Objective To investigate the efficacy of tirellizumab combined with chemotherapy in the treatment of advanced non-small cell lung cancer and its effect on immune function and quality of life in patients.Methods In this retrospective case-control study,we analyzed the clinical data of 104 patients with advanced(stages Ⅲ and Ⅳ)non-small cell lung cancer who received treatment at Zhoushan Hospital between May 2021 and June 2022.These patients were divided into two groups:group A(n=52)and group B(n=52),based on the treatment methods utilized.Patients in group A received chemotherapy with gemcitabine plus cisplatin or pemetrexed plus cisplatin.Meanwhile,patients in group B were treated with tirellizumab combined with chemotherapy regimens of gemcitabine plus cisplatin or pemetrexed plus cisplatin,with 21 days as a treatment cycle.Both groups of patients received three cycles of treatment.The short-term efficacy was compared between the two groups.Additionally,serum levels of tumor markers,immune function indexes,quality of life score,and incidence of adverse reactions were compared between the two groups before and after treatment.Results The short-term response rate in group B was signifiicantly higher than that in group A[51.92％(27/52)vs.32.69％(17/52),Z=4.11,P＜0.001].When compared with pretreatment levels,serum levels of tumor markers and the percentage of CD8+cells decreased in both groups after treatment.Notably,the serum levels of tumor markers and the percentage of CD8+cells were significantly lower in group B compared with group A(all P＜0.05).Moreover,after treatment,the percentage of CD4+cells,the ratio of CD4+/CD8+cells,functional subscale,symptom subscale,and total score increased significantly compared with pretreatment levels(all P＜0.05)and were significantly higher in group B compared with those in group A(all P＜0.05).The incidence of adverse events in group B was significantly higher than that in group A[44.23％(23/52)vs.21.15％(11/52),x2=6.29,P=0.012].Conclusion Tirelizumab combined with chemotherapy is effective for advanced non-small-cell lung cancer.The combined therapy can lower serum levels of tumor markers,restore immune function,and improve overall quality of life.
Carcinoma,non-small-cell lungAntineoplastic agentsAntineoplastic combined chemotherapy protocolsBiomarkers,tumorImmunity,cellularQuality of lifeTirelizumab
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