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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2013, Vol. 18 ›› Issue (1): 45-50.

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Relationship between ERCC1 expression and sensitivity of platinum-based chemotherapy in NSCLC: a systematic review

XU Feng-hua1, GUO Rong-rong1, LI Xin1, LONG Li-yan2, ZHANG Gui-yun2   

  1. 1Division of Pharmaceutics Preparation,2Medical Information Center, Chinese PLA General Hospital, Beijing 100853, China
  • Received:2011-11-18 Revised:2011-11-18 Published:2013-02-05

Abstract: AIM: To evaluate the relationship between the expression of excision repair cross-complement 1 (ERCC1) gene and platinum-based chemotherapy sensitivity in non-small cell lung cancer. METHODS: Database including Medline (1991.1-2009.12), Pubmed, CBMDisc were searched and randomized clinical trials as well as retrospective case studies were collected. Meta analysis was executed using RevMan 4.2 software. RESULTS: One randomized controlled trial (RCT) and nine case reports were identified and anlyzed. The results of nine case reports indicated that the response rate of ERCC1-negative patients to platinum-based chemotherapy was obviously higher than that of ERCC1-positive patients(P=0.02). One retrospective research reported longer time to progression (TTP) (P<0.05) and two reported longer overall survival in ERCC1-negative patients (P<0.05) compared with those ERCC1-positive patients. The results of RCT indicated that adjuvant chemotherapy significantly prolonged survival among low ERCC1 expression patients compared with observation but not among patients with high ERCC1 expression. Better adjuvant regimen for high ERCC1 patients is needed.CONCLUSION: Low ERCC1 expression patients are benefit from platinum-based chemotherapy, but patients with high ERCC1 expression are not sensitive to platinum-based chemotherapy. ERCC1 is a useful biomarker to clinically predict the efficacy of adjuvant chemotherapy in NSCLC.

Key words: Non-small cell lung cancer (NSCLC), Excision repair cross-complement 1 (ERCC1), Chemotherapy sensitivity, Platinum drugs

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