Treatment of Waldenstrom's macroglobulinemia with rituximab: prognostic factors for response and progression.

Abstract:

:Recent data have suggested that rituximab is an active agent for the treatment of Waldenstrom's macroglobulinemia (WM). However, the patients that are more likely to benefit have not been clearly defined. In order to address this question we evaluated 52 patients who were treated with single-agent rituximab in the context of prospective studies. Several clinical and laboratory variables were assessed for their correlation with response and time to progression. Twenty-three (44%) patients achieved a partial response after treatment with rituximab. Previously untreated and pretreated patients had the same probability for response. Higher response rates were noted in patients with serum monoclonal protein < 40 g/l, with serum albumin > or = 35 g/l and with kappa light chain. The median time to progression for all patients was 13.8 months. A multivariate analysis indicated that elevated serum monoclonal protein levels and low serum albumin were the dominant variables associated with shorter progression. Presence of two, one or none of these adverse prognostic factors was associated with time to progression of 3.6 months, 11 months and more than 40 months, respectively. We conclude that rituximab is an effective treatment modality for patients with WM. Patients with both low levels of monoclonal protein and normal albumin are the best candidates for treatment with standard dose rituximab.

journal_name

Leuk Lymphoma

journal_title

Leukemia & lymphoma

authors

Dimopoulos MA,Alexanian R,Gika D,Anagnostopoulos A,Zervas C,Zomas A,Kyrtsonis MC,Anagnostopoulos N,Pangalis GA,Weber DM

doi

10.1080/10428190410001723287

keywords:

subject

Has Abstract

pub_date

2004-10-01 00:00:00

pages

2057-61

issue

10

eissn

1042-8194

issn

1029-2403

pii

R6EETL7KXQAV1N3X

journal_volume

45

pub_type

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