CELL-CYCLE CHARACTERISTICS - ALTERABLE DETERMINANTS OF REMISSION DURATION IN A STUDY OF 179 STANDARD RISK NEWLY DIAGNOSED PATIENTS WITH ACUTE MYELOID-LEUKEMIA
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- Published online on: February 1, 1993 https://doi.org/10.3892/ijo.2.2.301
- Pages: 301-307
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Abstract
Prognostic factors were related to remission duration among 179 standard risk newly diagnosed acute myeloid leukemia (AML) patients who received identical induction and consolidation therapies. Following a bromodeoxyuridine infusion, labeling indices of bone marrow aspirate/biopsy, durations of S-phase and cell cycle (Tc) were determined. Patients with slowly cycling myeloblasts had longer remissions (Log rank p=0.03) than those with rapidly cycling myeloblasts. Multivariate analysis demonstrated that both WBC and Tc contributed to remission duration (p=0.01 and 0.005 respectively). Patients with slowly proliferating leukemias have longer remissions probably due to slower regrowth of leukemia between chemotherapy courses.