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Cancer Research and Treatment > Volume 34(6); 2002 > Article
Cancer Research and Treatment 2002;34(6): 421-425. doi: https://doi.org/10.4143/crt.2002.34.6.421
Oral Etoposide, Ifosfamide and Cisplatin in the Treatment of Extensive Disease Small Cell Lung Cancer
Seok Jin Kim, Hwa Jung Sung, Kyong Hwa Park, So Young Yoon, Sang Cheul Oh, Jae Hong Seo, Chul Won Choi, Byung Soo Kim, Sang Won Shin, Yeul Hong Kim, Kwang Taek Kim, Young Ho Choi, Jun Suk Kim
1Department of Internal Medicine, College of Medicine, KoreaUniversity, Seoul, Korea. shinsw@kumc.or.kr
2Department of Chest Surgery, College of Medicine, KoreaUniversity, Seoul, Korea.
  Published online: December 31, 2002.
The combination of cisplatin and etoposide has been a common first line regimen for the treatment of small cell lung cancer (SCLC). The schedule dependence, and equal efficacy, of the oral and intravenous dosing of etoposide has led to prolonged administration of oral etoposide, which is known to produce an encouraging response in SCLC. To improve the efficacy of the cisplatin/etoposide combination, we administered oral etoposide, with added ifosfamide, which had significant single agent activity against SCLC. We conducted this study to evaluate the efficacy and toxicity of the cisplatin, ifosfamide and oral etoposide (PIE) combination in patients with extensive small cell lung cancer.
Twenty-five patients with histologically confirmed extensive small cell lung cancer were enrolled into this study between January 2000 and May 2002. They were treated with, cisplatin at 20 mg/ m2/day, ifosfamide 1.5 g/m2/day, with mesna (all given intravenously on Days 1~3), and oral etoposide 50 mg/m2 on days 4~17. This cycle was repeated every 4 weeks for up to 6 cycles. We evaluated the corresponding disease responses and toxicities.
The patients' characteristics were as follows: median age 65 years (32~75), 19 males and 6 females. The performance stati were ECOG 0 in 3 patients, ECOG 1 in 12 and ECOG 2 in 10. Sixteen patients had a partial response, 2 had a stable disease and 4 had a progressive disease. Thus, the overall objective response rate was 72.7% (95% CI: 49.6~88.4%), with a median response duration of 7 months (95% CI: 3.5~10.5 months). Myelosuppression was the major observed toxicity. Grades III and IV neutropenia were observed in 42 (46.1%) of the 91 cycles. Significant non-hematological toxicities (>or=Grade III) were uncommon, with the exception of nausea and vomiting.
The response rate to the combination of cisplatin, ifosfamide and oral etoposide was similar to that of other combination chemotherapy studies in patients with extensive disease small cell lung cancer. The toxicity of the regimen was considered acceptable.
Key words: Small cell lung cancer;Ifosfamide;Cisplatin;Oral etoposide
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