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接受派姆单抗治疗的晚期尿路上皮癌患者中 C 反应蛋白flare 反应的影响。

Impact of C-reactive Protein Flare Response in Patients With Advanced Urothelial Carcinoma Who Received Pembrolizumab.

机构信息

Department of Urology, University of Occupational and Environmental Health, Kitakyushu, Japan;

Department of Urology, University of Occupational and Environmental Health, Kitakyushu, Japan.

出版信息

In Vivo. 2021 Nov-Dec;35(6):3563-3568. doi: 10.21873/invivo.12659.

Abstract

BACKGROUND/AIM: To clarify the clinical significance of the temporary elevated C-reactive protein (CRP) levels followed by a decrease below baseline (CRP flare response) after administration of pembrolizumab to patients with advanced urothelial carcinoma (UC).

PATIENTS AND METHODS

We retrospectively reviewed 31 patients with advanced UC who received pembrolizumab. Patients were categorized into 3 groups (flare-responder, responder, non-responder) according to early CRP kinetics. Intergroup tumor response and survivals were compared.

RESULTS

Objective response rates of flare-responder, responder, and non-responder groups were 75%, 80%, and 26%, respectively. Median overall survival was not reached in flare-responder and responder groups, and was 10.2 months in the non-responder group (p=0.03). Furthermore, the flare-responder group did not reach median progression-free survival, and for the responder and non-responder groups it was 15.2 and 2.8 months, respectively (p=0.03).

CONCLUSION

CRP flare response might be a promising biomarker in patients with advanced UC who received pembrolizumab.

摘要

背景/目的:阐明在晚期尿路上皮癌(UC)患者中接受派姆单抗治疗后 C 反应蛋白(CRP)水平暂时升高后下降至基线以下(CRP 爆发反应)的临床意义。

患者和方法

我们回顾性分析了 31 例接受派姆单抗治疗的晚期 UC 患者。根据早期 CRP 动力学,患者分为 3 组(爆发反应组、反应组、无反应组)。比较组间肿瘤反应和生存情况。

结果

爆发反应组、反应组和无反应组的客观缓解率分别为 75%、80%和 26%。爆发反应组和反应组的中位总生存期未达到,无反应组为 10.2 个月(p=0.03)。此外,爆发反应组无进展生存期未达到,反应组和无反应组分别为 15.2 个月和 2.8 个月(p=0.03)。

结论

在接受派姆单抗治疗的晚期 UC 患者中,CRP 爆发反应可能是一种有前途的生物标志物。

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