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Abstract
Aim: The aim is improving the antihyperlipidemic activity of Rosuvastatin Calcium (Rs) through improving its solubility using self-nanoemulsifying drug delivery system (SNEDDS) containing natural oil full of unsaturated fatty acid and omega 3.
Methods: A 7 × 32 full factorial design was adopted for optimization of oil ratio, Surfactant: Co-surfactant (S:CoS) ratio and oil:S/CoS ratio. Ternary phase diagrams were constructed for optimizing the system with drug loading (10 and 20%). The optimized SNEDD systems were evaluated according to their physical evaluation and drug release. Furthermore, the anti-hyperlipidemia efficacy was compared with commercially marketed product on rates followed by clinical study.
Results: The system containing Tween 80:PEG 400 (3:1) and olive oil:garlic oil (1:1) as an oily phase has droplet size less than 100 nm, ZP (+23.43 ± 2.58 mV), PDI (<0.02) and cloud point (>90 °C). In vitro drug release studies showed remarkable enhancement of the Rs release from Rs-SNEDDS. The antihyperlipidemic effect of Rs-SNEDDS is greater than that of the commercial tablets and the pure drug on rates and in hyperlipidemic patients.
Conclusion: Rs-SNEDDS is a promising drug delivery system for improving the drug solubility and antihyperlipidemic effect using natural oils as (olive oil and garlic oil).
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.