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Theismann EM, Keppler JK, Knipp JR, Fangmann D, Appel E, Gorb SN, Waetzig GH, Schreiber S, Laudes M, Schwarz K. Adjustment of triple shellac coating for precise release of bioactive substances with different physico-chemical properties in the ileocolonic region. Int J Pharm 2019; 564:472-484. [PMID: 30991131 DOI: 10.1016/j.ijpharm.2019.04.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 04/11/2019] [Accepted: 04/12/2019] [Indexed: 01/14/2023]
Abstract
Formulations for the controlled release of substances in the human terminal ileum and colon are essential to target the gut microbiome and its interactions with the intestinal mucosa. In contrast to pharmaceutical enteric coatings, reliable food-grade alternatives are still scarce. Shellac coatings have been used for various active ingredients, but their stability is affected by the physicochemical properties of the encapsulated substances. It is well known, that shellac release can be modulated by an acidic subcoating. Here, we hypothesized that a triple shellac coating with an adjusted intermediate coating (acidic or alkaline) can be effectively used to counteract the differences in pH value of various encapsulated substances, allowing a precise targeting of the desired release pH value. First, the system was tested with riboflavin 5'-monophosphate sodium salt dihydrate (RMSD) as a characteristic model substance. Secondly, it was transferred to nicotinic acid (NA) and nicotinamide (NAM) as bioactive compounds with different physio-chemical properties: NAM, an alkaline crystalline and highly water-soluble substance, led to a premature release from conventional shellac microcapsules, whereas RMSD and NA with their medium solubility and neutral to acidic pH properties delayed the shellac dissolution. A precise modulation of the release profile of each substance was possible by the addition of different intermediate subcoatings: an acidic layer with citric acid counteracted the premature release of the alkaline and highly soluble NAM. In contrast, an alkaline sodium bicarbonate intermediate subcoating enhanced shellac swelling and delayed the release of NA and RMSD. In conclusion, the novel triple-layer shellac coating provides a much higher adaptability and reliability for nutritional formulations aiming at a targeted release in the ileocolonic region.
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Affiliation(s)
- Eva-Maria Theismann
- Division of Food Technology, Kiel University, Heinrich-Hecht-Platz 10, 24118 Kiel, Germany.
| | | | - Jörg-Rainer Knipp
- Division of Food Technology, Kiel University, Heinrich-Hecht-Platz 10, 24118 Kiel, Germany
| | - Daniela Fangmann
- Department of Internal Medicine I, University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Strasse 3, 24105 Kiel, Germany
| | - Esther Appel
- Department of Functional Morphology and Biomechanics, Kiel University, Am Botanischen Garten 1-9, 24118 Kiel, Germany
| | - Stanislav N Gorb
- Department of Functional Morphology and Biomechanics, Kiel University, Am Botanischen Garten 1-9, 24118 Kiel, Germany
| | - Georg H Waetzig
- CONARIS Research Institute AG, Schauenburgerstrasse 116, 24118 Kiel, Germany
| | - Stefan Schreiber
- Department of Internal Medicine I, University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Strasse 3, 24105 Kiel, Germany
| | - Matthias Laudes
- Department of Internal Medicine I, University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Strasse 3, 24105 Kiel, Germany
| | - Karin Schwarz
- Division of Food Technology, Kiel University, Heinrich-Hecht-Platz 10, 24118 Kiel, Germany
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Lin X, Xu Y, Tang X, Zhang Y, Chen J, Zhang Y, He H, Yang Z. A Uniform Ultra-Small Microsphere/SAIB Hybrid Depot with Low Burst Release for Long-Term Continuous Drug Release. Pharm Res 2015; 32:3708-21. [PMID: 26077999 DOI: 10.1007/s11095-015-1731-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 06/01/2015] [Indexed: 01/14/2023]
Abstract
PURPOSE In the present study, a uniform ultra-small microsphere/sucrose acetate isobutyrate (SAIB) hybrid depot (m-SAIB depot) was designed to provide a long-term sustained release drug delivery system which not only reduced the burst release of an SAIB depot, but also eliminated the lag-time of PLGA microspheres. METHODS Risperidone loaded m-SAIB depot (Ris-m-SAIB depot) was characterized by in vitro drug release, pharmacokinetics, in vivo degradation and biocompatibility, in comparison with risperidone loaded SAIB depot (Ris-SAIB depot). RESULTS Ris-m-SAIB depot showed a low burst release (0.64%) and a reduced in vitro drug release rate due to the encapsulation of most drug in microspheres. After intramuscular administration, the in vivo burst release of Ris-m-SAIB was significantly decreased, as reflected by the low Cmax/Cs(4-td) (approximately 30-fold reduction), in comparison with Ris-SAIB depot. From 4 to 78 days, Ris-m-SAIB depot showed a higher plasma drug level (1.55 ~ 16.30 ng/ml) with a steadier drug release profile compared with Ris-SAIB depot. Ris-m-SAIB depot degraded gradually with a degradation t1/2 of 54.6 days and exhibited good biocompatibility in vivo. CONCLUSION These results demonstrate the potential application of a uniform ultra-small microsphere/SAIB hybrid depot for continuously delivering small drug molecules for long periods of time without burst release.
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Affiliation(s)
- Xia Lin
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China.
- School of Pharmaceutical Science, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, People's Republic of China.
| | - Yuhong Xu
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China
| | - Xing Tang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, People's Republic of China
| | - Yan Zhang
- Normal College, Shenyang University, Shenyang, 110044, People's Republic of China
| | - Jian Chen
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China
| | - Yu Zhang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, People's Republic of China
| | - Haibing He
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, People's Republic of China
| | - Ziyi Yang
- School of Pharmaceutical Science, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, People's Republic of China.
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Minimol P, Paul W, Sharma CP. PEGylated starch acetate nanoparticles and its potential use for oral insulin delivery. Carbohydr Polym 2013; 95:1-8. [DOI: 10.1016/j.carbpol.2013.02.021] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 02/06/2013] [Accepted: 02/13/2013] [Indexed: 01/14/2023]
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Kazarian SG, Ewing AV. Applications of Fourier transform infrared spectroscopic imaging to tablet dissolution and drug release. Expert Opin Drug Deliv 2013; 10:1207-21. [DOI: 10.1517/17425247.2013.801452] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Matero S, van Den Berg F, Poutiainen S, Rantanen J, Pajander J. Towards better process understanding: chemometrics and multivariate measurements in manufacturing of solid dosage forms. J Pharm Sci 2013; 102:1385-403. [PMID: 23423769 DOI: 10.1002/jps.23472] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Accepted: 01/22/2013] [Indexed: 01/14/2023]
Abstract
The manufacturing of tablets involves many unit operations that possess multivariate and complex characteristics. The interactions between the material characteristics and process related variation are presently not comprehensively analyzed due to univariate detection methods. As a consequence, current best practice to control a typical process is to not allow process-related factors to vary i.e. lock the production parameters. The problem related to the lack of sufficient process understanding is still there: the variation within process and material properties is an intrinsic feature and cannot be compensated for with constant process parameters. Instead, a more comprehensive approach based on the use of multivariate tools for investigating processes should be applied. In the pharmaceutical field these methods are referred to as Process Analytical Technology (PAT) tools that aim to achieve a thorough understanding and control over the production process. PAT includes the frames for measurement as well as data analyzes and controlling for in-depth understanding, leading to more consistent and safer drug products with less batch rejections. In the optimal situation, by applying these techniques, destructive end-product testing could be avoided. In this paper the most prominent multivariate data analysis measuring tools within tablet manufacturing and basic research on operations are reviewed.
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Affiliation(s)
- Sanni Matero
- Department of Food Science, Quality & Technology, Faculty of Science, University of Copenhagen, DK-1958 Frederiksberg-C, Denmark.
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Histopathology mapping of biochemical changes in myocardial infarction by Fourier transform infrared spectral imaging. Forensic Sci Int 2011; 207:e34-9. [DOI: 10.1016/j.forsciint.2010.12.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2009] [Revised: 10/12/2010] [Accepted: 12/12/2010] [Indexed: 01/14/2023]
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Ghimire M, Hodges LA, Band J, Lindsay B, O’Mahony B, McInnes FJ, Mullen AB, Stevens HN. Correlation between in vitro and in vivo erosion behaviour of erodible tablets using gamma scintigraphy. Eur J Pharm Biopharm 2011; 77:148-57. [DOI: 10.1016/j.ejpb.2010.10.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Revised: 10/12/2010] [Accepted: 10/18/2010] [Indexed: 01/14/2023]
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Windbergs M, Haaser M, McGoverin CM, Gordon KC, Kleinebudde P, Strachan CJ. Investigating the relationship between drug distribution in solid lipid matrices and dissolution behaviour using raman spectroscopy and mapping**Maike Windbergs and Miriam Haaser contributed equally to this work. J Pharm Sci 2010; 99:1464-75. [DOI: 10.1002/jps.21894] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Pajander J, Korhonen O, Laamanen M, Ryynänen EL, Grimsey I, van Veen B, Ketolainen J. Effect of formulation parameters and drug–polymer interactions on drug release from starch acetate matrix tablets. J Pharm Sci 2009; 98:3676-90. [DOI: 10.1002/jps.21689] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Affiliation(s)
- R K Gilpin
- Brehm Research Laboratory University Park, Wright State University, Fairborn, Ohio 45324-2031, USA
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