Prediction of chemotherapeutic efficacy using the ratio of neutrophils to lymphocytes in patients with unresectable or recurrent gastric cancer

Liu,Huanran; Song,Mingzhi; Fang,Fengqi; Gao,Xue; Zhang,Zhen; Wang,Shouyu

doi:10.3892/ol.2015.3575

Prediction of chemotherapeutic efficacy using the ratio of neutrophils to lymphocytes in patients with unresectable or recurrent gastric cancer

Authors:
- Huanran Liu
- Mingzhi Song
- Fengqi Fang
- Xue Gao
- Zhen Zhang
- Shouyu Wang
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Affiliations: Department of Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China, Department of Phymatology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China, Department of Diagnostic Pathology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
Published online on: August 4, 2015 https://doi.org/10.3892/ol.2015.3575
Pages: 2244-2248

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Abstract

In cancer patients, the balance between neutrophil (N) and lymphocyte (L) cell counts fluctuates with the tumor load. The objective of the present study was to determine the implications of the chemotherapy effect by the fluctuations of N/L ratio in patients with unresectable or recurrent gastric cancer. The study participants were identified from a prospective cohort of patients with unresectable or recurrent gastric cancer (n=135). The median N/L ratio was 3.23 (range: 0.76‑20.45) prior to chemotherapy (pre‑chemo‑N/L ratio) and 2.55 (range: 1.17‑13.45) following 2‑4 weeks from when the chemotherapy was completed (post‑chemo‑N/L ratio), respectively. The median overall survival was 7.9 months. The results demonstrated that the N/L ratio of the post‑chemotherapy was significantly reduced compared with the pre‑chemotherapy group (P<0.001). The survival rate for the pre‑chemo‑N/L ratio ≥4.0 group was significantly reduced compared to the N/L <4.0 group (P=0.01). The difference of the pre‑chemo‑N/L ratio subtracted from the post‑chemo‑N/L ratio can inflect the chemotherapy effect, respectively. These results indicate that the N/L ratio may be used to predict the potential chemotherapy efficacy in unresectable or recurrent gastric cancer.

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