• Li-Jun Shao, Hai-Jiang Wang, Jia-Rong Wang, Xiao-Fei Yuan, and Quan Sha.
• Li-jun Shao, Department of Urology, Baoding No.1 Hospital, Baoding, 071000, Hebei, P.R. China.
• Pak J Med Sci. 2022 May 1; 38 (5): 1243-1249.

ObjectivesTo evaluate the clinical value of intravesical gemcitabine combined with immunotherapy in patients with non-muscle-invasive bladder carcinoma (NMIBC) after transurethral resection of bladder tumor (TURBT).MethodsEighty patients with non-muscle-invasive urothelial carcinoma treated in Baoding No.1 Hospital from November 2016 to November 2019 were randomly divided into two groups, with 40 patients in each group. Both groups underwent TURBT. After surgery, the research group was treated with intravesical chemotherapy using gemcitabine combined with ubenimex, while the control group was given 40 mg pirarubicin by intravesical instillation. Postoperative condition was evaluated by cystoscopy every three months in both groups. The recurrence six months, one year and two years after treatment, the incidence of lower urinary tract symptoms such as dysuria, hematuria and frequent urination, general adverse drug reactions such as rashes, liver function damage and gastrointestinal reaction, as well as the changes in CD3+, CD4+, CD8+ and CD4+/CD8+ T lymphocyte subsets before and after treatment were comparatively analyzed between the two groups.ResultsThe recurrence rate showed no statistical significance between the two groups 6 months after treatment (p=0.17), but significant differences one year (p=0.04) and two years (p=0.03) after treatment, which were significantly lower in the research group than the control group. The incidence of adverse drug reactions was 22.5% in the research group and 7.5% in the control group, without significant difference (p=0.36). The incidence of lower urinary tract symptoms was 32.5% and 55%, respectively, in the research group and the control group. The incidence of lower urinary tract symptoms in the research group was significantly lower compared with the control group, with a statistically significant difference (p=0.04). After treatment, CD3+, CD4+ and CD4+/CD8+ levels in the research group increased significantly than those in the control group, with statistically significant differences (CD3+, p=0.01; CD4+, p=0.00; CD4+/CD8+, p=0.00).ConclusionsFor NMIBC patients receiving bladder-preserving surgery, intravesical gemcitabine combined with immunotherapy can reduce the recurrence rate, relieve lower urinary tract symptoms, increase the tolerance of patients to intravesical chemotherapy and significantly improve the function of T lymphocytes, without obvious increase in adverse drug reactions. Therefore, it is safe and effective, and has certain clinical value.Copyright: © Pakistan Journal of Medical Sciences.

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