Abstract
The objective of this study was to report a case series on the efficacy and safety of capecitabine 7/7 schedule combined with erlotinib (CAP-ERL) in patients with advanced pancreatic cancer (APC) who have failed prior therapies. We retrospectively evaluated 13 patients with locally advanced or metastatic pancreatic cancer previously treated with gemcitabine or oxaliplatin-irinotecan-based first-line regimens. Treatment consisted of capecitabine (Xeloda) at a flat dose of 1000 mg orally twice daily on days 1-7 out of 14 days (7/7 schedule) and erlotinib (Tarceva) 100 mg orally once daily until unacceptable toxicity or disease progression. Tumor assessments were repeated every two cycles (8 weeks) and serum tumor markers were measured every 4 weeks. All patients (median age: 63 years; 7 female/3 male) had various previous lines of treatments of chemotherapies. Median number of cycles with CAP-ERL was 4 (range 2-12). The overall response rate was 20%. CA19-9 was reduced more than 25% in 40% patients. The median overall survival and progression-free survival from the start of CAP-ERL were 4.5 months (range 3-7.5) and 2 months (range 1.5-4), respectively. The most common grade 3 toxicities included hand-foot syndrome, nausea, vomiting, diarrhea, rash, and fatigue. Our result suggests that the combination of a fixed low dose of CAP-ERL 7/7 schedule was tolerated with manageable toxicity and showed encouraging activity as salvage treatment in patients with refractory APC with ECOG performance status 0-2. Further prospective studies are warranted to evaluate this combination.
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