Abstract
Background: Ethosomes, a novel type of percutaneous drug delivery carrier with a lipid bilayer structure, penetrate the skin barrier due to their deformability and malleability, and presence of ethanol that fluidizes lipids in the skin. In order to further enhance the delivery of drugs through the skin, penetration enhancers are widely used.
Objective: The objective of this work was to develop an optimized formulation of lornoxicam ethosomal gels, investigate skin permeability with the addition of penetration enhancers, and evaluate the invivo pharmacodynamics of these formulations.
Methods: Lornoxicam ethosomes were prepared by the ethanol injection method and optimized using the orthogonal design method. Lornoxicam ethosomal gels with enhancers were prepared and optimized using in-vitro transdermal delivery experiments. Experiments on lornoxicam ethosomal gels containing various enhancers such as azone, menthol, lauryl alcohol, and oleic acid were conducted using vertical Franz diffusion cells to measure the percutaneous permeability of the different formulations. Furthermore, the in-vivo analgesic effects of the optimized lornoxicam ethosomal gels were examined using the hot-plate and acetic acid-induced writhing tests. Anti-inflammatory activity was investigated using the dimethylbenzene-induced mouse ear swelling method.
Results: The results showed that compared to other formulations, the optimized lornoxicam ethosomal gels with 5 % menthol significantly increased transdermal penetration. Meanwhile, the optimized lornoxicam ethosomal gels showed remarkably anti-nociceptive and anti-inflammatory activity compared with the plain lornoxicam gels.
Conclusion: These results suggest that the optimized ethosomal gel formulated in this study is a promising lornoxicam carrier in transdermal delivery systems to enhance anti-nociceptive and antiinflammatory efficiency.
Keywords: Ethosomal gels, enhancers, transdermal delivery, analgesic, lornoxicam, anti-inflammatory activity.
Current Drug Delivery
Title:Formulation Optimization and In-vitro and In-vivo Evaluation of Lornoxicam Ethosomal Gels with Penetration Enhancers
Volume: 15 Issue: 3
Author(s): Keke Li, Shanshan Gao, Baocheng Tian, Yanan Shi, Qingzhi Lv and Jingtian Han*
Affiliation:
- School of Pharmacy, Binzhou Medical University, Yantai,China
Keywords: Ethosomal gels, enhancers, transdermal delivery, analgesic, lornoxicam, anti-inflammatory activity.
Abstract: Background: Ethosomes, a novel type of percutaneous drug delivery carrier with a lipid bilayer structure, penetrate the skin barrier due to their deformability and malleability, and presence of ethanol that fluidizes lipids in the skin. In order to further enhance the delivery of drugs through the skin, penetration enhancers are widely used.
Objective: The objective of this work was to develop an optimized formulation of lornoxicam ethosomal gels, investigate skin permeability with the addition of penetration enhancers, and evaluate the invivo pharmacodynamics of these formulations.
Methods: Lornoxicam ethosomes were prepared by the ethanol injection method and optimized using the orthogonal design method. Lornoxicam ethosomal gels with enhancers were prepared and optimized using in-vitro transdermal delivery experiments. Experiments on lornoxicam ethosomal gels containing various enhancers such as azone, menthol, lauryl alcohol, and oleic acid were conducted using vertical Franz diffusion cells to measure the percutaneous permeability of the different formulations. Furthermore, the in-vivo analgesic effects of the optimized lornoxicam ethosomal gels were examined using the hot-plate and acetic acid-induced writhing tests. Anti-inflammatory activity was investigated using the dimethylbenzene-induced mouse ear swelling method.
Results: The results showed that compared to other formulations, the optimized lornoxicam ethosomal gels with 5 % menthol significantly increased transdermal penetration. Meanwhile, the optimized lornoxicam ethosomal gels showed remarkably anti-nociceptive and anti-inflammatory activity compared with the plain lornoxicam gels.
Conclusion: These results suggest that the optimized ethosomal gel formulated in this study is a promising lornoxicam carrier in transdermal delivery systems to enhance anti-nociceptive and antiinflammatory efficiency.
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Cite this article as:
Li Keke , Gao Shanshan, Tian Baocheng, Shi Yanan, Lv Qingzhi and Han Jingtian *, Formulation Optimization and In-vitro and In-vivo Evaluation of Lornoxicam Ethosomal Gels with Penetration Enhancers, Current Drug Delivery 2018; 15 (3) . https://dx.doi.org/10.2174/1567201815666171207163010
DOI https://dx.doi.org/10.2174/1567201815666171207163010 |
Print ISSN 1567-2018 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5704 |
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