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Retrospective observational study of salvage line ramucirumab monotherapy (RAM) for patients (pts) with unresectable advanced gastric cancer (AGC) which was refractory to fluoropyrimidine and taxanes
Ist Teil von
Journal of clinical oncology, 2018-02, Vol.36 (4_suppl), p.129-129
Erscheinungsjahr
2018
Quelle
EZB Free E-Journals
Beschreibungen/Notizen
Abstract only
129
Background: RAM showed a survival benefit over best supportive care in second-line treatment after failure of fluoropyrimidine-containing chemotherapy for pts with advanced gastric or gastro-esophageal junction adenocarcinoma (AGC). In clinical practice, RAM is used for some pts who have disease refractory to fluoropyrimidine and taxanes in salvage line setting. Methods: We retrospectively evaluated efficacy and safety of RAM in salvage lines between June 2015 and April 2017 for AGC at four Japanese institutions. All pts received 2 or more prior regimens containing fluoropyrimidine and taxanes, but not ramucirumab. We also explored prognostic factors for progression free survival (PFS) and overall survival (OS). Results: Fifty-one pts were collected. Pts' characteristics were as follows; median age: 67 (range 39-84) years; ECOG performance status ≤ 1: 43 (84%) pts; HER2 positive: 17 (33%) pts; number of metastatic sites ≥ 2: 29 (57%); number of prior therapies 2/3/4/5: 7(14%)/25(49%)/12(24%)/7(14%) pts. Median PFS and OS were 1.9 (95% confidence interval [CI]: 1.6-2.2) and 5.1 (95% CI: 4.1-6.8) months, respectively. Twelve-week PFS rate was 25.5%. Objective response rate in 43 pts who had measurable disease was 2%. Disease control rate was 35%. Grade 3 adverse events (AEs) occurred in 7 (13%) pts such as anemia in 2 (4%), fatigue in 1 (2%), hypertension in 2 (4%), proteinuria in 2 (4%), intestinal bleeding in 1 (2%), and others in 2 (4%) pts. No grade 4 AEs and treatment related deaths were observed. Although multivariate analyses suggested that absence of primary tumor and neutrophil lymphocyte ratio < 2.5 at baseline were associated with better PFS, while statistically significant prognostic factors for OS were not identified in this study. Conclusions: Salvage line RAM showed acceptable toxicities and comparable efficacy with those reported in previous studies of second-line setting. It is suggested that RAM could be considered for salvage line treatment after fluoropyrimidine and taxanes containing regimens.