High-dose 3D chemoradiotherapy trials in stage III non-small cell lung cancer (NSCLC) at the University of North Carolina: Long-term follow up and late complications
2016
7145 Background: Combined modality treatment is the standard of care for patients (pts.) with unresectable stage III NSCLC. Dose escalation of radiotherapy and the use of concurrent chemotherapy are two strategies attempting to improve survival and locoregional control. The intensification of therapy increases the risk of both early and late treatment related toxicities. Methods: From 5/1996 to 8/2004, 112 stage III NSCLC pts. were entered into 4 Phase I/II trials to assess the safety and feasibility of high-dose (74–90 Gy) thoracic conformal radiotherapy (TCRT) in QD or BID fractions. All pts. were treated with platinum-based induction chemotherapy; 3 of the trials also used concurrent chemotherapy. Results: The median follow up of survivors (29/112) on these trials was 4.9 years. The overall response rate after combined modality therapy was 47% (53/112) (CR 4%, 5/112; PR 43%, 48/112). 27% (30/112) had stable disease. The median survival (with 95% CI) was 24 months (18–31 months). 1-, 3-, and 5-year over...
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