2013
DOI: 10.1016/j.lungcan.2013.02.010
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EGFR-tyrosine kinase inhibitor treatment beyond progression in long-term Caucasian responders to erlotinib in advanced non-small cell lung cancer: A case–control study of overall survival

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Cited by 41 publications
(27 citation statements)
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“…It must be acknowledged that the OS data in the TKI continuation group remain somewhat immature due to the relatively short follow-up. Similar conclusions were previously reached for erlotinib by Faehling et al [10]; however, this German study included patients both with and without EGFR TKI-sensitizing mutations as well as cases with unknown mutation status. Furthermore, the group with extended TKI treatment included a somewhat higher proportion of patients with activating EGFR mutations.…”
Section: Discussionsupporting
confidence: 77%
See 1 more Smart Citation
“…It must be acknowledged that the OS data in the TKI continuation group remain somewhat immature due to the relatively short follow-up. Similar conclusions were previously reached for erlotinib by Faehling et al [10]; however, this German study included patients both with and without EGFR TKI-sensitizing mutations as well as cases with unknown mutation status. Furthermore, the group with extended TKI treatment included a somewhat higher proportion of patients with activating EGFR mutations.…”
Section: Discussionsupporting
confidence: 77%
“…Thus it can be assumed that even tumors progressing on TKI treatment retain some sensitivity to EGFR inhibition, and therefore withdrawal of the targeted drug may critically accelerate tumor growth. Several studies have reported beneficial effects of continuing TKI treatment beyond disease progression [7,8,9,10,11,12,13,14,15,16]. It is important to realize that the growing number of treatment options for EGFR -M+ NSCLC and the heterogeneity of disease progression scenarios compromise the organization of large randomized trials for post-TKI treatment; e.g., the immediate switch to chemotherapy versus the continuation of TKI beyond progression are unlikely to ever be compared in a perfectly designed prospective investigation.…”
Section: Introductionmentioning
confidence: 99%
“…In fact, using a PCR-PNA assay pretreatment, T790M mutations were detected in 65.26% of patients 18 . These results reinforce the need for 2 nd and 3 rd generation EGFR TKIs, while taking into account existing data that suggest use of erlotinib or gefitinib beyond progression, with added chemotherapy, radiotherapy or best supportive care may improve survival 19 . Although afatinib and dacomitinib have been introduced to overcome acquired resistance, they showed limited efficacy in NSCLC with T790M and were more than 100-fold less potent in NSCLC cells with EGFR T790M mutation than in NSCLC cells with EGFR activating mutation 20 .…”
Section: Systemic Treatment In Egfr-alk Nsclc Patients: Second Line Tsupporting
confidence: 81%
“…Navíc byla provázena závažným průjmem, což bylo překvapivé vzhledem k poměrně dobré toleranci afatinibu, kde bychom spíše očekávali závaž-nější obtíže tohoto typu [25]. Užití TKI po progresi na osimertinibu tak nemusí odpovídat předchozím zkušenostem s léč-bou EGFR-TKI, kdy byla doložena u části pa cientů úspěšná léčba afatinibem, erlotinibem i gefitinibem po předchozím podání EGFR-TKI 1. generace [26][27][28][29][30][31][32] s mediánem TTP obvykle mezi 3 a 4 mě-síci. Přičemž se zdá, že větší benefit měli pa cienti, u kterých předchozí TKI dosáhl léčebné odpovědi či alespoň stabilizace onemocnění na více měsíců, což byl i případ naší nemocné [28,30].…”
Section: Obr 3 Parciální Regrese Nálezu Na Ct Při Terapii Osimertinunclassified
“…Stran osimertinibu však tento jev dle našich znalostí nebyl zatím popsán. U asymptomatické pomalé progrese nebo pouze lokální progrese zvládnutelné obvykle stereotaktickou radioterapií byla též popsána úspěšná léčba stejným TKI i po progresi onemocnění [23,29,33,36], a to i u pa cientů s mutací T790M [37]. Osimertinib ukazoval podobné údaje též ve studii AURA3, kde medián pa cientů léčených po progresi dosáhl 4,1 mě-síce [6].…”
Section: Obr 3 Parciální Regrese Nálezu Na Ct Při Terapii Osimertinunclassified