Clinical trials: Levothyroxine
Brain Death
Thyroxine Replacement in Organ Donors
To compare oral versus intravenous administration of thyroid hormone: 1) for reversibility of hemodynamic instability in organ donors, and, 2) the pharmacokinetics of oral vs iv thyroid administration
- Trial name
- NCT00238030
- Testing
- L-thryoxine, iv thryoxine
- Where
- Canada
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Congenital Hypothyroidism
Targeted Levothyroxine Dosing in Infants With Congenital Hypothyroidism
This is a clinical study comparing targeted levothyroxine dosing based on thyroid anatomy as visualized on ultrasound (normal vs. ectopic/sublingual vs.
- Trial name
- NCT02374593
- Testing
- Levothyroxine, Ultrasound
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Erica Eugster
Intraventricular Hemorrhage of Prematurity
Thyroxine Treatment in Premature Infants With Intraventricular Hemorrhage
Brain bleed in premature infants damages the brain and survivors suffer from cerebral palsy (weakness in the extremities), cognitive deficits, and neurobehavioral disorders.
- Trial name
- IVHT4 (NCT03390530)
- Testing
- Thyroxine
- Where
- United States
- Sponsor
- Albert Einstein College of Medicine
Hypopituitarism
Central Hypothyroidism and Cardiovascular Risk
Retrospective trial of 300 patients with pituitary insufficiency treated in Department of Medica Endocrinology, Rigshospitalet, Copenhagen University concerning levothyroxine (T4) replacement and cardiovascular risk factors.
- Trial name
- NCT01574859
- Testing
- levothyroxine
- Where
- Denmark
- Volunteers
- 200 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
The Clinical Incidence of Low Triiodothyronine Syndrome
An Analysis of the Relative Risk for Low Triiodothyronine Syndrome in Patients With Chronic Radiation Enteritis
Radiation enteritis (RE) is by simple definition an inflammatory process occurring at the level of the intestines as a response to abdominal or pelvic radiation energy exposure.
- Trial name
- NCT02452073
- Testing
- Thyroid function tests
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Shengxian Fan
Subclinical Hypothyroidism, Hypothyroxinemia
Thyroid Therapy for Mild Thyroid Deficiency in Pregnancy
The purpose of this study is to determine whether treating women, who are diagnosed with a mild imbalance of thyroid hormones during pregnancy, with thyroid hormone replacement affects their children's intellectual development at…
- Conditions
- Subclinical Hypothyroidism, Hypothyroxinemia, Pregnancy
- Trial name
- TSH (NCT00388297)
- Testing
- Levothyroxine
- Where
- 14 sites in United States
- Volunteers
- 1,203 people, healthy volunteers welcome
- Sponsor
- The George Washington University Biostatistics Center
Child Development Disorders, Pregnancy
The Effect of Thyroid Hormone Levels in Pregnant Women on the Intelligence Quotient (IQ) of Their Children
This study is designed to test the hypothesis that the level of the thyroid hormone thyroxine (specifically, free thyroxine, FT4) circulating in the blood of pregnant women is the key thyroid-related factor to influence early…
- Conditions
- Child Development Disorders, Pregnancy, Subclinical Hypothyroidism
- Trial name
- NCT00147433
- Where
- United States
- Volunteers
- 5,000 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Brain Death, Heart Failure
Intravenous Thyroxine for Heart-Eligible Organ Donors
This randomized controlled trial will evaluate whether intravenous thyroxine infusion given to brain-dead organ donors who are eligible to donate hearts for 12 hours will result in more hearts transplanted than saline placebo
- Trial name
- NCT04415658
- Testing
- Thyroxine, Saline
- Where
- 14 sites in United States
- Volunteers
- 838 people
- Sponsor
- Washington University School of Medicine
Congenital Hypothyroidism
Use of Tirosint®-SOL or Tablet Formulations of Levothyroxine in Pediatric Patients With Congenital Hypothyroidism (CH)
This is a multi-center, prospective, parallel-group, open-label, randomized clinical study in one hundred and twenty-six (126) neonates and infants diagnosed with CH.
- Trial name
- NCT05228184
- Testing
- Tirosint®-SOL, Levothyroxine Sodium
- Where
- 10 sites in United States
- Volunteers
- 34 people
- Sponsor
- IBSA Institut Biochimique SA
Febrile Convulsion, Neuroendocrine Stress Response
Neuroendocrine Response in Pediatric Febrile Seizures
Febrile seizures are the most common seizure type in early childhood and usually occur during febrile illnesses. Although most febrile seizures are benign, the biological stress response during seizures is not fully understood.
- Conditions
- Febrile Convulsion, Neuroendocrine Stress Response, Fever
- Trial name
- NCT07463222
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Aydin Adnan Menderes University
Levothyroxine, Cardiac Function
Levothyroxine Treatment on Cardiac Function in Children With Subclinical Hypothyroidism
This study aims to evaluate the effect of the treatment with levothyroxine on cardiac function in children with subclinical hypothyroidism.
- Conditions
- Levothyroxine, Cardiac Function, Children, Subclinical Hypothyroidism
- Trial name
- NCT07393165
- Testing
- L-thyroxine
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Tanta University
Pregnancy, Hypothyroidism
Thyroid Hormone Dose Adjustment in Pregnancy
Our aim is to compare the safety and efficacy of 2 different empiric levothyroxine dose adjustment recommendations to be made at the first confirmation of pregnancy in women with a history of hypothyroidism.
- Trial name
- NCT00230802
- Testing
- Anticipatory dose increase of levothyroxine, levothyroxine
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Brigham and Women's Hospital
Transient Hypothyroxinemia of Prematurity
Neurodevelopmental Impact of Treatment in Hypothyroxinaemia of Prematurity.
Nowadays, taking care of preterm birth is associated with an important increase in survival. This increased survival comes with impairment in neurodevelopmental outcomes in long term evaluation.
- Trial name
- NEO-TYR (NCT06346236)
- Testing
- L-thyroxine at a dose of 7.5 µg/kg/d for THOP, THOP without treatment, NoTHOP
- Where
- 3 sites in France
- Volunteers
- 373 people
- Sponsor
- Hospices Civils de Lyon
Hypothyroidism, Hyperthyroidism
NOMOTHETICOS: Nonlinear Modelling of Thyroid Hormones' Effect on Thyrotropin Incretion in Confirmed Open-loop Situation
The NOMOTHETICOS study is a unicentric cross-sectional study for a quantitative analysis of feedback-inhibition in the thyrotropic homeostatic control.
- Trial name
- NOMOTHETICOS (NCT01145040)
- Where
- 3 sites in Germany
- Volunteers
- 138 people
- Sponsor
- Ruhr University of Bochum
Brain Dead Organ Donors
Evaluation of the Efficacy and Safety of Levothyroxine in Brain Death Organ Donors: a Randomized Controled Trial
The primary objective of this study is to evaluate the feasibility of a randomized controlled trial comparing levothyroxine to placebo in neurologically deceased donors
- Trial name
- ECHOT4 (NCT02211053)
- Testing
- Levothyroxine
- Where
- Canada
- Volunteers
- 15 people
- Sponsor
- Centre Integre Universitaire de Sante et Services Sociaux du Nord de l'ile de Montreal
Thyroid Cancer, Surgery
Thyroxine Replacement Therapy After Lobectomy for Low-risk Papillary Thyroid Carcinoma
Papillary thyroid carcinoma (PTC) is the most common thyroid cancer and has a good prognosis.According to the 2015 American thyroid association (ATA) guidelines, no gross extrathyroidal extension and the number of pathological…
- Conditions
- Thyroid Cancer, Surgery, Recurrence
- Trial name
- NCT06087068
- Testing
- Thyroxine
- Where
- China
- Volunteers
- 140 people
- Sponsor
- Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Hypothyroidism Primary, Lipid Disorder
Vitamin D & Levothyroxine Combination Versus Levothyroxine on Lipid Profile in Hypothyroidism
The goal of this clinical trial is to study the improvement of lipid levels in hypothyroid individuals after staring treatment. The main question it aims to answer is: whether adding Vitamin D to standard therapy has any…
- Conditions
- Hypothyroidism Primary, Lipid Disorder, Dyslipidemias
- Trial name
- ViDaLLiT (NCT06276205)
- Testing
- Vitamin D, Levothyroxin
- Where
- Pakistan
- Volunteers
- 62 people
- Sponsor
- King Edward Medical University
Congenital Hypothyroidism, L-Thyroxine
Diagnosis and Follow-up of Patients With Subclinical Hypothyroidism
Long term follow-up of the patients with delayed TSH elevation or subclinical hypothyroidism has been seldom reported. The purpose of this study was to explore the diagnostic criteria for subclinical hypothyroidism and the…
- Conditions
- Congenital Hypothyroidism, L-Thyroxine, Follow-Up
- Trial name
- CHRO1 (NCT00497575)
- Sponsor
- Zhejiang University
Euthyroid Sick Syndrome
Levothyroxine for Children With Euthyroid Sick Syndrome
The purpose of this study is to determine whether levothyroxine is effective and safe in the treatment of children with euthyroid sick syndrome, hospitalized in a pediatric intensive care unit.
- Trial name
- NCT01631305
- Testing
- Levothyroxine, Calcium magnesia
- Where
- Mexico
- Volunteers
- 80 people
- Sponsor
- Sinaloa Pediatric Hospital