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  • Title: Relationship between leukemic cell retention of cytosine arabinoside triphosphate and the duration of remission in patients with acute non-lymphocytic leukemia.
    Author: Preisler HD, Rustum Y, Priore RL.
    Journal: Eur J Cancer Clin Oncol; 1985 Jan; 21(1):23-30. PubMed ID: 4038655.
    Abstract:
    Bone marrow cells were obtained from patients with acute non-lymphocytic leukemia immediately prior to the administration of cytosine arabinoside/anthracycline antibiotic remission induction therapy. The ability of the leukemic cells to take up and phosphorylate cytosine arabinoside (araC) and to retain cytosine arabinoside triphosphate (araCTP) was measured and compared to the outcome of remission induction therapy and the duration of remission. While the outcome of remission induction therapy was unrelated to cellular metabolism of araC, the duration of remission was highly correlated with araCTP retention. A comparison of the remission durations of patients treated on successive chemotherapeutic protocols suggests that the benefits of intensive remission consolidation therapy may be limited to patients whose leukemic cell retention of araCTP is low and that aggressive consolidation chemotherapy may reduce the prognostic significance of araCTP retention.
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