Characteristics of long-term survivors in a randomized phase III trial (NAPOLI-1) of patients with metastatic pancreatic ductal adenocarcinoma (mPDAC) treated with liposomal irinotecan (nal-IRI; MM-398) + 5-FU/LV.
2017
293Background: nal-IRI, a liposomal formulation of irinotecan, plus 5-FU/LV is approved in the United States and Taiwan for patients (pts) with mPDAC previously treated with gemcitabine-based therapy. Primary analysis of the NAPOLI-1 trial (NCT01494506) showed that nal-IRI+5-FU/LV significantly improved median overall survival vs 5-FU/LV (6.1 vs 4.2 months; HR, 0.67; 95% CI, 0.49-0.92; P = 0.012; Wang-Gillam et al, Lancet. 2016). Herein we report baseline characteristics of pts surviving ≥1 year (data cutoff, Nov 2015). Methods: This analysis includes 117 pts assigned to treatment with nal-IRI 70 mg/m2 (free base) + 5-FU/LV 2400/400 mg/m2 q2w, and 119 pts assigned to treatment with 5-FU/LV 2000/200 mg/m2weekly for weeks 1-4 q6w. Results: A total of 29 (25%) pts in the nal-IRI+5-FU/LV arm and 17 (14%) in the 5-FU/LV arm survived ≥1 year. These pts typically had better performance status, lower CA19-9 (U/mL) levels, and were less likely to have liver metastases at baseline, compared with the overall populat...
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