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Journal articles

FcRn as a Transporter for Nasal Delivery of Biologics: A Systematic Review

Abstract : FcRn plays a major role in regulating immune homeostasis, but it is also able to transport biologics across cellular barriers. The question of whether FcRn could be an efficient transporter of biologics across the nasal epithelial barrier is of particular interest, as it would allow a less invasive strategy for the administration of biologics in comparison to subcutaneous, intramuscular or intravenous administrations, which are often used in clinical practice. A focused systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. It was registered on the international prospective register of systematic reviews PROSPERO, which helped in identifying articles that met the inclusion criteria. Clinical and preclinical studies involving FcRn and the nasal delivery of biologics were screened, and the risk of bias was assessed across studies using the Oral Health Assessment Tool (OHAT). Among the 12 studies finally included in this systematic review (out of the 758 studies screened), 11 demonstrated efficient transcytosis of biologics through the nasal epithelium. Only three studies evaluated the potential toxicity of biologics’ intranasal delivery, and they all showed that it was safe. This systematic review confirmed that FcRn is expressed in the nasal airway and the olfactory epithelium, and that FcRn may play a role in IgG and/or IgG-derived molecule-transcytosis across the airway epithelium. However, additional research is needed to better characterize the pharmacokinetic and pharmacodynamic properties of biologics after their intranasal delivery.
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https://www.hal.inserm.fr/inserm-03537514
Contributor : Bruno Louis Connect in order to contact the contributor
Submitted on : Thursday, January 20, 2022 - 2:27:18 PM
Last modification on : Thursday, May 12, 2022 - 7:56:02 AM
Long-term archiving on: : Thursday, April 21, 2022 - 7:06:44 PM

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Maxime Fieux, Sandra Le Quellec, Sophie Bartier, André Coste, Bruno Louis, et al.. FcRn as a Transporter for Nasal Delivery of Biologics: A Systematic Review. International Journal of Molecular Sciences, MDPI, 2021, 22 (12), pp.6475. ⟨10.3390/ijms22126475⟩. ⟨inserm-03537514⟩

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