Matched bone marrow samples: development of mutations in the region coding for the ATP binding site of ABL during treatment of Ph+ ALL with STI571
| Patient no. . | Diagnosis . | BCR-ABL mutational status prior to treatment with STI571 . | Response to STI571 . | BCR-ABL mutational status after treatment with STI571 . |
|---|---|---|---|---|
| 1 | Ph+cALL | Wild-type | PR | Glu255Lys |
| 2 | Ph+ cALL | Wild-type | CR | Glu255Lys |
| 3 | Ph+ cALL | Wild-type | CR | Wild type |
| 4 | Ph+ cALL | Wild-type | CR | Glu255Lys |
| 5 | Ph+ cALL | Wild-type | CR | Glu255Lys |
| 14 | Ph+ cALL | Wild-type | No | Wild type |
| 15 | Ph+ cALL | Wild-type | No | Glu255Lys |
| 16 | Ph+ pre B-ALL | Wild-type | PR | Glu255Lys |
| 17 | Ph+, cALL, CD33+ | Wild-type | No | Thr315Ile |
| Patient no. . | Diagnosis . | BCR-ABL mutational status prior to treatment with STI571 . | Response to STI571 . | BCR-ABL mutational status after treatment with STI571 . |
|---|---|---|---|---|
| 1 | Ph+cALL | Wild-type | PR | Glu255Lys |
| 2 | Ph+ cALL | Wild-type | CR | Glu255Lys |
| 3 | Ph+ cALL | Wild-type | CR | Wild type |
| 4 | Ph+ cALL | Wild-type | CR | Glu255Lys |
| 5 | Ph+ cALL | Wild-type | CR | Glu255Lys |
| 14 | Ph+ cALL | Wild-type | No | Wild type |
| 15 | Ph+ cALL | Wild-type | No | Glu255Lys |
| 16 | Ph+ pre B-ALL | Wild-type | PR | Glu255Lys |
| 17 | Ph+, cALL, CD33+ | Wild-type | No | Thr315Ile |
Ph+ cALL indicates Philadelphia chromosome–positive common ALL (CD10+); PR, partial remission; CR, complete remission.