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Int J Radiat Oncol Biol Phys. 2003 Nov 1;57(3):701-8.

Radiation dose escalation in limited-stage small-cell lung cancer.

Author information

  • 1Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02116, USA. Kroof@partners.org

Abstract

PURPOSE:

To review the treatment outcomes of limited-stage small-cell lung cancer (LS-SCLC) patients treated with > or =50 Gy of radiation at Massachusetts General Hospital (MGH) between 1987 and 2000 and to assess for evidence of a continuation of a radiation dose response.

METHODS AND MATERIALS:

The MGH cancer registry was searched for SCLC patients treated with radiotherapy between 1987 and 2000. Records of LS-SCLC patients treated with curative intent and radiation doses > or =50 Gy at MGH were reviewed. Surgical patients were excluded.

RESULTS:

Eighty-four LS-SCLC patients were treated with radiotherapy at MGH between 1987 and 2000. Of the 84 patients, 54 (64%) met the inclusion criteria; 30 patients (56%) in this study died, and 4 (7%) were lost to follow-up. The median follow-up of the surviving patients was 42 months. The median overall survival was 29 months. The 2- and 5-year survival rate was 64% and 47%, respectively. The local control rate at 3 years was 78%.

CONCLUSION:

The overall survival, local control, and disease-free survival rates for LS-SCLC patients treated with > or =50 Gy of radiation compare favorably with historical data. These findings suggest a continuation of the radiation dose-response curve in LS-SCLC. This further supports the need for appropriately powered, Phase III, prospective randomized trials in radiation dose escalation or radiation dose intensification for LS-SCLC.

PMID:
14529774
[PubMed - indexed for MEDLINE]
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