Summary of studies concerning oligoprogressive EGFR mutated NSCLC

ReferenceStudyPeriodEnrolled patientsTreatmentsResults (months)Toxicity > 2
Shukuya et al. [81], 2011Retrospective2002–200917TKI + RT to CNS lesionsmPFS 2.5, mOS 13.4 None
Weickhardt et al. [82], 2012Retrospective2005–201123TKI + LATmPFS1 13.8, mPFS2 6.2 None
Qiu et al. [78], 2017Retrospective2009–201446LT + TKImOS (after LT) 13.0, mPFS (after LT) 7.0, 2-years OS 65.2% G3 pneumonitis 4.3%
Chan et al. [79], 2017Retrospective2013–201525LAT vs. CHT mOS 28.2 vs. 14.7, mPFS 7.0 vs. 4.1 1 G3 oesophagitis
Xu et al. [76], 2019Retrospective2011–2016206TKI + LATmPFS 10.7, mOS 37.4 G3 pneumonitis 1.5%
Borghetti et al. [77], 2019Retrospective2010–2016106RT concomitant/after TKImOS 23.0, 1-year OS 76.3%, 2-years OS 48.6%, 3-years OS 29.5%3 G3 toxicity cases
Guo et al. [80], 2019Retrospective2017–201897Osimertinib +/– SBRT (on residual disease after 1st/2nd PD)mPFS 17.0 vs. 11.0Not reported

mPFS1: median PFS from initiations to TKI to PD or death; mPFS2: median PFS from the time of first progression; PD: Progression Disease; SBRT: stereotactic body radiation therapy