Controversies in Optimal Anemia Management: Conclusions from a Kidney Disease Improving Global Outcomes (KDIGO) Conference

Jodie L Babitt, Michele F Eisenga, Volker H Haase, Abhijit V Kshirsagar, Adeera Levin, Francesco Locatelli, Jolanta Małyszko, Dorine W Swinkels, Der-Cherng Tarng, Michael Cheung, Michel Jadoul, Wolfgang C Winkelmayer, Tilman B Drüeke
Kidney International 2021 April 8
In chronic kidney disease (CKD), anemia and disordered iron homeostasis are prevalent and associated with significant adverse consequences. In 2012, Kidney Disease: Improving Global Outcomes (KDIGO) issued an anemia guideline for managing the diagnosis, evaluation, and treatment of anemia in CKD. Since then, new data have accrued from basic research, epidemiological studies, and randomized trials that warrant a re-examination of previous recommendations. Therefore, in 2019, KDIGO decided to convene two Controversies Conferences to review the latest evidence, explore new and ongoing controversies, assess change implications for the current KDIGO anemia guideline, and propose a research agenda. The first conference, described here, focused mainly on iron-related issues, including the contribution of disordered iron homeostasis to the anemia of CKD, diagnostic challenges, available and emerging iron therapies, treatment targets, and patient outcomes. The second conference will discuss issues more specifically related to erythropoiesis-stimulating agents, including epoetins and hypoxia-inducible factor-prolyl hydroxylase inhibitors (HIF-PHIs). Here we provide a concise overview of the consensus points and controversies resulting from the first conference and prioritize key questions which need to be answered by future research.

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