Publication
KRAS codon 61, 146 and BRAF mutations predict resistance to cetuximab plus irinotecan in KRAS codon 12 and 13 wild-type metastatic colorectal cancer.
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- PubMed
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CIVIC-20260908-000001
Abstract
Abstract (excerpt)
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Linked entities
Linked entities (5)
How each link was made (MeSH, dictionary, registry reference, curation…) and whether it has been validated. Candidate links are not counted in entity statistics.
Validated 5
- cancerMalignant Colorectal Neoplasmcivic_curation1.00
- drugCetuximabcivic_curation1.00
- drugIrinotecancivic_curation1.00
- geneKRAScivic_curation1.00
- variantKRAS A146Pcivic_curation1.00
Curated evidence
Evidence citing this paper (21)
- Source
- CIViC — Clinical Interpretation of Variants in Cancer
- Dataset
- CIViC evidence items
- Version
- civic-2026-09-08
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Evidence
- expert curation
- License
- CC0 1.0
- PMID
- 19603018
- Run
- ING-CIVIC-20260908-000001
| Therapy | Cancer | Type | Level | Direction · significance | Rating (1–5) | Status | Evidence | Source |
|---|---|---|---|---|---|---|---|---|
| BRAF V600E2 | ||||||||
| Cetuximab + IrinotecanCombination | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | 3 | submitted | EID3738In a retrospective study of 68 irinotecan-refractory metastatic colorectal cancer patients, the tumors of eight patients harbored BRAF V600E but were wildtype for KRAS codons 12, 13, 61 and 146 mutati… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| Irinotecan | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID2119Among metastatic colorectal cancer patients treated with cetuximab and irinotecan, those with BRAF V600E mutations were less likely to achieve a complete or partial response to therapy (0% , P=0.016, … (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS A146P3 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID3856In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| Cetuximab + IrinotecanCombination | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | 3 | accepted | EID2225In a retrospective study of 68 irinotecan-refractory metastatic colorectal cancer patients, one patient's tumor harbored a KRAS codon 146 mutation but was wildtype for BRAF, and KRAS codons 12, 13, an… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | 2 | submitted | EID13017In a retrospective study of patients with irinotecan-refractory metastatic colorectal cancer whose tumors were wild type for KRAS codons 12 and 13, one patient whose tumor harbored a KRAS A146 mutatio… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS A146T2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2226In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID3857In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS Q61E2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2807In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID4422In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS Q61FS2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2809In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID4423In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS Q61H2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2227In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID3860In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS Q61K2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2230In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID3871In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS Q61L2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2228In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID3866In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS Q61P2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2805In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID4421In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| KRAS Q61R2 | ||||||||
| Cetuximab | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | B | Supports Resistance | 3 | submitted | EID2229In irinotecan-resistant metastatic colorectal cancer patients who had been treated with cetuximab and irinotecan, KRAS mutations in codon 61 or 146 were associated with shorter progression-free surviv… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |
| 〃 | Malignant Colorectal NeoplasmCURATED_BROADER | Predictive | C | Supports Resistance | — | submitted | EID3869In a retrospective study of 138 metastatic irinotecan-refractory, colorectal cancer patients, patients with a KRAS codon 61 or 146 mutation (8/68) treated with cetuximab plus chemotherapy were associa… (full text at CIViC) PMID 19603018 · Loupakis et al., 2009 · Open in CIViC | civic |