期刊
BRITISH JOURNAL OF HAEMATOLOGY
卷 178, 期 4, 页码 521-533出版社
WILEY
DOI: 10.1111/bjh.14791
关键词
chronic lymphocytic leukaemia; allogeneic stem cell transplantation; risk factor analysis; centre effects; frailties
类别
The best approach for allogeneic haematopoietic stem cell transplantations (alloHCT) in patients with chronic lymphocytic leukaemia (CLL) is unknown. We therefore analysed the impact of procedure- and centre-related factors on 5-year event-free survival (EFS) in a large retrospective study. Data of 684 CLL patients who received a first alloHCT between 2000 and 2011 were analysed by multivariable Cox proportional hazards models with a frailty component to investigate unexplained centre heterogeneity. Five-year EFS of the whole cohort was 37% (95% confidence interval [CI], 34-42%). Larger numbers of CLL alloHCTs (hazard ratio [HR] 0.96, P = 0.002), certification of quality management (HR 0.7, P = 0.045) and a higher gross national income per capita (HR 0.4, P = 0.04) improved EFS. In vivo T-cell depletion (TCD) with alemtuzumab compared to no TCD (HR 1.5, P = 0.03), and a female donor compared to a male donor for a male patient (HR 1.4, P = 0.02) had a negative impact on EFS, but not non-myeloablative versus more intensive conditioning. After correcting for patient-, procedure- and centre-characteristics, significant variation in centre outcomes persisted. In conclusion, further research on the impact of centre and procedural characteristics is warranted. Non-myeloablative conditioning appears to be the preferable approach for patients with CLL.
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