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자료유형
학술저널
저자정보
저널정보
대한암학회 Cancer Research and Treatment Cancer Research and Treatment 제51권 제1호
발행연도
2019.1
수록면
150 - 157 (8page)

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Purpose Determine the frequency and prognostic value of circulating Epstein-Barr virus (EBV) DNA copy number in angioimmunoblastic T-cell lymphoma (AITL) patients who were treated with dose-adjusted etoposide, prednisone, vincristine, cyclophosphamide and doxorubicin (DA-EPOCH) regimens. Materials and Methods Sixty newly-diagnosed AITL patients were retrospectively enrolled in the present study. All patients were treated with DA-EPOCH regimen. Results Twenty-two subjects (36.7%) had a EBV DNA-positive test at diagnosis. EBV DNApositive patients were associated with lower lymphocyte-monocyte ratio (p=0.024). Median followup was 40 months (range, 14 to 100 months). The overall response rate for all the 60 AITL patents were 71.7% (95% confidence interval [CI], 58.6 to 82.5) with 3-year progressivefree survival (PFS) rate of 30.9%±6.1% and overall survival (OS) rate of 60.1%±6.6%. Not only did PFS estimation differ between the EBV DNApositive and EBV DNAnegative group (hazard ratio [HR], 2.24; 95% CI, 1.15 to 4.35; p=0.006), but also worse OS was observed in the pretreatment EBV DNApositive group than in the EBV DNAnegative group (HR, 2.74; 95% CI, 1.22 to 6.19; p=0.006). EBV DNA test positivity was independent prognostic marker for both PFS (HR, 2.17; 95% CI, 1.17 to 4.00; p=0.014) and OS (HR, 3.24; 95% CI, 1.48 to 7.11; p=0.004) after adjusting International Prognostic Index and prognostic index for AITL score. Reduction in EBV copies was significantly associated with therapy-response. Conclusion Circulating EBV DNA level was an important prognostic and monitoring marker for AITL patients who treated with DA-EPOCH regimens which cannot improve outcomes for AITL patients.

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