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Updated: Aug 8, 2025

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
Published on: March 17, 2023
Cardiometabolic Risk Factors in Atorvastatin-Treated Women with Euthyroid Autoimmune Thyroiditis
Robert Krysiak1, Karolina Kowalcze2, Bogusław Okopień1
1Department of Internal Medicine and Clinical Pharmacology, Medical University of Silesia, Katowice, Poland.
Insights
Women with Hashimoto's thyroiditis may experience less benefit from atorvastatin treatment for cardiometabolic risk factors compared to those without thyroid autoimmunity. Further research is needed to optimize statin therapy in autoimmune thyroid disease.
Area of Science:
- Endocrinology
- Cardiology
- Immunology
Background:
- Autoimmune thyroiditis is linked to elevated cardiometabolic risk.
- Statins can reduce thyroid antibody titers.
- Cardiometabolic risk markers in statin-treated women with thyroid autoimmunity warrant investigation.
Purpose of the Study:
- To compare plasma markers of cardiometabolic risk in euthyroid women with and without Hashimoto's thyroiditis receiving atorvastatin.
- To assess the impact of atorvastatin on lipids, glucose homeostasis, and inflammatory markers in these groups.
Main Methods:
- Matched comparison of euthyroid women with hypercholesterolemia on atorvastatin: 29 with Hashimoto's (Group A) and 29 without thyroid pathology (Group B).
- Measurement of plasma lipids, glucose homeostasis markers, uric acid, hsCRP, fibrinogen, homocysteine, and 25-hydroxyvitamin D before and after 6 months of treatment.
Main Results:
- Groups differed at baseline in antibody titers, insulin sensitivity, and several plasma markers.
- Atorvastatin showed a more pronounced reduction in hsCRP and homocysteine in Group B (no thyroid pathology).
- Group B experienced decreases in uric acid and fibrinogen, and an increase in 25-hydroxyvitamin D; Group A showed reduced insulin responsiveness.
Conclusions:
- Euthyroid women with Hashimoto's thyroiditis may derive less benefit from atorvastatin regarding cardiometabolic risk markers compared to women without thyroid pathology.
- These findings suggest potential differences in atorvastatin efficacy based on thyroid autoimmunity status.
Introduction:
Autoimmune thyroiditis seems to be associated with increased cardiometabolic risk. Statins, the mainstay of cardiovascular risk reduction and prevention, were found to reduce thyroid antibody titers. The aim of this study was to investigate plasma markers of cardiometabolic risk in statin-treated women with thyroid autoimmunity.
Methods:
We compared two matched groups of euthyroid women with hypercholesterolemia receiving atorvastatin treatment: subjects with autoimmune (Hashimoto's) thyroiditis (group A, n = 29) and subjects without thyroid pathology (group B, n = 29). Plasma lipids, glucose homeostasis markers, as well as circulating levels of uric acid, high-sensitivity C-reactive protein (hsCRP), fibrinogen, homocysteine, and 25-hydroxyvitamin D were measured before atorvastatin treatment and 6 months later.
Results:
At entry, both groups differed in antibody titers, insulin sensitivity, and plasma levels of uric acid, hsCRP, fibrinogen, homocysteine, and 25-hydroxyvitamin D. Atorvastatin-induced reduction in hsCRP and homocysteine, but not in total cholesterol and LDL-cholesterol, was more pronounced in group B than in group A. Only in group B, the drug decreased uric acid and fibrinogen and increased 25-hydroxyvitamin D. In group A, atorvastatin reduced insulin responsiveness.
Conclusion:
The obtained results indicate that euthyroid women with Hashimoto's thyroiditis may benefit to a lesser degree from atorvastatin treatment than other populations of women with hypercholesterolemia.
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