Cited by 256Iron Metabolism and DisordersErythropoietin and Anemia TreatmentDrug Solubulity and Delivery Systems

A comparative study of the physicochemical properties of iron isomaltoside 1000 (Monofer), a new intravenous iron preparation and its clinical implications

Jahn, Markus R., Andreasen, Hans B., Fütterer, Sören, Nawroth, Thomas, Schünemann, Volker, Kolb, Ute, Hofmeister, Wolfgang, Muñoz, Manuel +3 more·2011·European Journal of Pharmaceutics and Biopharmaceutics

Abstract

The treatment of iron deficiency anemia with polynuclear iron formulations is an established therapy in patients with chronic kidney disease but also in other disease areas like gastroenterology, cardiology, oncology, pre/post operatively and obstetrics' and gynecology. Parenteral iron formulations represent colloidal systems in the lower nanometer size range which have traditionally been shown to consist of an iron core surrounded by a carbohydrate shell. In this publication, we for the first time describe the novel matrix structure of iron isomaltoside 1000 which differs from the traditional picture of an iron core surrounded by a carbohydrate. Despite some structural similarities between the different iron formulations, the products differ significantly in their physicochemical properties such as particle size, zeta potential, free and labile iron content, and release of iron in serum. This study compares the physiochemical properties of iron isomaltoside 1000 (Monofer) with the currently available intravenous iron preparations and relates them to their biopharmaceutical properties and their approved clinical applications. The investigated products encompass low molecular weight iron dextran (CosmoFer), sodium ferric gluconate (Ferrlecit), iron sucrose (Venofer), iron carboxymaltose (Ferinject/Injectafer), and ferumoxytol (Feraheme) which are compared to iron isomaltoside 1000 (Monofer). It is shown that significant and clinically relevant differences exist between sodium ferric gluconate and iron sucrose as labile iron formulations and iron dextran, iron carboxymaltose, ferumoxytol, and iron isomaltoside 1000 as stable polynuclear formulations. The differences exist in terms of their immunogenic potential, safety, and convenience of use, the latter being expressed by the opportunity for high single-dose administration and short infusion times. Monofer is a new parenteral iron product with a very low immunogenic potential and a very low content of labile and free iron. This enables Monofer, as the only IV iron formulation, to be administered as a rapid high dose infusion in doses exceeding 1000 mg without the application of a test dose. This offers considerable dose flexibility, including the possibility of providing full iron repletion in a single infusion (one-dose iron repletion).

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Crossref · 10.1016/j.ejpb.2011.03.016

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Authors
Jahn, M. R., Andreasen, H. B., Fütterer, S., Nawroth, T., Schünemann, V., Kolb, U., Hofmeister, W., Muñoz, M., Bock, K., Meldal, M., & Langguth, P.
Affiliations
  • Johannes Gutenberg University Mainz (DE)
  • Pharmacosmos (Denmark) (DK)
  • University of Kaiserslautern (DE)
  • Carlsberg Laboratory (DK)
Corresponding author
Langguth, Peter
Venue
European Journal of Pharmaceutics and Biopharmaceutics
Publisher
Elsevier BV
Published
2011-08
Volume
78
Issue
3
Pages
480-491
ISSN
0939-6411 (ISSN-L)
OpenAlex
W2072414981
Cited by
256
References
46
Citations by year
2026: 11 · 2025: 17 · 2024: 11 · 2023: 22 · 2022: 22 · 2021: 15 · 2020: 15 · 2019: 20 · 2018: 17 · 2017: 25 · 2016: 19 · 2015: 14 · 2014: 15 · 2013: 18 · 2012: 12
FWCI
10.53
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pharmaceutics and Biopharmaceutics (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Health Sciences › Medicine › Hematology › Erythropoietin and Anemia Treatment
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Drug Solubulity and Delivery Systems
Keywords
iron isomaltoside 1000, iron deficiency anemia, iron dextran, sodium ferric gluconate, iron sucrose, iron carboxymaltose, ferumoxytol, labile iron, free iron, particle size, zeta potential, immunogenicity, parenteral iron
MeSH terms
Disaccharides, Drug Compounding, Ferric Compounds, Humans, Hydrolysis, Infusions, Intravenous, Molecular Weight, Particle Size, Vitamins, Molecular Structure, Drug Delivery Systems, Chemical Phenomena

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