The prepared pellets were free flowing, white in color, uniform in appearance and with slightly rough surface. The drug content was consistent in all batches. The drug
loaded pellets were selleck coated with rate retarding polymer ethyl cellulose N50 and film forming agent HPMC E5. The pellets were filled in hard gelatin capsule and evaluated for in vitro drug release study. Multiunit particulate drug delivery system gives unique release pattern. Multi-particulate drug delivery was developed employing pan coating technology as these systems provide inhibitors advantages over single unit systems because of their small size. Developed pellets achieved the targets of present study, such as increased residence time, sustained release profile, reduction in frequency of administration, and thus improve patient compliance. Aim of the work was to formulate and evaluate
the aceclofenac pellets employing pan coating technology. The influence of rate retarding polymer, ethyl cellulose in combination with film forming agent, HPMC in different weight ratios on drug release kinetics was studied. Six formulations were prepared by varying ratio of drug and polymer. F6 was found to be best formulation which showed 96.516% of drug release in 28 h and it was compared with marketed sustained release product of aceclofenac. The in vitro dissolution http://www.selleckchem.com/products/jq1.html studies of aceclofenac from the sustained release pellets were carried out in pH 6.8 phosphate buffer using heptaminol USP type I apparatus. Statistically significant differences
were found among the drug release profile from different formulations. The kinetic study revealed that the release of drug from pellets appeared to follow first order kinetics and the pharmacological evaluations showed that it has significant analgesic activity. As MP oral drug delivery system offers several advantages such as rapid absorption, reducing peak plasma fluctuation and ease of administration and termination of therapy, sustained release pellets of ACE were prepared with the objective of avoiding first pass metabolism and controlling the release of drug for prolonged period of time employing solution/suspension layering technology. In the present research, FT-IR studies indicated the compatibility of drug with the formulation excipients. The flow properties evaluated showed that the optimized formulation have passable flow properties and the pharmacological evaluations showed that it has significant analgesic activity. All authors have none to declare. The authors would like to thank Suyash Laboratories Ltd, Mumbai, for providing the gift sample of ACE. “
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