n | RR (%) | PFS | OS | |||||||
Median | HR | p Value | Median | HR | p Value | |||||
ITT population | ||||||||||
BSC | 231 | 0 | 7.3 weeks | 0.54 | <0.001 | NA | 1.00 | NS* | ||
Panitumumab | 232 | 10 | 8.0 weeks | NA | ||||||
BSC | 285 | 0 | NA | 0.68 | <0.001 | 4.6 | 0.77 | 0.005 | ||
Cetuximab | 287 | 8 | NA | 6.1 | ||||||
K-ras population | ||||||||||
BSC | WT | 219 | 0 | 7.3 weeks | 0.45 | <0.001 | ||||
Panitumumab | WT | 218 | 17 | 12.3 weeks | ||||||
BSC | mut | 95 | 0 | 7.3 weeks | 0.99 | NS | ||||
Panitumumab trial 92% of ITTpopulation | Panitumumab | mut | 76 | 0 | 7.4 weeks | |||||
Cetuximab trial 69% of ITT population | BSC | WT | 0 | 1.9 months | 0.40 | <0.001 | 4.8 mos | 0.55 | <0.001 | |
Cetuximab | WT | 12,8 | 3.7 months | 9.5 mos | ||||||
BSC | mut | 0 | 1.8 months | 0.99 | NS | 4.6 months | 0.98 | NS | ||
Cetuximab | mut | 1,2 | 1.8 months | 4.5 months |
↵* Crossover design.
BSC, best supportive care; EGFR, epidermal growth factor receptor; ITT, intention to treat; mCRC, metastatic colorectal cancer; mut, mutated; NA, not available; NS, non-significant; OS, overall survival; PFS, progression-free survival; WT, wild type.