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Leukemia & lymphoma · Jan 2002
Level of CD 20-expression and efficacy of rituximab treatment in patients with resistant or relapsing B-cell prolymphocytic leukemia and B-cell chronic lymphocytic leukemia.
- Jolanta Perz, Julian Topaly, Stefan Fruehauf, Manfred Hensel, and Anthony D Ho.
- Department of Internal Medicine V, University of Heidelberg, Germany.
- Leuk. Lymphoma. 2002 Jan 1; 43 (1): 149-51.
AbstractRituximab (IDEC C2B8) is a chimeric human-mouse monoclonal anti-CD20 antibody that has been proven to be effective for the treatment of patients with CD20 positive leukemia and lymphoma. The level of CD20-expression in patients with B-cell chronic lymphocytic leukemia (B-CLL) is low in comparison to other B-cell lymphomas and normal B-cells. Previous experience with rituximab treatment in small series of patients with B-CLL suggest that it is less effective in B-CLL than in follicular lymphomas. We analyzed the correlation between CD20-expression level and efficacy of rituximab treatment in eight patients with refractory or relapsed B-CLL and two patients with B-cell prolymphocytic leukemia (B-PLL). We could not identify any correlation between CD20-expression and efficacy of rituximab treatment.
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