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Even before media reports and a congressional hearing vilified Valeant Pharmaceuticals International for raising prices on a pair of lifesaving heart drugs, Dr. Umesh Khot knew something was very wrong.

Khot is a cardiologist at the Cleveland Clinic, which prides itself on outstanding heart care. The health system’s pharmacists had alerted doctors about the skyrocketing cost of the drugs, nitroprusside and isoproterenol. But these two older drugs, frequently used in emergency and intensive care situations, have no direct alternatives.

“If we are having concerns, what is happening nationally?” Khot wondered.

As it turned out, a lot was happening.

Following major price increases, use of the two cardiac medicines has dramatically decreased at 47 hospitals, according to a research letter Khot and two others published Wednesday in the New England Journal of Medicine.

The number of patients getting nitroprusside, which is given intravenously when a patient’s blood pressure is dangerously high, decreased 53 percent from 2012 to 2015. At the same time, its price per 50 milligrams jumped thirtyfold, from $27.46 in 2012 to $880.88 in 2015.

The use of isoproterenol, key in monitoring and treating heart-rhythm problems during surgery, decreased 35 percent as the price per milligram rose from $26.20 to $1,790.11.

The drugs, which are off patent, have long been go-to medicines for doctors.

“This isn’t like a cholesterol medicine, these are really, very specialized drugs,” said Khot, who is lead author on the peer-reviewed research letter. When patients get the drugs, “they are either sick beyond sick in intensive care or they’re under anesthesia [during] a procedure.”

Valeant bought the drugs in early 2015 from Marathon Pharmaceuticals. Valeant announced a rebate program last year to lower the price hospitals paid for the drugs. And Valeant’s Lainie Keller, a vice president of communications, said the company is committed to limiting price increases.

“The current management team is committed to ensuring that past decisions with respect to product pricing are not repeated,” Keller said in a statement Wednesday.

Erin Fox, who directs drug information at the University of Utah Health Care, said the letter reveals “exactly what a lot of pharmacists have been talking about. When prices are unsustainable, you have to stop using the drug whenever you can. You just can’t afford it.”

Fox said her Utah health system removed isoproterenol from its bright-red crash carts, which are stocked for emergencies like heart attacks. Nitroprusside is more difficult to replace.

“It is one if you need it, you need it,” Fox said. “That’s exactly why the usage has not gone down to zero even with the huge price increases.”

Cleveland Clinic leaders spent months investigating each drug’s use and potential alternatives, Khot said.

“We’re not going to ration or restrict this drug in any way that would negatively impact these patients,” Khot said, adding that he hopes to do more research on how the decreased use of both drugs affected patients.

Dr. Richard Fogel, a cardiologist and electrophysiologist at Ascension, a large nonprofit hospital chain with facilities in 22 states and the District of Columbia, told a Senate committee last year that the cost of the two drugs alone drove a nearly $12 million increase in Ascension’s spending over one year.

“While we understand a steady, rational increase in prices, it is the sudden, unfounded price explosions in select older drugs that hinder us in caring for patients,” Fogel said.

The NEJM letter also analyzed two other drugs — nitroglycerin and dobutamine — that remained stable in price as a control group. The number of patients treated with nitroglycerin, a drug used for chest pain and heart failure, increased by 89 percent, but Khot warned that the drugs can’t always be used as substitutes.

KHN’s coverage of prescription drug development, costs and pricing is supported in part by the Laura and John Arnold Foundation.

Read more from Sarah Jane Tribble

Kaiser Health News (KHN) is a national health policy news service. It is an editorially independent program of the Henry J. Kaiser Family Foundation.

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