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Tumor Biology

, Volume 37, Issue 4, pp 4955–4961 | Cite as

Predictive value of blood lipid association with response to neoadjuvant chemoradiotherapy in colorectal cancer

  • Yan Wang
  • Chengxin Liu
  • Jianbo Zhang
  • Yuanyuan Liu
  • Guanzhong Gong
  • Xinkai Mo
  • Pei Liu
  • Baosheng Li
  • Yong Yin
Original Article

Abstract

The aim of this research was to explore whether blood lipid parameters could predict tumor regression grading (TRG) and compare with the predictive value of carcinoembryonic antigen (CEA) in patients with locally advanced colorectal cancer (LARC) treated with neoadjuvant chemoradiotherapy (nCRT). Between June 2011 and January 2015, the records of 176 patients with primary colorectal adenocarcinoma treated with nCRT followed by radical surgery were reviewed retrospectively. Total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL), high-density lipoprotein (HDL), and pre-CEA were measured before nCRT, and post-CEA was measured before surgery. A total of 129 (73.3 %) good responders (TRG 3–4) and 47 (26.7 %) poor responders (TRG 0–2) were assessed after the nCRT. TC, LDL, HDL, and ΔCEA were 6.56 ± 0.95, 3.08 ± 0.72, and 1.43 ± 0.25 mmol/L and −0.69 ± 8.33 μg/mL in poor responders compared with 5.15 ± 1.29, 2.39 ± 0.5, and 1.37 ± 0.32 mmol/L and 16.67 ± 30.18 μg/mL in good responders, respectively (p < 0.05). TG, pre-CEA, and post-CEA were not significantly different. Multivariate logistic regression analysis revealed TC and ΔCEA as independent factors in predicting TRG; TC showed a sensitivity of 62.79 %, a specificity of 91.49 %, a Youden index of 0.543, a cutoff value of 5.52, and an AUC of 0.800 compared with ΔCEA (sensitivity 76.74 %, specificity 65.96 %, Youden index 0.427, and AUC 0.761). TC has a better predictive value than ΔCEA and hence might serve as a predictor of TRG in LARC patients.

Keywords

Blood lipid parameters Neoadjuvant chemoradiotherapy Prediction Colorectal cancer Tumor regression grading 

Notes

Acknowledgments

The National Natural Science Fund of Shandong Province (No. ZR2015PH012 and No. ZR2015YL031) and Research Award Fund for Outstanding Young Scientists of Shandong Province (No. BS2011YY016) aided this research. The assistance from the clinical and technical colleagues is highly appreciated, who provided immense support during protocol designing, data collection and analysis, and manuscript writing.

Compliance with ethical standards

Conflicts of interest

None

Ethics approval and consent to participate

The study was approved by the Institutional Review Board. Informed consent was obtained from each patient.

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Copyright information

© International Society of Oncology and BioMarkers (ISOBM) 2015

Authors and Affiliations

  • Yan Wang
    • 1
  • Chengxin Liu
    • 2
  • Jianbo Zhang
    • 2
  • Yuanyuan Liu
    • 3
  • Guanzhong Gong
    • 2
  • Xinkai Mo
    • 2
  • Pei Liu
    • 4
  • Baosheng Li
    • 2
  • Yong Yin
    • 2
  1. 1.Department of Radiation Oncology, Qilu HospitalShandong UniversityJinanChina
  2. 2.Department of Radiation OncologyShandong Cancer Hospital and InstituteJinanChina
  3. 3.Department of Medical Record StatisticsShandong Jiaotong HospitalJinanChina
  4. 4.Department of Plastic Surgery, Qilu HospitalShandong UniversityJinanChina

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