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Introduction: Acute lymphoblastic leukemia (ALL) is a malign disease with poor prognosis in adults. After remission is achieved by induction therapy, administration of allogeneic hematopoietic stem-cell transplantation (AHSCT) is one of the standard treatment in adult ALL patients. Pediatric-inspired chemotherapy has been demonstrated to improve outcomes of adult ALL. The aim of this study was to compare the Berlin-Frankfurt-Münster-95 chemotherapy (BFM-95) regimen and AHSCT results in ALL patients with first complete remission.
Patients And Methods: Forty-seven patients who received the BFM-95 regimen and 83 patients who underwent AHSCT were compared. Primary endpoints were comparison of overall survival (OS) and disease-free survival (DFS) between groups.
Results: There was no significant difference between the groups in terms of age, gender, or performance status. In BFM-95 and AHSCT, relapsed disease occurred in 11 (23.4%) and 24 (28.9%), respectively; the respective values for treatment-related mortality were 6 (12.7%) and 10 (12%) (P = .32 and .91). Five-year DFS was 38% with BFM-95 and 57% with AHSCT (P = .014). There was no 5-year OS difference in both groups (64% vs 60%, P = .13). While leukocyte count < 30 × 10/L at the time of diagnosis (hazard ratio, 2.7; P = .021) and prophylaxis of central nervous system (hazard ratio, 2; P = .036) were prognostic for OS, the only factor that had a prognostic effect on DFS was AHSCT (hazard ratio, 1.6; P = .041).
Conclusion: AHSCT currently offers no special OS advantage but increases DFS compared to the BFM-95 regimen. AHSCT may be considered at first complete remission in patients at low risk of transplant-related mortality.
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| http://dx.doi.org/10.1016/j.clml.2020.12.014 | DOI Listing |
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