Early clearance of hairy cell leukaemia in the bone marrow after first-line treatment with cladribine predicts a favourable outcome
BRITISH JOURNAL OF HAEMATOLOGY(2024)
摘要
First-line purine nucleoside analogues (PNAs) in hairy cell leukaemia (HCL) allow deep and long-lasting responses. We retrospectively analysed 53 HCL patients treated frontline with cladribine and assessed for response at 2 and 6 months after treatment to evaluate the kinetics of response. The estimated median progression-free survival was significantly different according to the degree of residual HCL infiltrate detected by immunohistochemistry at the bone marrow biopsy at 2 months (<= 5% vs. >5%, 247 vs. 132 months, respectively, p = 0.033), but not at 6 months (p = 0.79). Our data suggest a favourable prognostic impact of early marrow HCL clearance in patients treated with cladribine.
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关键词
cladribine,early response assessment,hairy cell leukaemia
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