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Study of effects of selenium supplement in thyroid eye disease patients, A double-blind, randomized controlled trial

Study of effects of selenium supplement in thyroid eye disease patients, A double-blind, randomized controlled trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20220725003
Enrollment
100
Registered
2022-07-25
Start date
2022-08-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Clinical symptoms of the patient with thyroid eye disease and selenium level selenium, thyroid eye disease

Interventions

50 healthy participants for assessment of mean selenium level,25 participants receive Selenium 200 mcg. tablets 1 tab per oral once a day dose for 180 days,25 participants receive Placebo tablets 1 ta
No Intervention No treatment,Experimental Dietary Supplement,Placebo Comparator Dietary Supplement
Selenium level,Selenium supplement,Placebo

Sponsors

Office of Research and Development
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patient aged 20 years or more who was diagnosed with thyroid disease and received the treatment no longer than 3 months 1.1 Thyroid diseases includes hyperthyroidism, hypothyroidism and autoimmune thyroid or 1.2 Patients who diagnosed with thyroid disease and have euthyroid status 2. Healthy participants aged 20 years or more 2.1 No history of thyroid disease 2.2 No status of malnutrition

Exclusion criteria

Exclusion criteria: 1. Patients who received thyroid surgery 2. Patients who received radiotherapy 3. Patients who have lived in Thailand less than a year 4. Patients who have serious illness (e.g. cancer, acute infection) 5. Patient who have severe thyroid eye disease and the treatment by steroid, radiotherapy, or orbital surgery are needed or planned 6. Patient who have selenium level more than 400 micrograms/liter 7. Patient with chronic kidney disease 8. Pregnant

Design outcomes

Primary

MeasureTime frame
Clinical symptoms and signs of the eyes at 0, 3, 6 and 12 months clinical activity score,subjective quality of life at 0, 3, 6 and 12 months Graves' orbitopathy quality of life,selenium level at 0, 3, 6 and 12 months micrograms per liter

Secondary

MeasureTime frame
Thyroid-Stimulating Hormone at 0, 3, 6 and 12 months milliunits per liter,Triiodothyronine free at 0, 3, 6 and 12 months pg/ml,Free thyroxine at 0, 3, 6 and 12 months pg/ml,Anti-thyroglobulin antibodies at 0, 3, 6 and 12 months IU/ml,Anti-thyroidperoxidase at 0, 3, 6 and 12 months IU/ml,Selenium-rich food consumption score at day 0 points

Countries

Thailand

Contacts

Public ContactPhanuwat Sinthupaeng

Phramongkutklao Hospital

phanuwat.s117@pcm.ac.th66805438085

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026