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Tanaka Y, Arai H, Hidaka A, Noda S, Imai K, Tsujisawa F, Yagi H, Sakuma S. In Vitro Digestion-In Situ Absorption Setup Employing a Physiologically Relevant Value of the Membrane Surface Area/Volume Ratio for Evaluating Performance of Lipid-Based Formulations: A Comparative Study with an In Vitro Digestion-Permeation Model. Mol Pharm 2024; 21:3459-3470. [PMID: 38809159 DOI: 10.1021/acs.molpharmaceut.4c00161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
The aim of this study is to establish and test an in vitro digestion-in situ absorption model that can mimic in vivo drug flux by employing a physiologically relevant value of the membrane surface area (S)/volume (V) ratio for accurate prediction of oral drug absorption from lipid-based formulations (LBFs). Three different types of LBFs (Type IIIA-MC, Type IIIA-LC, and Type IV) loaded with cinnarizine (CNZ), a lipophilic weak base with borderline permeability, and a control suspension were prepared. Subsequently, a simultaneous in vitro digestion-permeation experiment was conducted using a side-by-side diffusion cell with a dialysis membrane having a low S/V value. During digestion, CNZ partially precipitated for Type IV, while it remained solubilized in the aqueous phase for Type IIIA-MC and Type IIIA-LC in the donor compartment. However, in vitro drug fluxes for Type IIIA-MC and Type IIIA-LC were lower than those for Type IV due to the reduced free fraction of CNZ in the donor compartment. In pharmacokinetic studies, a similar improvement in in vivo oral exposure relative to suspension was observed, regardless of the LBFs used. Consequently, a poor correlation was found between in vitro permeation and areas under the plasma concentration-time curve (AUCoral) (R2 = 0.087). A luminal concentration measurement study revealed that this discrepancy was attributed to the extremely high absorption rate of CNZ in the gastrointestinal tract compared to that across a dialysis membrane evaluated by the in vitro digestion-permeation model, i.e., the absorption of CNZ in vivo was completed regardless of the extent of the free fraction, owing to the rapid removal of CNZ from the intestine. Subsequently, we aimed to predict the oral absorption of CNZ from the same formulations using a model that demonstrated high drug flux by employing the physiologically relevant S/V value and rat jejunum segment as an absorption sink (for replicating in vivo intestinal permeability). Predigested formulations were injected into the rat intestinal loop, and AUCloop values were calculated from the plasma concentration-time profiles. A better correlation was found between AUCloop and AUCoral (R2 = 0.72), although AUCloop underestimated AUCoral for Type IV due to the precipitation of CNZ during the predigestion process. However, this result indicated the importance of mimicking the in vivo drug absorption rate in the predictive model. The method presented herein is valuable for the development of LBFs.
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Affiliation(s)
- Yusuke Tanaka
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Hinata Arai
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Aya Hidaka
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Saki Noda
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Ko Imai
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Fumiya Tsujisawa
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Haruya Yagi
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Shinji Sakuma
- Laboratory of Drug Delivery System, Faculty of Pharmaceutical Sciences, Setsunan University, 45-1 Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
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Yang D, Feng Y, Yao X, Zhao B, Li D, Liu N, Fang Y, Midgley A, Liu D, Katsuyoshi N. Recent advances in bioactive nanocrystal-stabilized Pickering emulsions: Fabrication, characterization, and biological assessment. Compr Rev Food Sci Food Saf 2023; 22:946-970. [PMID: 36546411 DOI: 10.1111/1541-4337.13096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 10/07/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022]
Abstract
Numerous literatures have shown the advantages of Pickering emulsion (PE) for the delivery of bioactive ingredients in the fields of food, medicine, and cosmetics, among others. On this basis, the multi-loading mode of bioactives (internal phase encapsulation and/or loading at the interface) in small molecular bioactives nanocrystal-stabilized PE (BNC-PE) enables them higher loading efficiencies, controlled release, and synergistic or superimposed effects. Therefore, BNC-PE offers an efficacious delivery system. In this review, we briefly summarize BNC-PE fabrication and characterization, with a focus on the processes of possible evolution and absorption of differentially applied BNC-PE when interacting with the body. In addition, methods of monitoring changes and absorption of BNC-PE in vivo, from the nanomaterial perspective, are also introduced. The purpose of this review is to provide an accessible and comprehensive methodology for the characterization and evaluation of BNC-PE after formulation and preparation, especially in relation to biological assessment and detailed mechanisms throughout the absorption process of BNC-PE in vivo.
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Affiliation(s)
- Dan Yang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
- School of Biomedical and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
| | - Yuqi Feng
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
- School of Biomedical and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
| | - Xiaolin Yao
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
- School of Biomedical and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
| | - Baofu Zhao
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
- School of Biomedical and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
| | - Dan Li
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
- School of Biomedical and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
| | - Ning Liu
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
- School of Biomedical and Pharmaceutical Science, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China
| | - Yapeng Fang
- Department of Food Science and Engineering, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Adam Midgley
- Key Laboratory of Bioactive Materials (MoE), College of Life Sciences, Nankai University, Tianjin, China
| | - Dechun Liu
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Nishinari Katsuyoshi
- Glyn O. Phillips Hydrocolloid Research Centre, School of Bioengineering and Food Science, Hubei University of Technology, Wuhan, China
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Tanaka Y. [Elucidation and Prediction of Absorption Behavior After Oral Administration of Poorly Water-Soluble Drugs as Different Lipid-Based Formulations]. YAKUGAKU ZASSHI 2023; 143:721-727. [PMID: 37661438 DOI: 10.1248/yakushi.23-00092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Lipid-based formulations (LBFs) are isotropic mixtures typically comprising lipids, surfactants, and/or co-solvents, in which drugs are pre-solubilized. After oral administration, LBFs are piggybacked into endogenous lipid digestion pathways. This triggers drug super-saturation and improves absorption. However, super-saturation poses a risk of drug precipitation, which generally leads to poor drug absorption. Furthermore, a series of aqueous colloidal species including digestion products (typically fatty acids and monoglycerides) and endogenous molecules (bile acids and phospholipids) increase the drug solubilization capacity of the intestinal fluid (compared with that of the normal intestinal fluid). However, the solubilization/precipitation behavior may change according to the LBF composition (e.g., the drug loading amount and type of formulation excipients), which may ultimately lead to differences in oral absorption. This review summarizes the results of the evaluation and prediction of the effect of LBFs composition on oral absorption and provides an in-depth understanding of the drug absorption mechanisms when using LBFs.
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Affiliation(s)
- Yusuke Tanaka
- Faculty of Pharmaceutical Sciences, Hiroshima International University
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Timur B, Usta DY, Teksin ZS. Investigation of the effect of colloidal structures formed during lipolysis of lipid-based formulation on exemestane permeability using the in vitro lipolysis-permeation model. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Tanaka Y, Doi H, Katano T, Kasaoka S. The impact of quantity of lipid based formulations with different compositions on the oral absorption of ritonavir: A trade-off between apparent solubility and permeability. Eur J Pharm Sci 2022; 168:106079. [PMID: 34843915 DOI: 10.1016/j.ejps.2021.106079] [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: 08/25/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 11/29/2022]
Abstract
In this study, the effect of the quantity of lipid-based formulations (LBFs) on the oral absorption of ritonavir (RTV), a model for poorly water-soluble drugs, was investigated. Two types of LBFs, comprising short- and medium-chain lipids (LBF-SMC) and long-chain lipids (LBF-LC) loaded with different masses of RTV, were prepared. Then, the respective LBFs were dispersed in distilled water at concentrations of 1.0, 2.0, and 3.0% w/w, which provided the same drug concentration for all formulations. When 1.0% LBF-SMC and LBF-LC were orally administered to rats, the oral absorption was significantly improved compared with that of the suspension (a reference formulation) because of enhanced solubilization of RTV in the gastrointestinal tract; however, this improvement was lower for LBF-LC than for LBF-SMC. The oral absorption decreased with increasing LBF concentration for both LBF-SMC and LBF-LC. The in vitro permeation in sequence with in vitro digestion revealed that this phenomenon was caused by a reduction in the free drug concentration in the gastrointestinal tract. Moreover, the effect of decreasing the free concentration was more remarkable for LBF-LC than for LBF-SMC because of the greater solubilization capacity of LC digestion products. These findings may be useful for designing improved drug delivery systems.
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Affiliation(s)
- Yusuke Tanaka
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan.
| | - Hirotaka Doi
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Takeru Katano
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
| | - Satoshi Kasaoka
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hiro-koshingai, Kure, Hiroshima 737-0112, Japan
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Keemink J, Hedge OJ, Bianco V, Hubert M, Bergström CAS. Comparison of Cellular Monolayers and an Artificial Membrane as Absorptive Membranes in the in vitro Lipolysis-permeation Assay. J Pharm Sci 2021; 111:175-184. [PMID: 34516987 DOI: 10.1016/j.xphs.2021.09.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/07/2021] [Accepted: 09/07/2021] [Indexed: 10/20/2022]
Abstract
Permeation across Caco-2 cells in lipolysis-permeation setups can predict the rank order of in vivo drug exposure obtained with lipid-based formulations (LBFs). However, Caco-2 cells require a long differentiation period and do not capture all characteristics of the human small intestine. We therefore evaluated two in vitro assays with artificial lecithin-in-dodecane (LiDo) membranes and MDCK cells as absorptive membranes in the lipolysis-permeation setup. Fenofibrate-loaded LBFs were used and the results from the two assays compared to literature plasma concentrations in landrace pigs administered orally with the same formulations. Aqueous drug concentrations, supersaturation, and precipitation were determined in the digestion chamber and drug permeation in the receiver chamber. Auxiliary in vitro parameters were assessed, such as permeation of the taurocholate, present in the simulated intestinal fluid used in the assay, and size of colloidal structures in the digestion medium over time. The LiDo membrane gave a similar drug distribution as the Caco-2 cells and accurately reproduced the equivalent rank-order of fenofibrate exposure in plasma. Permeation of fenofibrate across MDCK monolayers did not, however, reflect the in vivo exposure rankings. Taurocholate flux was negligible through either membrane. This process was therefore not considered to significantly affect the in vitro distribution of fenofibrate. We conclude that the artificial LiDo membrane is a promising tool for lipolysis-permeation assays to evaluate LBF performance.
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Affiliation(s)
- Janneke Keemink
- Department of Pharmacy, Uppsala University, Uppsala, Sweden; F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Oliver J Hedge
- Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | | | - Madlen Hubert
- Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - Christel A S Bergström
- Department of Pharmacy, Uppsala University, Uppsala, Sweden; The Swedish Drug Delivery Center, Department of Pharmacy, Uppsala University, Uppsala, Sweden.
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