A nanohybrid system for taste masking of sildenafil
Ji-Hee Lee1,*, Goeun Choi1,*, Yeon-Ji Oh1, Je Won Park1, Young Bin Choy3, Mung Chul Park1, Yeo Joon Yoon1, Hwa Jeong Lee2, Hee Chul Chang4, Jin-Ho Choy1 1Center for Intelligent Nano-Bio Materials (CINBM), Department of Bioinspired Science and Department of Chemistry and Nano Science, 2Division of Li...
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Dove Medical Press
2012
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oai:doaj.org-article:a979b70e76fb4dabbc4d8a5f316347ff2021-12-02T02:06:53ZA nanohybrid system for taste masking of sildenafil1176-91141178-2013https://doaj.org/article/a979b70e76fb4dabbc4d8a5f316347ff2012-03-01T00:00:00Zhttp://www.dovepress.com/a-nanohybrid-system-for-taste-masking-of-sildenafil-a9562https://doaj.org/toc/1176-9114https://doaj.org/toc/1178-2013Ji-Hee Lee1,*, Goeun Choi1,*, Yeon-Ji Oh1, Je Won Park1, Young Bin Choy3, Mung Chul Park1, Yeo Joon Yoon1, Hwa Jeong Lee2, Hee Chul Chang4, Jin-Ho Choy1 1Center for Intelligent Nano-Bio Materials (CINBM), Department of Bioinspired Science and Department of Chemistry and Nano Science, 2Division of Life and Pharmaceutical Sciences and College of Pharmacy, Ewha Womans University, Seoul, Korea; 3Department of Biomedical Engineering, College of Medicine and Institute of Medical and Biological Engineering, Medical Research Center, Seoul National University, Seoul, Korea; 4Global Strategy Center and Pharmaceutical Research Institute, Daewoong Pharmaceutical Co., Ltd., Seoul, Korea*These authors contributed equally to this workAbstract: A nanohybrid was prepared with an inorganic clay material, montmorillonite (MMT), for taste masking of sildenafil (SDN). To further improve the taste-masking efficiency and enhance the drug-release rate, we coated the nanohybrid of SDN–MMT with a basic polymer, polyvinylacetal diethylaminoacetate (AEA). Powder X-ray diffraction and Fourier transform infrared experiments showed that SDN was successfully intercalated into the interlayer space of MMT. The AEA-coated SDN–MMT nanohybrid showed drug release was much suppressed at neutral pH (release rate, 4.70 ± 0.53%), suggesting a potential for drug taste masking at the buccal cavity. We also performed in vitro drug release experiments in a simulated gastric fluid (pH = 1.2) and compared the drug-release profiles of AEA-coated SDN–MMT and Viagra®, an approved dosage form of SDN. As a result, about 90% of SDN was released from the AEA-coated SDN–MMT during the first 2 hours while almost 100% of drug was released from Viagra®. However, an in vivo experiment showed that the AEA-coated SDN–MMT exhibited higher drug exposure than Viagra®. For the AEA-coated SDN–MMT, the area under the plasma concentration–time curve from 0 hours to infinity (AUC0-∞) and maximum concentration (Cmax) were 78.8 ± 2.32 µg • hour/mL and 12.4 ± 0.673 µg/mL, respectively, both of which were larger than those obtained with Viagra® (AUC0-∞ = 69.2 ± 3.19 µg • hour/mL; Cmax = 10.5 ± 0.641 µg/mL). Therefore, we concluded that the MMT-based nanohybrid is a promising delivery system for taste masking of SDN with possibly improved drug exposure.Keywords: montmorillonite, nanohybrids, polyvinylacetal diethylaminoacetate, sildenafil citrate, taste maskingLee JHChoi GOh YJPark JWChoy YBPark MCYoon YJLee HJChang HCChoy JHDove Medical PressarticleMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol 2012, Iss default, Pp 1635-1649 (2012) |
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Medicine (General) R5-920 |
| spellingShingle |
Medicine (General) R5-920 Lee JH Choi G Oh YJ Park JW Choy YB Park MC Yoon YJ Lee HJ Chang HC Choy JH A nanohybrid system for taste masking of sildenafil |
| description |
Ji-Hee Lee1,*, Goeun Choi1,*, Yeon-Ji Oh1, Je Won Park1, Young Bin Choy3, Mung Chul Park1, Yeo Joon Yoon1, Hwa Jeong Lee2, Hee Chul Chang4, Jin-Ho Choy1 1Center for Intelligent Nano-Bio Materials (CINBM), Department of Bioinspired Science and Department of Chemistry and Nano Science, 2Division of Life and Pharmaceutical Sciences and College of Pharmacy, Ewha Womans University, Seoul, Korea; 3Department of Biomedical Engineering, College of Medicine and Institute of Medical and Biological Engineering, Medical Research Center, Seoul National University, Seoul, Korea; 4Global Strategy Center and Pharmaceutical Research Institute, Daewoong Pharmaceutical Co., Ltd., Seoul, Korea*These authors contributed equally to this workAbstract: A nanohybrid was prepared with an inorganic clay material, montmorillonite (MMT), for taste masking of sildenafil (SDN). To further improve the taste-masking efficiency and enhance the drug-release rate, we coated the nanohybrid of SDN–MMT with a basic polymer, polyvinylacetal diethylaminoacetate (AEA). Powder X-ray diffraction and Fourier transform infrared experiments showed that SDN was successfully intercalated into the interlayer space of MMT. The AEA-coated SDN–MMT nanohybrid showed drug release was much suppressed at neutral pH (release rate, 4.70 ± 0.53%), suggesting a potential for drug taste masking at the buccal cavity. We also performed in vitro drug release experiments in a simulated gastric fluid (pH = 1.2) and compared the drug-release profiles of AEA-coated SDN–MMT and Viagra®, an approved dosage form of SDN. As a result, about 90% of SDN was released from the AEA-coated SDN–MMT during the first 2 hours while almost 100% of drug was released from Viagra®. However, an in vivo experiment showed that the AEA-coated SDN–MMT exhibited higher drug exposure than Viagra®. For the AEA-coated SDN–MMT, the area under the plasma concentration–time curve from 0 hours to infinity (AUC0-∞) and maximum concentration (Cmax) were 78.8 ± 2.32 µg • hour/mL and 12.4 ± 0.673 µg/mL, respectively, both of which were larger than those obtained with Viagra® (AUC0-∞ = 69.2 ± 3.19 µg • hour/mL; Cmax = 10.5 ± 0.641 µg/mL). Therefore, we concluded that the MMT-based nanohybrid is a promising delivery system for taste masking of SDN with possibly improved drug exposure.Keywords: montmorillonite, nanohybrids, polyvinylacetal diethylaminoacetate, sildenafil citrate, taste masking |
| format |
article |
| author |
Lee JH Choi G Oh YJ Park JW Choy YB Park MC Yoon YJ Lee HJ Chang HC Choy JH |
| author_facet |
Lee JH Choi G Oh YJ Park JW Choy YB Park MC Yoon YJ Lee HJ Chang HC Choy JH |
| author_sort |
Lee JH |
| title |
A nanohybrid system for taste masking of sildenafil |
| title_short |
A nanohybrid system for taste masking of sildenafil |
| title_full |
A nanohybrid system for taste masking of sildenafil |
| title_fullStr |
A nanohybrid system for taste masking of sildenafil |
| title_full_unstemmed |
A nanohybrid system for taste masking of sildenafil |
| title_sort |
nanohybrid system for taste masking of sildenafil |
| publisher |
Dove Medical Press |
| publishDate |
2012 |
| url |
https://doaj.org/article/a979b70e76fb4dabbc4d8a5f316347ff |
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