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Claus V, Spleis H, Federer C, Zöller K, Wibel R, Laffleur F, Dumont C, Caisse P, Bernkop-Schnürch A. Self-emulsifying drug delivery systems (SEDDS): In vivo-proof of concept for oral delivery of insulin glargine. Int J Pharm 2023; 639:122964. [PMID: 37100259 DOI: 10.1016/j.ijpharm.2023.122964] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 04/28/2023]
Abstract
In spite of recent progress made in the field of peptide and protein delivery, oral administration of insulin and similar drugs remains a challenge. In this study, lipophilicity of insulin glargine (IG) was successfully increased via hydrophobic ion pairing (HIP) with sodium octadecyl sulfate to enable incorporation into self-emulsifying drug delivery systems (SEDDS). Two SEDDS formulations (F1: 20% Labrasol®ALF, 30% polysorbate 80, 10% Croduret 50, 20% oleyl alcohol, 20% Maisine® CC; F2: 30% Labrasol®ALF, 20% polysorbate 80, 30% Kolliphor® HS 15, 20% Plurol® oleique CC 497) were developed and loaded with the IG-HIP complex. Further experiments confirmed increased lipophilicity of the complex, achieving Log DSEDDS/release medium values of 2.5 (F1) and 2.4 (F2) and ensuring sufficient amounts of IG within the droplets after dilution. Toxicological assays indicated minor toxicity and no toxicity inherent to the incorporated IG-HIP complex. SEDDS formulations F1 and F2 were administered to rats via oral gavage and resulted in a bioavailability of 0.55% and 0.44%, corresponding to a 7.7-fold and 6.2-fold increased bioavailability, respectively. Thus, incorporation of complexed insulin glargine into SEDDS formulations provides a promising approach to facilitate its oral absorption.
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Affiliation(s)
- Victor Claus
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, 6020 Innsbruck, Austria; Thiomatrix Forschungs- und Beratungs GmbH, Trientlgasse 65, 6020 Innsbruck, Austria
| | - Helen Spleis
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, 6020 Innsbruck, Austria; Thiomatrix Forschungs- und Beratungs GmbH, Trientlgasse 65, 6020 Innsbruck, Austria
| | - Christoph Federer
- Thiomatrix Forschungs- und Beratungs GmbH, Trientlgasse 65, 6020 Innsbruck, Austria
| | - Katrin Zöller
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, 6020 Innsbruck, Austria
| | - Richard Wibel
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, 6020 Innsbruck, Austria
| | - Flavia Laffleur
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, 6020 Innsbruck, Austria
| | - Camille Dumont
- Gattefossé SAS, 36 Chemin de Genas, 69804 Saint-Priest Cedex, France
| | - Philippe Caisse
- Gattefossé SAS, 36 Chemin de Genas, 69804 Saint-Priest Cedex, France
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, 6020 Innsbruck, Austria.
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Yaghmur A, Mu H. Recent advances in drug delivery applications of cubosomes, hexosomes, and solid lipid nanoparticles. Acta Pharm Sin B 2021; 11:871-885. [PMID: 33996404 PMCID: PMC8105777 DOI: 10.1016/j.apsb.2021.02.013] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/11/2021] [Accepted: 01/18/2021] [Indexed: 12/16/2022] Open
Abstract
The use of lipid nanocarriers for drug delivery applications is an active research area, and a great interest has particularly been shown in the past two decades. Among different lipid nanocarriers, ISAsomes (Internally self-assembled somes or particles), including cubosomes and hexosomes, and solid lipid nanoparticles (SLNs) have unique structural features, making them attractive as nanocarriers for drug delivery. In this contribution, we focus exclusively on recent advances in formation and characterization of ISAsomes, mainly cubosomes and hexosomes, and their use as versatile nanocarriers for different drug delivery applications. Additionally, the advantages of SLNs and their application in oral and pulmonary drug delivery are discussed with focus on the biological fates of these lipid nanocarriers in vivo. Despite the demonstrated advantages in in vitro and in vivo evaluations including preclinical studies, further investigations on improved understanding of the interactions of these nanoparticles with biological fluids and tissues of the target sites is necessary for efficient designing of drug nanocarriers and exploring potential clinical applications.
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Affiliation(s)
- Anan Yaghmur
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen Ø 2100, Denmark
| | - Huiling Mu
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen Ø 2100, Denmark
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Han S, Quach T, Hu L, Lim SF, Gracia G, Trevaskis NL, Simpson JS, Porter CJH. The Impact of Conjugation Position and Linker Chemistry on the Lymphatic Transport of a Series of Glyceride and Phospholipid Mimetic Prodrugs. J Pharm Sci 2020; 110:489-499. [PMID: 33069711 DOI: 10.1016/j.xphs.2020.10.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 10/07/2020] [Accepted: 10/07/2020] [Indexed: 10/23/2022]
Abstract
Drug delivery to the lymphatic system is gaining increasing attention, particularly in fields such as immunotherapy where drug access to lymphocytes is central to activity. We have previously described a prodrug strategy that facilitates the lymphatic delivery of a model immunomodulator, mycophenolic acid (MPA) via incorporation into intestinal triglyceride transport pathways. The current study explored a series of structurally related glyceride and phospholipid mimetic prodrugs of MPA in an attempt to enhance lymph targeting and to better elucidate the design criteria for lipid mimetic prodrugs. MPA was conjugated to a glyceride or phospholipid backbone at various positions using different spacers employing ester, ether, carbonate and amide bonds. Patterns of prodrug hydrolysis were evaluated in rat digestive fluid, and lymphatic transport and plasma pharmacokinetics were assessed in lymph duct cannulated rats. Prodrugs with different spacers between MPA and the glyceride backbone resulted in up to 70-fold differences in gastrointestinal stability. MPA conjugation at the 2 position of the glyceride backbone and via an ester bond were most effective in promoting lymphatic transport. Phospholipid prodrug derivatives, or glyceride derivatives with MPA attached at the 1 position or when linked via ether, carbonate or amide bonds were poorly incorporated into lymphatic transport pathways.
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Affiliation(s)
- Sifei Han
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Tim Quach
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Luojuan Hu
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Shea Fern Lim
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Gracia Gracia
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Natalie L Trevaskis
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Jamie S Simpson
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Christopher J H Porter
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Victoria 3052, Australia.
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Mandić J, Luštrik M, Vrečer F, Gašperlin M, Zvonar Pobirk A. Solidification of carvedilol loaded SMEDDS by swirling fluidized bed pellet coating. Int J Pharm 2019; 566:89-100. [DOI: 10.1016/j.ijpharm.2019.05.055] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/06/2019] [Accepted: 05/20/2019] [Indexed: 01/11/2023]
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Mu H, Holm R, Müllertz A. Lipid-based formulations for oral administration of poorly water-soluble drugs. Int J Pharm 2013; 453:215-24. [PMID: 23578826 DOI: 10.1016/j.ijpharm.2013.03.054] [Citation(s) in RCA: 221] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2013] [Revised: 03/28/2013] [Accepted: 03/28/2013] [Indexed: 11/18/2022]
Abstract
Lipid-based drug delivery systems have shown great potentials in oral delivery of poorly water-soluble drugs, primarily for lipophilic drugs, with several successfully marketed products. Pre-dissolving drugs in lipids, surfactants, or mixtures of lipids and surfactants omits the dissolving/dissolution step, which is a potential rate limiting factor for oral absorption of poorly water-soluble drugs. Lipids not only vary in structures and physiochemical properties, but also in their digestibility and absorption pathway; therefore selection of lipid excipients and dosage form has a pronounced effect on the biopharmaceutical aspects of drug absorption and distribution both in vitro and in vivo. The aim of this review is to provide an overview of the different lipid-based dosage forms from a biopharmaceutical point of view and to describe effects of lipid dosage forms and lipid excipients on drug solubility, absorption and distribution.
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Affiliation(s)
- Huiling Mu
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark.
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