Background: The aim of our study was to retrospectively assess the incidence of interstitial lung disease (ILD) related to EGFR-tyrosine kinase inhibitor (TKI) treatment immediately before and/or after the administration of a PD-1 antibody.
Methods: We analyzed the data of 26 patients who underwent treatment with EGFR-TKIs immediately before and/or after the administration of an anti-PD-1 antibody.
Results: Four out of the 26 patients developed ILD during EGFR-TKI treatment: three patients during the administration of osimertinib immediately after, and one during afatinib immediately before treatment with an anti-PD-1 antibody. Three of 12 patients who underwent EGFR-TKI therapy immediately after anti-PD-1 antibody treatment experienced osimertinib-induced ILD. ILD was not observed in the five patients administered an anti-PD-1 antibody followed by first or second-generation EGFR-TKIs.
Conclusion: ILD was observed in the treatment sequence of an anti-PD-1 antibody followed by osimertinib, but not with first or second-generation EGFR-TKIs.
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| http://dx.doi.org/10.1111/1759-7714.13039 | DOI Listing |
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