System Dynamics Simulation for evaluating implementation strategies of genomic sequencing: tutorial and conceptual Model

Hadi A Khorshidi, Deborah Marshall, Ilias Goranitis, Brock Schroeder, Maarten IJzerman*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


INTRODUCTION: Precision Medicine (PM), especially in oncology, involve diagnostic and complex treatment pathways that are based on genomic features. To conduct evaluation and decision analysis for PM, advanced modeling techniques are needed due to its complexity. Although System Dynamics (SD) has strong modeling power, it has not been widely used in PM and individualized treatment.

AREAS COVERED: We explained SD tools using examples in cancer context and the rationale behind using SD for genomic testing and personalized oncology. We compared SD with other Dynamic Simulation Modelling (DSM) methods and listed SD's advantages. We developed a conceptual model using Causal Loop Diagram (CLD) for strategic decision-making in Whole Genome Sequencing (WGS) implementation.

EXPERT OPINION: The paper demonstrates that SD is well-suited for health policy evaluation challenges and has useful tools for modeling precision oncology and genomic testing. SD's system-oriented modeling captures dynamic and complex interactions within systems using feedback loops. SD models are simple to implement, utilize less data and computational resources, and conduct both exploratory and explanatory analyses over time. If the targeted system has complex interactions and many components, deals with lack of data, and requires interpretability and clinicians' input, SD offers attractive advantages for modeling and evaluating scenarios.

Original languageEnglish
Pages (from-to)37-47
Number of pages11
JournalExpert Review of Pharmacoeconomics and Outcomes Research
Issue number1
Early online date18 Jan 2024
Publication statusPublished - 2024

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