September 17, 2026 · Journal of general internal medicine · DOI: 10.1007/s11606-026-10794-9

Medication Adherence and Health Care Use After Medicaid Prescription Cap Removal Among People with HIV: a Difference-in-Differences Study

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The authors aimed to evaluate the impact of removing Medicaid prescription caps on medication use, antiretroviral therapy (ART) adherence, and health care utilization among adults with HIV in South Carolina. Their study found that the removal of the cap led to a significant increase in ART adherence and HIV-related prescription fills, particularly among individuals who previously had low prescription fills. However, the study did not observe consistent changes in overall health care utilization, suggesting that further strategies may be needed to enhance health outcomes.

Fangli Geng, Yutong Lu, Christopher M Santostefano, Xinran Lu, Yoojin Lee, Patience M Dow, Theresa I Shireman, Omar Galarraga

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