TOP - July 2020, Vol 13, No 4
Bispecific CAR T-Cells Show Promise in Children and Young Adults with Relapsed B-Cell Acute Lymphoblastic Leukemia
A bispecific chimeric antigen receptor (CAR) T-cell product directed against CD19 and CD22 antigens induced a complete response (CR) in 5 of 12 (42%) evaluable children and young adults with relapsed or refractory acute lymphoblastic leukemia (ALL).
Data from the TRACERx lung study suggest that circulating tumor DNA (ctDNA) may be a biomarker for the detection of postsurgical minimal residual disease (MRD) in patients with non–small-cell lung cancer (NSCLC), suggesting which patients are at increased risk for disease relapse and will require more aggressive adjuvant therapy.
The addition of the checkpoint inhibitor atezolizumab (Tecentriq) to the 2 targeted therapies—the BRAF inhibitor vemurafenib (Zelboraf) and the MEK inhibitor cobimetinib (Cotellic)—improved progression-free survival (PFS) and the duration of responses compared with the 2 targeted therapies plus placebo in patients with newly diagnosed advanced melanoma and BRAF V600E/K mutation, according to the phase 3 IMspire150 clinical trial.
Tumors with KRAS mutation are notoriously difficult to treat. Early data presented at the 2020 American Association for Cancer Research virtual annual meeting suggest 2 new routes for the treatment of cancers with KRAS mutation, including (1) the combination of a RAF/MEK inhibitor and an FAK inhibitor, and (2) the use of onvansertib, an investigational competitive inhibitor of the PLK1 enzyme, together with chemotherapy.
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