Summary
A patient with a lymphoid blast crisis of a chronic myelogenous leukemia (CML) was treated with vindesine, vincristine and prednisone. Blasts disappeared from the peripheral blood but persisted at a level of 60% in the bone marrow. After 5 weeks of continuous therapy, the patient became thrombopenic, and 2 weeks later blasts rose to 31%. After 7 weeks, 1 g MPA was given daily p.o. and weekly vincristine treatment was resumed. Blasts disappeared again from the peripheral blood, thrombocytes rose to a maximum of 274 g/l, and a remission with less than 5% blasts was demonstrated in the bone marrow. In another relapse after withdrawal of MPA, estrogen and progesterone receptors (PR) were found in the leukemic cells. Thus, a remission was seen during treatment with vincristine, prednisone, and MPA after a deterioration with vincristine and prednisone alone in a PR-positive leukemia, and an effect of MPA in this lymphoid blast crisis of a CML has to be discussed.
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Fink, M. Possible effect of medroxyprogesterone acetate (MPA) in lymphoid blast crisis of chronic myelogenous leukemia. Ann Hematol 68, 89–90 (1994). https://doi.org/10.1007/BF01715138
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DOI: https://doi.org/10.1007/BF01715138