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Oral delivery of peptides and proteins using lipid-based drug delivery systems
Abstract
INTRODUCTION: In order to successfully develop lipid-based drug delivery systems (DDS) for oral administration of peptides and proteins, it is important to gain an understanding of the colloid structures formed by these DDS, the mode of peptide and protein incorporation as well as the mechanism by which intestinal absorption of peptides and proteins is promoted. AREAS COVERED: The present paper reviews the literature on lipid-based DDS, employed for oral delivery of peptides and proteins and highlights the mechanisms by which the different lipid-based carriers are expected to overcome the two most important barriers (extensive enzymatic degradation and poor transmucosal permeability). This paper also gives a clear-cut idea about advantages and drawbacks of using different lipidic colloidal carriers ((micro)emulsions, solid lipid core particles and liposomes) for oral delivery of peptides and proteins. EXPERT OPINION: Lipid-based DDS are safe and suitable for oral delivery of peptides and proteins. Significant progress has been made in this area with several technologies on clinical trials. However, a better understanding of the mechanism of action in vivo is needed in order to improve the design and development of lipid-based DDS with the desired bioavailability and therapeutic profile.
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“Copper-peptides can be also taken orally as a dietary supplement in liposomal form [51].”
From Skin Regenerative and Anti-Cancer Actions of Copper Peptides (2018) · cites this paper as [51]
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Metadata
- Authors
- Li, P., Nielsen, H. M., & Müllertz, A.
- Affiliations
- University of Copenhagen (DK)
- Venue
- Expert Opinion on Drug Delivery
- Publisher
- Informa Healthcare
- Published
- 2012-08-17
- Volume
- 9
- Issue
- 10
- Pages
- 1289-1304
- ISSN
- 1742-5247 (ISSN-L)
- 1744-7593
- OpenAlex
- W2049764487
- Cited by
- 116
- References
- 102
- Citations by year
- 2026: 4 · 2025: 8 · 2024: 11 · 2023: 9 · 2022: 7 · 2021: 7 · 2020: 11 · 2019: 9 · 2018: 7 · 2017: 6 · 2016: 4 · 2015: 9 · 2014: 14 · 2013: 9
- FWCI
- 1.27
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Expert Opinion on Drug Delivery (publishedVersion)
- PubMed (publishedVersion)
- Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
- Funders
- Mokslo, Inovaciju ir Technologiju Agentura
- Danish Agency for Science and Higher Education
- Topics
- Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Advanced Drug Delivery Systems
- Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Drug Solubulity and Delivery Systems
- Life Sciences › Agricultural and Biological Sciences › Food Science › Proteins in Food Systems
- Keywords
- oral drug delivery, peptides, proteins, lipid-based drug delivery, microemulsions, liposomes, enzymatic degradation, intestinal absorption, bioavailability
- MeSH terms
- Administration, Oral, Animals, Biological Availability, Drug Carriers, Emulsions, Humans, Intestinal Absorption, Lipids, Liposomes, Peptides, Permeability, Proteins, Drug Delivery Systems
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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