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Overall Survival Results of the Feasibility Study of Adjuvant Chemotherapy With Docetaxel Plus Cisplatin Followed by Long-term Single-agent Administration of S-1 in Patients With Completely Resected Non-Small Cell Lung Cancer: Thoracic Oncology Research Group (TORG) 0809.
American Journal of Clinical Oncology 2018 March 8
OBJECTIVES: The TORG0809 study was a multicenter feasibility study of long-term single-agent therapy with S-1 after docetaxel plus cisplatin therapy in patients with completely resected stage II or stage IIIA non-small cell lung cancer. We report the results of the final overall survival (OS) analysis.
PATIENTS AND METHODS: A total of 129 eligible patients received 3 cycles of docetaxel (60 mg/m, day 1) plus cisplatin (80 mg/m, day 1), followed by S-1 at 40 mg/m twice daily for 14 consecutive days, for >6 months (maximum, 1 y).
RESULTS: At the cutoff date of April 13, 2016, the median follow-up time was 6.0 years. Of the 129 patients, 43 had died, and 74 patients developed disease recurrence or died. The median OS had not been reached. The 5-year OS rate was 71% [95% confidence interval (CI), 62-78]. The 5-year OS rates in the patients with stage II and stage IIIA were 76% and 68%, respectively. The median recurrence-free survival (RFS) duration was 3.4 years (95% CI, 2.3-5.7). The 5-year RFS rate was 44% (95% CI, 36-53). The 5-year RFS rates in patients with stage II and stage IIIA disease were 57% and 38%, respectively. Disease recurrence occurred in 68 patients, and 62 of these patients received second-line chemotherapy. The most common sites of recurrence were the brain (n=22) and mediastinal lymph nodes (n=22).
CONCLUSION: The survival data obtained from this study are promising and comparable to those reported from a previous study conducted in Japan.
PATIENTS AND METHODS: A total of 129 eligible patients received 3 cycles of docetaxel (60 mg/m, day 1) plus cisplatin (80 mg/m, day 1), followed by S-1 at 40 mg/m twice daily for 14 consecutive days, for >6 months (maximum, 1 y).
RESULTS: At the cutoff date of April 13, 2016, the median follow-up time was 6.0 years. Of the 129 patients, 43 had died, and 74 patients developed disease recurrence or died. The median OS had not been reached. The 5-year OS rate was 71% [95% confidence interval (CI), 62-78]. The 5-year OS rates in the patients with stage II and stage IIIA were 76% and 68%, respectively. The median recurrence-free survival (RFS) duration was 3.4 years (95% CI, 2.3-5.7). The 5-year RFS rate was 44% (95% CI, 36-53). The 5-year RFS rates in patients with stage II and stage IIIA disease were 57% and 38%, respectively. Disease recurrence occurred in 68 patients, and 62 of these patients received second-line chemotherapy. The most common sites of recurrence were the brain (n=22) and mediastinal lymph nodes (n=22).
CONCLUSION: The survival data obtained from this study are promising and comparable to those reported from a previous study conducted in Japan.
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