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Impact of European medicines agency recommendations for hypersensitivity reactions on intravenous iron prescription in haemodialysis centres of the Lombardy region

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Abstract

Background

The European Medicines Agency (EMA) has recommended measures to minimize the risk of hypersensitivity reactions (HSRs) to intravenous iron (IVFe). We analysed the effects of these recommendations on IVFe clinical management among haemodialysis centres (HDCs) in Lombardy, Italy.

Materials and methods

A questionnaire was sent to all 117 HDCs to collect information on centre characteristics, e.g. HDC type [hospital centre (HC) vs. centre with limited assistance (CAL)], presence/absence of intensive care unit (ICU) and/or emergency trained staff, IVFe therapy regarding molecules, administration modalities, side effects, and percentage variations in iron prescription between 2014 and 2013 (outcome, Δ-IVFe%). A linear regression model was applied to evaluate the focus effect (β) of HDC type on the outcome, controlling for possible confounding effects of the other characteristics.

Results

Response rate was 73.5 %. IVFe therapy was used in 69.1 % (HDC range 11–100) of patients. Following EMA recommendations, prescription was reduced by 12.6 %, with the largest reduction observed in CALs. No severe HSRs were reported. HCs had more frequently an ICU [97.2 vs. 20 %, odds ratio (OR) = 63.6 (95 % confidence interval 15.56; 537.47), p < 0.001], emergency trained staff [97.2 vs. 61.2 %, OR = 10.7 (2.68; 85.33), p < 0.001] and instrumental facilities (91.7 vs. 58 %, OR = 5.8 (2.03; 23.55), p < 0.001] than CALs. Linear regression demonstrated a significant raw effect of HDC type on Δ- IVFe% [β =  19.6 (9.82; 30.63), p < 0.001]. No association was found when HDC type was adjusted for ICU-presence [β = 6.7 (−2.32; 18.30), p = 0.199] or for all-confounding factors [β = 5.6 (−5.50; 17.08), p = 0.337].

Conclusions

This survey shows a disparity in IVFe therapy prescription following EMA recommendations, which is largely influenced by the presence/absence of ICUs in HD centres.

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Correspondence to Rodolfo F. Rivera.

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Conflict of interest

The authors declare the following disclosure: Lucia Del Vecchio was in an advisory Board by Astellas. Francesco Locatelli was a member of an advisory board and or speaker at symposia supported by Akebia, Amgen, Astellas, Pharmacosmos, Janssen, Keryx, Roche.

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This article does not contain any studies with human participants or animals performed by any of the authors.

Informed consent

Informed consent was obtained from all participant centers in the study.

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The authors did not receive any financial support for this study.

Additional information

All the authors listed in the author group belongs to the study group ‘The Lombardy Section of Italian Society of Nephrology’ and they are contributed equally to this study.

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Rivera, R.F., Guido, D., Del Vecchio, L. et al. Impact of European medicines agency recommendations for hypersensitivity reactions on intravenous iron prescription in haemodialysis centres of the Lombardy region. J Nephrol 29, 673–681 (2016). https://doi.org/10.1007/s40620-015-0254-5

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  • DOI: https://doi.org/10.1007/s40620-015-0254-5

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