Hypoxia-Inducible Factor Stabilization as an Emerging Therapy for CKD-Related Anemia: Report From a Scientific Workshop Sponsored by the National Kidney Foundation.

The National Kidney Foundation convened an interdisciplinary international workshop in March 2019 to discuss the potential role of a new class of agents for the treatment of anemia in patients with chronic kidney disease (CKD): the hypoxia-inducible factor prolyl hydroxylase inhibitors (HIF-PHIs). International experts with expertise in physiology, biochemistry, structural chemistry, translational medicine, and clinical management of anemia participated. Participants reviewed the unmet needs of current anemia treatment, the biology of hypoxia-inducible factor, the pharmacology of prolyl hydroxylase inhibitors, and the results of phase 2 clinical trials of HIF-PHIs among patients with CKD, both those treated by dialysis and those not receiving kidney replacement therapy. The results of key phase 3 clinical trials of HIF-PHIs available as of the time of writing are also included in this report, although they appeared after the workshop was completed. Participants in the workshop developed a number of recommendations for further examination of HIF-PHIs, which are summarized in this report and include long-term safety issues, potential benefits, and practical considerations for implementation including patient and provider education.

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