Masayuki Umeda, MD, on Pediatric AML: Identifying a Key Subtype-Defining Lesion
2021 ASH Annual Meeting & Exposition
Masayuki Umeda, MD, of St. Jude Children's Research Hospital, discusses his research which showed that UBTF-TD (upstream binding transcription factor-tandem duplications) define a unique subtype of acute myeloid leukemia that previously lacked a clear oncogenic driver. UBTF-TD is associated with FLT3-ITD and WT1 mutations, adolescent age, and poor outcomes. These alterations are critical for future risk-stratification for this patient cohort.
The ASCO Post Staff
Sangeetha Venugopal, MD, of The University of Texas MD Anderson Cancer Center, discusses a retrospective analysis of 562 patients with treated secondary acute myeloid leukemia and prior exposure to hypomethylating agents (HMAs). The results showed that an HMA plus venetoclax yielded significantly higher overall response rates and improved overall survival compared with intensive chemotherapy or low-intensity chemotherapy, particularly in patients 60 years or older who had a karyotype without adverse risk (Abstract 794).
The ASCO Post Staff
Tarek H. Mouhieddine, MD, of The Mount Sinai Hospital and The Icahn School of Medicine at Mount Sinai, discusses data that suggest patients with heavily pretreated, predominantly triple-class refractory multiple myeloma who relapse after treatment with bispecific antibodies may still have good outcomes when sequentially treating with other immunologic treatments (Abstract 821).
The ASCO Post Staff
Roni Shouval, MD, PhD, of Memorial Sloan Kettering Cancer Center, discusses his findings, which show, for the first time, that TP53 alterations are a valuable prognostic and potentially predictive marker in patients with large B-cell lymphoma who receive CD19–CAR T-cell therapy. Gene-expression profiling suggests that TP53 alterations result in an immunosuppressive tumor microenvironment and impaired apoptosis signaling, which could lead to decreased CAR T-cell therapy efficacy (Abstract 710).
The ASCO Post Staff
Carsten Utoft Niemann, MD, PhD, of Copenhagen University Hospital, discusses a primary analysis of the phase II Vision HO141 trial, which showed the feasibility of stopping and restarting ibrutinib and venetoclax in patients with relapsed or refractory chronic lymphocytic leukemia who have undetectable measurable residual disease. A favorable benefit-risk profile was demonstrated, with no new safety signals (Abstract 69).
The ASCO Post Staff
Alba Rodriguez-Meira, DPhil, of the University of Oxford, discusses a comprehensive analysis of the genetic, cellular, and molecular landscape of TP53-mediated transformation, providing insights into the evolution of chronic hematologic malignancies toward an aggressive acute leukemia. Because TP53 is the most commonly mutated gene in human cancer, these findings may well be of broad relevance (Abstract 3).
