Anti-rheumatic medicines may be able to prevent thyroid illness: Study

The study shows that anti-rheumatic medicines that are used for treating rheumatoid arthritis can help in reducing autoimmune thyroid disease development.

According to a new observational study, anti-rheumatic medicines used to treat rheumatoid arthritis may help reduce the development of autoimmune thyroid disease.

The study was published in the Journal of Internal Medicine.

Patients with rheumatoid arthritis are more likely to develop autoimmune thyroid illnesses such as Hashimoto's disease and Graves' disease. While immunomodulatory medicines that influence the immune system are commonly used to treat RA patients, they are rarely utilised to treat autoimmune thyroid problems. Instead, thyroid hormone is used to compensate for the abnormalities in normal thyroid function that occur with autoimmune thyroid disease.

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The current study sought to determine whether immunomodulatory medicines that lower inflammation in the joints of RA patients could also lessen the chance of these patients acquiring autoimmune thyroid illness. Previous research in mice suggests that DMARDs, a type of immune-modulatory medicine used to treat rheumatoid arthritis, can lower thyroid gland inflammation. According to the research team, knowledge of whether this impact also extends to humans is limited.

The researchers discovered that the chance of acquiring an autoimmune thyroid illness in RA patients was lower after the disease's commencement than before diagnosis.

Patients with rheumatoid arthritis who were treated with immunomodulatory medications, or 'biological DMARDs,' had the greatest reduction in the incidence of autoimmune thyroid illness. The probability of autoimmune thyroid illness in these patients was 46% lower than in the control group without rheumatoid arthritis.

"These results support the hypothesis that certain types of immunomodulatory drugs could have a preventive effect on autoimmune thyroid disease," said Kristin Waldenlind, researcher at the Department of Medicine, Solna, Division of Clinical Epidemiology, Karolinska Institutet, specialist in rheumatology at Karolinska University Hospital and first author of the study. She continues:

He added, “Our results do not prove that it is the treatment with immunomodulatory drugs that led to the reduced risk of autoimmune thyroid disease, but provide support for this hypothesis. The results, if they can be replicated in further studies, open up the possibility of studying more directly in clinical trials whether the immunomodulatory drugs currently used for rheumatoid arthritis could also be used for the early treatment of autoimmune thyroid disease, i.e. for new areas of use of these drugs, known as drug repurposing.”

This story has been published from a wire agency feed without modifications to the text. Only the headline has been changed.