A phase II study of carboplatin, etoposide, and exisulind in patients with extensive small cell lung cancer CALGB 30104

Ramaswamy Govindan, Xiaofei Wang, Maria Q. Baggstrom, Susan Burdette-Radoux, Lydia Hodgson, Everett E. Vokes, Mark R. Green

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9 Scopus citations

Abstract

Purpose: To assess the efficacy and toxicity of carboplatin, etoposide, and exisulind as initial therapy for extensive stage small cell lung cancer. Patients and Methods: The Cancer and Leukemia Group B conducted a phase II study of carboplatin (area under the curve 6) day 1 and etoposide 80 mg/m2 days 1-3 administered intravenously every 21 days with exisulind 250 mg orally twice daily in 44 evaluable patients with previously untreated extensive stage small cell lung cancer. The hypothesis was the addition of a novel cytostatic agent to standard therapy may increase survival time. The primary end point of the study was to evaluate overall survival. The secondary end points were to characterize response rates and toxicity. Results: The majority of the patients were male (64%), Caucasian (95%), and had performance status 0 or 1 (77%). The median age was 61 (range 44-82) years. The percentage of patients alive at 1 year was 36.4% (95% confidence interval CI: 24.6 -53.8%). The median overall survival was 10.6 months (95% CI: 9.1-14.7). The best overall response rate was 77% (95% CI: 62-89%) with 16% of the patients achieving complete response. The most frequent grade 3 or grade 4 hematological toxicities were neutropenia (64%), thrombocytopenia (36%), and febrile neutropenia (16%). The most common grade 3 or grade 4 nonhematological toxicities were gastrointestinal (30%) and electrolyte changes (23%). Conclusions: The addition of exisulind to a standard regimen of carboplatin and etoposide did not improve outcomes compared with historic controls treated with chemotherapy alone. Further evaluation of this regimen in small cell lung cancer is not warranted.

Original languageEnglish
Pages (from-to)220-226
Number of pages7
JournalJournal of Thoracic Oncology
Volume4
Issue number2
DOIs
StatePublished - Feb 2009

Keywords

  • CALGB
  • Carboplatin
  • Etoposide
  • Exisulind
  • Phase II
  • Small cell lung cancer

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