Review Article

Advances of Targeted Therapy in Treatment of Unresectable Metastatic Colorectal Cancer

Table 1

Clinical trials with anti-EGFR monoclonal antibodies in postprogression treatment.

StudyNo. of patientsDesign TreatmentPrimary end pointResults

BOND [19]329Phase 3, open-label, RCTC-mab versus C-mab + irinotecanORR10.8% versus 22.9%0.007

CO17 [20]572Phase 3, RCTBSC versus C-mabOSHR, 0.77; 95% CI, 0.64–0.920.005

EPIC [21]1298Phase 3, open-label, RCTIrinotecan versus C-mab + irinotecan OSHR, 0.975; 95% CI, 0.85–1.110.71

Van Cutsem et al. [22] 463Phase III, open-label, RCTBSC versus P-mab + BSCPFSHR, 0.54; 95% CI, 0.44–0.66<0.0001

Peeters et al. [23] 1186 Phase III, open-label, RCT FOLFIRI versus P-mab + FOLFIRIPFSHR, 0.73; 95% CI, 0.59–0.90.004
OSHR, 0.85; 95% CI, 0.7–1.040.12

PICCOLO [26]460Phase III, open-label, RCTIrinotecan versus P-mab + irinotecanOSHR, 1.01; 95% CI, 0.83–1.230.91

EGFR: epidermal growth factor receptor; No.: number; RCT: randomized controlled trial; pt: patient; C-mab: cetuximab; ORR: objective response rate; BSC: best supportive care; OS: overall survival; HR: hazard ratio; P-mab: panitumumab; PFS: progression-free survival.