Table 1

Main characteristics of BCR-ABL and JAK2V617F mutated patients

PatientSexAge, yJAK2V617F burden, %CML duration at sampling, monthsCML phase at samplingFeatures of Ph negative MPNAt CML diagnosis
Clinical features
KaryotypeTranscriptWBC, ×109/LHB, g/dLPLT, ×109/L
82 61 CP previous PV 46,XX,t(9;22)(q34;q11) b3a2 46 11.8 462 Previously diagnosed with PV, in treatment with HU at time of diagnosis of CML; she failed to achieve CCyR with imatinib and dasatinib as first and second line therapy 
58 75 CP none 46,XX,t(9;22)(q34;q11) b3a2 136,6 11.1 383 Patient initially treated with HU and then shifted to imatinib; she obtained CCyR, but at time of sampling for JAK2 assessment presented loss of MMR and a karyotype with trisomy of ch.8 
67 39 80 CP none n/a nd 29,9 11.6 355 Patient treated with imatinib as first line, shifted to dasatinib as second line due to loss of response. At time of sampling for JAK2 assessment presented loss of MMR 
52 15 140 CP Persistent thrombocytosis n/a b2a2 8,5 14.9 773 With imatinib therapy he obtained MMR, but thrombocytosis persists 
71 19 38 CP none n/a e8a3 n/a n/a n/a Patient initially treated with HU and then shifted to imatinib; he obtained CCyR and MMR 
52 25 35 CP none 46,XX,t(9;22)(q34;q11) b3a2 147,7 9.9 2250 Patient initially treated with HU and then shifted to imatinib; she obtained CCyR and MMR 
71 13 75 CP none 46,XX,t(9;22)(q34;q11) [15/15] b2a2 24,57 13.7 200 Patient treated with imatinib as first line, shifted to dasatinib as second line due to failing to achieve MMR. At time of sampling for JAK2 assessment she was in CCyR 
69 15 102 CP none 46,XX,t(9;22)(q34;q11) [10/10] b3a2 13,26 13.8 302 Patient treated with imatinib plus pegilated interferon, followed by imatibib alone. At time of sampling for JAK2 assessment was out of therapy, in MMR 
PatientSexAge, yJAK2V617F burden, %CML duration at sampling, monthsCML phase at samplingFeatures of Ph negative MPNAt CML diagnosis
Clinical features
KaryotypeTranscriptWBC, ×109/LHB, g/dLPLT, ×109/L
82 61 CP previous PV 46,XX,t(9;22)(q34;q11) b3a2 46 11.8 462 Previously diagnosed with PV, in treatment with HU at time of diagnosis of CML; she failed to achieve CCyR with imatinib and dasatinib as first and second line therapy 
58 75 CP none 46,XX,t(9;22)(q34;q11) b3a2 136,6 11.1 383 Patient initially treated with HU and then shifted to imatinib; she obtained CCyR, but at time of sampling for JAK2 assessment presented loss of MMR and a karyotype with trisomy of ch.8 
67 39 80 CP none n/a nd 29,9 11.6 355 Patient treated with imatinib as first line, shifted to dasatinib as second line due to loss of response. At time of sampling for JAK2 assessment presented loss of MMR 
52 15 140 CP Persistent thrombocytosis n/a b2a2 8,5 14.9 773 With imatinib therapy he obtained MMR, but thrombocytosis persists 
71 19 38 CP none n/a e8a3 n/a n/a n/a Patient initially treated with HU and then shifted to imatinib; he obtained CCyR and MMR 
52 25 35 CP none 46,XX,t(9;22)(q34;q11) b3a2 147,7 9.9 2250 Patient initially treated with HU and then shifted to imatinib; she obtained CCyR and MMR 
71 13 75 CP none 46,XX,t(9;22)(q34;q11) [15/15] b2a2 24,57 13.7 200 Patient treated with imatinib as first line, shifted to dasatinib as second line due to failing to achieve MMR. At time of sampling for JAK2 assessment she was in CCyR 
69 15 102 CP none 46,XX,t(9;22)(q34;q11) [10/10] b3a2 13,26 13.8 302 Patient treated with imatinib plus pegilated interferon, followed by imatibib alone. At time of sampling for JAK2 assessment was out of therapy, in MMR 

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