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Insurance company requirements place heavy administrative burden on physicians seeking to prescribe new cholesterol-lowering drugs

January 16, 2018

PHILADELPHIA -- A rare glimpse into the prior authorization requirements implemented by public and private insurance providers across the country has found substantial administrative burden for a new class of medications for patients with high cholesterol that places them at high risk for heart attack or stroke, according to new research from the Perelman School of Medicine at the University of Pennsylvania. So-called proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors are self-injected medications approved for individuals with a genetic condition called familial hypercholesterolemia (FH) and those with atherosclerotic cardiovascular disease (ASCVD) who have high cholesterol despite receiving traditional statin medications and other treatments. Results of the study are published today in Circulation: Cardiovascular Quality and Outcomes.

"As innovative yet often expensive new drugs come on the market to treat serious and/or chronic medical conditions, insurers have turned to policies aimed at ensuring appropriate use in order to manage costs," said the study's lead author Jalpa A. Doshi, PhD, a professor of General Internal Medicine. "Prior authorization - which requires a prescriber to demonstrate that a prescription is medically necessary for the patient before it is approved by the insurer - has been used for many years and is a fairly common strategy, but we found that the burden of the requirements for PCSK9 inhibitors were so high that they raise real concerns about access barriers."

The researchers analyzed data from a proprietary database containing information on prior authorization policies covering more than 275 million Americans, or more than 95 percent of those with prescription coverage. The data, which spanned 3,872 plans in the commercial, health insurance exchange, Medicare, and Medicaid segments, showed that between 82 and 97 percent of Americans were enrolled in the plans implementing prior authorization for PCSK9 inhibitors. Many required health care providers to submit actual medical records rather than simply answer questions on a form, which is more common, and to provide documentation on patient histories that may not be available if a patient has switched doctors over time.

"Of particular concern was that patients with FH, where the need for PCSK9 inhibitors is more straightforward, faced the same cumbersome requirements as did patients with ASCVD," said Michael Parmacek, MD, chair of Medicine at the Perelman School of Medicine at the University of Pennsylvania.

In addition, insurance companies often required confirmation of the FH diagnosis through genetic testing, which is not a standard test in clinical practice and typically not covered by insurance. This could place additional financial burden on patients, beyond the substantial out-of-pocket costs many would face when filling a PCSK9 inhibitor prescription.

To place these findings in context, the researchers compared prior authorization criteria for PCSK9 inhibitors to those for two other medications that would be prescribed by the same types of physicians and that shared other key characteristics (such as being more expensive than alternate treatment options). They found that prior authorization requirements for PCSK9 inhibitors were substantially more burdensome than those for the comparator drugs, involving three to 11 times the number of required items to be filled out on the prior authorization form and more frequent demand to justify responses to individual items with medical record submissions.

Prior studies have found very high rejection rates for PCSK9 inhibitor authorization requests, and the new study may shed light on some contributing factors.

"More paperwork means more risk of errors or omissions, and the forms weren't consistent across insurance plans, so it's also juggling multiple sets of requirements and appeals when initial requests are rejected. This places particular burden on physicians in smaller practices without dedicated staff or resources to assist and could take time away from patient care. It raises the question of whether patients seen by physicians with greater administrative capacity, rather than those with the greatest medical need, are more likely to receive approval," Doshi said.

Approved in 2015, data on long-term outcomes and cost-effectiveness for PCSK9 inhibitors is still accumulating.

"It remains to be seen how payers will respond to additional evidence, and whether they will modify the prior authorization requirements," said Daniel Rader, MD, chair of Genetics at the Perelman School of Medicine. "While the concerns over the budget impact of prescribing PCSK9 inhibitors are certainly valid, there ultimately needs to be a balance between appropriate pre-approval requirements and ensuring those most in need have access to treatment."
Additional Penn authors on this study include Justin Puckett, BA. This study was supported by Regeneron and Sanofi.

Editor's Note: Doshi has served as a consultant for Sanofi.

Penn Medicine is one of the world's leading academic medical centers, dedicated to the related missions of medical education, biomedical research, and excellence in patient care. Penn Medicine consists of the Raymond and Ruth Perelman School of Medicine at the University of Pennsylvania (founded in 1765 as the nation's first medical school) and the University of Pennsylvania Health System, which together form a $7.8 billion enterprise.

The Perelman School of Medicine has been ranked among the top five medical schools in the United States for the past 20 years, according to U.S. News & World Report's survey of research-oriented medical schools. The School is consistently among the nation's top recipients of funding from the National Institutes of Health, with $405 million awarded in the 2017 fiscal year.

The University of Pennsylvania Health System's patient care facilities include: The Hospital of the University of Pennsylvania and Penn Presbyterian Medical Center -- which are recognized as one of the nation's top "Honor Roll" hospitals by U.S. News & World Report -- Chester County Hospital; Lancaster General Health; Penn Medicine Princeton Health; Penn Wissahickon Hospice; and Pennsylvania Hospital -- the nation's first hospital, founded in 1751. Additional affiliated inpatient care facilities and services throughout the Philadelphia region include Good Shepherd Penn Partners, a partnership between Good Shepherd Rehabilitation Network and Penn Medicine, and Princeton House Behavioral Health, a leading provider of highly skilled and compassionate behavioral healthcare.

Penn Medicine is committed to improving lives and health through a variety of community-based programs and activities. In fiscal year 2017, Penn Medicine provided more than $500 million to benefit our community.

University of Pennsylvania School of Medicine

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