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Antibodies in the treatment of aplastic anemia

David Gómez-Almaguer1, Jose Carlos Jaime-Pérez, Guillermo J Ruiz-Arguelles

  • 1Hematology Service, Hospital Universitario, UANL, Paris 3029 Col. Cumbres, 64610, Monterrey, N.L., Mexico. dr_gomez@infosel.net.mx

Archivum Immunologiae Et Therapiae Experimentalis
|February 7, 2012
PubMed

Antibodies have been the cornerstone of treatment of acquired aplastic anemia for more than 25 years. Treatment with antithymocyte globulin (ATG) is considered pivotal and the addition of cyclosporine improves the overall response rate. This antibody is heterogeneous and horse ATG is apparently more effective than rabbit ATG. Several issues remain unsolved in relation to the combination of ATG and cyclosporine: cost, toxicity and late clonal disorders. In recent years, alternative immunosuppressive therapy has been proposed and new antibodies have emerged: porcine ATG, alemtuzumab, daclizumab, and rituximab. Experience with these antibodies is limited to a few studies with alemtuzumab being the most promising, but the results are interesting and provocative. More studies are needed to find the perfect antibody.

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