CRYSTAL
Regimen
- Experimental
- Cetuximab + FOLFIRI
- Control
- FOLFIRI alone
Population
Metastatic CRC, 1L; key efficacy in KRAS wild-type subgroup; foundational trial for the KRAS biomarker paradigm.
Key finding
1L mCRC (EGFR+, all-comer ITT): mPFS 8.9 vs 8.0 mo (HR 0.85, 95% CI 0.72-0.99, p=0.048); KRAS-wt subgroup: mPFS 9.9 vs 8.7 mo (HR 0.68, p=0.02); mOS 24.9 vs 21.0 mo (HR 0.796, p=0.0093); KRAS-mut: no benefit or trend toward harm
Source: PMID 19339720
Timeline
Guideline citations
- NCCN Colon (p.35)
- NCCN Rectal (p.46)