Major molecular response Minimal or No Molecular response
It indicates nonquantifiable and nondetectable bcr-abl gene transcript (BCR-ABL/ABL) ≤ 0.103
3 log reduction of BCR-ABL/ABL
It indicates quantifiable and detectable bcr-abl gene transcript (BCR-ABL/ABL) ≥ 0.103
No 3 log reduction of BCR-ABL/ABL
Table 2: Molecular response (imatinib mesylate).