THERAPEUTIC EFFECT OF LEO 1031, AN ALKYLATING CORTICOSTEROID ESTER, IN LYMPHOPROLIFERATIVE DISORDERS

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Abstract
Leo 1031, a chlorambucil ester of prednisolone, has been administered to 20 patients with generalized lymphocytic lymphoma (LL) fo various histologic types. The average daily dose was 40 mg orally; the treatment was given continuously for 1-17 months (mean 7). Complete remission was obtained in five patients and partial remission in ten. The best results were obtained in patients with a nodular type of LL. Significant leucopenia was induced in two patients; no thrombocytopenia has occurred in any patient. In two patients a cushingoid habitus developed after 8 and 4 months, respectively. Leo 1031 may be of value as the single drug in the treatment of some types of LL. A combination therapy will Leo 1031 and vincristine has been tried in 5 of these patients; in 2 as initial therapy and in 3 later in association with relapse. Further trials to assess the value of Leo 1031 as part of a combination schedule are desirable.