Topic: Time-Varying Covariates and Dosing History

Worked Comparison of Dosing-History Encodings

Separating Within- and Between-Subject Covariate Effects

Reconstructing Analysis Timelines from Dosing and Covariate Records

Representing Covariate and Dose Histories as Time-Indexed Processes

Prescribed Dose, Administered Dose, and Adherence Histories

Measurement Error and Missingness in Covariate Histories

Modeling Dose Interruptions, Holidays, and Reinitiation

Lagged Covariates and Distributed-Lag Effects

Linking Time-Varying Covariates to PK/PD Parameters

Integrating Covariate-Driven Parameters in Nonlinear Mixed-Effects Models