Abstract:
:To assess parameters of therapeutic response and survival after the onset of the blastic phase (BP) in 47 patients with Philadelphia chromosome (Ph)-positive chronic myeloid leukemia (CML), a number of clinical hematologic, and cytogenetic data at the BP were evaluated. Among the eleven parameters examined, only the chromosomal findings correlated with the therapeutic response and survival after onset of the BP. The patients were divided into three groups on the basis of the chromosome findings in the bone marrow: one, with only a Ph (PP), another with two different clones, i.e., one clone with Ph only and another with additional karyotypic changes (AP), and a third group with only abnormal clones containing karyotypic abnormalities in addition to the Ph (AA). The number of patients with AA was 12, 18 with AP, and 17 with PP. The results were as follows: (1) The percentage of patients with a good therapeutic response was 25% (3/12) in AA, 22% (4/18) in AP, and 76% (13/17) in PP; (2) The median survival after the onset of the BP was 1.5 mo for AA, 2.4 mo for AP, and 7.3 mo for PP. Statistically, there was a significant difference between PP and the other two groups (p < 0.05). These data were reevaluated and compared to those of 64 patients with Ph-positive CML in Roswell Park Memorial Institute (RPMI) who had been reported earlier in 1983.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Sadamori N,Yao E,Mine M,Tokunaga S,Matsunaga M,Nakamura H,Sasagawa I,Itoyama T,Kawachi T,Sandberg AAdoi
10.3109/10428199109068124subject
Has Abstractpub_date
1991-01-01 00:00:00pages
187-92issue
2-3eissn
1042-8194issn
1029-2403journal_volume
5pub_type
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