The ipsogen BCR-ABL1 mbcr Kit is an in vitro molecular diagnostic kit for real-time PCR on the Rotor-Gene Q and other real-time PCR instruments. The kit provides reagents optimized for reliable and sensitive detection and quantification of BCR-ABL mbcr p190 e1a2 transcripts in bone marrow or peripheral blood samples of Ph-positive acute lymphoblastic leukemia (ALL) patients previously diagnosed with a BCR-ABL mbcr fusion gene event. The test is intended to monitor efficacy of treatment in patients undergoing therapy and for minimal residual disease (MRD) follow-up to monitor disease relapse.