| Not Yet Recruiting | DEscripitive Patient Analysis to Enable Risk-based Quality Improvement Measures in a lArge iNternal mediCIne g NCT06178302 | Imed19 | — |
| Active Not Recruiting | Ultrasound Large-scale Model in Thyroid Field: A Multi-center Study on Medical-Engineering Integration NCT07296575 | Second Affiliated Hospital of Nanchang University | — |
| Recruiting | Patient-centered Dosage of Levothyroxine NCT06455371 | University Hospital of North Norway | N/A |
| Recruiting | A Study of Online Follow-up in Patients With Papillary Thyroid Cancer NCT06800482 | West China Hospital | N/A |
| Enrolling By Invitation | Clinical Trial to Evaluate the Effectiveness and Safety of a Remote Automated Ultrasound Diagnostic System for NCT06487312 | Tongji Hospital | — |
| Completed | The Interaction Between Resting Metabolic Rate, Physical Activity and Thyroid Hormone in Females NCT06377943 | Shenzhen Institutes of Advanced Technology ,Chinese Academy of Sciences | — |
| Not Yet Recruiting | The Effect of Mobile-Based Education on Postoperative Recovery and Quality of Life in Thyroidectomy Patients NCT06383481 | Ataturk University | N/A |
| Completed | The Effects of Different Types of Music on Patients Undergoing Thyroid Surgery NCT06953011 | Dicle University | N/A |
| Recruiting | A Prospective, Single-arm, Multi-centre, Blinded, Observational, Diagnostic Accuracy Study With a Diagnostic M NCT04845867 | ISAR-M GmbH | — |
| Recruiting | Analgesic Efficacy of an Intermediate CPB in Neck Surgeries. NCT06419556 | Cairo University | N/A |
| Recruiting | A Study to Collect Information About the Use of Redifferentiating Medications as a Standard Treatment for Thyr NCT05733013 | Memorial Sloan Kettering Cancer Center | — |
| Completed | Complications After Thyroid Surgeries: 10 Years' Experience NCT05699304 | South Valley University | — |
| Unknown | Measurement of Iodolipids in the Thyroid Gland and Other Biological Samples NCT05628506 | Prof. Gerasimos Sykiotis | N/A |
| Unknown | Hemostasis in Thyroidectomy, Comparison Between Diathermy and Ligasure NCT05567432 | Assiut University | N/A |
| Unknown | Nurse-led Medication Self-management Intervention in the Improvement of Medication Adherence NCT05645653 | Hamad Medical Corporation | N/A |
| Enrolling By Invitation | Measuring Symptom Relief After Radiofrequency Ablation of the Thyroid NCT05501041 | Mayo Clinic | — |
| Unknown | Three-dimensional Ultrasonography Thyroid Volume Measurement. NCT05510609 | Rigshospitalet, Denmark | N/A |
| Terminated | Parathyroid Vascularization During Total Thyroidectomy Using Indocyanine Green Angiography NCT05328076 | IRCCS San Raffaele | — |
| Unknown | The Relation Between Thyroid , Parathyroid Hormones and eGFR in CKD Patients in Assiut NCT05243979 | Assiut University | — |
| Terminated | IMRT Followed by Pembrolizumab in the Adjuvant Setting in Anaplastic Cancer of the Thyroid (IMPAACT): Phase II NCT05059470 | M.D. Anderson Cancer Center | Phase 2 |
| Unknown | Thyroid Autotransplantation in Quadriceps Femoris Muscle NCT04684953 | Assiut University | N/A |
| Unknown | A Deep Learning Method to Predict Difficult Laryngoscopy Using Cervical Spine X-ray Image NCT05176184 | Seoul National University Hospital | — |
| Completed | Comparison of Thyroid Volumes in Patients With and Without Endometrioma NCT05323539 | Adana City Training and Research Hospital | N/A |
| Recruiting | Correlation Vitamin D Level to Endocrine Autoimmune Toxicity Due to Immune Checkpoint Inhibitors NCT04615988 | Icahn School of Medicine at Mount Sinai | — |
| Completed | Normal Range of TSH and FT4 in Pregnancy NCT04860622 | Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital | — |
| Completed | Evaluation of Minimal Invasive Thyroidectomy NCT05434715 | Kafrelsheikh University | N/A |
| Completed | Transection of Sternothyroid Muscle Increases the Rate of Exposure of the External Laryngeal Nerve During Thyr NCT05421559 | Ahmed Aouf | N/A |
| Recruiting | Pilot Study for Thyroid Surgery by Preoperative Video Support and Personalized and Secure Web Platform NCT04571736 | University Hospital, Montpellier | N/A |
| Active Not Recruiting | Laser Ablation of Papillary Thyroid Microcarcinoma NCT04623801 | Memorial Sloan Kettering Cancer Center | Phase 2 |
| Completed | The Effect of Levetiracetam on Lipid Profile in Children NCT05276271 | Ege University | — |
| Unknown | Is Correcting Total Serum Calcium Levels Important After Thyroidectomy NCT04304573 | University Hospital Sestre Milosrdnice | — |
| Active Not Recruiting | Treatment of ARDS With Instilled T3 NCT04115514 | University of Minnesota | Phase 2 |
| Unknown | Low-dose Rocuronium Effect Neural Monitoring in Thyroid Surgery NCT04230915 | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | N/A |
| Active Not Recruiting | Iodine Impact on Thyroid Function and Psychomotor Development, Observational Study in the Portuguese Minho Reg NCT04288531 | University of Minho | — |
| Unknown | Ultrasound and Functional Thyroid Evaluation NCT04208503 | Princess Anna Mazowiecka Hospital, Warsaw, Poland | — |
| Completed | Can Thyroidectomy be Considered Safe in Obese Patients? NCT04273711 | University of Cagliari | — |
| Completed | Prevention av Autoimmunitet Med Laktobaciller NCT04014660 | Lund University | N/A |
| Enrolling By Invitation | Exparel Injection Effect on Postoperative Opioid Usage NCT04085913 | University of Missouri-Columbia | EARLY_Phase 1 |
| Completed | Comparison of TOETVA and Conventional Thyroidectomy NCT04647006 | MUnlu | N/A |
| Unknown | Is There Benefit From Early Postoperative PTH Monitoring? NCT04160637 | University Hospital Sestre Milosrdnice | — |
| Unknown | Effect of Thyroid Hormone on Post-Myocardial Infarction Remodeling and Prognosis in STEMI Patients NCT03933358 | Beijing Friendship Hospital | — |
| Completed | Anaesthesia With or Without Rocuronium in Intubation and Intraoperative Nerve-monitoring During Thyroid Surger NCT03910504 | Federico Longhini | N/A |
| Unknown | Study of Neoadjuvant Regimen for Radioactive Iodine Treatment of Metastatic and Advanced Differentiated Thyroi NCT04180007 | Nanjing First Hospital, Nanjing Medical University | Phase 2 |
| Completed | Effect of Head Position During Thyroidectomy on Postoperative Cognitive Functions NCT04830293 | Zonguldak Bulent Ecevit University | — |
| Completed | Does Indocyanine Imaging Scoring Predicts Postoperative Parathormone Levels at 24 Hours After Total Thyroidect NCT03910049 | Aristotle University Of Thessaloniki | — |
| Unknown | Upper Limit for TSH of First and Second Trimester Pregnancy in Turkey NCT03754621 | Bartin State Hospital | — |
| Completed | PheWAS of a Polygenic Predictor of Thyroid Function NCT03597659 | Groupe Hospitalier Pitie-Salpetriere | — |
| Terminated | Metformin to Mitigate Sequelae of Radioactive Iodine Treatment for Thyroid Cancers NCT03109847 | Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University | Phase 2 |
| Completed | Influenced the Type of Laryngoscopy the Intraoperative Nerve Monitoring During Thyroid Surgery NCT02943980 | Johannes Gutenberg University Mainz | N/A |
| Unknown | Dysthyroidism and Female Sexual Function NCT03093285 | University of Florence | — |
| Unknown | Thyroid Autoimmunity and Reproductive Failure in Danish Women NCT02912442 | Rigshospitalet, Denmark | — |
| Completed | A Nutritarian Study to Evaluate the Effectiveness of Lifestyle Changes in Chronic Disease Prevention, Especial NCT03430141 | Northern Arizona University | N/A |
| Withdrawn | Post Thyroidectomy Myocardial Function NCT03060499 | Aristotle University Of Thessaloniki | — |
| Active Not Recruiting | Randomized Trial Comparing Performance of Molecular Markers for Indeterminate Thyroid Nodules NCT02681328 | Jonsson Comprehensive Cancer Center | — |
| Recruiting | Intraoperative Monitoring to Predict Postoperative Complications After Thyroidectomy NCT03309384 | Central Hospital, Nancy, France | — |
| Unknown | Effect of Intraoperative Nerve Monitoring on Voice Quality During Thyroid Surgery NCT02509715 | Lütfiye Nuri Burat Government Hospital | N/A |
| Completed | The Efficacy and Safety of Thunderbeat in Thyroid Surgery NCT02304172 | Seoul National University Hospital | N/A |
| Completed | Gestational Age Specific Thyroid Function Reference Range NCT03663517 | Chinese University of Hong Kong | — |
| Unknown | Ketamine in Robot-assisted Thyroidectomy NCT01997801 | Seoul National University Hospital | N/A |
| Completed | LumaENT and Patient Satisfaction NCT02611622 | Washington University School of Medicine | N/A |
| Completed | Interrelations Between FT3, FT4 and Pituitary TSH NCT01969552 | Klinikum Lüdenscheid | — |
| Completed | The Effects of Different Degrees of Head-of-bed Elevation NCT03816371 | Necmettin Erbakan University | N/A |
| Unknown | Prevalence of Thyroid Function Abnormalities in HIV-infected Patients NCT03149354 | Centre Hospitalier Universitaire, Amiens | N/A |
| Completed | Safety and Efficacy of Empiric Levothyroxine (LT4) Dose Increase Versus Individualized LT4 Dose Increase in Hy NCT03115515 | Medstar Health Research Institute | N/A |
| Completed | Thyroid in Bariatric Surgery NCT03048708 | University Hospitals Coventry and Warwickshire NHS Trust | N/A |
| Completed | Use of an In Vivo Optical Probe to Discriminate Benign From Malignant Thyroid Nodules NCT01401855 | Boston Medical Center | — |
| Withdrawn | Redifferentiation Therapy Using Alpha Lipoic Acid in Thyroid Cancer NCT01396733 | Asan Medical Center | Phase 2 |
| Completed | Post Thyroidectomy Endoscopic Laryngeal Examination :Is it Mandatory? NCT03079193 | Khamis Mushayt General Hospital | — |
| Unknown | Secured Thyroidectomy With Intraoperative Methylene Blue Using NCT01347606 | SB Istanbul Education and Research Hospital | — |
| Completed | Visualization Versus Neuromonitoring of the External Branch of the Superior Laryngeal Nerve During Thyroidecto NCT01395134 | Jagiellonian University | N/A |
| Completed | Thyroid Cancer in United Arab Emirates NCT04763122 | Tawam Hospital | — |
| Unknown | Thyroid Disease Diagnosis by Mutiple Ultrasonic Factors. NCT04388956 | National Taiwan University Hospital | — |
| Completed | Subtotal Versus Total Thyroidectomy for Graves' Disease NCT01408368 | Jagiellonian University | N/A |
| Active Not Recruiting | A Gene Hunting Study for Familial Papillary Thyroid Cancer NCT02776969 | Ohio State University Comprehensive Cancer Center | — |