Association of California's Prescription Drug Coupon Ban With Generic Drug Use

JAMA. 2021 Jun 15;325(23):2399-2402. doi: 10.1001/jama.2021.6568.

Abstract

This pharmacoepidemiology study uses insurance claims data to compare generic substitutions for drugs with vs without manufacturer copayment coupons in California vs surrounding states in the year before and after a January 2018 California ban on coupons intended to incentivize use of more expensive brand-name medication.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • California
  • Consumer Behavior
  • Cost Sharing
  • Drug Utilization / statistics & numerical data*
  • Drugs, Generic*
  • Humans
  • Insurance Claim Review
  • Legislation, Drug*
  • Prescription Drugs / economics*

Substances

  • Drugs, Generic
  • Prescription Drugs