Long-term survival in small-cell lung cancer: posttreatment characteristics in patients surviving 5 to 18+ years--an analysis of 1,714 consecutive patients

U Lassen, K Osterlind, M Hansen, P Dombernowsky, B Bergman, H H Hansen

244 Citations (Scopus)

Abstract

PURPOSE: To describe in patients with small-cell lung cancer (SCLC) the characteristics of those who survive for > or = 5 years, to identify long-term prognostic factors, to analyze survival data of 5-year survivors, and to study 10-year survival in patients entered before 1981.

PATIENTS AND METHODS: A total of 1,714 unselected patients with SCLC were treated with combination chemotherapy in nine consecutive clinical trials from 1973 to 1991. All medical records were reviewed and follow-up data obtained to analyze and compare pretreatment and posttreatment characteristics.

RESULTS: Sixty patients survived longer than 5 years. Late relapses occurred in 15.0% of 5-year survivors and secondary malignancies in 20.0%. Twenty-six patients are still alive and disease-free 5 to 18 years (median, 9.5 years) from initiation of treatment. Extensive-stage disease, performance status (PS) more than 2, liver and bone marrow metastases, and elevated lactate dehydrogenase (LDH) and alkaline phosphatase levels were all negative prognostic factors. The 5-year survival rate was 3.5% (limited-stage disease, 4.8%; extensive-stage disease, 2.3%), and the 10-year survival rate was 1.8% (limited-stage disease, 2.5%; extensive-stage disease, 1.2%).

CONCLUSION: Long-term survival can be achieved for both stages of SCLC, but without any change in survival rates over the last decade. Long-term survivors continuously seem to have considerable mortality due to late relapses and secondary malignancies, especially tobacco-related cancers and other tobacco-related diseases.

Original languageEnglish
JournalJournal of Clinical Oncology
Volume13
Issue number5
Pages (from-to)1215-20
Number of pages6
ISSN0732-183X
Publication statusPublished - May 1995

Keywords

  • Alkaline Phosphatase
  • Antineoplastic Agents
  • Biomarkers, Tumor
  • Carcinoma, Small Cell
  • Combined Modality Therapy
  • Disease-Free Survival
  • Female
  • Follow-Up Studies
  • Humans
  • L-Lactate Dehydrogenase
  • Lung Neoplasms
  • Male
  • Middle Aged
  • Neoplasm Recurrence, Local
  • Neoplasm Staging
  • Peripheral Nervous System Diseases
  • Prognosis
  • Regression Analysis
  • Risk Factors
  • Survival Rate
  • Survivors
  • Treatment Outcome
  • Clinical Trial
  • Controlled Clinical Trial
  • Journal Article
  • Multicenter Study

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