新辅助化疗联合免疫治疗在局部晚期宫颈癌治疗中的疗效及安全性

Clinical outcomes and safety of neoadjuvant chemo-immunotherapy for patients with locally advanced cervical cancer

  • 摘要: 背景 局部晚期宫颈癌(locally advanced cervical cancer,LACC)因常规治疗效果有限、复发转移风险高,已成为全球宫颈癌治疗领域中最具挑战性的临床难题之一。目的 回顾性评估新辅助化疗(neoadjuvant chemotherapy,NACT)联合免疫治疗方案在LACC患者中的疗效及安全性。方法 纳入2022 年8 月至2025 年6 月解放军总医院第一医学中心收治、接受NACT联合免疫治疗的ⅠB3,ⅡA2,ⅡB,ⅢC1/2r 期LACC患者,回顾性分析新辅助治疗后短期疗效、生存结局及不良反应,使用单因素分析不同因素与新辅助治疗后短期疗效的关系,使用Kaplan-Meier 生存曲线和Log-rank 检验评估不同因素对患者生存的影响。结果 共纳入患者94 例,平均年龄(51.28±10.90)岁,均接受1 ~ 3 周期免疫治疗联合紫杉醇类和铂类新辅助化疗。94 例患者中完全缓解(complete response,CR)24 例(25.5%),部分缓解(partial response,PR)58 例(61.7%),疾病稳定(stable disease,SD)12 例(12.8%)。客观缓解82 例(87.2%),疾病控制率100%(94/94)。72 例(76.6%)患者接受手术治疗,17 例患者(23.6%)术后达到病理完全缓解。单因素分析未发现与新辅助治疗后短期疗效有关的临床病理因素。截至随访日期,中位随访时间为14 个月,患者3 年无进展生存率为89%,总生存率为97%,中位无进展生存期和中位总生存期均未达到。PD-1 抑制剂治疗患者的无病生存率(disease-free survival,DFS)高于PD-L1/CTLA-4 双抗(90.9% vs 87.5%,P=0.039),新辅助治疗后影像学评估CR/PR患者的DFS高于SD(94.8% vs 58.3%,P=0.001)。85.1%(80/94)患者出现治疗相关不良反应,1 ~ 2 级发生率为66.0%(62/94),3 ~ 4 级发生率为23.4%(22/94),免疫相关不良事件发生率为21.3%(20/94),未出现治疗相关的死亡,患者耐受性良好。结论 NACT联合免疫治疗对于LACC患者具有较好的抗肿瘤活性和可接受的安全性。

     

    Abstract: Background Locally advanced cervical cancer (LACC) has become one of the most challenging clinical problems in the treatment of cervical cancer worldwide due to the moderate efficacy of conventional treatment and the high risk of recurrence and metastasis. Objective To investigate the efficacy and safety of neoadjuvant chemo-immunotherapy for patients with locally advanced cervical cancer. Methods A retrospective analysis was conducted on patients with LACC staged ⅠB3, ⅡA2, ⅡB, and Ⅲ C1/2r who were admitted to the First Medical Center of PLA General Hospital from August 2022 to June 2025 and received neoadjuvant chemotherapy (NACT) combined with immunotherapy. The short clinical outcomes, follow-up and adverse events were analyzed. The relationship between different factors and short-term efficacy after neoadjuvant therapy was analyzed using univariate analysis, and the impact of different factors on patient survival was assessed by employing Kaplan-Meier survival curves and the Log-rank test. Results A total of 94 patients were included, with a mean age of (51.28 ± 10.90) years. All patients received 1 to 3 cycles of neoadjuvant chemotherapy combining immunotherapy with paclitaxel-based and platinum-based regimens. Of the 94 patients, 24 cases (25.5%) showed complete response (CR), 58 cases (61.7%) achieved partial remission (PR), and 12 cases (12.8%) achieved stable disease (SD). The objective response rate (ORR) was 87.2%, and the disease control rate (DCR) was 100%. Totally 72 (76.6%) patients underwent surgery, and among them 17 (23.6%) pathological CR were identified. Treatment-related adverse events were reported in 80 patients (85.1%). No specific clinicopathological factor emerged as a significant predictor of short clinical outcomes in univariable analysis. The medium follow-up of the cohort was 14 months, the 3-year progression-free survival (PFS) was 89% and the 3-year overall survival rate (OS) was 97%. The medium PFS and medium OS were not reached. The DFS of the PD-1 group was higher than that of the PD-L1/CTLA-4 group (90.9% vs 87.5%, P=0.039). The DFS of the CR/PR group was higher than that of the SD group (94.8% vs 58.3%, P=0.001). Grade 1-2 TRAEs occurred in 66.0% of the patients. Grade 3-4 TRAEs occurred in 23.4% of the patients. IrAEs occurred in 21.3% of the patients. No treatment-related deaths occurred. The treatment was well-tolerated among patients. Conclusion Neoadjuvant chemo-immunotherapy showed promising antitumour activity and a manageable adverse event profile in patients with LACC.

     

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