Multicyclic, dose-intensive chemotherapy supported by sequential reinfusion of hematopoietic progenitors in whole blood

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
R PettengellN G Testa

Abstract

To support multicyclic, dose-intensive chemotherapy, we assessed the effects of reinfusing hematopoietic progenitors collected at each cycle in leukapheresis product or whole blood. Twenty-five patients with small-cell lung cancer (SCLC) were treated with six cycles of ifosfamide, carboplatin, and etoposide (ICE) with granulocyte colony-stimulating factor (G-CSF) 300 micrograms/d subcutaneously (SC) on days 4 to 15. Hematopoietic progenitors collected during each cycle were reinfused on day 3 of the next cycle. Cohort 1 (n = 6) was treated every 3 weeks, with leukapheresis after 2 weeks and cryopreservation of the leukapheresis product. Chemotherapy was given if the WBC count was > or = 3 x 10(9)/L and platelet count > or = 100 x 10(9)/L. Cohort 2 (n = 7) was treated every 2 weeks, with leukapheresis on day 1 of the next cycle and storage of the leukapheresis product at 4 degrees C. Cohort 3 (n = 12) was treated every 2 weeks, with 500 to 750 mL of blood drawn by venesection on day 1 of the next cycle and stored at 4 degrees C. In cohorts 2 and 3, chemotherapy was given if the WBC count was > or = 3 x 10(9)/L and platelet count > or = 30 x 10(9)/L. Blood and leukapheresis products were assayed for hematopoietic progenitors. ICE...Continue Reading

Citations

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