BACKGROUND AND OBJECTIVES: To determine the clinical activity and safety of the combination immunotherapy of the chimeric anti-CD20 antibody, Rituximab, and Interferon (IFN)- alpha 2a DESIGN AND METHODS: Sixty-four patients with relapsed low-grade or follicular B-cell non Hodgkin's lymphoma received 4 infusion of Rituximab (375 mg/m(2) x dose) after priming and simultaneous treatment with IFN- alpha 2a. RESULTS: The overall response rate was 70% with 33% complete responses. Median for duration of response is 19 months, after a median follow-up of 22 months. By univariate analysis none of the most common prognostic factors predicted for response to therapy. After treatment 10 patients become bcl-2 negative in the bone marrow, but no correlation between molecular and clinical response was found. Fifty-three patients (83%) had drug related or unknown origin adverse events. The number of adverse events per patient varied from 1 to 21. Considering all 272 events, 231 (85%) were grade 1 or 2, 36 (13%) grade 3 and 5 (2%) grade 4. Twenty-three patients required reduction in the dose and/or short discontinuation of IFN treatment, either during priming or subsequent treatment. The most frequent adverse events were leukopenia, fever, neutropenia, hypotension and thrombocytopenia. INTERPRETATION AND CONCLUSIONS: this report shows that combination immunotherapy Rituximab + IFN- alpha 2a is active and relatively well tolerated. The overall response rate of 70% and the median duration remission of 19 months compare favorable with the results obtained with Rituximab alone in similar subset of patients. Randomized trials, investigating Rituximab versus combination immunotherapy are needed.
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|Data di pubblicazione:||2001|
|Titolo:||Clinical activity and safety of combination immunotherapy with interferon-(2a and rituximab in patients with relapsed low grade non-Hodgkin's lymphoma.|
|Autori:||Sacchi S.; Federico M.; Vitolo U.; Boccomini C.; Vallisa D.; Baldini L.; Petrini M.; Rupoli S.; Di Raimondo F.; Merli F.; Liso V.; Tabilio A.; Saglio G.; Vinci G.; Brugiatelli M.; Dastoli G.|
|Autori interni:||SACCHI, Stefano |
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