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Original Article
- Prediction of Acquired Taxane Resistance Using a Personalized Pathway-Based Machine Learning Method
- Young Rae Kim, Dongha Kim, Sung Young Kim
- Cancer Res Treat. 2019;51(2):672-684. Published online August 10, 2018
- DOI: https://doi.org/10.4143/crt.2018.137
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Abstract
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Supplementary Material
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ePub - Purpose
This study was conducted to develop and validate an individualized prediction model for automated detection of acquired taxane resistance (ATR).
Materials and Methods
Penalized regression, combinedwith an individualized pathway score algorithm,was applied to construct a predictive model using publically available genomic cohorts of ATR and intrinsic taxane resistance (ITR). To develop a model with enhanced generalizability, we merged multiple ATR studies then updated the learning parameter via robust cross-study validation.
Results
For internal cross-study validation, the ATR model produced a perfect performance with an overall area under the receiver operating curve (AUROC) of 1.000 with an area under the precision-recall curve (AUPRC) of 1.000, a Brier score of 0.007, a sensitivity and a specificity of 100%. The model showed an excellent performance on two independent blind ATR cohorts (overall AUROC of 0.940, AUPRC of 0.940, a Brier score of 0.127). When we applied our algorithm to two large-scale pharmacogenomic resources for ITR, the Cancer Genome Project (CGP) and the Cancer Cell Line Encyclopedia (CCLE), an overall ITR cross-study AUROC was 0.70, which is a far better accuracy than an almost random level reported by previous studies. Furthermore, this model had a high transferability on blind ATR cohorts with an AUROC of 0.69, suggesting that general predictive features may be at work across both ITR and ATR.
Conclusion
We successfully constructed a multi-study–derived personalized prediction model for ATR with excellent accuracy, generalizability, and transferability. -
Citations
Citations to this article as recorded by
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