Sun, 17 Dec 2017

Formulation Optimization of A Floating Once-Daily Matrix Tablet of Ofloxacin

Nityananda Mondal1 *, Gouranga Nandi1, Sudeshna Acharya1, Bijan Kumar Gupta1

1.BCDA College of Pharmacy & Technology, 78, Jessore Road (S), Hridaypur, Barasat, Kolkata – 700 127, India


ABSTRACT

The purpose of the present study was to develop an optimized gastric floating once-daily matrix tablet of ofloxacin (FERMTs) using  hydrophilic polymers such as HPMC K4M, HPMC 100M, isapagulha husk and sodium bicarbonate as buoyancy contributer. The formulation of FERMTs were designed by 23full factorial design taking amount of HPMC K4M, HPMC 100M and sodium bicarbonate as formulation variables and prepared by wet granulation method. The FERMTs were then evaluated for hardness, friability, weight variation, content uniformity, in vitro drug release and floating capacity. Finally, the floating lag time (FLT) and cumulative % drug release at 4h, 8h, 12h and 16h were taken as response variables and the FERMT formulation was numerically optimized by 23full factorial design using Design-Expert software (version 8.1). The optimized formula showed excellent floating efficiency over a 16 h period with FLT of 2.80 mins and drug release over a period of 16 hour. Analysis of dissolution data showed that the kinetic of drug release followed Korsemeyer-peppas model.

Keywords:  Floating tablet; Extended-release; Factorial design; Ofloxacin


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