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Impact of metformin on thyroid function and autoimmune antibody in type 2 diabetic patients with Hashimoto's thyroiditis

The effect of metformin on thyroid function and autoantibodies in patients with Hashimoto's thyroiditis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500113966
Enrollment
Unknown
Registered
2025-12-04
Start date
2023-04-24
Completion date
Unknown
Last updated
2025-12-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hashimoto's thyroiditis

Interventions

Group 1:treated with metformin,initial dosage: 0.5 g/day, gradually increased to 1.5 g/day within one month
Group 2:treated with other oral hypoglycemic drugs

Sponsors

University-Town Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: (1)All the patients included in the study met the diagnostic criteria for type 2 diabetes in the Chinese Guidelines for the Prevention and Treatment of Type 2 Diabetes (2020 Edition) and WHO (1999). 1) Typical diabetic symptoms (polydipsia, polyuria, polyphoresis, unexplained weight loss) plus random blood glucose >=11.1 or plus 2) fasting blood glucose >=7.0 or plus 3) 2-hour blood glucose after glucose loading >=11.1, and in line with the diagnostic criteria for thyroiditis in the Chinese Guidelines for the Diagnosis and Treatment of Thyroid Diseases: The thyroid function is normal, but the titers of TPOAb and TgAb are significantly increased. (2) Age >= 18 years old and <=80 years old; (3) The patient gives informed consent and signs the informed consent form.

Exclusion criteria

Exclusion criteria: ?(1)? Current or prior history of comorbid thyroid disorders (e.g., thyrotoxicosis, hypothyroidism, thyroid nodules, thyroid tumors), thyroid surgery, or radiation exposure, which may cause thyroid hormone secretion abnormalities (e.g., hypopituitarism, prolactinoma); ?(2)? Acute diabetic complications, severe chronic diabetic complications, severe infections, trauma, surgery, malignancies, heart failure, acute myocardial infarction, hypotension, or oxygen deprivation; ?(3)? Pregnancy or lactation; severe cardiovascular disease; hepatic or renal insufficiency; untreated hypertension; or pulmonary insufficiency; ?(4)? Participation in other drug clinical trials within the past six months; ?(5)? Any other condition potentially interfering with intervention compliance or follow-up completion; ?(6)? Investigator-determined contraindications (e.g., diseases affecting outcome assessment or general unsuitability for enrollment).

Design outcomes

Primary

MeasureTime frame
The volume of the thyroid;Thyroid stimulating hormone;Free thyroxine;Free triiodothyronine;Thyroid globulin antibody;Thyroid peroxidase antibody ;Thyroid stimulating hormone receptor antibody ;Tumor necrosis factor-a;Interferon-?;Interleukin-2;Soluble Fas;Soluble Fas ligand ;

Secondary

MeasureTime frame
Glycated hemoglobin;Total cholesterol;Triglycerides;Low-density lipoprotein ;High-density lipoprotein;Body mass index;

Countries

China

Contacts

Public ContactChen Guangmin

University-Town Hospital of Chongqing Medical University

cgmdxcyy@163.com+86 23 6571 4077

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026