Dexrazoxane for preventing anthracycline cardiotoxicity in children with solid tumors

Hyoung Soo Choi, Eun Sil Park, Hyoung Jin Kang, Hee Young Shin, Chung Il Noh, Yong Soo Yun, Hyo Seop Ahn, Jung Yun Choi, Hyoung Soo Choi, Eun Sil Park, Hyoung Jin Kang, Hee Young Shin, Chung Il Noh, Yong Soo Yun, Hyo Seop Ahn, Jung Yun Choi

Abstract

This study attempted to assess the incidence and outcome of anthracycline cardiotoxicity and the role of dexrazoxane as a cardioprotectant in childhood solid tumors. The dexrazoxane group included 47 patients and the control group of historical cohort included 42. Dexrazoxane was given in the 10:1 ratio to doxorubicin. Fractional shortening and systolic and diastolic left ventricular diameters were used to assess the cardiac function. The median follow-ups were 54 months in the dexrazoxane group and 86 months in the control group. The mean cumulative doses of doxorubicin were 280.8+/-83.4 mg/m(2) in the dexrazoxane group and 266.1+/-75.0 mg/m(2) in the control group. The dexrazoxane group experienced significantly fewer cardiac events (27.7% vs. 52.4%) and less severe congestive heart failure (6.4% vs. 14.3%) than the control group. Thirteen cardiotoxicities including one cardiac death and 2 congestive heart failures occurred in the dexrazoxane group, and 22 cardiotoxicities including 2 cardiac deaths and 4 congestive heart failures, in the control group. Five year cardiac event free survival rates were 69.2% in the dexrazoxane group and 45.8% in the control group (P=0.04). Dexrazoxane reduces the incidence and severity of early and late anthracycline cardiotoxicity in childhood solid tumors.

Keywords: Cardiotoxicity; Child; Dexrazoxane; Doxorubicin; Solid Tumors.

Figures

Fig. 1
Fig. 1
Kaplan-Meier analysis of cardiac event free survival.

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Source: PubMed

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