Journal
ANNALS OF ONCOLOGY
Volume 21, Issue 2, Pages 331-334Publisher
OXFORD UNIV PRESS
DOI: 10.1093/annonc/mdp297
Keywords
chemotherapy complications; FCR; fludarabine; post-chemotherapy cytopenias
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Background: Fludarabine-based chemoimmunotherapy has well-recognised efficacy and short-term toxicity in the treatment of lymphoid malignancies. However, the presence and significance of prolonged cytopenias after completion of treatment have not been thoroughly quantified. Methods: Sixty-one patients receiving initial therapy with fludarabine-based regimens were categorised according to the presence of post-treatment cytopenias (haemoglobin <110-130 g/l depending on sex and age, neutrophils <2.0 X 10(9)/l, or platelets <140 X 10(9)/l) lasting > 3 months. Results: Persistent cytopenias unrelated to persistent disease were found in 43% of patients. Cytopenias were associated with clinically important rates of infection and transfusion requirement (P = 0.03) and predicted for worse overall survival (61% versus 96% at 60 months, P = 0.05). Increasing age predicted for persistent cytopenias (P = 0.02), but the presence of pretreatment cytopenias and delivered dose intensity were not predictive. The median times to resolution of anaemia, neutropenia, and thrombocytopenia were 7, 9, and 10 months, respectively. Conclusions: Cytopenias often persist > 3 months after first-line fludarabine combination therapy and can lead to important clinical sequelae. Although cytopenias generally resolve over time, treating physicians should be aware of these factors when considering fludarabine combination chemotherapy and when documenting treatment response status in chronic lymphocytic leukaemia.
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