Sequential Drug Release Achieved with Dual‐Compartment Microcontainers: Toward Combination Therapy
Abstract: Combination drug therapy is commonly used to treat cancer, diabetes, cardiovascular conditions, and infections. However, these therapies face challenges associated with patient compliance and toxicology. Over the past decades, microdevices have emerged as a promising candidate for oral delivery allowing for targeted drug delivery with a tunable drug release. In the present work, engineered and monodisperse dual‐compartment microdevices are developed to achieve a physical separation of two drugs followed by a sequential release in the gastrointestinal tract. As proof‐of‐concept, the compartments are sealed with two pH‐sensitive polymers of different thicknesses to control the sequential release of propranolol and furosemide. In vitro release studies and in vivo absorption studies in rats confirm a sequential drug release from the two compartments. Unlike other proposed approaches, it is highly advantageous that the drugs can be loaded directly as powders, and that their release can be tuned via optimized coatings to achieve the desired release and absorption profiles. Conclusively, this study lays a strong foundation for the future use of microdevices to enable co‐delivery of drugs followed by a sequential release in close proximity in the gastrointestinal tract.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Sequential Drug Release Achieved with Dual‐Compartment Microcontainers: Toward Combination Therapy ; day:01 ; month:09 ; year:2022 ; extent:11
Advanced therapeutics ; (01.09.2022) (gesamt 11)
- Creator
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Christfort, Juliane Fjelrad
Milián‐Guimerá, Carmen
Kamguyan, Khorshid
Hansen, Morten Borre
Hagner Nielsen, Line
Thamdrup, Lasse Højlund Eklund
Zór, Kinga
Boisen, Anja
- DOI
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10.1002/adtp.202200106
- URN
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urn:nbn:de:101:1-2022090115332559705333
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:28 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Christfort, Juliane Fjelrad
- Milián‐Guimerá, Carmen
- Kamguyan, Khorshid
- Hansen, Morten Borre
- Hagner Nielsen, Line
- Thamdrup, Lasse Højlund Eklund
- Zór, Kinga
- Boisen, Anja
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