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Stage 0 Chronic Lymphocytic Leukemia

    Because of the indolent nature of stage 0 chronic lymphocytic leukemia (CLL), treatment is not indicated.[1] The French Cooperative Group on CLL randomly assigned 1,535 patients with previously untreated stage A disease to receive either chlorambucil or no immediate treatment and found no survival advantage for immediate treatment with chlorambucil.[2][Level of evidence: 1iiA] A meta-analysis of six trials of immediate versus deferred therapy with chlorambucil (including the aforementioned trial by the French Cooperative Group) showed no difference in overall survival at 10 years.[3][Level of evidence: 1iiA] Whether immediate therapy with the nucleoside analogs or other newer strategies will be superior to a watchful waiting approach is uncertain.

    Current Clinical Trials

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    Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with stage 0 chronic lymphocytic leukemia. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.

    General information about clinical trials is also available from the NCI Web site.

    References:

    1. Casper JT: Prognostic features of early chronic lymphocytic leukaemia. International Workshop on CLL. Lancet 2 (8669): 968-9, 1989.
    2. Dighiero G, Maloum K, Desablens B, et al.: Chlorambucil in indolent chronic lymphocytic leukemia. French Cooperative Group on Chronic Lymphocytic Leukemia. N Engl J Med 338 (21): 1506-14, 1998.
    3. Chemotherapeutic options in chronic lymphocytic leukemia: a meta-analysis of the randomized trials. CLL Trialists' Collaborative Group. J Natl Cancer Inst 91 (10): 861-8, 1999.

      This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

      WebMD Public Information from the National Cancer Institute

      Last Updated: February 25, 2014
      This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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