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Pragmatic trials increasingly define outcomes using real-world data such as electronic health records, where assessments are collected during routine care rather than at fixed timepoints. Consequently, these uncontrolled assessments may be…

In Offline Model Learning for Planning and in Offline Reinforcement Learning, the limited data set hinders the estimate of the Value function of the relative Markov Decision Process (MDP). Consequently, the performance of the obtained…

机器学习 · 计算机科学 2026-05-26 Giorgio Angelotti , Nicolas Drougard , Caroline Ponzoni Carvalho Chanel

Recent exploration of optimal individualized decision rules (IDRs) for patients in precision medicine has attracted a lot of attention due to the heterogeneous responses of patients to different treatments. In the existing literature of…

最优化与控制 · 数学 2019-08-29 Zhengling Qi , Ying Cui , Yufeng Liu , Jong-Shi Pang

Model-informed precision dosing (MIPD) is a quantitative dosing framework that combines prior knowledge on the drug-disease-patient system with patient data from therapeutic drug/ biomarker monitoring (TDM) to support individualized dosing…

最优化与控制 · 数学 2021-06-08 Corinna Maier , Jana de Wiljes , Niklas Hartung , Charlotte Kloft , Wilhelm Huisinga

The coordinated and efficient distribution of limited resources by individual decisions is a fundamental, unsolved problem. When individuals compete for road capacities, time, space, money, goods, etc., they normally make decisions based on…

统计力学 · 物理学 2009-11-07 Dirk Helbing , Martin Schoenhof , Daniel Kern

Precision medicine is an emerging scientific topic for disease treatment and prevention that takes into account individual patient characteristics. It is an important direction for clinical research, and many statistical methods have been…

统计方法学 · 统计学 2017-02-17 Jingxiang Chen , Haoda Fu , Xuanyao He , Michael R. Kosorok , Yufeng Liu

Treatment with high energy ionizing radiation is one of the main methods in modern cancer therapy that is in clinical use. During the last decades, two main approaches to dose calculation were used, Monte Carlo simulations and…

医学物理 · 物理学 2015-05-14 Roland Duclous , Bruno Dubroca , Martin Frank

Stochastic policies (also known as relaxed controls) are widely used in continuous-time reinforcement learning algorithms. However, executing a stochastic policy and evaluating its performance in a continuous-time environment remain open…

机器学习 · 计算机科学 2025-10-03 Yanwei Jia , Du Ouyang , Yufei Zhang

Radiation therapy is one of the most common cancer treatments, and dose optimization and targeting of radiation are crucial since both cancerous and healthy cells are affected. Different mathematical and computational approaches have been…

生物物理 · 物理学 2025-11-07 Mirko Bagnarol , Gianluca Lattanzi , Jan Åström , Mikko Karttunen

In this paper we focus on comparative diagnostic trials which are frequently employed to compare two markers with continuous or ordinal results. We derive explicit expressions for the optimal sampling ratio based on a common variance…

应用统计 · 统计学 2012-06-19 Ting Dong , Liansheng Larry Tang , William F. Rosenberger

We consider a modified Ci3+3 (MCi3+3) design for dual-agent dose-finding trials in which both agents are tested on multiple doses. This usually happens when the agents are novel therapies. The MCi3+3 design offers a two-stage or three-stage…

应用统计 · 统计学 2024-09-05 Jiaxin Liu , Shijie Yuan , Qiqi Deng , Yuan Ji

Multi-arm trials are gaining interest in practice given the statistical and logistical advantages they can offer. The standard approach uses a fixed allocation ratio, but there is a call for making it adaptive and skewing the allocation of…

统计方法学 · 统计学 2026-01-16 Gianmarco Caruso , Pavel Mozgunov

Conventionally, a first-in-human phase I trial in healthy volunteers aims to confirm the safety of a drug in humans. In such situations, volunteers should not suffer from any safety issues and simple algorithm-based dose-escalation schemes…

Inhibiting a signalling pathway concerns controlling the cellular processes of a cancer cell's viability, cell division, and death. Assay protocols created to see if the molecular structures of the drugs being tested have the desired…

Radiotherapy treatment planning often relies on time-consuming, trial-and-error adjustments that heavily depend on the expertise of specialists, while existing deep learning methods face limitations in generalization, prediction accuracy,…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Hui Xie , Haiqin Hu , Lijuan Ding , Qing Li , Yue Sun , Tao Tan

The frequent actuation of discrete control devices dcds, e.g., on-load tap changers, drastically reduces their lifetime. This, in turn, imposes a huge replacement cost. Simultaneous scheduling of these \textsc{dcd}s and continuous control…

系统与控制 · 电气工程与系统科学 2020-01-14 Alireza Nouri , Alireza Soroudi , Andrew Keane

Phase I dose-finding studies aim at identifying the maximal tolerated dose (MTD). It is not uncommon that several dose-finding studies are conducted, although often with some variation in the administration mode or dose panel. For instance,…

定量方法 · 定量生物学 2021-03-24 Moreno Ursino , Christian Röver , Sarah Zohar , Tim Friede

Scientists are attempting to use models of ever increasing complexity, especially in medicine, where gene-based diseases such as cancer require better modeling of cell regulation. Complex models suffer from uncertainty and experiments are…

分子网络 · 定量生物学 2018-06-01 Mahdi Imani , Roozbeh Dehghannasiri , Ulisses M. Braga-Neto , Edward R. Dougherty

Modern clinical trials and cohort studies gather low-cost data on all participants but may have limited resources to assess expensive exposures such as biomarkers or genomic data. When interest lies in associations involving expensive…

统计方法学 · 统计学 2026-05-27 Yunbi Nam , Nathan I. Shapiro , Eric P. Schmidt , Wesley H. Self , Ran Tao , Jonathan S. Schildcrout

The use of simulation-based sensitivity analyses is fundamental to evaluate and compare candidate designs for future clinical trials. In this context, sensitivity analyses are especially useful to assess the dependence of important design…

统计方法学 · 统计学 2022-08-09 Larry Han , Andrea Arfe , Lorenzo Trippa