Status:

RECRUITING

Comparison of I-124 PET/CT for the Diagnosis of Thyroid Cancer

Lead Sponsor:

Thomas Hope

Collaborating Sponsors:

United States Department of Defense

Conditions:

Thyroid Cancer

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

Persons diagnosed with thyroid cancer are often treated initially with a thyroidectomy, which is followed by ablation using Iodine-131, a therapy which has been shown to be effective and safe. Imaging...

Detailed Description

PRIMARY OBJECTIVES: 1\) Agreement between 1-124 PET and 1-123/1-131 SPECT. SECONDARY OBJECTIVES: 1. Sensitivity and specificity of I-124 PET to detect metastatic thyroid cancer compared to composit...

Eligibility Criteria

Inclusion

  • Age \>= 18 years.
  • Histopathologically confirmed differentiated thyroid cancer, with clinical concern for metastatic disease:
  • Metastatic disease seen on I-123 SPECT, Fluorodeoxyglucose (FDG) PET, CT scan or ultrasound.
  • Elevated thyroglobulin in participant after total thyroidectomy.
  • i. Participants with an undetectable thyroglobulin will be allowed if thyroglobulin antibodies are present.
  • Meeting criteria for one of the following two populations:
  • American Thyroid Association (ATA) intermediate or high-risk thyroid cancer and planning on treatment using I-131.
  • Metastatic disease on imaging (CT, MRI, ultrasound or FDG PET), and considering localized therapy such as surgery and radiation therapy.
  • Undergone total thyroidectomy.
  • Planned I-123 imaging within 45 days after enrollment.
  • Ability to understand a written informed consent document, and the willingness to sign it.

Exclusion

  • Unlikely to comply with study procedures, restrictions and requirements and judged by the Investigator to be unsuitable for participation.
  • Known pregnancy, per institutional policy.

Key Trial Info

Start Date :

July 14 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 31 2026

Estimated Enrollment :

62 Patients enrolled

Trial Details

Trial ID

NCT06961084

Start Date

July 14 2025

End Date

March 31 2026

Last Update

January 7 2026

Active Locations (1)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 1 (1 locations)

1

University of California, San Francisco

San Francisco, California, United States, 94122

Comparison of I-124 PET/CT for the Diagnosis of Thyroid Cancer | DecenTrialz