Therapeutic advances in medical oncology · 2020
Treatment of anemia in cancer patients undergoing chemotherapy with intravenous ferric carboxymaltose without erythropoiesis-stimulating agents.
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Abdel-Razeq Hikmat, Saadeh Salwa S, Malhis Razan, Yasser Sameer, Abdulelah Hazem, Eljaber Rana, Kleib Amer, Ismael Rouba
Аннотация
BACKGROUND: Anemia is commonly encountered in cancer patients receiving active chemotherapy. Due to adverse events and presumed negative effects on disease-progression and survival, erythropoiesis-stimulating agents are not frequently used. In this study, we assess the efficacy and safety of intravenous ferric carboxymaltose (FCM) to treat cancer-induced anemia (CIA).
PATIENTS AND METHODS: We recruited adult cancer patients on active chemotherapy with a hemoglobin (Hb) level ⩽11.0 g/dL. Based on serum ferritin (sFr) and transferrin saturation (TSAT), patients were divided into 3 groups: group I (absolute iron deficiency, n = 26) with sFr < 30 ng/mL and TSAT < 20%; group II (functional iron deficiency, n = 24) with sFr 30-800 ng/mL and TSAT < 20%; and patients with TSAT ⩾ 20% were placed in group III as "others" (n = 34). All patients were treated with intravenous FCM. Serum hepcidin and C-reactive protein were used as biomarkers to predict response.
RESULTS: A total of 84 patients with a median age (SD) of 53.8 (10.6) were recruited. Baseline median Hb level was 10.2 (range: 8.3-11.0) gm/dL. At week 12, there was a significant increment in Hb level for patients in groups I and II (median increment: 2.35 and 1.5 gm/dL, respectively), with limited response observed in group III, and most of the increment noted as early as week 3 (⩾1.0 g/dL). Responders tended to have lower levels of hepcidin. No clinically significant adverse events were reported; however, asymptomatic hypophosphatemia was observed in 39 (46.4%) patients.
CONCLUSIONS: Intravenous FCM is a safe and effective treatment option for the management of a subgroup of patients with CIA.The study was registered at ClinicalTrials.gov [Identifier: NCT04246021].
PATIENTS AND METHODS: We recruited adult cancer patients on active chemotherapy with a hemoglobin (Hb) level ⩽11.0 g/dL. Based on serum ferritin (sFr) and transferrin saturation (TSAT), patients were divided into 3 groups: group I (absolute iron deficiency, n = 26) with sFr < 30 ng/mL and TSAT < 20%; group II (functional iron deficiency, n = 24) with sFr 30-800 ng/mL and TSAT < 20%; and patients with TSAT ⩾ 20% were placed in group III as "others" (n = 34). All patients were treated with intravenous FCM. Serum hepcidin and C-reactive protein were used as biomarkers to predict response.
RESULTS: A total of 84 patients with a median age (SD) of 53.8 (10.6) were recruited. Baseline median Hb level was 10.2 (range: 8.3-11.0) gm/dL. At week 12, there was a significant increment in Hb level for patients in groups I and II (median increment: 2.35 and 1.5 gm/dL, respectively), with limited response observed in group III, and most of the increment noted as early as week 3 (⩾1.0 g/dL). Responders tended to have lower levels of hepcidin. No clinically significant adverse events were reported; however, asymptomatic hypophosphatemia was observed in 39 (46.4%) patients.
CONCLUSIONS: Intravenous FCM is a safe and effective treatment option for the management of a subgroup of patients with CIA.The study was registered at ClinicalTrials.gov [Identifier: NCT04246021].