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Abstract

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Purpose : The aim of this study was to evaluate local control and long-term survival of
concurrent hyperfractionated radiotherapy with CDDP/VP-16 chemotherapy in limited
stage small cell lung
Materials and Methods : From April 1992 to April 1997, twenty-nine patients with
limited stage small cell lung cancer received cisplatin 25 mg/m2 plus
etoposide 120 mg/m2 on day 1, 2 and 3. Chemotherapy was repeated every
4 weeks for a total of 4 courses. Radiation was given to 60 Gy in 50 twice-daily
fractionation separated by at least 6 hours, 5 days per week. Thoracic radiotherapy was
started with first course of chemotherapy for 28.8 Gy. After 12 days break, radiotherapy
was resumed with second course of chemotherapy for another 31.2 Gy.
Results : Twenty-eight patients (96.6%) were evaluable. Patient characteristics include:
median age 58.4 years (range 45-67); clinical stage ¥²a 13 pts, stage ¥²b 15 pts; ECOG
performance status 0 (8 pts), 1 (16 pts) and 2 (4 pts). Objective responses were 21
complete response, 6 partial response, 1 stable disease with overall response rate of
96.4%. Grade ¥² and ¥³ toxicities were leukopenia in 23/28 pts, thrombocytopenia in 8/28
pts, stomatitis in 10/28 pts, and alopecia in 8/28 pts. The median survival time was 19.2
months with 1 year, 2 year, 3 year, and 4 year actuarial survival rates and RFS are
65.6%, 30.6%, 30.6%, 24.5%, and 65.3%, 52.8%, 52.8%, 42.2% , respectively. Overall
survival rate according to TNM stage, weight loss, age and sex were not statistically
significant. Patterns of relapse were local only in 2 pts, systemic only in 7 pts, and
local plus systemic in 1 pt, and brain was the most frequent systemic recurrent site (4
pts).
Conclusion : Concurrent hyperfractionated radiotherapy with CDDP/VP-16 chemotherapy
seems to produce better local control and survival rates in limited stage small cell lung
cancer.

Å°¿öµå

Concurrent chemo-radiotherapy; Hyperfractionated radiotherapy; Chemotherapy; Small cell lung cancer;

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