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Treatment outcomes of adolescent acute lymphoblastic leukemia treated on Tokyo Children’s Cancer Study Group (TCCSG) clinical trials
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  • 作者:Motohiro Kato (1) (2)
    Atsushi Manabe (3)
    Katsuyoshi Koh (4)
    Takeshi Inukai (5)
    Nobutaka Kiyokawa (6)
    Takashi Fukushima (7)
    Hiroaki Goto (8)
    Daisuke Hasegawa (3)
    Chitose Ogawa (9)
    Kazutoshi Koike (10)
    Setsuo Ota (11)
    Yasushi Noguchi (12)
    Akira Kikuchi (13)
    Masahiro Tsuchida (10)
    Akira Ohara (14)
  • 关键词:Acute lymphoblastic leukemia ; Adolescents ; Clinical trial
  • 刊名:International Journal of Hematology
  • 出版年:2014
  • 出版时间:August 2014
  • 年:2014
  • 卷:100
  • 期:2
  • 页码:180-187
  • 全文大小:218 KB
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  • 作者单位:Motohiro Kato (1) (2)
    Atsushi Manabe (3)
    Katsuyoshi Koh (4)
    Takeshi Inukai (5)
    Nobutaka Kiyokawa (6)
    Takashi Fukushima (7)
    Hiroaki Goto (8)
    Daisuke Hasegawa (3)
    Chitose Ogawa (9)
    Kazutoshi Koike (10)
    Setsuo Ota (11)
    Yasushi Noguchi (12)
    Akira Kikuchi (13)
    Masahiro Tsuchida (10)
    Akira Ohara (14)

    1. Department of Pediatrics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
    2. Department of Cell Therapy and Transplantation Medicine, The University of Tokyo, Tokyo, Japan
    3. Department of Pediatrics, St. Luke’s International Hospital, Tokyo, Japan
    4. Department of Hematology/Oncology, Saitama Children’s Medical Centre, Saitama, Japan
    5. Department of Pediatrics, University of Yamanashi, Kofu, Japan
    6. Department of Pediatric Hematology and Oncology Research, National Research Institute for Child Health and Development, Tokyo, Japan
    7. Department of Pediatrics, Tsukuba University, Tsukuba, Japan
    8. Division of Hemato-oncology/Regenerative Medicine, Kanagawa Children’s Medical Center, Yokohama, Japan
    9. Division of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan
    10. Department of Hematology/Oncology, Ibaraki Children’s Hospital, Mito, Japan
    11. Department of Pediatrics, Teikyo University Chiba Medical Center, Ichihara, Japan
    12. Department of Pediatrics, Japanese Red Cross Narita Hospital, Narita, Japan
    13. Department of Pediatrics, Teikyo University, Tokyo, Japan
    14. Department of Pediatrics, Toho University, Tokyo, Japan
  • ISSN:1865-3774
文摘
There is no standard treatment for adolescents aged 15?years or older with acute lymphoblastic leukemia (ALL), although this age group has been reported as having a poorer prognosis compared to younger patients. We retrospectively analyzed the outcomes of three consecutive Tokyo Children’s Cancer Study Group ALL trials (1995-006) of 373 patients aged 10?years or older, with particular focus on adolescents aged 15-8?years (older-adolescents n?=?41), compared to those aged 10-4?years (younger-adolescents n?=?332). The probability of event-free survival at 8?years was 67.5?±?7.4?% for the older-adolescents and 66.5?±?2.6?% for the younger-adolescents (p?=?0.95). Overall survival was 70.7?±?7.1?% for the older-adolescents and 74.3?±?2.4?% for the younger-adolescents (p?=?0.48). The differences between groups in relapse incidence, non-relapse mortality, and death rate during induction were not statistically significant, although the older-adolescents trended towards a higher frequency of having stem-cell transplantation during the first remission. In conclusion, our treatment strategy, which consists of intensive induction and block-type consolidation, provided improved outcomes for patients aged 15-8?years, comparable to those for patients aged 10-4?years.

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