International Clinical Trial: Study on Using Circulating Tumor Cells and Their NIS and EMT Phenotypic Markers to Predict the Efficacy of Postoperative 131I Therapy in Differentiated Thyroid Cancer and to Early Identify Radioiodine-Refractory Thyroid Cancer

Geneva, April 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122006) titled 'Study on Using Circulating Tumor Cells and Their NIS and EMT Phenotypic Markers to Predict the Efficacy of Postoperative 131I Therapy in Differentiated Thyroid Cancer and to Early Identify Radioiodine-Refractory Thyroid Cancer' on April 8.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: Shanxi Bethune Hospital

Condition: For patients with DTC who have undergone total or near-total thyroidectomy and subsequent RAI therapy, a low-iodine diet is followed and levothyroxine sodium tablets are withdrawn for 3 weeks prior to RAI treatment, with the patient's serum TSH level exceeding 30...