Systematic Radioiodine Administration Versus Decision of Radioiodine Treatment Guided by a Post-operative Work-up
Multicentric Phase III Trial 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
Centre Francois Baclesse
476 participants
Mar 2, 2020
INTERVENTIONAL
Conditions
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
Eligibility
Plain Language Summary
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Interventions
Administration of 3.7 GBq (100 mCi) or 1,1 GBq (30 mCi) of I131 at the choice of the investigator after rhTSH-stimulation
The decision-making for the administration of an adapted RAI-treatment will be taken according to the following criteria: * No RAI treatment if Tg/LT4 ≤1 ng/mL and rhTSH-sTg ≤10 ng/mL and normal diagnostic RAI-scintigraphy * 1.1 GBq after rhTSH if Tg/LT4\>1 ng/mL or rhTSH-sTg\>10 ng/mL and normal diagnostic RAI-scintigraphy. * 3.7 GBq after rhTSH if metastatic lymph-node(s) detected on diagnostic RAI-scintigraphy without distant metastasis * 3.7 GBq after hormone withdrawal if distant metastasis detected on diagnostic RAI-scintigraphy or on the hybrid CT scan of the SPECT-CT acquisition
Locations(29)
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NCT04290663