Table 1.

Patients’ Characteristics

UPN Stage BCR/ABL Treatment Mobilization
ECP  b3a2  Hydroxyurea  Cytox/G  
2  ECP  b3a2 IFN-α  MAC/G  
3  ECP  b3a2  Hydroxyurea/IFN-α No  
4  ECP  b3a2  Hydroxyurea  Cytox/G  
5  LCP b2a2  Hydroxyurea  MAC/G  
6  LCP  b2a2 Hydroxyurea/IFN-α  MAC/G  
7  LCP  b3a2  IFN-α Cytox/G  
8  LCP  b3a2  IFN-α  No  
9  AP b3a2  Hydroxyurea/IFN-α  MAC/G  
10  AP  b3a2 Hydroxyurea  No  
11  AP  b3a2  IFN-α No 
UPN Stage BCR/ABL Treatment Mobilization
ECP  b3a2  Hydroxyurea  Cytox/G  
2  ECP  b3a2 IFN-α  MAC/G  
3  ECP  b3a2  Hydroxyurea/IFN-α No  
4  ECP  b3a2  Hydroxyurea  Cytox/G  
5  LCP b2a2  Hydroxyurea  MAC/G  
6  LCP  b2a2 Hydroxyurea/IFN-α  MAC/G  
7  LCP  b3a2  IFN-α Cytox/G  
8  LCP  b3a2  IFN-α  No  
9  AP b3a2  Hydroxyurea/IFN-α  MAC/G  
10  AP  b3a2 Hydroxyurea  No  
11  AP  b3a2  IFN-α No 

BCR/ABL gene rearrangements were determined by RT-PCR and Southern blotting. “b3a3” indicates that the RT-PCR product hybridized with the probe (B3A2) spanning abl exon 2 and bcr exon 3, whereas “b2a2” means rearrangement between abl exon 2 and bcr exon 2.

Abbreviations: MAC-G, mitoxantrone (8 mg/m2 on days 1 and 2), cytosine-arabinoside (1,000 mg/m2 twice daily on days 1 and 2), cyclophosphamide (4 g/m2 on day 1), and G-CSF 5 μg/kg/d starting on day +5; Cytox/G, cyclophosphamide (4 g/m2) followed by G-CSF at 5 μg/kg/d starting on day +5; ND, not done.

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