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Effectiveness of tyrosine kinase inhibitors on "uncommon" epidermal growth factor receptor mutations of unknown clinical significance in non-small cell lung cancer.

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Clin Cancer Res2011PMID 21531810stubpubmedProvenance
Source
PubMed
Retrieved
Sep 8, 2026
Layer
normalized (units and labels harmonized; values unchanged)
Run
ING-CIVIC-20260908-000001
Published

Abstract

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Linked entities

Linked entities (22)

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 22

Curated evidence

Evidence citing this paper (24)

civicProvenance
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
21531810
Run
ING-CIVIC-20260908-000001
Open at source
CuratedShowing 1–24 of 24 evidence items · levels, directions and significance as curated at the source; each row links to its CIViC record.
TherapyCancerTypeLevelDirection · significanceRating (1–5)StatusEvidenceSource
EGFR E709_T710>D1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response2submitted
EID3793

In a study, 2 participants with stage IV lung adenocarcinoma were sequenced at EGFR exons 18 to 21. Both patients were found to have DelE709-T710 insD mutation and were treated with the 1st generatio… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR G7191
Erlotinib + GefitinibSubstitutesLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveBSupports Sensitivity Response3accepted
EID4189

EGFR G719 mutations have been associated with increased sensitivity to first generation EGFR tyrosine kinase inhibitors, including erlotinib and gefitinib. In a study of patients treated with erlotini… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR G719A2
ErlotinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response3submitted
EID4194

3 patients with stage IV non small cell lung adenocarcinoma with G719A mutation were given erlotinib. 1 patient was alive at end of study with progression free survival (PFS) of 27.2 months and overal… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response2submitted
EID4193

3 patients with stage IV non small cell lung adenocarcinoma with G719A mutation were given gefitinib. The study reported progression free survival of 33.2, 5.8 and 0.2 months, and overall survival of … (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR G719D1
Erlotinib + GefitinibSubstitutesLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response3accepted
EID4210

In a study, 2 participants with stage IV lung adenocarcinoma were sequenced at EGFR exons 18 to 21. Both patients were found to have G719D mutation and were treated with the 1st generation TKIs gefiti… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR K806E1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2accepted
EID4239

In a study, 1 participant with stage IIIB lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have K806E mutation, and was treated with the 1st generation TKI gefitinib. The pati… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR L747P1
Erlotinib + GefitinibSubstitutesLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2accepted
EID4220

In a study, 2 participants with stage IV adenocarcinoma were sequenced at EGFR exons 18 to 21. Both patients were found to have L747P mutation and were treated with the 1st generation TKIs gefitinib … (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR L838P1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response3accepted
EID4252

In a study, 1 participant with stage IV lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have L838P mutation, and was treated with the 1st generation TKI gefitinib. The patien… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR Exon 19 Deletion + EGFR L858R1
Erlotinib + GefitinibSubstitutesLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveBSupports Sensitivity Response4accepted
EID4759

In a study of 1261 non-small cell lung cancer patients, 49.8% of the analyzed tumors had EGFR mutations including deletions in exon 19 (n=258), L858R (n=260), T790M (n=6) and insertions or duplication… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR L8611
Erlotinib + GefitinibSubstitutesLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveBSupports Sensitivity Response3accepted
EID4298

EGFR L861 mutations have been associated with increased sensitivity to first generation EGFR tyrosine kinase inhibitors, including erlotinib and gefitinib. In a study of patients treated with erlotini… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR L861Q2
ErlotinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response—submitted
EID4514

In a study of 1261 non-small cell lung cancer patients, 49.8% of the analyzed tumors had EGFR mutations including deletions in exon 19 (n=258), L858R (n=260), T790M (n=6) and insertions or duplication… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response3accepted
EID3802

In a study, a group of 6 participants, 5 with stage IV and one with stage IIIB lung adenocarcinoma, were sequenced at EGFR exons 18 to 21. All patients had L861Q mutation and were treated with the 1st… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR L861R1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response3accepted
EID4669

In a study, 1 participant with stage IV lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have L861R mutation, and was treated with the 1st generation TKI gefitinib. The patien… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR N826Y1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2accepted
EID4244

In a study, 1 participant with stage IV lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have N826Y mutation, and was treated with the 1st generation TKI gefitinib. The patien… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR N842S1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2accepted
EID4256

In a study, 1 participant with stage IV lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have N842S mutation, and was treated with the 1st generation TKI gefitinib. The patien… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR Rare Exon 18-21 Mutation2
Erlotinib + GefitinibSubstitutesLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveBSupports Sensitivity Response4accepted
EID4755

In a cohort of NSCLC patients treated with tyrosine kinase inhibitors erlotinib or gefitinib, 61 patients with uncommon mutations of unknown clinical significance (UMUCS) in EGFR exons 18-21 responded… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
〃Lung Non-Small Cell CarcinomaCURATED_BROADERPredictiveBDoes Not Support Sensitivity Response2accepted
EID4762

In a cohort of NSCLC patients tested for mutation in EGFR exons 18-21 a subset had uncommon mutations of unknown clinical significance (UMUCS). The most commonly occurring UMUCS were G719 and L861 mut… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR S784F1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response3submitted
EID4235

In a study, 1 participant with stage IV lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have S784F mutation, and was treated with the 1st generation TKI gefitinib. The patien… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR T847I1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2accepted
EID4260

In a study, 1 participant with stage IIIB lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have T847I mutation, and was treated with the 1st generation TKI gefitinib. The pati… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR V742A1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2submitted
EID4214

In a study, 1 participant with stage IV adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have V742A mutation, and was treated with the 1st generation TKI gefitinib. The patient (M,… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR V774A1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response3accepted
EID4226

In a study, 1 participant with stage IV adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have V774A mutation, and was treated with the 1st generation TKI gefitinib. The patient (F,… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR V774M1
ErlotinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2accepted
EID4231

In a study, 1 participant with stage IV squamous cell lung carcinoma was sequenced at EGFR exons 18 to 21 and was found to have V774M mutation, and was treated with the 1st generation TKI erlotinib. T… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR V834I1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCSupports Sensitivity Response3accepted
EID4248

In a study, 1 participant with stage IIIB lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have V834I mutation, and was treated with the 1st generation TKI gefitinib. The pati… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic
EGFR V851I1
GefitinibLung Non-Small Cell CarcinomaCURATED_BROADERPredictiveCDoes Not Support Sensitivity Response2accepted
EID4264

In a study, 1 participant with stage IV lung adenocarcinoma was sequenced at EGFR exons 18 to 21 and was found to have V851I mutation, and was treated with the 1st generation TKI gefitinib. The patien… (full text at CIViC)

PMID 21531810 · Wu et al., 2011 · Open in CIViC

civic