OPTIMIZATION FORMULATION AND EVALUATION OF SUSTAINED RELEASE TABLETS OF ASPIRIN AND ATORVASTATIN
About Authors:
Kalpen N. Patel*, Maulika S. Patel, Divya Thakkar, Manan Patel, Kaushal Raval
Shree Krishna Institute of Pharmacy, Shankhalpur,
Bechraji, Mahesana, Gujarat, India.
*kalpenpharma@gmail.com
ABSTRACT
Sustained releases tablets have been used for reduced the dosing frequency and maintain the plasma drug concentration level within narrow therapeutic range. Aspirin used as antiplatelate agent and Atorvastatin is HMG-CoA reductase inhibitor which lowers the plasma concentration of cholesterol. Here in present study sustained release tablets of Aspirin and Atorvastatin prepared by using cellulose acetate phthalate (CAP) and microcrystalline cellulose (MCC) as a polymers. The sustain release tablet of Aspirin And Atorvastatin were prepared by wet granulation method and were substituted for film coating to mask the spotting from Atorvastatin and for protection from light. From the dissolution profile of F2B2 gives controlling the release up to 12 hrs with required value i.e. - 55.85 % for Aspirin and 54.78 % for Atorvastatin in 4 hrs respectively and 100.70 % for Aspirin and 100.60 % for Atorvastatin in 12 hrs respectively. The result of stability studies of batch F2B2 indicate that it is stable at 400C / 75 % ±0.5 % relative humidity as there was no significant differences observe for dissolution and average drug content data after two months.