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Akane Sekiguchi
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EP1.12 - Small Cell Lung Cancer/NET (ID 202)
- Event: WCLC 2019
- Type: E-Poster Viewing in the Exhibit Hall
- Track: Small Cell Lung Cancer/NET
- Presentations: 1
- Now Available
- Moderators:
- Coordinates: 9/08/2019, 08:00 - 18:00, Exhibit Hall
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EP1.12-36 - Treatment Outcomes and Risk Factors of Limited-Stage Small Cell Lung Cancer Patients Treated with Chemoradiotherapy (Now Available) (ID 442)
08:00 - 18:00 | Author(s): Akane Sekiguchi
- Abstract
Background
The aim of this study was to report clinical outcomes and prognostic factors in limited- stage small cell lung cancer (LD-SCLC) patients treated with chemoradiotherapy (CRT).
Method
Data on 107 LD-SCLC patients who received CRT between September 2000 and March 2017 were analyzed retrospectively. The median age of the patients was 66 years (range 42–85 years); 79 (73.8%) patients were male and 28 (26.2%) were female. Seventy-four (69.2%) patients received concurrent CRT (CCRT) with 45 Gy in 30 twice-daily fractions (n=52) or with 54–60 Gy in 27–30 once-daily fractions (n=22). The other 33 patients received sequential CRT (SCRT) with 54–60 Gy in 27–30 once-daily fractions. Prophylactic cranial irradiation was administered to 35 (32.7%) patients. Cisplatin/etoposide or carboplatin/etoposide were mainly selected as chemotherapy regimens. Survival rates were estimated using the Kaplan-Meier method, and univariate and multivariate analysis was performed using the log-rank test and Cox proportional hazard model, respectively.
Result
Median follow-up duration was for 28.6 months (range 1.6–147.2 months). Three-year overall survival, progression-free survival and cause-specific survival rates were 51.1%, 38.8% and 51.5%, respectively.
On univariate analysis metastatic lymph node status (N0 vs N≥1) and timing of CRT (CCRT vs SCRT) were detected as significant prognostic factors for overall survival (3-year overall survival: 100% vs 48.2%, p=0.02; and 56.6% vs 37.7%, p=0.04, respectively). On multivariate analysis, however, these factors did not reach statistical significance.
Conclusion
Treatment outcomes in LD-SCLC patients suggested metastatic lymph node status and timing of CRT as prognostic factors for overall survival.