Outcome of Radioiodine Treatment in Hyperthyroidism and Predictive Factors of Treatment Failure: A 10-Year Experience

Radioiodine treatment outcomes with factors effecting treatment failure: retrospective cohort study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20220331001

Enrollment

1424

Registered

2022-03-31

Start date

2010-01-01

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

Hyperthyroidism Patient who was referred for I-131 treatment Radioiodine treatment, I-131, Hyperthyroidism, Fixed dose

Interventions

Hyperthyroidism who were referred to the Nuclear Medicine Division, Department of Radiology, Songklanagarind Hospital for the first radioiodine treatment .

Treatment

Hyperthyroidism patients

Eligibility

Sex/Gender

All

Age

19 Years to 99 Years

Inclusion criteria

Inclusion criteria: New case of hyperthyroidism who was referred for I-131 treatment

Exclusion criteria

Exclusion criteria: Patients who had a history of thyroid surgery, were aged < 18 years, or had undetermined results during the follow-up period at 6 months were excluded.

Design outcomes

Primary

Measure	Time frame
Success rate 6 months after I-131 treatment Thyroid function test	—

Secondary

Measure	Time frame
Factors effecting treatment failure Since the beginning of the study, 6 months and 12 months after treatment review medical record all interesting factor	—

Countries

Thailand

Contacts

Public ContactSiwaporn Rattanamanee

Faculty of Medicine

siwaporn.t@psu.ac.th0805443408

Outcome results

None listed

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