Tumor necrosis factor alpha release is a major biological event associated with rituximab treatment
Abstract
In patients with low-grade non-Hodgkin's lymphoma, rituximab (MabThera) produces infusion-related toxicity, including fever, rigors, and chills in greater than 50% of those treated. The majority of these reactions are grade 1 or 2. In the GELA study LNH98-5, a total of 400 elderly patients with previously untreated diffuse large B-cell lymphoma were randomized to treatment with CHOP or with rituximab plus CHOP (R-CHOP). In a detailed investigation of biological events which may be associated with adverse reactions specific to rituximab infusion, a subgroup of 55 patients (26 in the CHOP group and 29 in the R-CHOP group) were selected for measurement of several biological parameters at baseline and at 1, 4 and 8 h (H1, H4 and H8, respectively) after commencing therapy. For 27 patients, measurements included cytokine and complement levels. Baseline demographic and disease characteristics were similar for patients in both treatment groups. Compared with the CHOP treatment group, patients in the R-CHOP group had significantly higher post-treatment changes in neutrophil, lymphocyte, and monocyte counts, LDH levels, C3a levels, and TNF-alpha levels. In the R-CHOP group, neutrophil levels increased at H4 (P<0.05), lymphocyte levels de...Continue Reading
Citations
The absence of CD20 messenger RNA in recurrent cutaneous B-cell lymphoma following rituximab therapy
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