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Tropical Journal of Pharmaceutical Research

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Development and Evaluation of Orally Disintegrating Tablets of Montelukast Sodium by Direct Compression Method

MT Usmani, MH Shoaib, MI Nasiri, RI Yousuf, K Zaheer, K Ahmed

Abstract


Purpose: To design an orally disintegrating montelukast sodium tablet (ODT) that disintegrates in the oral cavity leaving an easy-to-swallow residue especially for pediatric and elderly patients who have difficulty swallowing tablets.
Methods: Two different formulations of montelukast sodium (5 mg) orally disintegrating tablets were designed and manufactured by direct compression method, using microcrystalline (Avicel PH-102), mannitol, sodium bicarbonate, crospovidone and magnesium stearate as key excipients, and with cherry flavor and aspartame as flavor and sweetener, respectively. These formulations were then evaluated using pharmacopoeial and non-pharmacopoeial physical and chemical tests. Dissolution and assay tests were performed using USP apparatus II and ultraviolet (UV) spectrophotometry, respectively. Formulations with better results were further subjected for optimization study using central composite design method.
Results: The results of prototype formulation batch (Trial-02) and the finest optimization formulation batch (FOB-01) reflected the successful development of new formulation of orally disintegrating montelukast sodium 5 mg tablet by direct compression technique. The value of similarity factor (f2 > 50), indicating that both formulations have similar drug release profiles. The formulations were further evaluated for three and six months under accelerated conditions to ascertain their stability.
Conclusion: The results obtained demonstrate the suitability of the formulation as an ODT for convenient delivery of montelukast sodium for asthmatic patients. However, clinical studies are required to confirm this.

Keywords: Orally disintegrating tablets, Asthma, Disintegration, Dissolution, Montelukast sodium




http://dx.doi.org/10.4314/tjpr.v14i1.1
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