Association Between Cost-Saving Prescription Policy Changes and Adherence to Chronic Disease Medications: an Observational Study.

ABSTRACT:

Background

Pharmacy benefit design is one tool for improving access and adherence to medications for the management of chronic disease.

Objective

We assessed the effects of pharmacy benefit design programs, including a change in pharmacy benefit manager (PBM), institution of a prescription out-of-pocket maximum, and a mandated switch to 90 days' medication supply, on adherence to chronic disease medications over time.

Design

We used a difference-in-differences design to assess changes in adherence to chronic disease medications after the transition to new prescription policies.

Subjects

We utilized claims data from adults aged 18-64, on ≥ 1 medication for chronic disease, whose insurer instituted the prescription policies (intervention group) and a propensity s

SUBMITTER: Haff N 

PROVIDER: S-EPMC8858373 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature