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High out-of-pocket costs may be barrier to filling naloxone prescriptions, study shows

naloxone
Credit: Unsplash/CC0 Public Domain

Patients are less likely to fill prescriptions for naloxone when they face increases in out-of-pocket costs, according to research by the University of Michigan.

Published

in the Journal of the American Medical Association, the study utilized data from a national pharmacy transactions database from November 2020 to March 2021. Researchers found that about one in three

for privately insured and Medicare patients were not filled.

Naloxone, an that can reverse overdose, is a critical tool in preventing overdose deaths. Nationally, opioid overdoses account for more than 78,000 deaths annually, according to provisional data from the U.S. Centers for Disease Control and Prevention. In Michigan, that number totaled more than 2,200 in 2023.

The rate of nonfilled prescriptions across the country jumped abruptly on Jan. 1, 2021—the date on which deductibles reset in many private and Medicare plans—as did the amount patients had to pay to fill prescriptions. The researchers estimate that a $10 increase in out-of-pocket cost would decrease the rate of filling prescriptions by about 2–3 percentage points.

"Minimizing barriers to accessing naloxone is a crucial step toward slowing the U.S. opioid epidemic. Our study suggests that minimizing the out-of-pocket cost of naloxone prescriptions could help achieve this goal," said study lead author Kao-Ping Chua, assistant professor at the U-M Medical School and School of Public Health.

Chua and colleagues note that barriers to naloxone dispensing other than cost also play a key role in addressing this issue, such as stigma about the medication. For example, the study also found that 7–8.5% of naloxone prescriptions were not filled even when they were free to patients.

A Michigan-specific strategy seeking to mitigate barriers to naloxone access and use was announced late last year, when the state issued an updated statewide standing order.

As written in the order, community-based organizations are now able to host or provide naloxone distribution sites without the previously required oversight of a pharmacy. These "naloxone vending machines" provide the lifesaving medication for free and increase access for those in need without a prescription.

More information: Kao-Ping Chua et al, Association Between Cost Sharing and Naloxone Prescription Dispensing, JAMA (2024). DOI: 10.1001/jama.2024.8378

Citation: High out-of-pocket costs may be barrier to filling naloxone prescriptions, study shows (2024, June 14) retrieved 16 July 2024 from https://medicalxpress.com/news/2024-06-high-pocket-barrier-naloxone-prescriptions.html
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