Health Affairs March 1, 2024
Abstract
Drug utilization management tools can be employed to ensure that medicines are prescribed cost-effectively, but they can also be implemented in ways that reduce adherence and harm patient health. We examined trends in the prevalence of utilization restrictions on non-protected-class compounds in Medicare Part D plans during the period 2011–20, including prior authorization and step therapy requirements as well as formulary exclusions. Part D plans became significantly...