BACKGROUND: Fludarabine (FLU) is a new antimetabolite chemotherapeutic agent with a promising therapeutic activity in the lymphoproliferative disorders. PATIENTS AND METHODS: We performed a phase II study with this drug in previously untreated and treated patients with resistant and/or relapsed low-grade non-Hodgkin's lymphoma (LG-NHL) to determine its response rate. Twenty-one patients were treated at a dosage of 25 mg/m2 per day for 5 consecutive days. RESULTS: Of the 21 patients, 3 achieved complete responses (CR) and 11 partial responses (PR). In addition, three patients obtained minor responses, and the remaining 4 showed no benefit from the treatment. An increased response rate was achieved in 8 untreated patients in which 3 CR and 3 PR were documented. Furthermore, 4 of the 5 patients showing a leukemic blood picture experienced significant reductions of lymphocyte count and 2 patients with macroglobulinemic lymphomas experienced significant reductions of the IgM monoclonal component from 7.8 and 5.9 g/100 mL to 1.0 and 1.1 g/100 mL, respectively. The toxicity on platelets was negligible. The major toxic effects observed were neutropenia (62%) and infections and/or febrile episodes (19%) that were fatal to only one patient. CONCLUSIONS: In consideration of its significant activity, the role of FLU needs to be further evaluated in the management of pretreated and untreated patients with LG-NHL.

Fludarabine: an active agent in the treatment of previously-treated and untreated low-grade non-Hodgkin's lymphoma

ZAJA, Francesco;FANIN, Renato
1993-01-01

Abstract

BACKGROUND: Fludarabine (FLU) is a new antimetabolite chemotherapeutic agent with a promising therapeutic activity in the lymphoproliferative disorders. PATIENTS AND METHODS: We performed a phase II study with this drug in previously untreated and treated patients with resistant and/or relapsed low-grade non-Hodgkin's lymphoma (LG-NHL) to determine its response rate. Twenty-one patients were treated at a dosage of 25 mg/m2 per day for 5 consecutive days. RESULTS: Of the 21 patients, 3 achieved complete responses (CR) and 11 partial responses (PR). In addition, three patients obtained minor responses, and the remaining 4 showed no benefit from the treatment. An increased response rate was achieved in 8 untreated patients in which 3 CR and 3 PR were documented. Furthermore, 4 of the 5 patients showing a leukemic blood picture experienced significant reductions of lymphocyte count and 2 patients with macroglobulinemic lymphomas experienced significant reductions of the IgM monoclonal component from 7.8 and 5.9 g/100 mL to 1.0 and 1.1 g/100 mL, respectively. The toxicity on platelets was negligible. The major toxic effects observed were neutropenia (62%) and infections and/or febrile episodes (19%) that were fatal to only one patient. CONCLUSIONS: In consideration of its significant activity, the role of FLU needs to be further evaluated in the management of pretreated and untreated patients with LG-NHL.
1993
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2953412
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