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CERA conversion to darbepoetin alfa in 154 hemodialysis patients

  • Nephrology - Original Paper
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Abstract

Purpose

Anemia is a common complication in dialysis patients, usually treated with erythropoietin (EPO). Among available EPOs and analogs, continuous erythropoietin receptor activator (CERA) and darbepoetin alfa (DA) are the only two agents with a long duration of action, although they have almost never been formally compared in terms of efficacy. We took advantage of an accidental disruption in CERA supply to study the effect of its replacement with DA in the same patients.

Methods

The clinical and biological characteristics of 154 hemodialysis patients were retrospectively reviewed during the last 3 months on CERA compared to the first 4 months after replacement by DA, both ASE being administered by IV route. The comparison included EPO doses, hemoglobin levels, factors interfering with anemia (iron status assessment, iron doses, inflammation, quality of treatment) and was performed under the Bayesian paradigm.

Results

We found no significant differences between the two EPOs in terms of doses or hemoglobin concentrations. Factors that could potentially influence hemoglobin concentrations also did not differ under CERA or DA. The stability of hemoglobin was identical with both EPOs. We provide a conversion factor which allows comparison of cost according to local prices.

Conclusions

We conclude that, in this observational “real life” study, the two EPOs are to be considered as equivalent.

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Abbreviations

ESA:

Erythropoiesis stimulating agent

CERA:

Continuous erythropoietin receptor activator

DA:

Darbepoetin alfa

EPO:

Erythropoietin

CKD:

Chronic kidney disease

Hb:

Hemoglobin concentration

TSC:

Transferrin saturation coefficient

iPTH:

Immunoreactive parathyroid hormone

CRP:

C-reactive protein

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Authors and Affiliations

Authors

Contributions

YD, JR and TH designed the study. PP, AK and FC obtained the data and were responsible for the data management. NM and TK analyzed the data. All authors contributed to drafting and writing the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Yves Dimitrov.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

Not needed for this retrospective study.

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All patients gave their consent to the use of the datas.

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Dimitrov, Y., Rieger, J., Krummel, T. et al. CERA conversion to darbepoetin alfa in 154 hemodialysis patients. Int Urol Nephrol 52, 1979–1985 (2020). https://doi.org/10.1007/s11255-020-02569-w

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  • DOI: https://doi.org/10.1007/s11255-020-02569-w

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