Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2012
Efficacy of weekly paclitaxel in patients with advanced gastric cancer refractory to docetaxel-based chemotherapy.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Ando Takayuki, Hosokawa Ayumu, Kajiura Shinya, Itaya Yuko, Ueda Akira, Fujinami Haruka, Nishikawa Jun, Kobayashi Takashi, Horikawa Naoki, Tsukioka Yuji, Yabushita Kazuhisa, Note Masayuki, Ogawa Kohei, Sugiyama Toshiro
Аннотация
BACKGROUND: Only partial cross-resistance between docetaxel and paclitaxel has been demonstrated in breast and ovarian cancers. Whether weekly paclitaxel is effective in patients with advanced gastric cancer refractory to docetaxel-based chemotherapy remains unclear, and we aimed to clarify the efficacy and safety of weekly paclitaxel in such patients.
METHODS: Patients who had received docetaxel-based regimens were assigned to the prior-docetaxel group, and those who had never received docetaxel were designated as the non-docetaxel group. Paclitaxel at 80 mg/m(2) was administered by intravenous infusion in all patients, and this was repeated weekly for 3 weeks out of 4.
RESULTS: Between April 2006 and June 2011, 65 patients were studied: 26 in the prior-docetaxel group and 39 patients were non-docetaxel group. The median age, gender, performance status, histological type, history of gastrectomy, and the locations and numbers of metastatic sites did not differ significantly between the two groups. In the prior-docetaxel group, the response rate (RR) was 14.2% (3/21) among patients with measurable lesions, median progression-free survival (PFS) was 79 days [95% confidence interval (CI), 47-135 days], and overall survival (OS) was 123 days (95% CI, 90-215 days) from the initiation of paclitaxel treatment. In the non-docetaxel group, the RR was 11.5% (3/26) among patients with measurable lesions, PFS was 82 days (95% CI, 52-106 days), and OS was 143 days (95% CI, 121-178 days). The efficacy of weekly paclitaxel thus appeared to be similar in the two groups.
CONCLUSIONS: Weekly paclitaxel was modestly active in patients with gastric cancer refractory to docetaxel-based chemotherapy.
METHODS: Patients who had received docetaxel-based regimens were assigned to the prior-docetaxel group, and those who had never received docetaxel were designated as the non-docetaxel group. Paclitaxel at 80 mg/m(2) was administered by intravenous infusion in all patients, and this was repeated weekly for 3 weeks out of 4.
RESULTS: Between April 2006 and June 2011, 65 patients were studied: 26 in the prior-docetaxel group and 39 patients were non-docetaxel group. The median age, gender, performance status, histological type, history of gastrectomy, and the locations and numbers of metastatic sites did not differ significantly between the two groups. In the prior-docetaxel group, the response rate (RR) was 14.2% (3/21) among patients with measurable lesions, median progression-free survival (PFS) was 79 days [95% confidence interval (CI), 47-135 days], and overall survival (OS) was 123 days (95% CI, 90-215 days) from the initiation of paclitaxel treatment. In the non-docetaxel group, the RR was 11.5% (3/26) among patients with measurable lesions, PFS was 82 days (95% CI, 52-106 days), and OS was 143 days (95% CI, 121-178 days). The efficacy of weekly paclitaxel thus appeared to be similar in the two groups.
CONCLUSIONS: Weekly paclitaxel was modestly active in patients with gastric cancer refractory to docetaxel-based chemotherapy.