Multicyclic, dose-intensive chemotherapy supported by sequential reinfusion of hematopoietic progenitors in whole blood.
Pettengell, Ruth Woll, Penella J Thatcher, Nick Dexter, T Michael Testa, Nydia G
Pettengell, Ruth
Woll, Penella J
Thatcher, Nick
Dexter, T Michael
Testa, Nydia G
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Abstract
PURPOSE: To support multicyclic, dose-intensive chemotherapy, we assessed the effects of reinfusing hematopoietic progenitors collected at each cycle in leukapheresis product or whole blood. PATIENTS AND METHODS: 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. RESULTS: ICE chemotherapy with G-CSF was effective in mobilizing blood progenitors (median, 120-fold). Long-term cultures showed no evidence of stem-cell depletion. The cytotoxic dose-intensity of standard every-4-weeks ICE is 100%. In the first three cycles, it was 134% (median) in cohort 1 and 200% in cohorts 2 and 3 (P < .0001). Toxicity and supportive care requirements were not increased. CONCLUSION: The dose-intensity of ICE chemotherapy can be doubled by reinfusing hematopoietic progenitors collected by leukapheresis or venesection and stored at 4 degrees C.
Description
Date
1995-01
Publisher
Keywords
Haematopoietic Stem Cell Transplantation
Lung Cancer
Lung Cancer
Type
Article
Citation
Multicyclic, dose-intensive chemotherapy supported by sequential reinfusion of hematopoietic progenitors in whole blood. 1995, 13 (1):148-56 J. Clin. Oncol.