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Abstract BACKGROUND: Among the well described cytogenetic abnormalities in adults with acute lymphoblastic leukemia (ALL), a translocation involving chromosomes 1 and 19 (t1;19 q23;p13) occurs in a small subset but has been associated variously with an intermediate prognosis or a bad prognosis in different studies. METHODS: Adults with ALL and t(1;19) who were treated at The University of Texas M. D. Anderson Cancer Center were reviewed. Their clinical features and outcomes were compared with those of patients who had other cytogenetic abnormalities. The study endpoints included the complete remission (CR) rate, the complete response duration (CRD), and overall survival (OS). RESULTS: Of 411 adults with pre‐B‐cell ALL, 12 patients had t(1;19). Ten of 12 patients with t(1;19) received hyperfractionated cyclophosphamide, vincristine, doxorubicin (Adriamycin), and dexamethasone alternating with methotrexate and high‐dose cytarabine (hyper‐CVAD) chemotherapy; and the other 2 patients received combined vincristine, doxorubicin, and dexamethasone (VAD). All 12 patients achieved CR, and the 3‐year survival rate was 73%. Patients with t(1;19) had significantly better CRD and OS compared with all other patients combined and compared individually with patients who had Philadelphia chromosome‐positive, t(4;11), and lymphoma‐like abnormalities (deletion 6q, addition q14q, t11;14, and t14;18). CONCLUSIONS: Adults with ALL and t(1;19) had an excellent prognosis when the received the hyper‐CVAD regimen. Cancer 2009. © 2009 American Cancer Society.
Garg et al. (Thu,) studied this question.
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