Clinical Trial

Systematic Radioiodine Administration Versus Decision of Radioiodine Treatment Guided by a Post-operative Work-up

Study acronym: INTERMEDIATE
Recruiting Phase 3
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Summary
This trial is comparing two strategies in intermediate-risk differentiated thyroid cancer patients: Systematic radioiodine administration versus decision of radioiodine treatment guided by a post-operative work-up based on serum Tg values and diagnostic RAI scintigraphy
Protocol Amendment History 10 amendments
This ClinicalTrials.gov record has been amended 10 times since 2020-02-28; most recent amendment 2026-06-24.
Status change: Not Yet Recruiting → Recruiting 2020-03-03
Trial Details
NCT Number NCT04290663
Lead Sponsor Centre Francois Baclesse
Collaborators: French cancer Institute INCa
Conditions Thyroid Cancer, Intermediate Risk
Enrollment 368 participants
Start Date 2020-03-02
Primary Completion 2031-02 (estimated)
Study Completion 2033-02 (estimated)
Updated on ClinicalTrials.gov 2026-06-25