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In vitro assessment of the influence of intravenous extension set materials on insulin aspart drug delivery.

Abstract : Insulin is a frequently prescribed drug in hospitals and is usually administered by syringe pumps with an extension line which can be made of various materials. Two insulin solutions were studied: an insulin analogue, Novorapid® which contains insulin aspart and two phenolic preservatives (e.g. phenol and metacresol) and Umuline rapide® with human insulin and metacresol as preservative. Some studies have indicated interactions between insulin, polyvinyl chloride (PVC) and polyethylene (PE). The aim of this work was to study such interactions between Novorapid® or Umuline rapide® and infusion extension line materials (PVC, PE and coextruded (PE/PVC)). Insulin solution at 1 IU/mL was infused at 2 mL/h over 24 hours with 16 different extension lines (8 in PVC, 3 in PE and 5 in PE/PVC). Ultra-Fast Liquid Chromatography with diode array detection (UFLC-DAD) was performed to quantify insulin (human and aspart) and preservatives (metacresol and phenol). Limited human insulin sorption was observed thirty minutes after the onset of infusion: 24.3 ± 12.9%, 3.1 ± 1.6% and 18.6 ± 10.0% for PVC, PE and PE/PVC respectively. With insulin aspart, sorption of about 5% was observed at the onset of infusion for all materials. However, there were interactions between phenol and especially metacresol with PVC, but no interactions with PE and PE/PVC. This study shows that insulin interacts with PVC, PE and PE/PVC at the onset of infusion. It also demonstrates that insulin preservatives interact with PVC, which may result in problems of insulin conservation and conformation. Some more studies are required to understand the clinical impact of the latter during infusion.
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Soumis le : lundi 21 juin 2021 - 12:14:19
Dernière modification le : mercredi 3 novembre 2021 - 05:04:46
Archivage à long terme le : : mercredi 22 septembre 2021 - 18:30:09


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Morgane Masse, Mickael Maton, Stéphanie Genay, Nicolas Blanchemain, Christine Barthelemy, et al.. In vitro assessment of the influence of intravenous extension set materials on insulin aspart drug delivery.. PLoS ONE, Public Library of Science, 2018, 13 (8), pp.e0201623. ⟨10.1371/journal.pone.0201623⟩. ⟨hal-03265853⟩



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