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Journal of Pediatric Hematology/Oncology:
doi: 10.1097/MPH.0000000000000039
Original Articles

Assessment of Corticosteroid-induced Osteonecrosis in Children Undergoing Chemotherapy for Acute Lymphoblastic Leukemia: A Report From the Japanese Childhood Cancer and Leukemia Study Group

Hyakuna, Nobuyuki MD; Shimomura, Yasuto MD; Watanabe, Arata MD; Taga, Takashi MD; Kikuta, Atsushi MD; Matsushita, Takeji MD; Kogawa, Kazuhiro MD; Kawakami, Chihiro MD; Horikoshi, Yasuo MD; Iwai, Tsuyako MD; Okamoto, Yasuhiro MD; Tsurusawa, Masahito MD; Asami, Keiko MD; for The Japanese Childhood Cancer and Leukemia Study Group (JCCLSG)

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Abstract

Steroid-induced osteonecrosis (ON) is a challenging complication encountered during modern chemotherapy for childhood acute lymphoblastic leukemia (ALL). We retrospectively assessed the incidence of ON and its risk factors in a total of 1095 patients enrolled in 3 consecutive Japanese Children’s Cancer and Leukemia Study Group ALL studies (ALL941 [1994 to 2000], n=464; ALL2000 [2000 to 2004], n=305; and ALL2004 [2004 to 2010], n=326). ON was diagnosed in 16 patients, of whom 15 were symptomatic. The cumulative incidence of ON was 0.76% in ALL941, 0.35% in ALL2000, and 3.6% in ALL2004. The incidence of ON in ALL941/2000, in which only prednisolone was administered as a steroid, was significantly lower than that in ALL2004, in which dexamethasone was used as a partial substitute for prednisolone (P<0.01). In ALL2004, sex and age were significantly correlated with the incidence of ON (1.3% in boys vs. 6.7% in girls, P=0.0132; 0.42% for age <10 y vs. 15.6% for age ≥10 y, P<0.0001), suggesting that girls aged 10 years and above are at a greater risk of ON onset. These results indicate that the risk of ON should be considered when administering dexamethasone as part of ALL protocol treatment in girls aged 10 years and above.

© 2014 by Lippincott Williams & Wilkins.

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