Roni Shouval, MD, PhD, on TP53-Mutant Large B-Cell Lymphoma and CAR T-Cell Therapy
2021 ASH Annual Meeting & Exposition
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).
Daniel A. Ermann, MD, of the Huntsman Cancer Institute, University of Utah, discusses results from the largest retrospective study on outcomes utilizing radiotherapy in early-stage diffuse large B-cell lymphoma. Adding radiation to front-line multiagent chemotherapy was associated with a survival benefit for all patients with early-stage disease. An overall survival benefit was seen with the addition of radiation to front-line multiagent chemotherapy for patients with nodal involvement and those with specific extranodal involvement in the testes, thyroid, skin and soft tissue, and head and neck (Abstract 49).
Joe Schroers-Martin, MD, of Stanford University, discusses his latest study findings, which show that follicular lymphoma driver mutations are detectable in blood and saliva years prior to a clinical diagnosis. These data build on previous work and suggest that researchers may be able to stratify people at elevated risk of clinical malignancy (Abstract 709).
Romanos Sklavenitis-Pistofidis, MD, of Dana-Farber Cancer Institute, discusses study findings on a next generation of clinical assays to assess both tumor biology and immune state, as well as common clinical biomarkers in the marrow or blood. These biomarkers may accurately predict which patients with smoldering multiple myeloma might benefit from early treatment, monitor response to immunotherapy, and improve patient outcomes (Abstract 330).
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.
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).