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PCSK9is shown to lower improve cardiovascular outcomes, many rejected by their insurance plan

New research from the FH Foundation highlights that individuals at high risk for cardiovascular events, including those with familial hypercholesterolemia (FH) or atherosclerotic cardiovascular disease (ASCVD), experienced more heart attacks, strokes and other cardiovascular events when they were unable to obtain their prescribed PCSK9 inhibitor (PCSK9i), a cholesterol-lowering treatment.

The new study, published today in Circulation: Cardiovascular Quality and Outcomes, found that high-risk individuals had a 16 percent increased risk of a cardiovascular event during the 11.5-month study period when their PCSK9is were rejected by their insurance plan.

High cholesterol is a major risk for heart disease, which is the number one cause of illness and death in the United States. Statins are the first-line treatment to lower low-density lipoprotein cholesterol (LDL-C) and reduce the risk for cardiovascular events, but for some, including many with FH, that is not enough. PCSK9is have been shown to lower LDL-C and improve cardiovascular outcomes in multiple large randomized trials, yet many individuals prescribed a PCSK9i by their doctor are unable to obtain treatment.

“Over eighty thousand individuals at high risk for cardiovascular events experienced delays in treatment. Unprecedented high insurance denials, high drugs costs and related out-of-pocket costs resulted in individuals not receiving therapy and caused a significant increase in cardiovascular events, including heart attacks and stroke. In other words, real people had real heart attacks and strokes because they could not get the medicine prescribed by their doctors,” said Kelly Myers, FH Foundation chief technology officer and study author.

The study also found that individuals who did not fill their prescriptions had an immediate 21 percent increased risk of a cardiovascular event during the study period. Approximately 65 percent of unfilled prescriptions were among Medicare patients, likely due to higher co-pay costs.

“Higher co-pays led to more individuals giving up their therapy even if they were approved. Importantly, we found that women, minorities and individuals with lower incomes who are historically undertreated for heart disease had higher rates of both rejected and unfilled prescriptions,” said Myers.

The study also revealed that individuals with FH, a common and often undiagnosed genetic condition that causes high LDL-cholesterol from birth, are at an even greater risk than the study group. As a whole, the study group had a seven-times higher risk of cardiovascular events than the general population.  Specifically:

  • Individuals with FH had a three-times increased risk of a cardiovascular event compared to other individuals in the study who did not have FH or ASCVD.
  • Individuals with FH who did not have cardiovascular disease had the same high risk as individuals who had already been diagnosed with cardiovascular disease.
  • The study’s highest risk group was individuals with FH who also have cardiovascular disease. This group had more than a five-times risk of cardiovascular events than other individuals in the study who did not have FH or ASCVD. Alarmingly, 63 percent of their prescriptions were rejected by their insurance plan.

“While we know that someone who has had a heart attack or other cardiovascular event is much more likely to have a second event and is at much higher risk than the general population, this new finding underscores that individuals with FH are at as high a risk. It is imperative that we initiate comprehensive treatment early in life, and that individuals receive the medications they have been prescribed,” said Daniel J Rader, M.D., chair of the department of Genetics in the Perelman School of Medicine at the University of Pennsylvania, Chief Scientific Advisor of the FH Foundation and senior author of the paper.

“This real-world evidence highlights the extreme risk FH individuals face for a heart attack or stroke if their LDL cholesterol is not adequately lowered.  Individuals like myself, who have FH and have had a heart attack, are at the highest immediate risk of a life-threatening cardiovascular event, yet health plans and payers are still rejecting over two-thirds of prescriptions for this group,” said Katherine Wilemon, Founder and CEO of the FH Foundation.

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