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  • Title: Remissions in hairy-cell leukemia with pentostatin (2'-deoxycoformycin).
    Author: Spiers AS, Moore D, Cassileth PA, Harrington DP, Cummings FJ, Neiman RS, Bennett JM, O'Connell MJ.
    Journal: N Engl J Med; 1987 Apr 02; 316(14):825-30. PubMed ID: 2434850.
    Abstract:
    The Eastern Cooperative Oncology Group conducted a study of pentostatin (2'-deoxycoformycin) in 37 patients with hairy-cell leukemia. Among the 27 patients who met all the study's entry criteria, the response rate was 96 percent, with 16 patients (59 percent) entering complete remission and 10 patients (37 percent) partial remission. In one patient no response was observed. These results were not significantly changed by the inclusion of nine additional patients who were found retrospectively not to have fulfilled the entry criteria. When complete remission was attained, maintenance therapy was not given. Despite this, no patient has had a relapse, and the duration of complete remission ranges from 1 to 375 days. Pentostatin appears to be equally effective in untreated patients and in those who have progressive disease after splenectomy or after both splenectomy and treatment with interferon. Whether pentostatin is superior to splenectomy or interferon as therapy for hairy-cell leukemia will have to be assessed by direct comparison in randomized studies. Lengthy follow-up will be required to determine a median duration for the responses of hairy-cell leukemia to pentostatin.
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