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Medicare Part D Savings Under the Manufacturer Discount Program vs Coverage Gap Discounts

JAMA Network Open 10.1001/jamanetworkopen.2025.30778

September 08, 2025 at 11:00 AM EDT

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This cross-sectional study estimates spending changes for the Medicare Part D program after the Manufacturer Discount Program replaces the Coverage Gap Discount program.

Corresponding Author: Benjamin N. Rome, MD, MPH, Division of Pharmacology and Pharmacoeconomics, Brigham and Women’s Hospital, 1620 Tremont St, Ste 3030, Boston, MA 02120 (brome@bwh.harvard.edu).

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