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  • Title: First immunochemotherapy outcomes in elderly patients with CLL: a retrospective analysis.
    Author: Michallet AS, Cazin B, Bouvet E, Oberic L, Schlaifer D, Mosser L, Salles G, Coiffier B, Laurent G, Ysebaert L.
    Journal: J Geriatr Oncol; 2013 Apr; 4(2):141-7. PubMed ID: 24071539.
    Abstract:
    BACKGROUND: To date, the majority of trials on chronic lymphocytic leukemia (CLL) focused on patients considerably younger than the median age of onset for CLL. As a result, no definitive treatment exists for elderly patients, especially less medically fit patients. OBJECTIVES: The objectives of this study are to examine the impact of comorbidities on outcome as well as to compare three different therapeutic regimens in outcome efficacy. MATERIALS AND METHODS: We retrospectively identified 143 patients aged >65 years, who received fludarabine, cyclophosphamide, and rituximab (FCR) (n=49), fludarabine and rituximab (FR) (n=74), or rituximab with chlorambucil (R-CLB) (n=20) as first initial immunochemotherapy. RESULTS: At current follow-up (median: 24 months), the proportion of patients with a clinical response was higher with FCR (75%) than FR (57%) and R-CLB (28%). For FCR, FR, and R-CLB patients, 2-year overall survival (OS) was 94%, 76%, and 73%, respectively, (p=0.14), while 2-year progression-free survival (PFS) was 90%, 58%, and 30% (p<0.001). In the fludarabine based regimen (FR and FCR) population, higher rituximab doses (500mg/m(2) vs. 375mg/m(2)) correlated with prolonged PFS. CONCLUSION: Despite the retrospective nature of this study, we demonstrate that elderly patients with CLL benefit from frontline immunochemotherapy, and emphasize the importance of maintaining rituximab dose intensity.
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