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Hairy cell leukemia: epidemiology, pharmacokinetics of cladribine, and long-term follow-up of subcutaneous therapy.

Author

Summary, in English

Hairy cell leukemia is often reported as a disease of young males. The male predominance is strong, 4:1, but the median age in the Swedish national compulsory cancer registry is similar to that of follicular lymphoma, i.e. 62 years. The overall 6-year survival in the Swedish registry of patients diagnosed since 2000 is 80%, 93% of patients <60 years, and 68% of those >60 years. The yearly risk of secondary cancers is 1.75%. Cladribine is a prodrug which is selectively activated intracellularly. The intracellular initial half-life is 13 h and the terminal half-life is 30 h. Subcutaneous injection once daily is simple and effective due to 100% bioavailability and no local side effects from injection, and self-administration is easy. Long-term follow-up of Scandinavian patients treated with cladribine (mostly as subcutaneous injections) in the early 1990s shows a >80% 15-year survival from cladribine treatment in <60 years of age, but <50% in older patients. Survival from diagnosis of these patients was similar for those previously treated and untreated.

Publishing year

2011

Language

English

Pages

46-49

Publication/Series

Leukemia & Lymphoma

Volume

52 Suppl 2

Document type

Journal article

Publisher

Taylor & Francis

Topic

  • Cancer and Oncology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1029-2403