Combination of topotecan and etoposide as a salvage treatment for patients with recurrent small cell lung cancer following irinotecan and platinum first-line chemotherapy

Hye Jin Choi, Byoung Chul Cho, Sang Joon Shin, Seong Ha Cheon, Jong Yul Jung, Joon Chang, Se Kyu Kim, Joo Hyuk Sohn, Joo Hang Kim

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Abstract

Purpose: The efficacy and safety of a combined regimen of topotecan and etoposide was tested in patients with relapsed or refractory small-cell lung cancer. Patients and methods: From October 2003 to May 2005, 23 patients who have failed to the previous irinotecan and platinum chemotherapy received intravenous topotecan 1 mg/m2 (day 1-5) and etoposide 80 mg/m 2 (day 1-3). Treatment was repeated every 21 days for a maximum of 6 cycles. Results: Twelve patients were refractory to first-line chemotherapy. Seventeen patients (73.9%) were male and the median age was 63 years. ECOG performance status was 0-1 in 13 (56.5%) patients. The median cycles of chemotherapy was three. Twenty-one patients were assessable for response evaluation. The overall response rate was 17.4% (0 CR, 4 PR, 7 SD, 10 PD) under the intent-to-treat analysis. Two sensitive case patients and two refractory case patients achieved partial response. After a median follow-up of 20.8 months, median progression free survival was 4.7 months and median overall survival was 9.5 months. The estimated 1-year survival rate was 38.7%. All patients were assessable for toxicity and major toxicities were myelosuppression. Grade 3/4 neutropenia and thrombocytopenia occurred in 18 (78.3%) and 12 (52.2%) patients, respectively. Grade 3/4 febrile neutropenia occurred in two patients (8.7%) and infection in three patients (13.0%). There was one treatment-related death due to pneumonia. Conclusion: This salvage regimen showed modest efficacy and manageable toxicities. Further study will be required in recurrent SCLC patients pretreated irinotecan and platinum.

Original languageEnglish
Pages (from-to)309-313
Number of pages5
JournalCancer Chemotherapy and Pharmacology
Volume61
Issue number2
DOIs
Publication statusPublished - 2008 Feb 1

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All Science Journal Classification (ASJC) codes

  • Oncology
  • Toxicology
  • Pharmacology
  • Cancer Research
  • Pharmacology (medical)

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