PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24764659-5 2014 The CRYSTAL study showed that adding cetuximab to FOLFIRI (regimen of irinotecan, infusional fluorouracil and leucovorin) significantly improved results in the first-line treatment of KRAS wild-type mCRC. FOLFIRI regimen 50-57 KRAS proto-oncogene, GTPase Homo sapiens 184-188