Abstract
Aims and Background
To improve the survival of patients with aggressive non-Hodgkin's lymphoma, we evaluated a risk-adapted therapeutic approach using high-dose (HD) or conventional-dose (CD) chemotherapy (CT) for poor-risk and good-risk patients, respectively.
Methods
Twenty patients were treated in each group. In both groups, the first chemotherapy cycle consisted of dexamethasone, vincristine, ifosfamide, and etoposide. Thereafter, the CD or HD patients received 3 or 2 cycles of dexamethasone, vincristine, epirubicin, and cyclophosphamide, respectively, followed by 1 cycle of dexamethasone, carboplatin, and etoposide. In the HD group cyclophosphamide, epirubicin, carboplatin, and etoposide were dose-escalated by a factor of 6, 3, 3, and 3, respectively, as compared to the CD group, and autologous peripheral blood stem cells were administered after each HD-CT cycle.
Results
Grade III-IV toxicities were neutropenia and thrombocytopenia (100%), anemia (55%), and stomatitis (30%) in patients with HD-CT, and neutropenia (90%) in patients with CD-CT. One toxic death occurred in a patient with HD-CT. The overall response rate was 100% in HD-CT patients, including 70% complete remissions, and 80% in CD-CT patients, including 60% complete remissions. The 10-year overall survival was 55% for patients with HD-CT and 80% for patients with CD-CT.
Conclusions
The risk-adapted treatment approach showed tolerable toxicities and was associated with encouraging results.
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