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Development and evaluation of pharmacosomes of aceclofenac

Author(s): A Semalty1, Mona Semalty1, BS Rawat1, D Singh2, M S.M Rawat2
1Department of Pharmaceutical Sciences, H. N. B. Garhwal University, Srinagar (Garhwal)-246 174, India 2Department of Chemistry, H. N. B. Garhwal University, Srinagar (Garhwal)-246 174, India

Correspondence Address:
A Semalty Department of Pharmaceutical Sciences, H. N. B. Garhwal University, Srinagar (Garhwal)-246 174 India E-mail: [email protected]

Pharmacosomes are amphiphilic lipid vesicular systems containing phospholipid complexes with a potential to improve bioavailability of poorly water soluble as well as poorly lipophilic drugs. To improve the water solubility, bioavailability and minimize the gastrointestinal toxicity of aceclofenac, its pharmacosomes were prepared. Aceclofenac was complexed with phosphatidylcholine (80%) in two different ratios (1:1 and 2:1) using conventional solvent evaporation technique. Pharmacosomes thus prepared were subjected to solubility and drug content evaluation, scanning electron microscopy, differential scanning calorimetry, X ray powder diffraction and in vitro dissolution study. Pharmacosomes of aceclofenac were found to be disc shaped with rough surface in scanning electron microscopy. Drug content was found to be 91.88% (w/w) for aceclofenac phospholipid complex (1:1) and 89.03% (w/w) aceclofenac-phospholipid complex (2:1). Differential scanning calorimetric thermograms and X ray powder diffraction datas confirmed the formation of phospholipid complex. Solubility and dissolution profile of the prepared complex was found to be much better than aceclofenac.

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