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Journal :   Research Journal of Pharmacy and Technology

Volume No. :   5

Issue No. :  7

Year :  2012

Pages :   934-937

ISSN Print :  0974-3618

ISSN Online :  0974-360X


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Formulation and Evaluation of Imatinib Mesylate Microspheres by Chemical Crosslinking Method

Address:   S.P. Senthil1*, K.L. Senthilkumar2, Sadasiva Reddy Chandi1, R.P. Ezhilmuthu2, M.M. Saravanan3. Nagesh R. Sandu2,
1Department of Pharmaceutics, The Erode College of Pharmacy and Research Institute, Veppampalayam, Erode, Tamil Nadu, India-638112.
2Padmavathi College of Pharmacy and Research Institute, Dharmapuri, Tamil Nadu, India.
3Vinayaka Mission’s College of Pharmacy, Salem, Tamil Nadu, India-636008.
*Corresponding Author
DOI No: Not Available

The present research deals with formulation of microspheres containing an Anti-cancer drug Imatinib mesylate reduce the frequency of dosing. It is a protein-tyrosine kinase inhibitor, especially useful in the treatment of various types of cancer and can also be used for the treatment of atherosclerosis, thrombosis, restenosis, or fibrosis. Imatinib mesylate loaded microspheres were formulated by using both hydrophilic and hydrophobic polymers by Chemical Cross Linking method with Chitosan, and Ethyl Cellulose to develop a sustained release dosage form. The effect of concentration of cross-linking agent (Glutaraldehyde) on the microspheres properties like percentage of drug loading, biodegradability, drug release kinetics, particle size, encapsulation efficiency, angle of repose, bulk density, SEM, DSC and XRD were investigated in our study. Moreover, the kinetics of Imatnib mesylate released from different formulations of microspheres were analyzed using four different theoretical models, that is, Zero order, First order, Peppa’s, and Higuchi models. Microspheres prepared with Glutaraldehyde showed different release kinetics. Increasing the polymer concentration decreased the release rate of Imatinib Mesylate from microspheres because of formation of greater structural strength and more tightly texture with the drug. Besides, microspheres gave an adequate fit to either zero order or first order kinetic models, depending on the extent of cross linking reaction between drug and the cross linking agent.
Imatinib Mesylate, Chitosan, Ethyl Cellulose, microspheres, Release Kinetics.
S.P. Senthil, K.L. Senthilkumar, Sadasiva Reddy Chandi, R.P. Ezhilmuthu, M.M. Saravanan, Nagesh R. Sandu. Formulation and Evaluation of Imatinib Mesylate Microspheres by Chemical Crosslinking Method. Research J. Pharm. and Tech. 5(7): July 2012; Page 934-937.
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