• 1. The First Affiliated Hospital of Hebei Northern College, Zhangjiakou 075000, China;2. Evidence-Based Medicine Centre of Chinese PLA General Hospital, Beijing 100853, China;3. Peking University Third Hospital, Beijing 100191, China;
WANG Rui, Email: wangrui301@vip.sina.com
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Objective  To evaluate the prognostic value of the level of serum neurone specific enolase (NSE) in patients with small cell lung cancer (SCLC).
Methods  We searched MEDLINE, EMbase, CBMdisc, and The Cochrane Central Register of Controlled Trials (1950 to December 2007). Studies meeting the eligibility criteria were retrieved and their bibliographies were checked for other relevant publications. The quality of included studies was evaluated by 2 reviewers independently. Meta-analyses were performed for the results of homogeneous studies using STATA 7.0 software.
Results  Nine studies involving 2 021 SCLC patients were included. About 66.0% of patients had high serum levels of NSE, according to the cut-off value defined by the authors. The hazard ratio (HR) of high levels of NSE for overall survival (OS) was 1.27 times of that of low levels of NSE for OS in SCLC patients (95% CI 1.19 to 1.35, P=0.281).
Conclusion   Patients with high levels of NSE appear to have a poorer OS compared with those with low levels of NSE, thus the level of NSE has a prognostic value in SCLC patients. Due to the potential publication bias, selection bias, and measurement bias among these studies, the conclusion should be interpreted carefully. More high-quality homogeneous studies are required to accurately evaluate the prognostic value of NSE.

Citation: TANG Jianhua,ZHANG zhihua,WANG Rui,TANG Huilin,ZHANG Guiyun,LONG Liyan,CHEN liangan. Level of Serum Neurone Specific Enolase and Prognosis in Small Cell Lung Cancer: A Systematic Review. Chinese Journal of Evidence-Based Medicine, 2009, 09(1): 76-80. doi: 10.7507/1672-2531.20090016 Copy

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