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Anti-cancer treatment schedule optimization based on tumor dynamics modelling incorporating evolving resistance
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Anti-cancer treatment schedule optimization based on tumor dynamics modelling incorporating evolving resistance
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Journal Article
Anti-cancer treatment schedule optimization based on tumor dynamics modelling incorporating evolving resistance
2022
Overview
Quantitative characterization of evolving tumor resistance under targeted treatment could help identify novel treatment schedules, which may improve the outcome of anti-cancer treatment. In this study, a mathematical model which considers various clonal populations and evolving treatment resistance was developed. With parameter values fitted to the data or informed by literature data, the model could capture previously reported tumor burden dynamics and mutant
KRAS
levels in circulating tumor DNA (ctDNA) of patients with metastatic colorectal cancer treated with panitumumab. Treatment schedules, including a continuous schedule, intermittent schedules incorporating treatment holidays, and adaptive schedules guided by ctDNA measurements were evaluated using simulations. Compared with the continuous regimen, the simulated intermittent regimen which consisted of 8-week treatment and 4-week suspension prolonged median progression-free survival (PFS) of the simulated population from 36 to 44 weeks. The median time period in which the tumor size stayed below the baseline level (T
TS
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
