Hydroxypropyl Methylcellulose Based Cephalexin Extended Release Tablets: Influence of Tablet Formulation, Hardness and Storage on in Vitro Release Kinetics
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概要
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The object of this study was to develop hydroxypropyl methylcellulose (HPMC) based cephalexin extended release tablet, which can release the drug for six hours in predetermined rate. Twenty-one batches of cephalexin tablets were prepared by changing various physical and chemical parameters, in order to get required theoretical release profile. The influences of HPMC, microcrystalline cellulose powder (MCCP), granulation technique, wetting agent and tablet hardness on cephalexin release from HPMC based extended release tablets were studied. The formulated tablets were also characterized by physical and chemical parameters. The dissolution results showed that a higher amount of HPMC in tablet composition resulted in reduced drug release. Addition of MCCP resulted in faster drug release. Tablets prepared by dry granulation was released the drug slowly than the same prepared with a wet granulation technique. Addition of wetting agent in the tablets prepared with dry granulation technique showed slower release. An increase in tablet hardness resulted in faster drug release. Tablets prepared with a wet granulation technique and having a composition of 9.3% w/w HPMC with a hardness of 10-12 kg/cm^2 gave predicted release for 6 h. The in vitro release data was well fit in to Higuchi and Korsmeyer-Peppas model. Physical and chemical parameters of all formulated tablets were within acceptable limits. One batch among formulated twenty-one batches was successful and showed required theoretical release. The effect of storage on in vitro release and physicochemical parameters of successful batch was studied and was found to be in acceptable limits.
- 公益社団法人日本薬学会の論文
- 2003-08-01
著者
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Saravanan Muniyandy
Department Of Pharmaceutics Vels College Of Pharmacy
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Saravanan Muniyandy
Department Of Pharmaceutical Chemistry And Pharmacology Vel's College Of Pharmacy
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Saravanan Muniyandy
Department Of Pharmaceutics Vel's College Of Pharmacy
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Sri Nataraj
Department of Pharmaceutics, Vel's College of Pharmacy
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Ganesh Kettavarampalayam
Shelys Pharmaceuticals Limited
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Sri Nataraj
Department Of Pharmaceutics Vel's College Of Pharmacy
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NATARAJ Kalakonda
Department of Pharmaceutics, Vels College of Pharmacy
関連論文
- Hydroxypropyl Methylcellulose Based Cephalexin Extended Release Tablets: Influence of Tablet Formulation, Hardness and Storage on in Vitro Release Kinetics
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