Fig. 3From: Restoration of renal anemia following therapy with etelcalcetide for refractory secondary hyperparathyroidism: a case report with mini-reviewMechanism of renal anemia improvement by etelcalcetide. It is mainly thought that one is erythropoietin synthesis, increase of erythroid progenitor cells and improvement of bone marrow fibrosis, and another is erythroid proliferation induced by administration or increase of vitamin DBack to article page