ArticleJCO clinical cancer informatics2025
Development of a Machine Learning Model for Aspyre Lung Blood: A New Assay for Rapid Detection of Actionable Variants From Plasma in Patients With Non-Small Cell Lung Cancer.
Article in JCO clinical cancer informatics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Successful simplified genomic profiling of cytology specimens using Aspyre Clinical Test for Lung (Tissue).Cancer cytopathology · 2026Article
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Authors and funding
26 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeAspyre Lung is a targeted biomarker panel of 114 genomic variants across 11 guideline-recommended genes with simultaneous DNA and RNA for non-small cell lung cancer (NSCLC). In this study, we developed a machine learning algorithm to interpret fluorescence data outputs from Aspyre Lung, enabling the assay to be applied to both plasma and tissue samples. MATERIALS AND
methodsData for model training and testing were generated from over 13,500 DNA and RNA contrived samples, with variants spiked in at a variant allele frequency (VAF) of 0.1%-82% for DNA and 6-5,000 copies for RNA. The training and testing data sets used 67 reagent batches and 23 operators using nine quantitative polymerase chain reaction machines at two sites. Variant calling machine learning models were assessed in terms of median assay-wide 95% limit of detection (LoD95), observed sensitivity, false-positive rate per sample, per-variant LoD95, and per-variant observed sensitivity. The model was optimized by varying the training data subsets, features used, and model hyperparameters. Models were assessed against target specifications.
resultsVerification with reference samples established experimental performance characteristics: a LoD95 of 0.19% VAF for SNV/indels, one amplifiable copy for gene fusions, 69 copies for
conclusionImplementation of the model for liquid biopsy sample analysis enables running of these samples alongside tissue in a single workflow with high sensitivity, specificity, and accuracy. These results demonstrate that the Aspyre Lung assay, powered by a robust machine learning algorithm, offers a reliable and scalable solution for molecular testing in NSCLC, enabling a diverse range of laboratories to confidently perform high-sensitivity, high-specificity testing on both tissue and liquid biopsy samples.
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