Table 4.

Details on patients with detection of kinase domain mutations


Patient no.

Disease phase

Therapy prior to imatinib

Karyotype

Mutation by ASO-PCR

Ct mut

Positive reactions, no./total

Sequencing

Best response

Follow-up sequencing/disease status

Last follow-up/disease status
7   AP   IFN   46,XY,t(9,22)[18]; 47,XY,t(9;22), +der(22)[6];47, XY,+8[1]   T3151   45.8   1/6   WT   CHR   WT day +42/PHR; WT day +107/PHR;WT day +785/CHR   Alive in CHR day +1591  
13   AP   HU   46,XY,t(9;22)[24]/47,XY,t(9;22), +der(22)[1]   Q252H   35.6-40.4   3/6   WT   MCR (20% Ph+)   Q252H day +176/MCR; Q252H+F359V day +325/MCR   Alive in MCR day +1087  
17   AP   IFN, HU   46,XY,t(9;22)(q34; q11)[25]   T3151   46.9   1/6   WT   PHR   WT day + 80/PHR; WT day+270/PHR; WT day +444/hematologic relapse   Hematologic relapse day + 531; lost to follow-up  
25   AP   HU   46,XX,add(6)(p25), t(9;22)(q34;q11) [20]   T3151   46.7   1/6   WT   CHR   E255K+M351T day +365/CHR   Allogeneic transplant day +512 for lack of MCR  
29   AP   HU, IFN   45X-Y,t(9;22) (q34;q11)   Y253H   40.2   1/6   WT   mCR (52% Ph+)   WT day +85/CHR; WT day +267/CHR   Hematologic relapse day +452; lost to follow-up  
36   AP   HU, IFN, 6-TG   47,XY,t(9;22) (q34;q11),+der(22) [23];46,XY,t(9;22) (q34;q11)[1]   T3151   46.6-47.9   2/6   K247R   CHR   K247R day +107/CHR   Hematologic relapse day +212; alive day +1011  
41   AP   none   46,XX,t(9;22) (q34;q11),−der(22), +idic der (22)[12]   T3151   43.7   1/6   WT   CCR   T3151 day +93/CCR; T3151 day +182/CCR   Alive in molecular remission day + 1009  
42   AP   IDA, ARA-C, IFN   48,XY,+8,t(9; 22)(q34;q11),+der (22)t(9;22)(q34; q11)[8]   T3151   44.1-45.7   2/6   WT   CCR   WT day+193/CCR   Alive in CCR day +661  
45   AP   HU, 6-TG   44,XX,t(9;22)(q34; q11),der(14q+), t(17;18)(p11;q12?), −18,−20[23]   Y253F   38.2   1/6   WT   NA   ND   Died day +9 from sepsis  
46   AP   HU, 6-TG   46,XX,t(9;22)[10]   T3151   37.92-41.68   2/6   WT   CHR   T3151 day +158/hematologic relapse   Hematologic relapse + 158; died day + 1350 from progressive disease  
48   BC   HU, IFN   47,XX,+8,t(9; 22)(q34;11) [16],46,XX,t(9; 22)[4]   T3151   45.6   1/6   WT   NR   T3151 day +19/continuous blast crisis   Allogeneic transplant day + 140 for progressive disease; died from TRM  
55   BC   HU   ND   F359V   39.4-44.8   5/6   F359V   NR   ND   Died day + 18 from progressive disease  
59   BC   IFN, HU, 6-TG, MEL   57,XY,+1,+4, +6,+8,t(9;22) (q34;q11),+10,+11, +16,+18,+19,+21, +der2 2[5]   Y253F   41.2   1/6   WT   NR   ND   Died day +35 from progressive disease  
62   BC   IFN, HU   45,XY,t(9;22)(q34; q11),del(10)(p13?), −13[26]   Y253H   36.2   1/6   WT   NR   WT day +92/continuous blast crisis   Died day +208 from progressive disease  
56
 
BC
 
IFN, ARA-C
 
46,XY,t(9;22) (q34;q11)[15]
 
ND
 
NA
 
NA
 
V2891
 
NR
 
ND
 
Died day + 105 from progressive disease
 

Patient no.

Disease phase

Therapy prior to imatinib

Karyotype

Mutation by ASO-PCR

Ct mut

Positive reactions, no./total

Sequencing

Best response

Follow-up sequencing/disease status

Last follow-up/disease status
7   AP   IFN   46,XY,t(9,22)[18]; 47,XY,t(9;22), +der(22)[6];47, XY,+8[1]   T3151   45.8   1/6   WT   CHR   WT day +42/PHR; WT day +107/PHR;WT day +785/CHR   Alive in CHR day +1591  
13   AP   HU   46,XY,t(9;22)[24]/47,XY,t(9;22), +der(22)[1]   Q252H   35.6-40.4   3/6   WT   MCR (20% Ph+)   Q252H day +176/MCR; Q252H+F359V day +325/MCR   Alive in MCR day +1087  
17   AP   IFN, HU   46,XY,t(9;22)(q34; q11)[25]   T3151   46.9   1/6   WT   PHR   WT day + 80/PHR; WT day+270/PHR; WT day +444/hematologic relapse   Hematologic relapse day + 531; lost to follow-up  
25   AP   HU   46,XX,add(6)(p25), t(9;22)(q34;q11) [20]   T3151   46.7   1/6   WT   CHR   E255K+M351T day +365/CHR   Allogeneic transplant day +512 for lack of MCR  
29   AP   HU, IFN   45X-Y,t(9;22) (q34;q11)   Y253H   40.2   1/6   WT   mCR (52% Ph+)   WT day +85/CHR; WT day +267/CHR   Hematologic relapse day +452; lost to follow-up  
36   AP   HU, IFN, 6-TG   47,XY,t(9;22) (q34;q11),+der(22) [23];46,XY,t(9;22) (q34;q11)[1]   T3151   46.6-47.9   2/6   K247R   CHR   K247R day +107/CHR   Hematologic relapse day +212; alive day +1011  
41   AP   none   46,XX,t(9;22) (q34;q11),−der(22), +idic der (22)[12]   T3151   43.7   1/6   WT   CCR   T3151 day +93/CCR; T3151 day +182/CCR   Alive in molecular remission day + 1009  
42   AP   IDA, ARA-C, IFN   48,XY,+8,t(9; 22)(q34;q11),+der (22)t(9;22)(q34; q11)[8]   T3151   44.1-45.7   2/6   WT   CCR   WT day+193/CCR   Alive in CCR day +661  
45   AP   HU, 6-TG   44,XX,t(9;22)(q34; q11),der(14q+), t(17;18)(p11;q12?), −18,−20[23]   Y253F   38.2   1/6   WT   NA   ND   Died day +9 from sepsis  
46   AP   HU, 6-TG   46,XX,t(9;22)[10]   T3151   37.92-41.68   2/6   WT   CHR   T3151 day +158/hematologic relapse   Hematologic relapse + 158; died day + 1350 from progressive disease  
48   BC   HU, IFN   47,XX,+8,t(9; 22)(q34;11) [16],46,XX,t(9; 22)[4]   T3151   45.6   1/6   WT   NR   T3151 day +19/continuous blast crisis   Allogeneic transplant day + 140 for progressive disease; died from TRM  
55   BC   HU   ND   F359V   39.4-44.8   5/6   F359V   NR   ND   Died day + 18 from progressive disease  
59   BC   IFN, HU, 6-TG, MEL   57,XY,+1,+4, +6,+8,t(9;22) (q34;q11),+10,+11, +16,+18,+19,+21, +der2 2[5]   Y253F   41.2   1/6   WT   NR   ND   Died day +35 from progressive disease  
62   BC   IFN, HU   45,XY,t(9;22)(q34; q11),del(10)(p13?), −13[26]   Y253H   36.2   1/6   WT   NR   WT day +92/continuous blast crisis   Died day +208 from progressive disease  
56
 
BC
 
IFN, ARA-C
 
46,XY,t(9;22) (q34;q11)[15]
 
ND
 
NA
 
NA
 
V2891
 
NR
 
ND
 
Died day + 105 from progressive disease
 

Note that K247R is a previously unreported polymorphism.

Ct mut indicates PCR cycle at which mutant signal was detected; AP, accelerated phase; IFN, interferon-α; WT, wild type; CHR, complete hematologic response; PHR, partial hematologic response; HU, hydroxyurea; MCR, major cytogenetic response; mCR, minor cytogenetic response; 6-TG, 6-thioguanine; CCR, complete cytogenetic response; IDA, idarubicin; ARA-C, cytarabine; NA, not applicable; ND, not done; BC, blast crisis; NR, no response; TRM, transplant-related mortality; MEL, melphalan.

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