| Recruiting | 3 | 232 | Europe | Radiofrequency ablation, RFA, Ultrasound-guided radiofrequency ablation, Radioactive iodine, I-131 | Rijnstate Hospital, ZonMw: The Netherlands Organisation for Health Research and Development, University of Twente, Amsterdam UMC | Thyroid Nodule, Toxic or With Hyperthyroidism, Autonomous Thyroid Function, Thyroid Nodule; Hyperthyroidism, Radiofrequency Ablation, Iodine Hyperthyroidism, Iodine Adverse Reaction | 12/27 | 12/28 | | |
| Recruiting | N/A | 128 | Europe | Decision aid and SDM booster, Deliberation training | Radboud University Medical Center, Dutch Cancer Society | Thyroid Cancer | 03/24 | 03/24 | | |