Patient-reported symptom burdens in NSCLC patients undergoing proton, 3DCRT, or IMRT.
2017
7574 Background: Concurrent chemoradiation (CXRT) for stage III non-small-cell lung cancer (NSCLC) patients is associated with the development of systemic self-reported symptom burden as well as radiation esophagitis (RE). This longitudinal study aims to provide a profile of the symptom burden among 3 radiation techniques concurrently used with chemotherapy: 3-dimensional conformal radiation therapy (3DCRT), intensity- modulated radiation therapy (IMRT) and proton beam therapy (PBT). Methods: NSCLC patients (N=164) treated at MD Anderson Cancer Center rated symptoms via the M. D. Anderson Symptom Inventory (MDASI) weekly from pre-therapy up to 20 weeks post-therapy. Descriptive analysis identified major symptom burden, and mixed effect modeling examined change over time in symptom outcomes among the 3 types of CXRT. Results: Average total radiation dose was higher (p=.0003) for PBT (N=30, 71.6 Gy) and IMRT (N=67, 66.3 Gy) than for 3DCRT (N=24, 62.1 Gy). Over time, all patients reported a cluster of sympto...
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