ANTI-CD33 MONOCLONAL-ANTIBODY M195 FOR THE THERAPY OF MYELOID-LEUKEMIA

被引:14
作者
CARON, PC [1 ]
SCHEINBERG, DA [1 ]
机构
[1] MEM SLOAN KETTERING CANC CTR,DEPT MED,CLIN IMMUNOL SERV,NEW YORK,NY 10021
关键词
MONOCLONAL ANTIBODY; M195; ACUTE MYELOGENOUS LEUKEMIA; HUMANIZED ANTIBODY; RADIOLABEL; CD33;
D O I
10.3109/10428199309064254
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Leukemia is well suited for monoclonal antibody therapy due to the accessible, differentiation antigens that characterize stages of maturation. In this paper, we describe the use of radio-labeled M195, a murine IgG2a, anti-CD33 monoclonal antibody, that can be used to effectively cytoreduce AML cells in relapsed patients when tumor burden is high; or to eliminate minimal residual disease and lengthen disease-free survival in patients with APL in remission. To decrease the likelihood of immunogenicity, a humanized IgG1 version of M195 was constructed that demonstrated a higher avidity and improved effector function than the parent murine antibody. Preliminary results of the first trial in AML using a humanized antibody showed specific bone marrow targeting without an immunogenic response.
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页码:1 / 6
页数:6
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