR spectra showed disappearance of the characteristic absorption band of meloxicam (3290 cm-1) in liquidsolid formulation which might be attributed to the formation of hydrogen bonding between the drug and liquid vehicle; this resulted in drug dissolution enhancement.

Conclusion: From this study it concludes that the LS technique is an effective approach to enhance the dissolution rate of meloxicam.

 

Keywords: Meloxicam, Liquisolid compacts, PEG 400, Dissolution rate.

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How to Cite
Altememy, D. R. J., and J. J. Altememy. “FORMULATION AND EVALUATION OF MELOXICAM LIQUISOLID COMPACT”. International Journal of Pharmacy and Pharmaceutical Sciences, Vol. 6, no. 10, 1, pp. 453-6, https://innovareacademics.in/journals/index.php/ijpps/article/view/2815.
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