title: Clinical features and prognostic significance of TCF3-PBX1 fusion gene in Chinese children with acute lymphoblastic leukemia by using a modified ALL-BFM-95 protocol.
abstract: For children with precursor B (pre-B) acute lymphoblastic leukemia (ALL) with TCF3-PBX1 fusion gene, their prognosis has been a controversial topic. From January 2008 to December 2012 in our hospital, 450 patients were diagnosed as ALL. Clinical characteristics of 20 patients with TCF3-PBX1 fusion gene were analyzed retrospectively, which were classified to the intermediate-risk (IR) group according to Chinese Children Leukemia Group-2008 (CCLG-2008) risk-stratification criteria and protocol based on the backbone of BFM 95 trails. Eighty five cases without TCF3-PBX1 in the same IR group were regarded as the comparison group. There were no differences in age, gender, initial white blood cell (WBC) count, status of central nerves system (CNS) at diagnosis and complete remission (CR) rates of bone marrow (BM) between the two groups (P > .05). The 5-year probability of event-free survival (EFS) rates were 84.4 ± 15.6% and 73.5 ± 15.6% in the TCF3-PBX1 group and the comparison group (P = .35), respectively. The 5-year probability of overall survival (OS) rates were 86.0 ± 17.6% and 81.8 ± 17.6% (P = .46), respectively. Relapse rates were 10.5% and 12.9% (P = 1.00), respectively. There were not cases with CNS relapse in the TCF3-PBX1 group. When intensive chemotherapy was used, the TCF3-PBX1 was associated with a favorable outcome in childhood pre-B ALL.
authors.affiliation: 1Department of Hematology and Oncology of Affiliated Children's Hospital, Soochow University , Suzhou, Jiangsu , China.
authors.forename: Li
authors.initials: L
authors.lastname: Pang
authors.forename: Ying
authors.initials: Y
authors.lastname: Liang
authors.forename: Jian
authors.initials: J
authors.lastname: Pan
authors.forename: Jian-Rong
authors.initials: JR
authors.lastname: Wang
authors.forename: Yi-Huan
authors.initials: YH
authors.lastname: Chai
authors.forename: Wen-Li
authors.initials: WL
authors.lastname: Zhao
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D044466:Asian People / Q000208:ethnology; D001215:Asparaginase / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D002681:China; D003520:Cyclophosphamide / Q000627:therapeutic use; D003561:Cytarabine / Q000627:therapeutic use; D003630:Daunorubicin / Q000627:therapeutic use; D018572:Disease-Free Survival; D005260:Female; D006801:Humans; D007223:Infant; D007621:Karyotyping / Q000379:methods; D008297:Male; D015122:Mercaptopurine / Q000627:therapeutic use; D015514:Oncogene Proteins, Fusion / Q000235:genetics*; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000175:diagnosis* / Q000188:drug therapy / Q000208:ethnology / Q000235:genetics*; D011239:Prednisolone / Q000627:therapeutic use; D011379:Prognosis; D012189:Retrospective Studies; D014750:Vincristine / Q000627:therapeutic use
chemical_list: D015514:Oncogene Proteins, Fusion; C543638:TCF3-PBX1 fusion protein, human; D003561:Cytarabine; D014750:Vincristine; D003520:Cyclophosphamide; D011239:Prednisolone; D015122:Mercaptopurine; D001215:Asparaginase; D003630:Daunorubicin
keywords: TCF3-PBX1 fusion gene; acute lymphoblastic leukemia; children; intensive chemotherapy; prognosis