By Serena Gordon
MONDAY, Dec. 3, 2018 (HealthDay News) -- More than one-quarter of people with diabetes have skimped on needed insulin because of the drug's soaring price tag, according to a new small study.
Surveying nearly 200 Americans with type 1 or type 2 diabetes, researchers found 26 percent had underused insulin because of cost.
But insulin isn't a drug you can safely ration, doctors warn.
"For people with type 1 diabetes, insulin is a lifesaving drug. Without it, people can die within days," said the study's lead author, Dr. Kasia Lipska, an assistant professor of medicine at the Yale School of Medicine.
"About 1 in 5 people with type 2 need insulin to prevent short-term and long-term complications, like blindness, kidney failure and dialysis and heart disease," Lipska explained.
Dr. LaShawn McIver is senior vice president of government affairs and advocacy for the American Diabetes Association (ADA).
"People are struggling to afford insulin, and it truly is a life-and-death situation," she said.
A recent survey by the diabetes association found a similar number of people -- 27 percent in their study -- said cost had affected their use or purchase of insulin. Many of them were regularly taking less than their doctor prescribed, were missing doses or switching to a different insulin.
Insulin costs have gone up dramatically, said Dr. Elisabeth Rosenthal, author of a journal editorial. Both the new study and editorial were published Dec. 3 in JAMA Internal Medicine.
"Between 2007 and 2017, the average wholesale price of four of the most popular insulins has more than tripled in price," wrote Rosenthal, editor-in-chief of Kaiser Health News.
"Between 2010 and 2015, the monthly wholesale price of Humulin, the most popular insulin, rose to nearly $1,100, up from $258 for the average patient," she added.
These skyrocketing prices put a considerable strain on people with type 1 diabetes, who are often young people just getting started in their lives, Rosenthal said.
Lipska said it's important to be able to quantify the extent of the problem, hence the study.
The researchers surveyed 199 people with either type 1 or type 2 diabetes. All had been prescribed insulin in the past six months.
Because of cost, 32 percent of those between ages 18 and 44 reported underusing insulin, as did 24 percent of those 44 to 64 years old. Among those 64 and older, 21 percent had underused insulin due to cost.
Moreover, more than one-third of those who underused insulin never spoke to their physician about it.
Insulin underuse based on cost wasn't limited to low-wage earners. While nearly 20 percent of people making under $10,000 a year reported skimping on insulin due to cost, so did more than 38 percent of those making between $50,000 and $99,000 a year, the study reported.
"People are struggling to afford insulin across all incomes," McIver said.
"When an unexpected bill lands in your mailbox, it's a crisis, and we hear a lot about the $200,000 bills. But insulin and insulin pump costs, and blood sugar test strips, these costs are persistent, and they're for life," Rosenthal said. "Imagine if your rent suddenly went up $600 a month. It's really unfair to people who have type 1 diabetes."
The new study also found that more than half of people surveyed said they were also having trouble paying for diabetes devices, such as insulin pumps, blood sugar meters and continuous glucose monitors.
And those cost issues made a difference. People who reported cost-related insulin underuse had three times higher odds of having poor blood sugar control, the study found.
Lipska and her colleagues agreed said this problem is too big for patients to tackle on their own.
"Regulators and the medical community need to intervene to ensure that insulin is affordable to patients who need it," they wrote.
McIver said the ADA is pushing for more transparency across the supply chain to help figure out why costs have gotten so high. She encouraged patients to call their elected officials and share their stories and concerns.
Lipska said physicians need to be aware that pricing is an issue for their patients. "Doctors need to talk to their patients and ask them. Patients feel that this isn't a medical issue per se, and may not bring it up. But if you can't afford your medicine, that's part of your care."
If you can't afford your insulin, the American Diabetes Association suggests possible resources.
SOURCES: Kasia Lipska, M.D., M.H.S., assistant professor, medicine, Yale School of Medicine, New Haven, Conn.; LaShawn McIver, M.D., M.P.H., senior vice president, government affairs and advocacy, American Diabetes Association; Elisabeth Rosenthal, M.D., editor-in-chief, Kaiser Health News; Dec. 3, 2018, JAMA Internal Medicine
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