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- W4207056197 abstract "We propose an adaptive design for early-phase drug-combination cancer trials with the goal of estimating the maximum tolerated dose (MTD). A nonparametric Bayesian model, using beta priors truncated to the set of partially ordered dose combinations, is used to describe the probability of dose limiting toxicity (DLT). Dose allocation between successive cohorts of patients is estimated using a modified continual reassessment scheme. The updated probabilities of DLT are calculated with a Gibbs sampler that employs a weighting mechanism to calibrate the influence of data vs the prior. At the end of the trial, we recommend one or more dose combinations as the MTD based on our proposed algorithm. We apply our method to a Phase I clinical trial of CB-839 and Gemcitabine that motivated this nonparametric design. The design operating characteristics indicate that our method is comparable with existing methods." @default.
- W4207056197 created "2022-01-26" @default.
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- W4207056197 date "2022-01-25" @default.
- W4207056197 modified "2023-10-17" @default.
- W4207056197 title "A nonparametric Bayesian method for dose finding in drug combinations cancer trials" @default.
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- W4207056197 doi "https://doi.org/10.1002/sim.9316" @default.
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