Potential Risk Factors Of Pneumonitis Associated With Consolidation Pembrolizumab After Chemoradiation In Unresectable Nsclc Patients.
JOURNAL OF CLINICAL ONCOLOGY(2018)
Abstract
167Background: We have previously shown that consolidation pembrolizumab after chemoradiation is safe in a 93 patient-clinical trial of unresectable stage III NSCLC patients (Durm, ASCO 2016). However 15 patients (16%) developed grade ≥2 pneumonitis. There is limited data on risk factors for developing pneumonitis in this population. We conducted a retrospective review of these patients to identify potential clinical, biologic, radiographic and radiation treatment related risk factors for developing pneumonitis. Methods: We evaluated ECOG PS, age, gender, smoking status, stage, histology, chemo regimen, consolidation chemotherapy, TILs, PDL-1 status, PFTs, PET SUVs, grade of pre-existing ILD, COPD and Radiation dosimetry plans. Logistic regression and fisher’s-exact test were used for the odds ratio and p-values. Results: See Table. [1] [1] Age, histology, stage, chemo, PFTs, SUVs and PDL1 were not significant [2] n = sample size p = pneumonitis [3] Moderate/severe COPD was not seen in any patients with p...
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Key words
consolidation pembrolizumab,unresectable nsclc patients,pneumonitis,chemoradiation
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