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Abstract

Pharmacokinetic Study of Abacavir Sulphate Loaded Niosomes and Proniosomes in Rats

Author(s): A. Helen Sonia, R. Sambath Kumar*, K. Ruckmani, M. Gover Antoniraj, V. M. Nallasamy, C. Kannan and M. Sudha
Department of Pharmaceutics, S.A. Raja Pharmacy College, Tirunelveli 627116, 1Department of Pharmaceutics, J. K. K. Nattraja College of Pharmacy, Namakkal 638183, 2Department of Pharmaceutical Technology, Anna University, Tiruchirappalli 620024, 3Department of Pharmacology, J.K.K. Nattraja College of Pharmacy, Namakkal 638183, Tamil Nadu, India

Correspondence Address:
R. Sambath Kumar, Department of Pharmaceutics, S.A. Raja Pharmacy College, Tirunelveli 627116, India, E-mail: [email protected]


The plasma pharmacokinetic study of abacavir sulphate was investigated after oral administration of free abacavir sulphate solution, freshly prepared niosomal and proniosomal abacavir sulphate dispersions. The abacavir sulphate loaded niosome vesicles were prepared by the thin-film hydration method and proniosomes were prepared by the slurry method using tween 60 as surfactant cholesterol as a membrane stabilizer and dicetyl phosphate as a negative charge inducer. Maltodextrin was used as a carrier in the proniosome formulations. The formulations were evaluated for various evaluation parameters such as drug-polymer interaction, phase identification analysis and in vivo pharmacokinetic study. The comparative pharmacokinetics of free, niosome encapsulated and proniosome encapsulated abacavir sulphate was evaluated in rats at a dose of 8.57 mg/kg of abacavir sulphate. The results of niosome and proniosome encapsulated abacavir sulphate showed a significant increase in bioavailability and prolonged release characteristics. Increased half-life of 3.40 h in the case of niosomes and 4.88 h in the case of proniosomes were observed. Based on the results, it can be concluded that niosomal and proniosomal formulation could be a promising delivery system for abacavir sulphate with improved oral bioavailability and prolonged drug release profiles.

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