International journal of clinical oncology · 2020
Safety and efficacy of S-1 plus oxaliplatin 130 mg/m2 combination therapy in patients with previously untreated HER2-negative unresectable, advanced, or recurrent gastric/gastroesophageal junction cancer: a phase II trial (KSCC1501A).
Клиническое исследование II фазыСтатьяНазвание и аннотация: Перевод в очереди
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Kashiwada Tomomi, Shinozaki Katsunori, Ueno Shohei, Kawanaka Hirofumi, Uno Futoshi, Okita Yoshihiro, Fukahori Masaru, Matsushita Hidenobu, Emi Yasunori, Shimokawa Mototsugu, Makiyama Akitaka, Saeki Hiroshi, Oki Eiji, Maehara Yoshihiko, Mori Masaki, Baba Eishi, Kyushu Study Group of Clinical Cancer (KSCC)
Аннотация
BACKGROUND: In a randomized pivotal global phase III study, S-1 and oxaliplatin 100 mg/m2 (SOX100) combination chemotherapy was as effective as S-1 and cisplatin for advanced gastric cancer (AGC) and showed a favorable safety profile. In this phase II study, we analyzed survival outcomes to assess the efficacy and safety of the SOX regimen with oxaliplatin 130 mg/m2 (SOX130) in AGC.
METHODS: Patients with HER2-negative AGC received 80 mg/m2/day S-1 orally on days 1-14 and 130 mg/m2 oxaliplatin intravenously on day 1 of each 21-day cycle until the criteria for treatment withdrawal were fulfilled. The primary endpoint was the response rate (RR), and the null hypothesis of RR in the current trial was 45%. The secondary endpoints were progression-free survival (PFS) and overall survival (OS). Adverse events (AEs) were recorded according to CTCAE version 4.0.
RESULTS: Seventy-one patients were enrolled from June 2015 to November 2016, but eight were excluded for ineligibility. Therefore, all final analyses were conducted with 63 patients. The confirmed RR was 46.0% (90% confidence interval [CI]: 36.1-56.3), and the disease control rate was 77.8% (90% CI: 68.1-85.1). The median PFS and OS were 4.9 (95% CI: 4.2-7.1) and 14.8 (95% CI: 11.1-18.9) months, respectively. Incidences of grade 3-4 AEs > 10% were anorexia (19.0%), peripheral neuropathy (12.7%), nausea (11.1%), and thrombocytopenia (11.1%).
CONCLUSIONS: This study represents the first evaluation of SOX130 in patients with HER2-negative AGC. SOX130 showed an acceptable safety profile, but the prespecified statistical efficacy targets were not achieved.
METHODS: Patients with HER2-negative AGC received 80 mg/m2/day S-1 orally on days 1-14 and 130 mg/m2 oxaliplatin intravenously on day 1 of each 21-day cycle until the criteria for treatment withdrawal were fulfilled. The primary endpoint was the response rate (RR), and the null hypothesis of RR in the current trial was 45%. The secondary endpoints were progression-free survival (PFS) and overall survival (OS). Adverse events (AEs) were recorded according to CTCAE version 4.0.
RESULTS: Seventy-one patients were enrolled from June 2015 to November 2016, but eight were excluded for ineligibility. Therefore, all final analyses were conducted with 63 patients. The confirmed RR was 46.0% (90% confidence interval [CI]: 36.1-56.3), and the disease control rate was 77.8% (90% CI: 68.1-85.1). The median PFS and OS were 4.9 (95% CI: 4.2-7.1) and 14.8 (95% CI: 11.1-18.9) months, respectively. Incidences of grade 3-4 AEs > 10% were anorexia (19.0%), peripheral neuropathy (12.7%), nausea (11.1%), and thrombocytopenia (11.1%).
CONCLUSIONS: This study represents the first evaluation of SOX130 in patients with HER2-negative AGC. SOX130 showed an acceptable safety profile, but the prespecified statistical efficacy targets were not achieved.