Many nurse practitioners cannot provide medications to treat opioid addiction
At least six states with high opioid abuse rates also have strong work restrictions that hinder nurse practitioners (NPs) in prescribing medication that can help treat the problem, according to a study by researchers at UC San Francisco.
These states, and others with restrictive scopes of practice for NPs, should reform their regulations to take full advantage of the health care workforce in addressing the opioid crisis and meeting primary care needs, the researchers said. Their study appears April 9, 2019, in JAMA.
“An important part of addressing the opioid crisis is helping people access treatment when they need it, and medication combined with therapy is the most effective approach,” said corresponding author Joanne Spetz, Ph.D., associate director for research at Healthforce Center and professor at the Philip R. Lee Institute for Health Policy Studies, part of the Department of Family and Community Medicine, and School of Nursing at UCSF. “NPs in states requiring that they practice under physician supervision or collaboration are much less likely to get waivers to prescribe these medications, and many of these same states have the highest rates of opioid overdose and addiction.”
A shortage exists in clinicians authorized to prescribe medications for treating opioid abuse. Drugs like methadone are only available in licensed narcotics treatment programs. But in the early 2000s through the Drug Addiction Treatment Act (DATA), physicians were granted waivers to prescribe buprenorphine, which safely and effectively reduces opiate withdrawal symptoms and cravings, in office settings. A 2016 update to the law gave NPs and physician assistants (PAs) the same authority.
If an NP or PA practices in a state requiring physician collaboration or supervision, the U.S. Drug Enforcement Agency has specific requirements regarding supervisor/collaborator qualifications. These requirements, along with the possibility a supervising physician simply may not want an NP or PA to be involved in opioid treatment, may reduce their ability to get buprenorphine waivers.
In the JAMA study, Spetz and her colleagues obtained state-level data from the Substance Abuse and Mental Health Services Administration on the number of DATA waivers for physicians, NPs and PAs as of September 2018. The percentage of physicians and NPs with waivers per state was determined by dividing by the total numbers of licensed physicians and NPs as reported in the 2016 Area Health Resource File, and the percentage for PAs determined by the 2016 National Commission on Certification of Physician Assistants.
In their analysis, the researchers classified a scope of practice as less restrictive if NPs could prescribe medications without physician oversight, and whether state PA regulations included at least five of the six essential elements of practice recommended by the American Association of Physician Assistants, which primarily advise it be defined at the practice level rather than be restricted at the state level.
Overall, there were 44,916 physicians (5.57 percent of all physicians), 7,280 NPs (3.17 percent) and 1,913 PAs (1.66 percent) with buprenorphine waivers. Greater practice restrictions were associated with a lower percentage of NPs, but not PAs, receiving waivers: in more restrictive states, 75 percent fewer NPs received waivers than those NPs working in less restrictive states.
Less restrictive regulations were found in 27 states for NPs and 23 states for PAs. The average percentage of NPs with waivers was 5.58 percent in less restrictive states and 2.44 percent in more restrictive states. When adjusting for various factors, the rate of NPs with waivers was 4.73 percent in less restrictive states and 2.7 percent in more restrictive states. The PA scope of practice was not significantly affected.
States with high opioid abuse rates in which NPs can prescribe without physician supervision/collaboration and in which the researchers found high shares of waivers (at least 6.5 percent) included New Hampshire, Maryland, Connecticut, Maine, Utah, New Mexico, Rhode Island and Vermont, while states with low shares (less than 5 percent) included Kentucky, West Virginia and Delaware. States with high opioid abuse rates in which NPs must have physician supervision/collaboration to prescribe and had high shares of waivers (3.9 to 5.8 percent) included Ohio, Massachusetts, New York and New Jersey, while states with low shares (1 to 3.7 percent) included Missouri, Michigan, Illinois, Wisconsin, Pennsylvania and North Carolina.
Other states with restrictive scopes of practice for NPs include California, Florida, Oklahoma, Alabama, Arkansas, Kansas, Mississippi, Texas, Indiana, South Carolina, Louisiana and Virginia. Legislation has been introduced in California to eliminate the physician collaboration requirement, as recommended by the California Future Health Workforce Commission.
The differences in NP and PA scope-of-practice restrictions—such as regulations in all states requiring PAs, unlike NPs, to collaborate with a physician—may explain the impact on NPs, Spetz said. To learn about other barriers and strategies clinicians are using to overcome this discrepancy, the researchers will make site visits through January 2020 to four states with high opioid mortality rates—West Virginia, Ohio, Michigan and New Mexico.
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