NCT00403390
Generic vs. Name-Brand Levothyroxine treatment Not Available completed NCT05712421
A Study Evaluation the Safety and Efficacy of Hormone Replacement Therapy With North Star Compared to Levothyroxine in Patients With Primary Hypothyroidism treatment 2 enrolling_by_invitation NCT02364102
Effect of Hypothyroidism on Brown Adipose Tissue No drug interventions Not Available Not Available completed NCT00005184
Immunogenetic Factors of Coronary Heart Disease No drug interventions Not Available Not Available completed NCT01997554
Validation of a New TSH Test No drug interventions diagnostic Not Available completed NCT02567877
Is Levothyroxine Alone Adequate Thyroid Hormone Replacement? Not Available Not Available terminated NCT04795947
Correlation Between Thyroid Function and Quality of Life in Hypothyroidism No drug interventions Not Available Not Available unknown_status NCT03627611
Identification of Non-responders to Levothyroxine Therapy treatment 2 completed NCT05240911
Individual Dosing of Levothyroxine After Thyroidectomy treatment Not Available unknown_status NCT06455371
Patient-centered Dosage of Levothyroxine No drug interventions treatment Not Available not_yet_recruiting NCT01848171
Effects of L-thyroxine Replacement on Serum Lipid and Atherosclerosis in Hypothyroidism treatment 4 unknown_status NCT02499471
Brown Adipose Tissue Activity and Thyroid Hormone No drug interventions basic_science Not Available completed NCT03631771
Pediatric Risk of Hypothyroidism With Iodinated Contrast Media other 4 withdrawn NCT01536678
Bioequivalence of Two Levothyroxine Tablet Formulations in Healthy Indian Volunteers Not Available 4 completed NCT02512978
Thyroid Hormone Replacement for Hypothyroidism and Acute Myocardial Infarction(ThyroHeart-AMI) treatment 4 unknown_status NCT05733078
Effect of Vitamin C Supplementation in Patients With Primary Hypothyroidism treatment 2 recruiting NCT03977207
A Randomized Controlled Trial of Thyroid Hormone Supplementation in Hemodialysis Patients treatment Not Available recruiting NCT06408909
Pharmacist Role in Thyroid Disorders No drug interventions health_services_research Not Available completed NCT05708456
The Effect of Mobile Application on Hypothyroid Patients No drug interventions supportive_care Not Available recruiting NCT04782856
Energy Metabolism in Thyroidectomized Patients treatment 2 completed NCT03926585
Variations in the DIO2 and MCT10 Genes and Effect of Triiodothyronine Treatment No drug interventions Not Available Not Available completed NCT02548715
Levothyroxine Treatment for Subclinical Hypothyroidism After Head and Neck Surgery treatment 2 / 3 withdrawn NCT01921452
Study to Verify Clinical Utility of Point-of-Care (POC) Thyroid Stimulating Hormone (TSH) Test Kits as Compared to Third Generation TSH Test Kit No drug interventions diagnostic 4 completed NCT00001159
Natural History of Thyroid Function Disorders No drug interventions Not Available Not Available recruiting NCT00206375
Growth Hormone and GnRH Agonist in Adolescents With Acquired Hypothyroidism treatment 4 terminated NCT04747275
Use of Liquid Stable Levothyroxine in Trisomy 21 Pediatric Patients other 4 terminated NCT06083636
Improvement of Laboratory Diagnostics in Hypothyroid Patients Using Levothyroxine No drug interventions Not Available Not Available recruiting NCT01358136
ThyrOp: A Study of Individual Subclinical Hypothyroidism After Hemithyroidectomy for Benign Nontoxic Goiter No drug interventions Not Available Not Available unknown_status NCT05143918
Quality of Life Among Egyptian Hypothyroid Patients No drug interventions Not Available Not Available unknown_status NCT03988517
Comparing Two-time Points of Thyroid Hormone Replacement During the Holy Month of Ramadan No drug interventions treatment Not Available completed NCT05033496
The Yield of Postnatal Thyroid Function Test in the Well Baby Nursery No drug interventions Not Available Not Available completed NCT00818896
Maternal Hypothyroidism in Pregnancy No drug interventions Not Available Not Available completed NCT00111735
Thyroxine Titration Study treatment 4 unknown_status NCT00001730
Study of Radioiodine (131-I) Uptake Following Administration of Thyrogen and Hypothyroid States During Thyroid Hormone Withdrawal. treatment 4 completed NCT00205348
Swallowing Function Before and After Surgery for Thyroid Goiter No drug interventions Not Available Not Available completed NCT04831957
Hypothyroidism After the TAVI Procedure in Elderly Patients No drug interventions diagnostic Not Available recruiting NCT01769157
Effects of L-carnitine on Hypothyroidism treatment 4 completed NCT01050465
MedlinePlus Health Prescriptions: Developing a Pragmatic Approach for Clinic Use No drug interventions Not Available Not Available completed NCT06015620
Comorbidities Resolution After MGB Surgery and Change in Body Composition No drug interventions Not Available Not Available recruiting NCT05247476
Type 2 Deiodinase Gene Polymorphism and the Treatment of Hypothyroidism Caused by Thyroidectomy in Thyroid Cancer Patients. treatment 4 unknown_status NCT05070091
The Impact of Pituitary-thyroid and Pituitary-adrenal Axes Function on COVID-19 Clinical Course. No drug interventions Not Available Not Available completed NCT04098991
Improving White Matter Integrity With Thyroid Hormone Not Available Not Available completed NCT05385029
Fetal and Neonatal Thyroid in Pregnancies With Severe Acute Respiratory Syndrome Coronavirus 2 ( SARS- COV2 ) COVID-19 Not Available Not Available completed NCT03180892
Non-immune Related Hypothyroidism in Iodine Sufficient Area No drug interventions Not Available Not Available completed NCT00287144
Post Partum Thyroiditis 2: Long Term Observations No drug interventions Not Available Not Available withdrawn NCT00488644
Combined Levothyroxine/Liothyronine Supplementation in Hypothyroid Patients With Brain Tumors treatment Not Available terminated NCT02467244
Effect of Levothyroxine on Serum Adiponectin, Insulin Resistance and Cardiovascular Risk in Patients With Hypothyroidism Not Available Not Available completed NCT01145040
NOMOTHETICOS: Nonlinear Modelling of Thyroid Hormones' Effect on Thyrotropin Incretion in Confirmed Open-loop Situation No drug interventions Not Available Not Available unknown_status NCT02577367
Mean Percentage of Levothyroxine Dosage Increase in Patients With Hypothyroidism Started on Enteral Feeding treatment 4 withdrawn NCT03342001
Hypothyroidism Treated With Calcitonin treatment 4 completed NCT00715572
Combined Therapy With L-Thyroxine and L-Triiodothyronine Compared to L-Thyroxine Alone treatment Not Available completed NCT05421468
Timing of Thyroxine Dose In Ramadan No drug interventions treatment Not Available unknown_status NCT02891668
Hypothyroidism, Metabolism and Quality of Life - Focus on QOL, REE, Cognitive Function and Body Composition Not Available Not Available completed NCT06179368
Throid Dysfunction in Liver Failure and Its Eddects Upon Outcome No drug interventions Not Available Not Available recruiting NCT04806269
Biosignals by Wearables in Thyroid Dysfunction No drug interventions Not Available Not Available recruiting NCT01831869
Effect of L-Thyroxine on Lipid Profiles and Atherosclerosis in Subclinical Hypothyroidism treatment 4 unknown_status NCT01744769
Effects of Thyroid Hormone Withdrawal on Metabolic Parameters During Radioactive Iodine Therapy in Thyroid Cancer No drug interventions Not Available Not Available unknown_status NCT05823012
Study of XP-8121 For the Treatment of Adult Subjects With Hypothyroidism treatment 2 completed NCT05821881
REduction of LEvothyroxine in Adults; a SElf Controlled Study No drug interventions Not Available Not Available active_not_recruiting NCT06583395
Quest to Analyze One Thousand Humans Meditating No drug interventions Not Available Not Available enrolling_by_invitation NCT02190214
Thyroid Disorders in Malaysia: A Nationwide Multicentre Study No drug interventions Not Available Not Available completed NCT04878614
Comparison of Levothyroxine Formulation in Hypothyroid Patients With Enteral Feeding treatment 4 terminated NCT02005250
Bone Structure and Strength Evaluated by Extreme-CT Scan Before and After Treatment of Hyper- and Hypothyroidism No drug interventions Not Available Not Available completed NCT01105923
Study of an Intervention to Improve Problem List Accuracy and Use No drug interventions diagnostic Not Available unknown_status NCT03612908
TSHβX1 and D2 THR92ALA in Pregnancy No drug interventions Not Available Not Available completed NCT04784208
A Study to Determine the Validity and Sensitivity of 'Questionnaire to Screen for HYpothyroidism' (Q'SHY) No drug interventions Not Available Not Available unknown_status NCT01744743
Preconceptional Thyroid Screening and Childhood Nerocognitive Function No drug interventions prevention Not Available unknown_status NCT06205303
Interventional Study to Improve Medication Adherence Using Patient Decision Aid No drug interventions supportive_care Not Available recruiting NCT05314790
Management of Patients With Diagnosis of Hypothyroidism, as Hospitalized and as Outpatients, in Internal Medicine Units: Observational Study Before & After Educational Programme No drug interventions Not Available Not Available completed NCT00565864
Neurocognitive and Metabolic Effects of Mild Hypothyroidism treatment 4 completed NCT03754621
Upper Limit for TSH of First and Second Trimester Pregnancy in Turkey No drug interventions Not Available Not Available unknown_status NCT00230802
Thyroid Hormone Dose Adjustment in Pregnancy treatment Not Available completed NCT00336102
Thyroid Dysfunction in Women With Newly Diagnosed Breast Cancer Compared to Healthy Volunteers No drug interventions Not Available Not Available completed NCT02094079
Monitoring and Evaluation of the Levothyroxin Replacement Therapy in Pregnant Women With Hypothyroidism No drug interventions Not Available Not Available completed NCT05412979
A Study Evaluating the Safety and Efficacy of Hormone Replacement Therapy With ST-1891 Compared to Levothyroxine in Patients With Primary Hypothyroidism treatment 2 completed NCT01801033
Effects of Thyroid Hormone Enzyme Blocking on Hypothyroidism No drug interventions Not Available Not Available withdrawn NCT06096454
Effect of Life Style Modification and Metformin on Hypothyroidism With Insulin Resistance treatment 4 not_yet_recruiting NCT05581147
Thyroid Function and Structure IN Klinefelter Syndrome No drug interventions Not Available Not Available completed NCT04124705
A Study of Armour® Thyroid Compared to Synthetic T4 (Levothyroxine) in Previously Hypothyroid Participants treatment 2 completed NCT01197183
Observational Study With Prospective and/or Retrospective Follow-up, Without Modifying Patient Treatment and Follow-up Practices for the Initial Treatment of Hypothyroidism in France No drug interventions Not Available Not Available completed NCT02766283
Observational Study on Hypothyroidism in Young Children Following Iodine Contrast Exposure No drug interventions Not Available Not Available completed NCT05334771
Early Detection of Endolymphatic Hydrops in Hypothyroid Patients No drug interventions Not Available Not Available not_yet_recruiting NCT02689609
Post-radiation Hypothyroidism After IMRT for Nasopharyngeal Carcinoma No drug interventions Not Available Not Available completed NCT01707056
The Effect of Coffee on the Absorption of Thyroid Hormone in Patients With Thyroid Carcinoma No drug interventions treatment Not Available withdrawn NCT03053115
Combined Replacement Therapy With Levothyroxine and Liothyronine in Thyroidectomized Patients treatment 2 / 3 completed NCT00094237
Subclinical Thyroid Dysfunction and Risk of Myocardial Infarction and Stroke No drug interventions Not Available Not Available completed NCT04236232
The Impact of Subclinical Hypothyroidism on Cardiovascular System No drug interventions Not Available Not Available unknown_status NCT06268600
The Protection of Thyroid Function in IMRT for Nasopharyngeal Carcinoma No drug interventions treatment Not Available recruiting NCT01204359
The Prospective Study of Standard Treatment of Graves Disease Iodine 131 and Prevention of Adverse Reactions No drug interventions prevention 3 unknown_status NCT03823859
Metabolomics of Thyroid Hormones No drug interventions Not Available Not Available completed NCT01379170
Thyroid Study Type 2 Diabetes Mellitus (T2DM) basic_science 4 unknown_status NCT04332770
Biosignals by Wearable Devices in Hypothyroidism No drug interventions Not Available Not Available completed NCT02710799
Evaluation of the Effects of Teleconsultations on a Endocrinology Referral List No drug interventions health_services_research Not Available completed NCT03779906
Thyroid Function of Pediatric Subjects Following Isovue® Administration other 4 active_not_recruiting NCT01800617
A Study of T3 Therapy in Patients With Hypothyroidism treatment 2 completed NCT00770016
Insulin Sensitivity and Metabolism Before and After Treatment in Patients With Hypothyroidism basic_science Not Available terminated NCT03496363
Hypothyroidism With Congenital Heart Disease (CHD) No drug interventions Not Available Not Available unknown_status NCT03095963
Interaction Between Levothyroxine and Probiotics in Hypothyroid Patients other Not Available completed NCT02917863
Randomized Crossover Trial for the Evaluation of the Possible Effects in the Intestine of Two Different Pharmaceutical Forms of L - Thyroxine in Patients With Primary Acquired Hypothyroidism Not Available 4 unknown_status NCT06345339
A Study to Assess the Safety and Efficacy of Oral Armour Thyroid Compared to Synthetic T4 for the Treatment of Primary Hypothyroidism in Adult Participants treatment 2 / 3 recruiting NCT04860622
Normal Range of TSH and FT4 in Pregnancy No drug interventions Not Available Not Available completed NCT04648722
Higher Levothyroxine Requirements After Right-side Hemithyroidectomy No drug interventions Not Available Not Available completed NCT04528225
A Prospective Study of Hypothyroidism After Radiotherapy for Breast Cancer No drug interventions Not Available Not Available completed NCT05015725
The Relationship Between Serum rT3 Concentrations, T3/T4 Ratio, and Symptoms/Quality of Life in Treated Hypothyroid Patients No drug interventions Not Available Not Available completed NCT02280330
Iodine Status of Preschoolers Given Micronutrient Powder for 6 Months No drug interventions supportive_care 4 completed NCT02317926
Desiccated Thyroid Extract Versus Synthetic T3/T4 Combination (ThyrolarTM) Versus L-T4 Alone in the Therapy of Primary Hypothyroidism With Special Attention to the Gene Polymorphism treatment Not Available unknown_status NCT03257566
Hypothyroidism in Patients With Type 1 Diabetes No drug interventions Not Available Not Available unknown_status NCT06566066
Register for Patients With Thyroid Hormone Resistance. No drug interventions Not Available Not Available recruiting NCT05975866
The Effects of an Anti-inflammatory Diet With or Without Curcumin Supplementation on Anthropometric Measurements, Concentrations of Thyroid Hormones, Anti-TPO, and Systemic Inflammation in Plasma and NFK-B in Peripheral Blood Mononuclear Cells in Patients With Hashimato No drug interventions supportive_care Not Available not_yet_recruiting NCT06073665
Dosing of LT4 in Older Individuals treatment 4 recruiting NCT04877665
Establishing RIs for TSH in Children Under the Age of Two Years No drug interventions Not Available Not Available completed NCT02301520
Vitamin D, Iodine, and Lead Levels in Haitian Infants and Children. No drug interventions Not Available Not Available completed NCT05760131
Awareness of Osteoporosis in Patients With Hypothyroidism No drug interventions Not Available Not Available not_yet_recruiting NCT02959827
Iodinated Contrast Agents and Risk of Hypothyroidism in Young Children in the United States No drug interventions Not Available Not Available completed NCT03465176
The Effect of Aroma on Fatigue Scores Among Women With Hypothyroidism No drug interventions treatment Not Available completed NCT00747760
TSH Receptor Mutations Among a Consanguineous Community No drug interventions Not Available Not Available completed NCT02993562
Hypothyroidism, Metabolism and Food Intake Not Available Not Available completed NCT04682340
Analysis of BPA Concentration in Serum in Women of Reproductive Age With Autoimmune Thyroid Disease No drug interventions Not Available Not Available completed NCT01916304
Study of Dose Adjustment From Levothyroxine to a New Levothyroxine Sodium Test Formulation treatment 2 completed NCT01862510
Detection of Celiac Disease in Patients With Hypothyroidism No drug interventions Not Available Not Available completed NCT01647750
Study of Optimal Replacement of Thyroxine in the Elderly treatment 4 completed NCT06452823
Efficacy and Safety of Catheter Ablation of Atrial Fibrillation in Patients With Thyroid Hormone Stabilization No drug interventions Not Available Not Available enrolling_by_invitation NCT00524238
Metabolic Changes in Hypothyroid Patients basic_science Not Available completed