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Li M, Wang Q, Chen N, Yao S, Sun X, Quan P, Chen Y. Probing Pharmaceutical Strategies to Promote the Skin Delivery of Asiatic Acid from Hydrogels: Enhancement Effects of Organic Amine Counterions, Chemical Enhancers, and Microneedle Pretreatment. Pharmaceutics 2022; 14:pharmaceutics14112532. [PMID: 36432722 PMCID: PMC9697078 DOI: 10.3390/pharmaceutics14112532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/15/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Asiatic acid (AA) is a pentacyclic triterpene isolated from Centella asiatica, holding great promise for treating a variety of skin disorders. However, the dermal application of AA is limited by its poor solubility and permeability. This study aimed to identify a hydrogel formulation for AA and improve its skin penetration by various penetration enhancement methods. Four kinds of hydrogel bases were selected to prepare the AA hydrogel, in which different organic amines and chemical enhancers were incorporated in combination with microneedle pretreatment. The results showed that AA had good release profiles in the presence of hyaluronic acid as the hydrogel base and organic amines as the counter-ions. Diethylamine and Span 80 could promote drug penetration into the skin, and pretreatment with microneedles could further increase the drug permeability. In conclusion, the optimized hyaluronic acid hydrogel has great potential for use in the topical delivery of AA, and its penetration via the skin can be further improved by different pharmaceutical approaches.
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Affiliation(s)
- Mingming Li
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Qiuyue Wang
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Naiying Chen
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Sicheng Yao
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Xinxing Sun
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Peng Quan
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
- Correspondence: (P.Q.); (Y.C.)
| | - Yang Chen
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang 110122, China
- Correspondence: (P.Q.); (Y.C.)
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Zhang L, Xie J, Liu C, Sun Y, Zhang P. Comparison of percutaneous permeation profiles of flurbiprofen enantiomers. Chirality 2022; 34:894-900. [PMID: 35411968 DOI: 10.1002/chir.23441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/13/2022] [Accepted: 03/14/2022] [Indexed: 11/12/2022]
Abstract
Flurbiprofen is clinically effective for the treatment of acute or long-term rheumatoid arthritis and osteoarthritis. Studies showed that S-flurbiprofen had better anti-inflammatory effect than R-flurbiprofen. As flurbiprofen racemates are usually used in the form of transdermal preparations, such as Flurbiprofen Cataplasms (Zepolas), it is of great significance to investigate the percutaneous permeation profiles of flurbiprofen enantiomers for considering whether it is necessary to develop the transdermal preparation with single optical enantiomer. Taking the economy into consideration, the flurbiprofen enantiomers as the mode drug and the CHIRALPAKAAGP column we had as instrument were used to perform the following experiments. On the basis of experiences provided by predecessors, we made some improvements to the analytical conditions, and method validation was developed to verify the feasibility of the method. The results showed that the established method could be used to analyze the percutaneous permeation profiles of flurbiprofen enantiomers in the flurbiprofen cataplasms accurately and effectively, and the percutaneous permeation profiles of flurbiprofen enantiomers had no significantly difference no matter under what conditions (P > 0.05).
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Affiliation(s)
- Lijing Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Jiao Xie
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Cheng Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yinghua Sun
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Peng Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
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Chang E, Hogstrand C, Miller TH, Owen SF, Bury NR. The Use of Molecular Descriptors To Model Pharmaceutical Uptake by a Fish Primary Gill Cell Culture Epithelium. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:1576-1584. [PMID: 30589539 PMCID: PMC6503469 DOI: 10.1021/acs.est.8b04394] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Modeling approaches such as quantitative structure-activity relationships (QSARs) use molecular descriptors to predict the bioavailable properties of a compound in biota. However, these models have mainly been derived based on empirical data for lipophilic neutral compounds and may not predict the uptake of ionizable compounds. The majority of pharmaceuticals are ionizable, and freshwaters can have a range of pH values that affect speciation. In this study, we assessed the uptake of 10 pharmaceuticals (acetazolamide, beclomethasone, carbamazepine, diclofenac, gemfibrozil, ibuprofen, ketoprofen, norethindrone, propranolol, and warfarin) with differing modes of action and physicochemical properties (p Ka, log S, log D, log Kow, molecular weight (MW), and polar surface area (PSA)) by an in vitro primary fish gill cell culture system (FIGCS) for 24 h in artificial freshwater. Principal component analysis (PCA) and partial least-squares (PLS) regression was used to determine the molecular descriptors that influence the uptake rates. Ionizable drugs were taken up by FIGCS; a strong positive correlation was observed between log S and the uptake rate, and a negative correlation was observed between p Ka, log D, and MW and the uptake rate. This approach shows that models can be derived on the basis of the physicochemical properties of pharmaceuticals and the use of an in vitro gill system to predict the uptake of other compounds. There is a need for a robust and validated model for gill uptake that could be used in a tiered risk assessment to prioritize compounds for experimental testing.
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Affiliation(s)
- Elisabeth
D. Chang
- King’s
College London, Department of Nutritional
Sciences, Franklin Wilkins Building, 150 Stamford Street, London, SE1 9NH, United Kingdom
| | - Christer Hogstrand
- King’s
College London, Department of Nutritional
Sciences, Franklin Wilkins Building, 150 Stamford Street, London, SE1 9NH, United Kingdom
- E-mail:
| | - Thomas H. Miller
- King’s
College London, Department of Analytical,
Environmental and Forensic Sciences, Franklin Wilkins Building, 150 Stamford Street, London, SE1 9NH, United Kingdom
| | - Stewart F. Owen
- AstraZeneca, Global Safety, Health & Environment, Alderley Park, Macclesfield, Cheshire SK10 4TF, United Kingdom
| | - Nic R. Bury
- King’s
College London, Department of Nutritional
Sciences, Franklin Wilkins Building, 150 Stamford Street, London, SE1 9NH, United Kingdom
- University
of Suffolk, School of Science,
Technology and Engineering, James Hehir Building, University Quays, Ipswich, Suffolk IP3 0AQ, United Kingdom
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Comparative study of photodynamic activity of methylene blue in the presence of salicylic acid and curcumin phenolic compounds on human breast cancer. Lasers Med Sci 2018; 34:239-246. [DOI: 10.1007/s10103-018-2571-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 06/21/2018] [Indexed: 11/30/2022]
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Liu N, Song W, Song T, Fang L. Design and Evaluation of a Novel Felbinac Transdermal Patch: Combining Ion-Pair and Chemical Enhancer Strategy. AAPS PharmSciTech 2016; 17:262-71. [PMID: 26070544 PMCID: PMC4984900 DOI: 10.1208/s12249-015-0342-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Accepted: 05/23/2015] [Indexed: 11/30/2022] Open
Abstract
The aim of this study was to design a novel felbinac (FEL) patch with significantly higher (P < 0.05) skin permeation amount than the commercial product SELTOUCH® using ion-pair and chemical enhancer strategy, overcoming the disadvantage of the large application area of SELTOUCH®. Six complexes of FEL with organic amines diethylamine (DEA), triethylamine (TEA), N-(2'-hydroxy-ethanol)-piperdine (HEPP), monoethanolamine (MEtA), diethanolamine (DEtA), and triethanolamine (TEtA) were prepared by ion-pair interaction, and their formation were confirmed by differential scanning calorimetry (DSC), powder X-ray diffraction (pXRD), infared spectroscopy (IR), and proton nuclear magnetic resonance spectroscopy ((1)H-NMR). Subsequently, the effect of ion-pair complexes and chemical enhancers were investigated through in vitro and in vivo experiments using rabbit abdominal skin. Results showed that FEL-TEA was the most potential candidate both in isopropyl palmitate (IPP) solution and transdermal patches. Combining use of 10% N-dodecylazepan-2-one (Azone), the optimized FEL-TEA patch achieved a flux of 18.29 ± 2.59 μg/cm(2)/h, which was twice the amount of the product SELTOUCH® (J = 9.18 ± 1.26 μg/cm(2)/h). Similarly, the area under the concentration curve from time 0 to time t (AUC0-t ) in FEL-TEA patch group (15.94 ± 3.58 h.μg/mL) was also twice as that in SELTOUCH® group (7.31 ± 1.16 h.μg/mL). Furthermore, the in vitro skin permeation results of FEL-TEA patch was found to have a good correlation with the in vivo absorption results in rabbit. These findings indicated that a combination of ion-pair and chemical enhancer strategy could be useful in developing a novel transdermal patch of FEL.
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Affiliation(s)
- Nannan Liu
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China
| | - Wenting Song
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China
| | - Tian Song
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China
| | - Liang Fang
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China.
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