2021
DOI: 10.1002/rcr2.857
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Entrectinib for ROS1‐rearranged non‐small cell lung cancer after crizotinib‐induced interstitial lung disease: A case report

Abstract: Chromosomal rearrangements involving the c-ros oncogene 1 (ROS1) are identified in approximately 1% of non-small cell lung cancer (NSCLC) patients. Crizotinib is the first tyrosine kinase inhibitor (TKI) against ROS1-rearranged NSCLC. G2032R, a secondary resistant mutation, is observed in 41% of patients treated with crizotinib. Entrectinib, a TKI against neurotrophic tropomyosin receptor kinase, is reportedly efficacious against ROS1-rearranged NSCLC. However, ROS1-G2032R is resistant to entrectinib both in v… Show more

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Cited by 5 publications
(3 citation statements)
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References 10 publications
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“…Although several cases of successful TKI retreatment after crizotinib-induced lung injury have been documented ( 10 , 11 ), there have been cases of lung injury recurrence ( 12 ). However, in a case of entrectinib administration following lung injury induced by crizotinib ( 1 ), entrectinib did not induce lung injury. That study reported that because crizotinib was not discontinued due to disease progression, sequential entrectinib dosing might be helpful in cases where crizotinib-induced lung injury develops.…”
Section: Discussionmentioning
confidence: 93%
See 1 more Smart Citation
“…Although several cases of successful TKI retreatment after crizotinib-induced lung injury have been documented ( 10 , 11 ), there have been cases of lung injury recurrence ( 12 ). However, in a case of entrectinib administration following lung injury induced by crizotinib ( 1 ), entrectinib did not induce lung injury. That study reported that because crizotinib was not discontinued due to disease progression, sequential entrectinib dosing might be helpful in cases where crizotinib-induced lung injury develops.…”
Section: Discussionmentioning
confidence: 93%
“…The first-line treatment of ROS1 -rearranged advanced NSCLC has been successful with the TKIs crizotinib and entrectinib. Although there has been one case in which entrectinib was continued after lung injury caused by crizotinib ( 1 ), there have been no reports of entrectinib-induced lung injury following lung injury caused by crizotinib.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the rarity of this driver mutation, it is difficult to wait for a prospective study to be conducted to evaluate how effective entrectinib is in a post-crizotinib setting. To our knowledge, the number of case reports written in English concerning entrectinib’s efficacy is limited, especially for ROS1-fusion carcinomas, and this is the fourth case ever reported where entrectinib was administered after crizotinib (Table 1) [11‒21].…”
Section: Discussionmentioning
confidence: 99%