Vitamin D, Selenium, and Antidiabetic Drugs in the Treatment of Type 2 Diabetes Mellitus with Hashimoto's Thyroiditis

Overview

Journal World J Diabetes

Publisher Baishideng Publishing Group

Specialty Endocrinology

Date 2024 Mar 11

PMID 38464371

Authors

Fen Feng

Bin Zhou

Ci-La Zhou

Ping Huang

Gang Wang

Kuang Yao

Affiliations

Soon will be listed here.

Abstract

Background: Diabetes and thyroiditis are closely related. They occur in combination and cause significant damage to the body. There is no clear treatment for type-2 diabetes mellitus (T2DM) with Hashimoto's thyroiditis (HT). While single symptomatic drug treatment of the two diseases is less effective, combined drug treatment may improve efficacy.

Aim: To investigate the effect of a combination of vitamin D, selenium, and hypo-glycemic agents in T2DM with HT.

Methods: This retrospective study included 150 patients with T2DM and HT treated at The Central Hospital of Shaoyang from March 2020 to February 2023. Fifty patients were assigned to the control group, test group A, and test group B according to different treatment methods. The control group received low-iodine diet guidance and hypoglycemic drug treatment. Test group A received the control treatment plus vitamin D treatment. Test group B received the group A treatment plus selenium. Blood levels of markers of thyroid function [free T3 (FT3), thyroid stimulating hormone (TSH), free T4 (FT4)], autoantibodies [thyroid peroxidase antibody (TPOAB) and thyroid globulin antibody (TGAB)], blood lipid index [low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), triacylglycerol (TG)], blood glucose index [fasting blood glucose (FBG), and hemoglobin A1c (HbA1c)] were measured pre-treatment and 3 and 6 months after treatment. The relationships between serum 25-hydroxyvitamin D3 [25 (OH) D3] level and each of these indices were analyzed.

Results: The levels of 25 (OH) D, FT3 FT4, and LDL-C increased in the order of the control group, test group A, and test group B (all < 0.05). The TPOAB, TGAB, TC, TG, FBG, HbA1c, and TSH levels increased in the order of test groups B, A, and the control group (all < 0.05). All the above indices were compared after 3 and 6 months of treatment. Pre-treatment, there was no divergence in serum 25 (OH) D level, thyroid function-related indexes, autoantibodies level, blood glucose, and blood lipid index between the control group, test groups A and B (all > 0.05). The 25 (OH) D levels in test groups A and B were negatively correlated with FT4 and TGAB (all < 0.05).

Conclusion: The combination drug treatment for T2DM with HT significantly improved thyroid function, autoantibody, and blood glucose and lipid levels.

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