Development and Characterization of In Situ Ophthalmic Gel of Bepotastine Besilate

  • Lajri Garge
  • Ravindranath B Saudagar

Abstract

The aim of the present work was development and characterization of  in-situ Ophthalmic Gel of  Bepotastine Besilate to overcome the drawbacks obtained by conventional eye drop. There are two independent variables were used i.e. Carbopol 934 and HPMC K100. Carbopol 934 were used as gelling agent and HPMC K100 were used as bioadhesive polymer. The in situ gelling system involves sol-to-gel transition in the cul-de-sac upon instillation to avoid pre corneal elimination. The formulations were prepared by 32 factorial design. The prepared formulations were evaluated for Clarity, pH, Viscosity, Bioadhesive strength of gel, Gel strength , Drug Content, In-vitro Drug Release Study,  Isotonicity Evaluation, HET-CAM Test and stability studies. The drug content was in the range of 97-99.57 %. Formulation F5 selected as optimized on the basis of evaluation. It shows highest drug release upto 8 hours. It shows good antihistaminic activity against Staphylococcus aureus. The optimized formulation was isotonic with blood cells. It passes sterility test. The optimized formulation passes the ocular irritancy test i.e. HET-CAM Test. The formulation kept for the stability study for 3 months. Short term stability study indicates that room temperature 400±20 was appropriate storage condition for formulations.


Keywords:  pH Triggered, bioadhesive polymer, Carbopol 934, HPMC K100, HET-CAM Test , Isotonicity Evaluation.

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Garge L, Saudagar RB. Development and Characterization of In Situ Ophthalmic Gel of Bepotastine Besilate. JDDT [Internet]. 30Aug.2019 [cited 29Oct.2020];9(4-A):656-63. Available from: http://www.jddtonline.info/index.php/jddt/article/view/3547