The impact of common and rare EGFR mutations in response to EGFR tyrosine kinase inhibitors and platinum-based chemotherapy in patients with non-small cell lung cancer
Copyright © 2014 Elsevier Ireland Ltd. All rights reserved..
OBJECTIVES: In non-small cell lung cancer (NSCLC), the association between common EGFR mutations (Del EX19/L858R) with EGFR tyrosine kinase inhibitors (EGFR-TKIs) has been well established. However, this has not been investigated for rare EGFR mutations or their impact on treatment response and outcome to EGFR TKIs (primary objective) and chemotherapy (secondary objective).
MATERIALS AND METHODS: In an observational prospective cohort, we analyzed 188 NSCLC patients from Mexico, Colombia and Costa Rica with EGFR mutations. As a first line of treatment, 66.5% received platinum-based chemotherapy. All patients received TKIs in first-line treatment or after progression to chemotherapy. The clinical-pathological characteristics as well as the f of common and rare EGFR mutations associated with treatment response were analyzed.
RESULTS: Of all patients, 79.5% had common and 20.5% had rare EGFR mutations. Lepidic and acinar adenocarcinomas were associated with common EGFR mutations (p=0.010). Patients with common EGFR mutations had higher response rates to EGFR-TKIs than those who had rare EGFR mutations (63.8 vs 32.4%, p<0.001). Women had increased progression-free survival (PFS) to EGFR-TKIs than men (16.4 vs 9.5 months, p=0.02). The median PFS and overall survival (OS) were better in patients with common EGFR mutations (15.5 vs 3.9 months, p<0.001; and 37.3 vs 17.4 months, p<0.001) respectively.
CONCLUSION: Our findings suggested that only patients with rare EGFR mutations could receive platinum-based chemotherapy as a first-line treatment, due to their low response rates and short PFS in response to EGFR-TKIs. Consequently, EGFR-TKIs could be reserved as a second- or third-line treatment. In patients with EGFR mutations, women have better PFS to EGFR-TKIs than men, and rare EGFR mutations are more frequent in high grade adenocarcinomas than in low grade tumors.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:87 |
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| Enthalten in: |
Lung cancer (Amsterdam, Netherlands) - 87(2015), 2 vom: 15. Feb., Seite 169-75 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Arrieta, Oscar [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 24.02.2016 Date Revised 31.03.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.lungcan.2014.12.009 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM245057579 |
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| 100 | 1 | |a Arrieta, Oscar |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The impact of common and rare EGFR mutations in response to EGFR tyrosine kinase inhibitors and platinum-based chemotherapy in patients with non-small cell lung cancer |
| 264 | 1 | |c 2015 | |
| 336 | |a Text |b txt |2 rdacontent | ||
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| 500 | |a Date Completed 24.02.2016 | ||
| 500 | |a Date Revised 31.03.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2014 Elsevier Ireland Ltd. All rights reserved. | ||
| 520 | |a OBJECTIVES: In non-small cell lung cancer (NSCLC), the association between common EGFR mutations (Del EX19/L858R) with EGFR tyrosine kinase inhibitors (EGFR-TKIs) has been well established. However, this has not been investigated for rare EGFR mutations or their impact on treatment response and outcome to EGFR TKIs (primary objective) and chemotherapy (secondary objective) | ||
| 520 | |a MATERIALS AND METHODS: In an observational prospective cohort, we analyzed 188 NSCLC patients from Mexico, Colombia and Costa Rica with EGFR mutations. As a first line of treatment, 66.5% received platinum-based chemotherapy. All patients received TKIs in first-line treatment or after progression to chemotherapy. The clinical-pathological characteristics as well as the f of common and rare EGFR mutations associated with treatment response were analyzed | ||
| 520 | |a RESULTS: Of all patients, 79.5% had common and 20.5% had rare EGFR mutations. Lepidic and acinar adenocarcinomas were associated with common EGFR mutations (p=0.010). Patients with common EGFR mutations had higher response rates to EGFR-TKIs than those who had rare EGFR mutations (63.8 vs 32.4%, p<0.001). Women had increased progression-free survival (PFS) to EGFR-TKIs than men (16.4 vs 9.5 months, p=0.02). The median PFS and overall survival (OS) were better in patients with common EGFR mutations (15.5 vs 3.9 months, p<0.001; and 37.3 vs 17.4 months, p<0.001) respectively | ||
| 520 | |a CONCLUSION: Our findings suggested that only patients with rare EGFR mutations could receive platinum-based chemotherapy as a first-line treatment, due to their low response rates and short PFS in response to EGFR-TKIs. Consequently, EGFR-TKIs could be reserved as a second- or third-line treatment. In patients with EGFR mutations, women have better PFS to EGFR-TKIs than men, and rare EGFR mutations are more frequent in high grade adenocarcinomas than in low grade tumors | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Adenocarcinoma lung cancer | |
| 650 | 4 | |a Deletion exon 19 | |
| 650 | 4 | |a EGFR mutations | |
| 650 | 4 | |a EGFR-tyrosine kinase inhibitors | |
| 650 | 4 | |a L858R mutation | |
| 650 | 7 | |a Protein Kinase Inhibitors |2 NLM | |
| 650 | 7 | |a Platinum |2 NLM | |
| 650 | 7 | |a 49DFR088MY |2 NLM | |
| 650 | 7 | |a ErbB Receptors |2 NLM | |
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| 700 | 1 | |a Cardona, Andrés Felipe |e verfasserin |4 aut | |
| 700 | 1 | |a Corrales, Luis |e verfasserin |4 aut | |
| 700 | 1 | |a Campos-Parra, Alma Delia |e verfasserin |4 aut | |
| 700 | 1 | |a Sánchez-Reyes, Roberto |e verfasserin |4 aut | |
| 700 | 1 | |a Amieva-Rivera, Eduardo |e verfasserin |4 aut | |
| 700 | 1 | |a Rodríguez, July |e verfasserin |4 aut | |
| 700 | 1 | |a Vargas, Carlos |e verfasserin |4 aut | |
| 700 | 1 | |a Carranza, Hernán |e verfasserin |4 aut | |
| 700 | 1 | |a Otero, Jorge |e verfasserin |4 aut | |
| 700 | 1 | |a Karachaliou, Nikki |e verfasserin |4 aut | |
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| 700 | 1 | |a Rosell, Rafael |e verfasserin |4 aut | |
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| 700 | 1 | |a Broilo, Magali |e investigator |4 oth | |
| 700 | 1 | |a Burre, Jorge |e investigator |4 oth | |
| 700 | 1 | |a Medina, Carlos |e investigator |4 oth | |
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| 700 | 1 | |a Lescano, Jorge Alberto |e investigator |4 oth | |
| 700 | 1 | |a Rogel, Miriam |e investigator |4 oth | |
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