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Effectiveness of Thyroid Gland Size Determination by Ultrasound versus Manual Palpation in Success of Radioactive Iodine Treatment for Graves' Disease

Effectiveness of Thyroid Gland Size Determination by Ultrasound versus Manual Palpation in Success of Radioactive Iodine Treatment for Graves' Disease

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20211109003
Enrollment
172
Registered
2021-11-09
Start date
2018-07-01
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

Graves&#039

Interventions

Determination of thyroid gland size by ultrasonography,Determination of thyroid gland size by manual palpation
Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery
Ultrasonography,Manual palpation

Sponsors

Routine to Research Unit (R2R), Faculty of Medicine Siriraj Hospital, Mahidol University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patients who were referred to Division of Nuclear Medicine, Faculty of Medicine Siriraj Hospital for the first radioactive iodine treatment for Graves' disease 2. Stop antithyroid drugs 5-7 days prior to administration of radioactive iodine

Exclusion criteria

Exclusion criteria: 1. Previously treated with radioactive iodine treatment or thyroidectomy 2. Required a radioactive iodine dose of more than 150 microcuries per 1 gram of thyroid tissue 3. Pregnant or lactating women 4. Not voluntarily agree to participate in the study

Design outcomes

Primary

MeasureTime frame
Success of radioactive iodine treatment for Graves' disease At 6 months after radioactive iodine treatment Ability to discontinue antithyroid drugs

Secondary

MeasureTime frame
Factors associated with success of radioactive iodine treatment for Graves' disease At 6 months after radioactive iodine treatment Determination of factors associated with success of radioactive iodine treatment for Graves' disease

Countries

Thailand

Contacts

Public ContactSawaraj Choksakunwong

Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand

sawaraj.cho@mahidol.edu66891377614

Outcome results

None listed

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