Evidence map›Paper›PMID 42378410›Full record

ArticleDiabetes care2026

State Insulin Out-of-Pocket Cap Policies and Estimated Eligible Populations in the United States, 2019-2026.

Renhao Wang, Umailla Naeem, Alexander O Everhart, Pinar Karaca Mandic, Stacie B Dusetzina, Kasia J Lipska, Rozalina G McCoy

Abstract read
In one paragraph

Article in Diabetes care, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Renhao WangUniversity of Maryland Institute for Health Computing, North Bethesda, MD.ORCID 0000-0002-4979-5321
Umailla NaeemUniversity of Maryland School of Medicine, Baltimore, MD.
Alexander O EverhartWashington University School of Medicine in St. Louis, St. Louis, MO.
Pinar Karaca MandicDepartment of Finance, Carlson School of Management, University of Minnesota, Minneapolis, MN.
Stacie B DusetzinaDepartment of Health Policy, Vanderbilt University Medical Center, Nashville, TN.
Kasia J LipskaDepartment of Internal Medicine, Section of Endocrinology, Yale School of Medicine, New Haven, CT.ORCID 0000-0002-0348-742X
Rozalina G McCoyUniversity of Maryland Institute for Health Computing, North Bethesda, MD.ORCID 0000-0002-2289-3183

Funding

"Insulin Affordability: Unpacking the Impact of the Inflation Reduction Act on Diabetes Outcomes in Medicare."R01DK141666 · NIDDK · YALE UNIVERSITY · PI Kasia Joanna Lipska, Rozalina Grubina McCoy · 2025 to 2026
$1.5M
American Diabetes Association 1-26-PDF-0552NIDDK NIH HHS R01 DK141666NIDDK NIH HHS R01DK141666
6 · The paper itself

Abstract

objectiveHigh insulin prices are a major barrier to diabetes management in the U.S. Since 2019, several states have implemented legislation to mitigate high out-of-pocket (OOP) costs for commercially insured individuals by setting caps on monthly OOP payments for insulin. In this study, we examine the reach of these policies. RESEARCH DESIGN AND

methodsWe identified insulin OOP cap legislation enacted through 2026 for each state and Washington, DC. Using public data on diabetes prevalence and health insurance coverage, we identified the population eligible and exposed to OOP caps legislation: adults aged 18-64 years with diabetes, using insulin, enrolled in state-regulated commercial plans, and residing in states that enacted OOP caps legislation. We then estimated the number of commercially insured individuals using insulin still left unprotected due to 1) enrolled in federally regulated plans, regardless of state of residence; or 2) enrolled in state-regulated plans but living in states without OOP cap legislation.

resultsBy 2026, 29 states and Washington, DC, had enacted OOP caps on insulin, covering an estimated 0.99 million individuals with diabetes, using insulin, and enrolled in state-regulated commercial plans. Despite these gains, policy reach remains uneven: 0.67 million adults with diabetes using insulin and insured by state-regulated plans live in states without an insulin OOP cap, and 2.2 million more are insured by federally regulated commercial plans that fall outside of state jurisdiction.

conclusionsState OOP caps have the potential to reduce OOP insulin costs for many commercial plan enrollees but have limited reach. Legislative efforts to contain costs at the federal level are therefore needed to decrease the financial burden of insulin therapy.

Identifiers

PMID42378410
PMCPMC13626181

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.