How effective is alemtuzumab in salvage therapy for Waldenström macroglobulinemia?

Updated: Feb 01, 2021
  • Author: Karen Seiter, MD; Chief Editor: Emmanuel C Besa, MD  more...
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A study by Treon et al determined that alemtuzumab is an active therapy, but short-term and long-term toxicities need to be weighed against other options. Late-onset autoimmune thrombocytopenia is a complication of alemtuzumab. [50]

There has been only 1 randomized trial in patients with relapsed or refractory disease. Leblond et al [51] found better patient response to fludarabine than to the combination of cyclophosphamide, doxorubicin, and prednisone (CAP), in a study of 92 patients with Waldenström macroglobulinemia who had previously received alkylating agent ̶ based therapy. Partial responses were seen in 30% of patients receiving fludarabine, compared with 11% of those receiving CAP. Responses were more durable in patients receiving fludarabine when compared with CAP (19 mo vs 3 mo, respectively). However, there was no difference in overall survival between the 2 patient groups.

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