期刊
CANCER MEDICINE
卷 9, 期 13, 页码 4622-4631出版社
WILEY
DOI: 10.1002/cam4.3113
关键词
durvalumab; non-small cell lung cancer; radiation pneumonitis
类别
资金
- NIH/NCI Cancer Center Support Grant [P30 CA008748]
- NIH/NCI [R01 CA198121]
Introduction Durvalumab after concurrent chemoradiation (cCRT) is now standard of care for unresected stage III non-small cell lung cancer (NSCLC). However, there is limited data on radiation pneumonitis (RP) with this regimen. Therefore, we assessed RP and evaluated previously validated toxicity models in predicting for RP in patients treated with cCRT and durvalumab. Methods Patients treated with cCRT and >= 1 dose of durvalumab were evaluated to identify cases of >= grade 2 RP. The validity of previously published RP models was assessed in this cohort as well a reference cohort treated with cCRT alone. The timing and incidence of RP was compared between cohorts. Results In total, 11 (18%) of the 62 patients who received cCRT and durvalumab developed >= grade 2 RP a median of 3.4 months after cCRT. The onset of RP among patients treated with cCRT and durvalumab was significantly longer vs the reference cohort (3.4 vs 2.1 months; P = .01). Numerically more patients treated with cCRT and durvalumab developed RP than patients in the reference cohort (18% vs 9%, P = .09). Among patients treated with cCRT and durvalumab, 82% (n = 9) were responsive to treatment with high-dose glucocorticoids. Previously published RP models widely underestimated the rate of RP in patients treated with cCRT and durvalumab [AUC similar to 0.50; p(Hosmer-Lemeshow): 0.98-1.00]. Conclusions Our data suggest a delayed onset of RP in patients treated with cCRT and durvalumab vs cCRT alone, and for RP to develop in a greater number of patients treated with cCRT and durvalumab. Previously published RP models significantly underestimate the rate of symptomatic RP among patients treated with cCRT and durvalumab.
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