1.	Quality of Life, Recombinant TSH (Thyrogen) and Thyroid Cancer Phase: Phase IV Type: Treatment Status: Active Age: 18 to 75 Sponsor: Other Protocol IDs: Dathyrca 1, EudrCT 2007-002713-39, HB-2007-043, Data register 2007-41-120, NCT00604318
2.	Gene Therapy and Radioactive Iodine in Treating Patients With Locally Recurrent Prostate Cancer That Did Not Respond to External-Beam Radiation Therapy Phase: Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Active Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000618542, P30CA015083, MC0252, 06-009392, NCI-2009-01195, MAYO-MC0252, NCT00788307
3.	Metabolic Effects of Synthetic Thyroid Hormone for Thyroid Cancer Treatment Phase: Phase I Type: Biomarker/Laboratory analysis, Supportive care Status: Active Age: 18 and over Sponsor: NIDDK Protocol IDs: 110256, 11-DK-0256, NCT01441154
4.	Evaluation Study of L-T3 Utility in the Follow-Up of Patients With Thyroid Cancer Phase: No phase specified Type: Diagnostic, Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: CRC 03-52-R1, NCT00223158