| Recruiting | Response to Neoadjuvant Treatment in Locally Advanced Thyroid Cancer NCT07419932 | Fujian Medical University | — |
| Recruiting | EMDR Integrative Group Protocol and Individual Treatment for Patients With Cancer: A Pilot Study NCT07447089 | Università Cattolica di Milano | N/A |
| Recruiting | Testing a Web-based Intervention for Radioactive Iodine Symptom Management to Improve Health-related Quality o NCT06853925 | Georgetown University | N/A |
| Not Yet Recruiting | RET-US Study - Ultrasound-Based Prediction of RET Alterations and Lateral-Neck Metastasis in Thyroid Cancer NCT07042984 | Fujian Medical University | — |
| Not Yet Recruiting | Peri-operative BiPAP to Prevent Tracheostomy in High-Risk Bilateral Vocal-Cord Paralysis (BVCP) NCT07042971 | Fujian Medical University | N/A |
| Not Yet Recruiting | Genotype-Driven Neoadjuvant Therapy for Locally Advanced Thyroid Cancer: A Real-World Cohort Study NCT07010393 | Fujian Medical University | Phase 4 |
| Recruiting | Dual-Channel Near-Infrared Autofluorescence Imaging and AI Analysis to Locate Parathyroid Glands (PTFinder) NCT07010380 | Bo Wang,MD | — |
| Recruiting | TRAIL Study: Feasibility and Pilot NCT06220656 | Dartmouth-Hitchcock Medical Center | N/A |
| Recruiting | Agnostic Therapy in Rare Solid Tumors NCT06638931 | Instituto do Cancer do Estado de São Paulo | Phase 2 |
| Active Not Recruiting | Safety and Efficacy of Dexmedetomidine in Controlling Hemodynamics During Resection of Active Thyroid Secretin NCT07434206 | South Egypt Cancer Institute | Phase 2 / Phase 3 |
| Recruiting | Study of Anlotinib Hydrochloride Capsules in the Treatment of Locally Advanced or Metastatic Radioiodine-Refra NCT05994365 | Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | — |
| Completed | Whey Protein and Carbohydrates in ERAS for Recovery After Thyroidectomy: A Cohort Study NCT06607965 | Chongqing General Hospital | N/A |
| Unknown | European Multicenter Study on Surgical Management of Advanced Thyroid Cancer NCT05796960 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Completed | Assessing Benefits of NIRAF Detection for Identifying Parathyroid Glands During Total Thyroidectomy NCT05579782 | Medical College of Wisconsin | N/A |
| Recruiting | Dual-port Trans-subclavian Thyroid Endoscopic Surgery NCT06398795 | First Affiliated Hospital of Wenzhou Medical University | N/A |
| Unknown | Individual Dosing of Levothyroxine After Thyroidectomy NCT05240911 | Second Affiliated Hospital, School of Medicine, Zhejiang University | N/A |
| Active Not Recruiting | A Study of LOXO-260 in Cancer Patients With a Change in a Particular Gene (RET) That Has Not Responded to Trea NCT05241834 | Eli Lilly and Company | Phase 1 |
| Completed | Assessing Benefits of Near Infrared Autofluorescence (NIRAF) Detection for Identifying Parathyroid Glands Duri NCT05022667 | University of Michigan | N/A |
| Terminated | A Home-Based Approach Study to Evaluate the Efficacy and Safety of Alectinib in Locally-Advanced or Metastatic NCT04644315 | Hoffmann-La Roche | Phase 2 |
| Completed | Bevonescein to Highlight Nerves in Patients Undergoing Head & Neck Surgery NCT04420689 | Alume Biosciences, Inc. | Phase 1 / Phase 2 |
| Unknown | Near-infrared Fluorescence With Indocyanine Green for Identification of Sentinels and Parathyroids During Thyr NCT04424485 | Umraniye Education and Research Hospital | N/A |
| Unknown | Post-thyroidectomy Vocal Cord Paralysis Along With Hypocalcemia: STROBE - Guided Prospective Cohort NCT04396912 | Umraniye Education and Research Hospital | — |
| Unknown | Malignancy Predictors, Bethesda and TI-RADS Scores Correlated With Final Histopathology in Thyroid Diseases NCT04411290 | Umraniye Education and Research Hospital | — |
| Unknown | Post-thyroidectomy Dysphagia: An International Multicentric CONSORT - Compatible RCT NCT04410601 | Umraniye Education and Research Hospital | N/A |
| Completed | Assessing Benefits of NIRAF Detection for Identifying Parathyroid Glands During Total Thyroidectomy. NCT04281875 | Vanderbilt-Ingram Cancer Center | N/A |
| Completed | Genetic Susceptibility to Radiation Induced Thyroid Cancer NCT04139096 | Institut National de la Santé Et de la Recherche Médicale, France | — |
| Completed | The Effects of Deep Neuromuscular Blockade During Robot-assisted Transaxillary Thyroidectomy on Postoperative NCT03871387 | Yonsei University | N/A |
| Completed | Clinical Efficacy of 125I Brachytherapy Combined With Anlotinib in Radioiodine Refractory Thyroid Carcinoma Pa NCT06367010 | Jiangxi Provincial Cancer Hospital | — |
| Completed | Effect of Three Different Peak Airway Pressures on Determining Intraoperative Bleeding in Thryroidectomies NCT03547648 | Istanbul University | N/A |
| Recruiting | Hybrid Endoscopic Hemithyroidectomy and Targeted Ablation for Bilateral Papillary Thyroid Carcinoma NCT07033572 | Fujian Medical University | N/A |
| Completed | A Study to Evaluate the Safety and Efficacy of Lenvatinib in Participants With Refractory Differentiated Thyro NCT03573960 | Eisai Pharmaceuticals India Pvt. Ltd | Phase 4 |
| Completed | Minimizing Narcotic Analgesics After Endocrine Surgery NCT03469310 | Minerva A Romero Arenas | Phase 4 |
| Unknown | Cell-free Tumor DNA in Head and Neck Cancer Patients NCT03942380 | Christian von Buchwald | N/A |
| Completed | Khon Kaen University's Thyroidectomy Registry NCT03031639 | Khon Kaen University | — |
| Unknown | Comparative Study in Oral, Breast Approach and Open Thyroidectomy NCT03479801 | Second Affiliated Hospital, School of Medicine, Zhejiang University | — |
| Terminated | CUDC-907 Treatment in People With Metastatic and Locally Advanced Thyroid Cancer NCT03002623 | National Cancer Institute (NCI) | Phase 2 |
| Completed | Effect of Intravenous Magnesium on Postoperative Sore Throat After Thyroidectomy NCT02826746 | Ajou University School of Medicine | N/A |
| Completed | Tri-modal Imaging Instrument for Thyroid Cancer NCT02758158 | University Health Network, Toronto | N/A |
| Completed | FDG-PET/CT in Evaluation of Cytological Indeterminate Thyroid Nodules to Prevent Unnecessary Surgery (EfFECTS) NCT02208544 | Radboud University Medical Center | N/A |
| Completed | Post-marketing Surveillance of Lenvatinib Mesylate (Lenvima Capsule) in Patients With Unresectable Thyroid Can NCT02430714 | Eisai Co., Ltd. | — |
| Completed | An Observational Study in Differentiated Thyroid Cancer Which is Radioactive Iodine (RAI) Refractory to Assess NCT02303444 | Bayer | — |
| Completed | Clinical Efficacy of 125I Seed Implantation in the Treatment of Refractory Differentiated Thyroid Cancer NCT06362772 | Jiangxi Provincial Cancer Hospital | — |
| Completed | Study of the Efficacy of Local Analgesia as an Adjunct to General Anesthesia in Thyroidectomy and Parathyroide NCT02205801 | University of Chicago | N/A |
| Unknown | Assessment of Quality of Life After Adjunct Radioiodine Therapy in Patients With Differentiated Thyroid Cancer NCT02706743 | Southern Medical University, China | — |
| Unknown | Minimize Radioactive Iodine Ablation Of Remnant Thyroid in Differentiated Thyroid Cancer NCT02418247 | National Cancer Center, Korea | Phase 2 / Phase 3 |
| Terminated | Ponatinib for Advanced Medullary Thyroid Cancer NCT01838642 | National Institutes of Health Clinical Center (CC) | Phase 2 |
| Unknown | Study of Clinical Outcomes of Thyroid Cancer NCT04031339 | University of Roma La Sapienza | — |
| Unknown | PET Evaluation of Recurrent Differentiated Thyroid Cancer NCT01641679 | The Netherlands Cancer Institute | — |
| Completed | The Role of Elastography in the Diagnosis of Thyroid Nodules NCT01292044 | Centre Hospitalier Universitaire de Nīmes | N/A |
| Completed | To Compare Safety and the General Imaging Pattern of Cyclotron Produced Technetium vs. Generator Produced Tech NCT01437254 | AHS Cancer Control Alberta | Phase 1 |
| Completed | P53 in Differentiated Thyroid Cancer NCT01954134 | Cumhuriyet University | — |
| Completed | Sentinel Lymphnode in Patients With Papillary Thyroid Carcinoma and in Patients With Suspected Thyroid Neoplas NCT01089335 | Region Skane | — |
| Recruiting | Institut Paoli Calmettes Thyroid Cancer Database NCT02869620 | Institut Paoli-Calmettes | — |
| Completed | Nexavar® Versus Placebo in Locally Advanced/Metastatic RAI-Refractory Differentiated Thyroid Cancer NCT00984282 | Bayer | Phase 3 |
| Recruiting | Prospective Comprehensive Molecular Analysis of Endocrine Neoplasms NCT01005654 | National Cancer Institute (NCI) | — |
| Unknown | Influence of Thyroid Hormones on the Woundhealing Process NCT00929318 | Hannover Medical School | N/A |
| Completed | The Role of an Optical Probe in Thyroid Cancer Diagnosis: Pilot Study NCT01792492 | Boston Medical Center | — |
| Completed | Subcuticular Suture Versus Synthetic Glue in Thyroidectomy Incision NCT00754182 | Azienda Ospedaliero-Universitaria di Modena | N/A |
| Terminated | Avastin and Doxorubicin Postoperatively for Patients With Anaplastic Thyroid Cancer NCT00804830 | Region Skane | Phase 2 |
| Completed | Pilot Study on Laser Ablation of Symptomatic Benign Thyroid Masses NCT00615537 | BioTex, Inc. | N/A |
| Completed | Efficacy and Safety of Vandetanib (ZD6474) in Patients With Metastatic Papillary or Follicular Thyroid Cancer NCT00537095 | Genzyme, a Sanofi Company | Phase 2 |
| Completed | Is the Routine Pressure Dressing After Thyroidectomy Necessary? NCT00400465 | Khon Kaen University | Phase 4 |
| Completed | Study Of AG-013736 In Patients With 131I-Refractory Thyroid Cancer NCT00389441 | Pfizer | Phase 2 |
| Completed | Pyrosequencing of the BRAFV600E Mutation NCT00551486 | Chungnam National University | — |
| Completed | REVLIMID® (Lenalidomide) for Therapy of Radioiodine-Unresponsive Papillary and Follicular Thyroid Carcinomas NCT00287287 | Kenneth Ain | Phase 2 |
| Completed | Prognostic Significance of Fine-Needle Aspiration Cytology Features in Papillary Thyroid Carcinoma NCT00459459 | National Taiwan University Hospital | — |
| Completed | Testicular Function After Iodine 131 Therapy in Papillary Carcinoma Patients NCT01150318 | Assistance Publique - Hôpitaux de Paris | N/A |
| Completed | Phase II Study of IMRT With SIB as Adjuvant Treatment for High Risk Resected Well-differentiated Thyroid Cance NCT00279721 | Alberta Health services | Phase 2 |
| Recruiting | Genetic Analysis of Pheochromocytomas, Paragangliomas and Associated Conditions NCT03160274 | The University of Texas Health Science Center at San Antonio | — |
| Completed | Study of the Anti-angiogenesis Agent AG-013736 in Patients With Metastatic Thyroid Cancer NCT00094055 | Pfizer | Phase 2 |
| Completed | Accuracy of FDG-PET Scanning to Diagnose Malignant Thyroid Nodules NCT00537797 | Washington University School of Medicine | N/A |
| Completed | Phase II Two-step Radioimmunotherapy Clinical Study in Medullary Thyroid Carcinoma NCT00467506 | Nantes University Hospital | Phase 2 |
| Completed | Study of 18F-Fluorodeoxyglucose (FluGlucoScan) in Patients With Cancer or Suspected Cancer NCT00123760 | AHS Cancer Control Alberta | Phase 2 / Phase 3 |
| Completed | Clinical Evaluation of a New Highly Sensitive Thyroglobulin Assay in Differentiated Thyroid Carcinoma NCT00148213 | University Hospital Muenster | — |
| Completed | Electrical Impedance Scanning of Thyroid Nodules Prior to Thyroid Surgery: a Prospective Study NCT00571077 | Hadassah Medical Organization | — |
| Completed | Comparison of the Safety and Successful Ablation of Thyroid Remnant in Post-thyroidectomized Euthyroid Patient NCT00196729 | Genzyme, a Sanofi Company | Phase 3 |
| Completed | Multicenter Study Differentiated Thyroid Carcinoma NCT00144079 | University Hospital Muenster | Phase 3 |
| Unknown | The Dose of Radioactive Iodine Needed to Ablate the Thyroid Remnant Left Behind After Thyroidectomy NCT00115895 | University of Helsinki | Phase 3 |
| Completed | Study of Radioiodine (131-I) Uptake Following Administration of Thyrogen and Hypothyroid States During Thyroid NCT00001730 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | Phase 4 |
| Withdrawn | An Imaging Study in Patients With Thyroid Cancer or Head and Neck Cancer With Pertechnetate Made in a Cyclotro NCT01747512 | AHS Cancer Control Alberta | Phase 2 |
| No Longer Available | Expanded Access for LOXO-260 in Participants With Cancer Caused by an Abnormal RET Gene That Did Not Respond/i NCT05225259 | Eli Lilly and Company | — |