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Lung Cancer. 2001 Aug-Sep;33(2-3):213-9.

Ten-year follow-up of Southwest Oncology Group 8269: a phase II trial of concomitant cisplatin-etoposide and daily thoracic radiotherapy in limited small-cell lung cancer.

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  • 1Department of Radiation Oncology, San Antonio Cancer Institute, University of Texas Health Science Center, San Antonio, TX, USA

Abstract

PURPOSE:

To report the long-term follow-up of Southwest Oncology Group-8269, a phase II North American cooperative group trial of concurrent cisplatin, etoposide, vincristine (PEV), and thoracic radiotherapy (TRT) for limited small-cell lung cancer (L-SCLC).

METHODS:

114 eligible patients from 47 institutions enrolled between April, 1985 and March 1986. Patients had documented L-SCLC. Induction chemotherapy consisted of three cycles of PEV. TRT was administered at 1.8 Gy/fraction in 25 daily fractions to a total dose of 45 Gy, to begin concomitantly. Consolidative chemotherapy included two cycles of vincristine, methotrexate, etoposide, doxorubicin and cyclophosphamide. Prophylactic cranial irradiation (PCI) was concurrent with the 3rd cycle of chemotherapy. The PCI dose was 30 Gy in 15 fractions of 2 Gy/fraction.

RESULTS:

As of May 2000, 5 of 114 remain alive and progression-free with a minimum follow-up interval of 13.2 years, as of May 2000. The median follow-up interval is 14.2 years. Thirty eight patients died of causes other than SCLC and five patients are still alive and progression-free. Of the remaining 71 patients dying of SCLC, local failure (LF) occurred in 24% (17 patients), distant metastasis (DM) occurred in 35% (25 patients), simultaneous LF and DM occurred in 25% (18 patients), and was indeterminate in 16% (11 patients). Thus, LF was a component of failure in 49%. Twenty patients had the CNS as the initial site of failure. Eleven patients (10%) developed fatal second primary cancers, including two with acute myelogenous leukemia, two with squamous cell lung cancer, one each with breast, pancreas, prostate, renal cell, and myelodysplasia. One patient developed both a melanoma and non-Hodgkin's lymphoma.

CONCLUSION:

There are long-term survivors with concomitant TRT and PEV. LF and DM are common. Pattern of failure suggests needs to improve local and systemic control.

PMID:
11551416
[PubMed - indexed for MEDLINE]

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