The Journal of thoracic and cardiovascular surgery · 2023
Two-year outcomes of clinical N2-3 esophageal squamous cell carcinoma after neoadjuvant chemotherapy and immunotherapy from the phase 2 NICE study.
Клиническое исследование II фазыСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Yang Yang, Liu Jun, Liu Zhichao, Zhu Li, Chen Hezhong, Yu Bentong, Zhang Renquan, Shao Jinchen, Zhang Ming, Li Chunguang, Li Zhigang
Аннотация
OBJECTIVE: This study aims to report the 2-year outcomes of patients with clinical stage N2-3 esophageal squamous cell carcinoma who received neoadjuvant chemotherapy and immunotherapy followed by surgery from a phase 2 NICE trial.
METHODS: Eligible patients with clinical stage N2-3 esophageal squamous cell carcinoma were screened and enrolled, then treated with regimen of nab-paclitaxel (100 mg/m2, days 1, 8, 15), carboplatin (area under the curve = 5, day 1), camrelizumab (200 mg, day 1) of two 21-day cycles and esophagectomy 4 to 6 weeks after the last chemotherapy. Oncologic outcomes, recurrence patterns, overall survival (OS), and recurrence-free survival (RFS) were explored.
RESULTS: From November 20, 2019, to December 22, 2020, 60 patients were recruited. After a median follow-up of 27.4 months, disease recurrence was observed in 19 (37.3%) patients, with 5 (9.8%) locoregional recurrence, 9 (17.6%) distant metastasis, and 5 (9.8%) combined recurrence. Lung was the most commonly involved metastatic site. The median time to recurrence was 10.8 months (interquartile range, 7.5-12.7 months). The 2-year OS and RFS rates were 78.1% and 67.9%, respectively. Patients who achieved major pathologic response (MPR) had a significantly greater 2-year OS rate (91.4% vs 47.7%; P < .001) and RFS rate (77.1% vs 45.9%; P = .003). On multivariable analysis, MPR was indicated as an independent prognostic factor for disease recurrence (hazard ratio, 0.39; 95% confidence interval, 0.21-0.82; P = .029).
CONCLUSIONS: In patients receiving neoadjuvant chemotherapy and immunotherapy, distant metastasis remains the predominant recurrence pattern. MPR is associated with lower recurrence and better survival. Long-term results derived from randomized controlled trials are further required.
TRIAL REGISTRATION NUMBER: ChiCTR1900026240.
METHODS: Eligible patients with clinical stage N2-3 esophageal squamous cell carcinoma were screened and enrolled, then treated with regimen of nab-paclitaxel (100 mg/m2, days 1, 8, 15), carboplatin (area under the curve = 5, day 1), camrelizumab (200 mg, day 1) of two 21-day cycles and esophagectomy 4 to 6 weeks after the last chemotherapy. Oncologic outcomes, recurrence patterns, overall survival (OS), and recurrence-free survival (RFS) were explored.
RESULTS: From November 20, 2019, to December 22, 2020, 60 patients were recruited. After a median follow-up of 27.4 months, disease recurrence was observed in 19 (37.3%) patients, with 5 (9.8%) locoregional recurrence, 9 (17.6%) distant metastasis, and 5 (9.8%) combined recurrence. Lung was the most commonly involved metastatic site. The median time to recurrence was 10.8 months (interquartile range, 7.5-12.7 months). The 2-year OS and RFS rates were 78.1% and 67.9%, respectively. Patients who achieved major pathologic response (MPR) had a significantly greater 2-year OS rate (91.4% vs 47.7%; P < .001) and RFS rate (77.1% vs 45.9%; P = .003). On multivariable analysis, MPR was indicated as an independent prognostic factor for disease recurrence (hazard ratio, 0.39; 95% confidence interval, 0.21-0.82; P = .029).
CONCLUSIONS: In patients receiving neoadjuvant chemotherapy and immunotherapy, distant metastasis remains the predominant recurrence pattern. MPR is associated with lower recurrence and better survival. Long-term results derived from randomized controlled trials are further required.
TRIAL REGISTRATION NUMBER: ChiCTR1900026240.