Why should iron be monitored in patients taking complement inhibitors for the treatment of paroxysmal nocturnal hemoglobinuria (PNH)?

Updated: May 20, 2021
  • Author: Emmanuel C Besa, MD; Chief Editor: Sara J Grethlein, MD, FACP  more...
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Answer

Monitoring iron even if the patients no longer require transfusions is recommended, because hemosiderinuria—a protective mechanism in PNH to excrete iron—no longer occurs with eculizumab. Measuring serum ferritin is recommended and chelation therapy may be necessary in patients with high levels.


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