BCR-ABL Mutations in Chronic Myeloid Leukemia Treated With Tyrosine Kinase Inhibitors and Impact on Survival

被引:11
作者
Barbosa Pagnano, Katia Borgia [1 ]
Bendit, Israel [2 ]
Boquimpani, Carla [3 ]
De Souza, Carmino Antonio [1 ]
Miranda, Eliana C. M. [1 ]
Zalcberg, Ilana [4 ]
Larripa, Irene [5 ]
Nardinelli, Luciana [2 ]
Silveira, Rosana Antunes [1 ]
Fogliatto, Laura [6 ]
Spector, Nelson [7 ]
Funke, Vaneuza [8 ]
Pasquini, Ricardo [8 ]
Hungria, Vania [9 ]
Chiattone, Carlos Sergio [9 ]
Clementino, Nelma [10 ]
Conchon, Monika [11 ]
Beatriz Moiraghi, Elena [12 ]
Lopez, Jose Luis [13 ]
Pavlovsky, Carolina [14 ]
Pavlovsky, Miguel A. [14 ]
Cervera, Eduardo E. [15 ]
Antonio Meillon, Luis [16 ]
Simoes, Belinda [17 ]
Hamerschlak, Nelson [18 ]
Magarinos Bozzano, Alicia Helena [19 ]
Mayta, Ernesto [20 ]
Cortes, Jorge [21 ]
Bengio, Raquel M. [5 ]
机构
[1] Univ Estadual Campinas, UNICAMP, Hemoctr, BR-13083878 Campinas, SP, Brazil
[2] Univ Sao Paulo, Lab Biol Tumoral, Sao Paulo, SP, Brazil
[3] Hemorio, Rio De Janeiro, RJ, Brazil
[4] Inst Nacl Canc, Rio De Janeiro, RJ, Brazil
[5] Acad Nacl Med Buenos Aires, Inst Invest Hematol, Buenos Aires, DF, Argentina
[6] Hosp Clin Porto Alegre, Porto Alegre, RS, Brazil
[7] Univ Fed Rio de Janeiro, Rio De Janeiro, RJ, Brazil
[8] Univ Fed Parana, BR-80060000 Curitiba, Parana, Brazil
[9] Santa Casa Sao Paulo, Sao Paulo, SP, Brazil
[10] Univ Fed Minas Gerais, Belo Horizonte, MG, Brazil
[11] Hosp Santa Marcelina, Sao Paulo, SP, Brazil
[12] Hosp Ramos Mejia, Buenos Aires, DF, Argentina
[13] Banco Municipal Sangre DC, Caracas, Venezuela
[14] FUNDALEU, Buenos Aires, DF, Argentina
[15] INCAN, Mexico City, DF, Mexico
[16] Ctr Med Nacl Siglo XXI, Mexico City, DF, Mexico
[17] Univ Sao Paulo, BR-14049 Ribeirao Preto, SP, Brazil
[18] Hosp Israelita Albert Einstein, Sao Paulo, SP, Brazil
[19] Hosp Maciel, Montevideo, Uruguay
[20] Inst Oncol Nacl, Panama City, Panama
[21] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
基金
巴西圣保罗研究基金会;
关键词
Chronic myeloid leukemia; BCR-ABL mutations; Imatinib; Resistance; Tyrosine kinase inhibitors; CHRONIC MYELOGENOUS LEUKEMIA; GIMEMA WORKING PARTY; DOMAIN MUTATIONS; EUROPEAN-LEUKEMIANET; IMATINIB RESISTANCE; MANAGEMENT; THERAPY; CML; RECOMMENDATIONS; MESYLATE;
D O I
10.3109/07357907.2015.1065499
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
This is the largest Latin American study of BCR-ABL mutations in chronic myeloid leukemia (CML) patients, resistant to imatinib (IM). In 195/467 (41%) patients, mutations were detected. The most frequent mutation was T315I (n=31, 16%). Progression-free (PFS) and overall survival (OS) at 5 years were lower in patients with BCR-ABL mutations (43% vs. 65%, p=0.07 and 47% vs. 72%, p=0.03, respectively) and in those with the T315I mutation (p=0.003 and p=0.03). OS and PFS were superior in subgroup who switched to second generation inhibitors (SGIs) after IM failure (OS: 50% vs. 39% p=0.01; PFS: 48% vs. 30% p=0.02). BCR-ABL mutations conferred a significant poor prognosis in CML patients.
引用
收藏
页码:451 / 458
页数:8
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