Cancer immunology, immunotherapy : CII · 2022
A real-world study of the efficacy and safety of anti-PD-1 antibodies plus lenvatinib in patients with advanced gallbladder cancer.
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Zuo Bangyou, Yang Xiaobo, Yang Xu, Bian Jin, Long Junyu, Wang Dongxu, Ning Cong, Wang Yanyu, Xun Ziyu, Wang Yunchao, Lu Xin, Mao Yilei, Sang Xinting, Zhao Haitao
Аннотация
BACKGROUND: Anti-PD-1 antibodies plus lenvatinib therapeutic regimens have demonstrated a relatively high antitumor response in many solid cancers; however, the efficacy and safety of anti-PD-1 antibodies plus lenvatinib in patients with advanced gallbladder cancer (GBC) has not been reported.
METHODS: Advanced GBC patients who received anti-PD-1 antibodies plus lenvatinib were retrospectively screened. Overall survival (OS), progression-free survival (PFS), objective response rate (ORR), disease control rate (DCR), clinical benefit rate (CBR), PD-L1 expression and safety were evaluated to identify efficacy biomarkers.
RESULTS: A total of 31 GBC patients were included in this study. After a median follow-up of 8 months and 23 deaths were observed. The median PFS was 5.0 months (95% CI: 4.1-8.0 months), and the median OS was 11.3 months (95% CI: 7.5-20.9 months). Overall, the ORR was 32.3%, the DCR was 83.9%, and the CBR was 41.9%. Moreover, after treatment, 3 patients received conventional surgery, in which 1 patient achieved a pathological complete response. All patients (100%) experienced adverse events (AEs), and 58.1% of the patients experienced grade 3 AEs. The most commonly observed grade 3 AEs included fatigue (5/31, 16.1%), decreased appetite (5/31, 16.1%), hypertension (4/31, 12.9%) and bilirubin elevation (4/31, 12.9%). Subgroup analysis revealed that positive PD-L1 expression maybe associate with a longer PFS.
CONCLUSION: Anti-PD-1 antibodies plus lenvatinib represent an effective and tolerable therapy for patients with advanced gallbladder cancer.
METHODS: Advanced GBC patients who received anti-PD-1 antibodies plus lenvatinib were retrospectively screened. Overall survival (OS), progression-free survival (PFS), objective response rate (ORR), disease control rate (DCR), clinical benefit rate (CBR), PD-L1 expression and safety were evaluated to identify efficacy biomarkers.
RESULTS: A total of 31 GBC patients were included in this study. After a median follow-up of 8 months and 23 deaths were observed. The median PFS was 5.0 months (95% CI: 4.1-8.0 months), and the median OS was 11.3 months (95% CI: 7.5-20.9 months). Overall, the ORR was 32.3%, the DCR was 83.9%, and the CBR was 41.9%. Moreover, after treatment, 3 patients received conventional surgery, in which 1 patient achieved a pathological complete response. All patients (100%) experienced adverse events (AEs), and 58.1% of the patients experienced grade 3 AEs. The most commonly observed grade 3 AEs included fatigue (5/31, 16.1%), decreased appetite (5/31, 16.1%), hypertension (4/31, 12.9%) and bilirubin elevation (4/31, 12.9%). Subgroup analysis revealed that positive PD-L1 expression maybe associate with a longer PFS.
CONCLUSION: Anti-PD-1 antibodies plus lenvatinib represent an effective and tolerable therapy for patients with advanced gallbladder cancer.