Abstract
Purpose
Extensive studies have investigated the prognostic value of CD56 for patients with acute myeloid leukemia (AML), but the results remained inconclusive. The aim of this meta-analysis is to resolve this controversial issue.
Methods
A systematic search of PubMed, Embase, Cochrane Library, and CBM was performed to identify studies that assessed the prognostic value of CD56 in AML patients. Pooled hazard ratios (HRs) with 95 % confidence intervals (CIs) for overall survival (OS) and disease-free survival (DFS) and pooled odds ratio (OR) with 95 % CIs for complete remission rate (CRR) and relapse rate (RR) were calculated.
Results
Totally, 32 studies with 4074 patients were included. For AML with t(8;21) translocation, CD56 overexpression was associated with shorter OS (HR 2.22; 95 % CI 1.30–3.78) and DFS (HR 2.63; 95 % CI 1.10–6.29) and increased RR (OR 3.29; 95 % CI 1.67–6.48), but did not affect CRR (OR 0.94; 95 % CI 0.49–1.80). For AML with t(15;17) translocation, CD56 overexpression was associated with shorter OS (HR 2.43; 95 % CI 1.66–3.57) and DFS (HR 4.27; 95 % CI 1.15–15.78), increased RR (OR 3.11; 95 % CI 2.01–4.81), and decreased CRR (OR 0.42; 95 % CI 0.25–0.72). For AML as a whole, CD56 overexpression was associated with shorter OS (HR 1.74; 95 % CI 1.38–2.19) and DFS (HR 2.38; 95 % CI 1.87–3.02), increased RR (OR 5.19; 95 % CI 2.84–9.48), and decreased CRR (OR 0.62; 95 % CI 0.41–0.96).
Conclusions
This meta-analysis indicated that CD56 overexpression may be an adverse prognostic factor for AML.
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Acknowledgments
This study was supported by National Science Foundation of China (81470324, 30971066), Postgraduate Education Reform Project of Chongqing (yjg123114), and Third Military Medical University Clinic and Science Great Fund Project (2012XLC03).
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Fig. 1
Sensitivity analysis of the association between CD56 expression level and a overall survival (OS), b disease free survival (DFS), c relapse rate (RR) and d complete remission rate (CRR) for AML with t(8;21) translocation by only including high quality studies. (EPS 970 kb)
Fig. 2
Sensitivity analysis of the association between CD56 expression level and a overall survival (OS), b disease free survival (DFS), c relapse rate (RR) and d complete remission rate (CRR) for AML with t(15;17) translocation by only including high quality studies. (EPS 1035 kb)
Fig. 3
Sensitivity analysis of the association between CD56 expression level and a overall survival (OS), b disease free survival (DFS), c relapse rate (RR) and d complete remission rate (CRR) for AML as a whole by only including high quality studies. (EPS 979 kb)
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Xu, S., Li, X., Zhang, J. et al. Prognostic value of CD56 in patients with acute myeloid leukemia: a meta-analysis. J Cancer Res Clin Oncol 141, 1859–1870 (2015). https://doi.org/10.1007/s00432-015-1977-3
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DOI: https://doi.org/10.1007/s00432-015-1977-3