Drug Prices After Patent Expirations in High-Income Countries and Implications for Cost-Effectiveness Analyses.

ABSTRACT:

Importance

Understanding how patent expirations affect drug prices is crucial because price changes directly inform accurate cost-effectiveness assessments. This study investigates the association between patent expirations and drug prices in 8 high-income countries and evaluates how the changes affect cost-effectiveness assessments.

Objective

To analyze how the expiration of drug patents is associated with drug price changes and to assess the implications of these price changes for cost-effectiveness evaluations.

Design, setting, and participants

This cohort study performed an event study design using data from 8 high-income countries to assess the association between patent expiration and drug prices, and created a simulation model to understand the implications for

SUBMITTER: Serra-Burriel M 

PROVIDER: S-EPMC11329876 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature