• T Steinmetz, B Tschechne, O Harlin, B Klement, M Franzem, J Wamhoff, H Tesch, R Rohrberg, and N Marschner.
• Outpatient Clinic for Oncology and Haematology, Cologne German. steinmetz@oncokoeln.de
• Ann. Oncol. 2013 Feb 1;24(2):475-82.

BackgroundIntravenous (i.v.) iron can improve anaemia of chronic disease and response to erythropoiesis-stimulating agents (ESAs), but data on its use in practice and without ESAs are limited. This study evaluated effectiveness and tolerability of ferric carboxymaltose (FCM) in routine treatment of anaemic cancer patients.Patients And MethodsOf 639 patients enrolled in 68 haematology/oncology practices in Germany, 619 received FCM at the oncologist's discretion, 420 had eligible baseline haemoglobin (Hb) measurements, and 364 at least one follow-up Hb measurement. Data of transfused patients were censored from analysis before transfusion.ResultsThe median total iron dose was 1000 mg per patient (interquartile range 600-1500 mg). The median Hb increase was comparable in patients receiving FCM alone (1.4 g/dl [0.2-2.3 g/dl; N = 233]) or FCM + ESA (1.6 g/dl [0.7-2.4 g/dl; N = 46]). Patients with baseline Hb up to 11.0 g/dl and serum ferritin up to 500 ng/ml benefited from FCM treatment (stable Hb ≥ 11.0 g/dl). Also patients with ferritin >500 ng/ml but low transferrin saturation benefited from FCM treatment. FCM was well tolerated, 2.3% of patients reported putative drug-related adverse events.ConclusionsThe substantial Hb increase and stabilisation at 11-12 g/dl in FCM-treated patients suggest a role for i.v. iron alone in anaemia correction in cancer patients.

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