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The effect of metformin on thyroid nodule

The evaluation of the effect of metformin on thyroid benign nodules

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
IRCT
Registry ID
IRCT2016022325895N3
Enrollment
240
Registered
2016-12-04
Start date
2016-11-21
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

Thyroid nodule. Nontoxic single thyroid nodule

Interventions

Intervention 1: Intervention group 1: One tablet of metformin, 500 mg, oral, twice a day, produced by Iran Hormone co, for three months. Intervention 2: Intervention group 2: One tablet of levothyroxi
Treatment - Drugs
Intervention group 1: One tablet of metformin, 500 mg, oral, twice a day, produced by Iran Hormone co, for three months
Intervention group 2: One tablet of levothyroxine, 0.1 mg, oral, once a day, produced by Iran Hormone co, for three months
Intervention group 3: Combination of one tablet of metformin, 500 mg, oral, twice a day, produced by Iran Hormone co and one tablet of levothyroxine, 0.1 mg, oral, once a day, produced by Iran Hormone
Control group: Without usage of any drugs for three months

Sponsors

Vice chancellor for research, Arak University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 70 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Female sex, benign thyroid nodule with the size of 0.5-3 cm, euthyroid, negative TPO-Ab, TSH between 0.5-2.5 mU/L, lack of chronic disease, lack of drug usage Exclusion criteria: Chronic usage of any kind of drugs more than three months, thyroid cystic nodules, malignant thyroid nodules

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
The changes of thyroid nodule size. Timepoint: The beginning of the study, after three months. Method of measurement: Ultrasonography.

Secondary

MeasureTime frame
The changes of serum TSH level. Timepoint: The beginning of the study, the beginning of the second month, the beginning of the third month, the end of the third month. Method of measurement: Blood test.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAfsaneh Talaei

Arak University of Medical Sciences

afsanehtalaeii@yahoo.com+98 86 3417 3612

Outcome results

None listed

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