Changes of T Lymphocyte Subsets in Peripheral Blood of Patients with Intermediate and Advanced Cervical Cancer before and after Nimotuzumab Combined with Chemoradiotherapy

中晚期宫颈癌患者尼妥珠单抗联合放化疗前后外周血T淋巴细胞亚群的变化

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作者:Fei Teng, Guimin Cui, Ligang Qian, Lujun Zhao

Conclusion

Nimo combined with CRT can protect the immune function of patients, improve the effective rate, and prolong the survival rate of patients with IACC.

Methods

Peripheral blood was extracted before and after treatment, and patients were randomly divided into the CRT group (N = 68) or the Nimo + CRT group (N = 68). The levels of tumor markers squamous cell carcinoma antigen (SCCA), carbohydrate antigen 125 (CA125), and carcinoembryonic antigen (CEA), tumor indexes leptin and insulin-like growth factor-2 (IGF2), and key secretory factors (interferon γ/tumor necrosis factor α/interleukin (IL)-4/IL-13) of Th1 and Th2 cells in the serum were detected. The levels of T lymphocyte subsets CD3+, CD4+, CD8+, and CD4+/CD8+ and the levels of Th1/Th2 and Th17/Treg in CD4+ cell subsets were determined by flow cytometry. The objective remission rate, progression-free survival (PFS), and overall survival (OS) of patients were analyzed, and Kaplan-Meier curves were drawn to show the prognosis of patients.

Results

After treatment, the levels of SCCA, CA125, CEA, leptin, and IGF2 in the serum of patients with IACC were decreased, the level of Th1/Th2 was increased, and the Th17/Treg level was decreased. The treatment effect of Nimo + CRT was more significant than that of CRT alone. Survival curve analysis showed that Nimo + CRT could prolong PFS and OS in patients with IACC. In addition, the follow-up results of patients showed that Nimo did not increase the incidence and severity of adverse reactions caused by CRT.

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