信迪利单抗联合贝伐珠单抗在晚期肝细胞癌中的应用现状与耐药机制
Current application and resistance mechanisms of sintilimab combined with bevacizumab in advanced hepatocellular carcinoma
肝细胞癌(HCC)在全球范围内疾病负担沉重,其发生与免疫抑制性肿瘤微环境密切相关。晚期HCC的系统治疗已进入免疫联合治疗时代,ORIENT-32研究奠定了信迪利单抗联合贝伐珠单抗方案的一线地位,其临床价值后续也被多项真实世界研究验证。耐药性是该方案及其他多种靶免联合方案应用时面临的重要挑战。当前研究重点正转向解析其临床表型与分子机制,并推动生物标志物从静态预测向动态监测的临床转化。未来,克服耐药、优化联合策略及实现精准个体化治疗,是提升患者生存获益的关键。本综述旨在系统评估信迪利单抗联合贝伐珠单抗方案在真实世界中的疗效与安全性,初步探讨其耐药机制,并综述预测疗效及指导克服耐药的关键生物标志物研究进展,为优化晚期HCC的精准治疗策略提供依据。
Hepatocellular carcinoma (HCC) imposes a significant global disease burden, and the development of HCC is closely associated with an immunosuppressive tumor microenvironment. Systemic therapy for advanced HCC has entered the era of immune combination therapy. The ORIENT-32 study has established the regimen of sintilimab combined with bevacizumab as the first-line therapy, and multiple real-world studies have confirmed its clinical value. Overcoming drug resistance remains a major challenge during the application of various combination regimens of targeted therapy and immunotherapy, including this particular regimen. Current research focus is gradually shifting toward deciphering its clinical phenotypes and molecular mechanisms, while promoting the clinical translation of biomarkers from static prediction to dynamic monitoring. In the future, overcoming drug resistance, optimizing combination strategies, and achieving precise individualized treatment are key to enhancing the survival benefit of patients. This article systematically evaluates the efficacy and safety of the sintilimab+bevacizumab regimen in a real-world setting, preliminarily discusses its drug resistance mechanism, and reviews the research advances in the biomarkers for predicting treatment response and guiding drug resistance overcoming, in order to provide a basis for optimizing the precise treatment strategies for advanced HCC.
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贵州省人民医院科研基金(GZSYBS2022203)
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