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Oklahoma Medical Research Foundation | OMRF

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Home - News - Findings could lead to better outcomes for minority Sjögren’s patients

Findings could lead to better outcomes for minority Sjögren’s patients

July 10, 2019

New findings from OMRF have revealed important information about Sjögren’s syndrome risk in American Indian and African American populations.

In Sjögren’s, immune cells attack moisture-producing glands, leading to painful dryness and decreased ability to produce tears or saliva. Common symptoms include severe dry eyes and dry mouth, as well as fatigue, arthritis and memory problems.

Sjögren’s is best understood in white populations, but researchers continue to look for more clues in understanding this difficult-to-diagnose disease in under-represented groups. OMRF scientists Astrid Rasmussen, M.D., Ph.D., and Hal Scofield, M.D., led a study to identify the risk of the disease and race-specific signs and symptoms in American Indian and African American patients.

Rasmussen said the study revealed two important findings. First, American Indians had higher rates of disease but less obvious symptoms, making it harder to diagnose.

The second was that African Americans are significantly less likely to develop Sjögren’s, but those who do will be at higher risk than their white counterparts for developing lymphoma, a cancer of the immune cells, as a result of the disease.

“Both of these revelations were surprising and potentially very important in preventative medicine,” said Rasmussen. “Knowing what to look for in American Indians could help with earlier diagnosis before the disease worsens. In African Americans, doctors will now know to be on the lookout for lymphoma so it can be diagnosed quickly.”

She added that the type of lymphoma associated with Sjögren’s responds very well to treatment  if detected in a timely manner, “and this could be a very valuable contribution that saves lives by simply knowing what to look for.”

The study group consisted of 610 patients with 426 identified as white, 164 American Indians and 20 African Americans.

Surprisingly, American Indians made up a quarter of the Sjögren’s patients in the study, far exceeding their percentage of the overall population, which is nearly 12 percent in Oklahoma. Meanwhile, African Americans represented only 3 percent of the patient group despite comprising more than 7 percent of the overall population.

“These findings are important because they will allow doctors to be more diligent in investigating patients who don’t fit the usual picture of the disease,” said Scofield. “This can lead to faster diagnosis and earlier detection of potentially serious complications. These findings can help people achieve better health outcomes immediately.”

The findings were published in the journal Arthritis Care and Research.

This work was supported in part by grants from the National Institutes of Health, the Department of Veterans Affairs, OMRF, the Phileona Foundation, the Sjögren’s Syndrome Foundation, and a Lupus Research Institute Novel Research Award.

Filed Under: News Tagged With: African-American, american indian, arthritis, autoimmune, black, disease, indian, lupus, minorities, minority, Native American, newsok, OKC, Oklahoma City, Oklahoma Medical Research Foundation, OMRF, robert, scientist-news, Scofield, Sjogren's

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