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Psoriasis Meds Might Help Fight Heart Trouble, Too

TUESDAY, Feb. 5, 2019 (HealthDay News) -- Could the inflammation that drives psoriasis and other immune-linked illnesses be a major player in heart disease?

In a new study, certain psoriasis drugs appeared to help to keep arteries clear, suggesting such a link.

"Classically a heart attack is caused by one of five risk factors: diabetes, hypertension, high cholesterol, family history or smoking," explained study lead researcher Dr. Nehal Mehta.

"Our study presents evidence that there is a sixth factor, inflammation," she said.

Mehta heads the Laboratory of Inflammation and Cardiometabolic Diseases at the U.S. National Heart, Lung, and Blood Institute (NHLBI) in Bethesda, Md.

Another cardiologist agreed the study could open doors to new research.

"The future of cardiovascular prevention may require a cholesterol reduction medication and an anti-inflammatory medication," said Dr. Guy Mintz, who directs heart health at Northwell Health's Sandra Atlas Bass Heart Hospital in Manhasset, N.Y.

"These are exciting times in the area of cardiovascular prevention," said Mintz, who wasn't involved with the study.

The new study involved 121 patients who had moderate to severe psoriasis and qualified for anti-inflammatory medicines called biologic therapies. These injected medicines are also used by people with immune-linked conditions such as lupus or rheumatoid arthritis, and include drugs such as Cimzia, Enbrel, Humira, Orencia and Remicade, among others.

All of these medicines work by helping to suppress pro-inflammatory immune system activity.

All participants enrolled in the new study were at low risk of heart disease at the beginning of the research.

Over a year of follow-up, the use of biologic therapy was associated with an 8 percent reduction in coronary artery plaque, the researchers said.

Specifically, use of biologic drugs appeared linked with a slowed buildup of fatty plaques in arteries. These are the plaques that can restrict blood flow and cause heart attacks and stroke.

The findings suggest that immunotherapies that treat inflammatory conditions might also help cut heart disease risk, Mehta and his colleagues reported.

The study authors pointed to prior research that tied psoriasis to the early development of high-risk "soft" arterial plaques. Biologic therapy might cut plaque formation, even in patients without other heart disease risk factors such as high cholesterol, blood sugar and blood pressure, they said.

"This appears to be an anti-inflammatory effect," Mehta explained in an NHLBI news release. "In the absence of improvement in other cardiovascular risk factors, and without adding new cholesterol medications, patients' soft plaque still improved."

However, a cause-and-effect relationship isn't clear from this type of study, so "the next steps should be randomized, controlled trials," Mehta said.

Dr. Michele Green is a dermatologist who treats psoriasis patients at Lenox Hill Hospital in New York City. She wasn't involved in the new study, but said that "treatments with biologics indeed shows great promise in treating cardiovascular disease."

As for Mintz, he called the new research "exciting and important, because it highlights the importance of inflammation associated with psoriasis causing blockages in the arteries of the heart to progress.

"The best statin in the world can only lower cardiovascular events by approximately 40 percent," Mintz pointed out. "So the question arises, what causes the other 60 percent of cardiovascular events?"

The new research "supports the hypothesis that inflammation contributes to cardiovascular disease," he said. "Physicians need to become aware that inflammation should be considered in patient cardiovascular risk assessment."

The study appears online Feb. 5 in the journal Cardiovascular Research.

More information

The National Psoriasis Foundation offers more on biologic drugs.

SOURCES: Michele S. Green, M.D., dermatologist, Lenox Hill Hospital, New York City; Guy L. Mintz, M.D., director, cardiovascular health and lipidology, Northwell Health's Sandra Atlas Bass Heart Hospital, Manhasset, N.Y.; U.S. National Heart, Lung, and Blood Institute, news release, Feb. 5, 2019

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