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.
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Journal of Clinical Oncology |
| Vol/bind | 13 |
| Udgave nummer | 5 |
| Sider (fra-til) | 1215-20 |
| Antal sider | 6 |
| ISSN | 0732-183X |
| Status | Udgivet - maj 1995 |
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