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A study of changes in cholesterol levels after total thyroidectomy for Graves' disease

Changes in lipid metabolism after total thyroidectomy for Graves' disease: a prospective observational study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-jRCT1040260059
Enrollment
45
Registered
2026-06-10
Start date
2026-06-10
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Graves' disease Graves' disease, hyperthyroidism, total thyroidectomy, cholesterol, lipid metabolism

Interventions

No study-specific intervention will be performed. This is an observational study. Total thyroidectomy, preoperative treatment, postoperative levothyroxine replacement, and lipid management will be per
Not applicable

Sponsors

Tomiie Yumi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients who provide written informed consent after receiving sufficient explanation and understanding the study. 2. Patients aged 18 years or older at the time of informed consent. 3. Patients clinically diagnosed with Graves disease and scheduled to undergo elective total thyroidectomy. 4. Patients considered able to be followed until 6 months after surgery as part of routine clinical care.

Exclusion criteria

Exclusion criteria: 1. Patients receiving lipid-lowering drugs at the time of enrollment. 2. Patients diagnosed with primary dyslipidemia, such as familial hypercholesterolemia. 3. Patients with comorbidities considered to have a major influence on lipid metabolism, such as nephrotic syndrome, active liver disease, or severe renal dysfunction. 4. Pregnant or breastfeeding patients. 5. Patients with thyroid storm. 6. Patients requiring emergency surgery. 7. Patients judged by the principal investigator or subinvestigators to be unsuitable for participation in this study.

Design outcomes

Primary

MeasureTime frame
Change in LDL cholesterol level from immediately before surgery to 6 months after surgery.

Secondary

MeasureTime frame
1. Changes in lipid parameters from enrollment to immediately before surgery. 2. Changes in lipid parameters at 1, 3, and 6 months after surgery. 3. Longitudinal changes in lipid parameters. 4. Proportion of patients with dyslipidemia at 6 months after surgery. 5. Changes in body weight and body mass index. 6. Changes in thyroid function. 7. Association between preoperative treatment and changes in lipid parameters. 8. Proportion of patients who newly start lipid-lowering therapy after surgery. 9. Exploratory assessment at 12 months after surgery, if data are available in routine clinical care.

Contacts

Public ContactYumi Tomiie

Fujita Health University School of Medicine

yumi.tomiie@fujita-hu.ac.jp+81-562-93-9033

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026