Formulation, Development and Evaluation of Gastroretentive Sustained Release Tablets of Lansoprazole Using Natural Polymer
Abstract
The goal of this study is to develop a long-acting Lansoprazole delivery system. Lansoprazole belongs to a class of antisecretory drugs known as substituted benzimidazoles, which decrease gastric acid secretion by inhibiting the (H+,K+)-ATPase enzyme system at the secretory membrane of the stomach parietal cell. Due to its mechanism of action, despite its short half-life of 1-5 hours, it can effectively block acid secretion for 24 hours. However, as his plasma concentration falls, the effect will diminish. Lansoprazole will be given as a sustained release tablet to avoid multiple dosing or to reduce the frequency of dose. Lansoprazole was produced and analysed utilizing natural and synthetic polymers such as Xanthan gum, Gellan gum, Carbopol 940 P, and Chitosan. Based on the findings of this experiment, it was determined that formulation F7 demonstrated sustained drug release for up to 12 hours in all developed formulations. Formulation (F1, F2, F3, F4, F5, and F6) were tested in vitro for drug release. For the improved formulation F7, the formulation and release kinetics were estimated. When the regression coefficient values of were evaluated, it was found that Peppas had the highest ‘r2' value, 0.952, indicating that drug release from formulations followed Peppas release kinetics.
Key words: Lansoprazole, Sustain release tablets, Synthetic and Natural Polymers, formulation, evaluation
Keywords:
Lansoprazole, Sustain release tablets, Synthetic and Natural Polymers, formulation, evaluationDOI
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