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Long-term follow-up of patients with hairy cell leukemia after treatment
with 2'-deoxycoformycin
EH Kraut, MR Grever and BA Bouroncle
Department of Internal Medicine, Ohio State University, Columbus 43210.
Twenty-four patients with advanced hairy cell leukemia treated with 2'-
deoxycoformycin (dCF) were studied after achieving complete remission to
determine the impact of treatment on survival, disease-free survival,
long-term complications of treatment, and response to retreatment. At a
median follow-up time of 82 months (range, 54 to 104 months), 23 of 24
patients remain alive. One patient has died of recurrent disease refractory
to treatment. Of the remaining 23 patients, 11 have relapsed at a median
time of 30 months (range, 7 to 80 months) after treatment completion. Of
these 11 patients, 7 have been retreated with dCF or
2'-chlorodeoxyadenosine (2-CdA), including one patient that was retreated
twice. All seven patients have responded, with five patients achieving
second complete remission. Two patients have had normalization of blood
cell counts, but repeat bone marrows have not been performed. No serious
infections have been seen in dCF-treated patients during follow-up. One
case of Hodgkin's disease and three cases of skin malignancies have
developed in these 24 patients. From initiation of treatment, survival is
93 months (range, 63 to 116 months). We concluded that dCF significantly
prolongs the survival of patients with advanced hairy cell leukemia without
resultant long-term complications. It is too early to predict if this
therapy will be curative for the patients still in remission.
Volume 84,
Issue 12,
pp. 4061-4063,
12/15/1994
Copyright © 1994 by The American Society of Hematology

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