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In two studies at ESMO, researchers demonstrated the ability of combined biomarker approaches to predict the efficacy of immune checkpoint inhibitors.
A consortium convened by Friends of Cancer Research has made progress in quantifying sources of TMB assay discordance and created a new test-alignment software tool.
The updated guidelines now also highlight the use of PCR and next-generation sequencing to determine microsatellite instability.
Along with significantly mutated genes across cutaneous melanoma cases, researchers saw loss-of-function mutations in the X chromosome gene DDX3X in tumors from male patients.
The accelerated approval is based on data showing that refractory cancer patients with TMB of at least 10 mutations/Mb saw tumor shrinkage and had durable responses on the immunotherapy.
In a retrospective study, investigators saw a survival benefit among head and neck cancer patients with high TMB treated with checkpoint inhibitors.
Investigators from the Friends of Cancer Research's tumor mutational burden harmonization project shared new data this week at AACR's virtual meeting.
A new analysis suggests hypermutation can occur in some chemotherapy-treated gliomas, producing heterogeneous, mutation-rich tumors with poor response to anti-PD-1 treatment.
With TMB as a CDx, the drug will be available to more patients as a salvage option, but doctors will still need to consider the complex biomarker amid evolving research.
The study suggests that pediatric low-grade gliomas driven by genetic rearrangements tend to be diagnosed earlier and have better outcomes than those driven by SNVs.
Howard Hughes Medical Institute will be requiring its researchers to publish their work so it is immediately accessible to the public, ScienceInsider writes.
The Huffington Post reports that Francis Collins, the director of the US National Institutes of Health, has urged Americans to recommit to reason.
About 150 million rapid coronavirus tests purchased by the US federal government are to be distributed to nursing homes, colleges, and the states, according to the New York Times.
In Nature this week: multi-omic analysis of Alzheimer's disease brain samples, de novo assembly of a diploid potato, and more.