Journal of clinical oncology : official journal of the American Society of Clinical Oncology
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To assess activity and toxicity of topotecan in previously treated small-cell lung cancer (SCLC) patients. ⋯ Topotecan has significant activity in SCLC, particularly in patients sensitive to prior chemotherapy, with predictable and manageable toxicity. The incorporation of topotecan in combination chemotherapy regimens for future treatment of SCLC is warranted.