Evolution of the Dynamic Symptoms Model

This article will describe the evolution of the Ideal Symptoms Model, herein called the Dynamic Symptoms Model, and its use to model cancer-related symptoms since its initial publication in 2010. Discussion led to changes within the model to better describe the symptoms experience, its antecedents and consequences, and how interventions affect symptoms. Clinicians and symptom scientists can use the Dynamic Symptoms Model to visualize symptom influences and relationships with other variables over time and to formulate research questions and analytic plans.