Comparison of the efficacy and the toxicity between gemcitabine with capecitabine (GC) and gemcitabine with erlotinib (GE) in unresectable pancreatic cancer
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- Jeon, E.K., Won, HS., Ko, YH. et al. J Cancer Res Clin Oncol (2012) 138: 1625. doi:10.1007/s00432-012-1234-y
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We retrospectively compared the efficacy and toxicity of gemcitabine combination with capecitabine or erlotinib in unresectable pancreatic cancer to know whether the combination with cytotoxic and target agent has more benefit comparing to combination of cytotoxic agents.
Fifty-three patients with unresectable pancreatic cancer, treated with gemcitabine and capecitabine (GC) or gemcitabine and erlotinib (GE) as first line between October 2006 and July 2010, were reviewed. In GC group, patients were treated with gemcitabine 1,000 mg/m2 on days 1, 8, and capecitabine 1,300 mg/m2 bid was administered on days 1–14, repeated every 21 days. In GE group, gemcitabine was given at 1,000 mg/m2 I.V for 30 min on days 1,8,15, and erlotinib was taken orally at 100 mg through days 1–28, repeated every 28 days.
Response rate was similar, 23.5 % in GE and 21.1 % in GC, but GC had better disease control rate with 73.7 % than GE with 52.9 %. GC also showed longer PFS and OS (5.37 and 14.43 months) than GE (2.63 and 6.23 months) (p = 0.032 for PFS and 0.002 for OS). In toxicity profiles, GC had more hematologic toxicities and GE had more non-hematologic toxicities.
The combination with cytotoxic agents seems to have better efficacy and clinical outcome than combination with cytotoxic agent and target agent. The new combination should be developed for the treatment for advanced pancreatic cancer.