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Some Psoriasis Meds May Also Help Prevent Heart Disease

TUESDAY, Sept. 15, 2020 (HealthDay News) -- Biologic therapy for the skin condition psoriasis may reduce patients' risk of heart disease, new research suggests.

Chronic inflammation in people with psoriasis is associated with the development of plaque in heart arteries, which increases the risk of coronary artery disease. In biologic therapy, patients receive protein-based infusions to reduce inflammation.

"This is the first time an imaging study in humans has shown what one year of ongoing, untreated inflammation can do to arteries of the heart, and that we can reverse this damage," said study senior author Dr. Nehal Mehta. He's chief of the inflammation and cardiometabolic diseases lab at the U.S. National Heart, Lung, and Blood Institute.

"Untreated inflammation is dangerous. You are just waiting for a heart attack or stroke to happen," Mehta added.

This study focused on a dangerous type of coronary plaque called lipid-rich necrotic core. It's composed of dead cells and cell debris, and is prone to rupture. Ruptured plaque can lead to a heart attack or stroke.

The study included 209 patients, aged 37 to 62, with psoriasis. They were selected to receive biologic therapy (124 patients) or assigned to the control group and received topical creams and light therapy (85 patients).

After one year of treatment, CT scans showed that patients who received biologic therapy had an 8% decrease in coronary plaque, while those in the control group had a slight increase.

The findings held even after the researchers adjusted for cardiovascular risk factors and psoriasis severity. The study was published Sept. 15 in the journal Circulation: Cardiovascular Imaging.

"Having inflamed plaque that is prone to rupture increases the risk of heart attack fivefold within 10 years," Mehta said in a journal news release.

Treatment with cholesterol-lowering statins reduces coronary plaque approximately 6% to 8%, Mehta noted. "Similarly, our treatment with biologic therapy reduced coronary plaque by the same amount after one year. These findings suggest that biologic therapy to treat psoriasis may be just as beneficial as statin therapy on heart arteries," he added.

Along with psoriasis patients, the study findings could have implications for people with other chronic inflammatory conditions such as HIV, lupus and rheumatoid arthritis, who also have an increased risk of heart disease, according to the researchers.

"We have never before been able to show healing of an inflamed plaque like this in humans. Biologic therapy reduces systemic inflammation and immune activation, and it has a favorable impact on improving overall vascular health," Mehta said.

The authors said a larger study is needed to confirm the results.

More information

The American Academy of Family Physicians has more on psoriasis.

SOURCE: Circulation: Cardiovascular Imaging, news release, Sept. 15, 2020

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