Clinical trials: Hormone Deficiency
Growth Hormone Deficiency
Growth Hormone's Effect on the Cardiovascular System
To evaluate specific markers of cardiovascular risk before and after growth hormone replacement therapy in a population of growth hormone deficient adults, as compared to an age, gender, and BMI-matched healthy population.
- Trial name
- NCT00397319
- Testing
- Growth Hormone
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Growth Hormone Deficiency
Sexually Dimorphic Effects of GHRH in Adult Growth Hormone Testing
Specific Aim 1 Healthy male and female subjects and growth hormone (GH) deficient subjects display sexually dimorphic GH responses to GHRH administration Specific Aim 2 GH responses to GHRH in both healthy controls and in GH…
- Trial name
- NCT00324064
- Testing
- GHRH/arginine stimulation testing
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Children's Mercy Hospital Kansas City
Hiv, Hormone Therapy
Emtricitabine/Tenofovir Alafenamide Switch Study for Transgender Individuals for HIV Pre-exposure Prophylaxis
The purpose of this study is to evaluate Pre-Exposure Prophylaxis (PrEP) levels in transgender-identifying or gender non-binary individuals taking versus not taking gender affirming hormone therapy.
- Trial name
- TAF4TRANS (NCT04616963)
- Testing
- Emtricitabine / Tenofovir Disoproxil Oral Tablet 200/300 mg, Emtricitabine Tenofovir Alafenamide 200/25 mg
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Calcium Deficiency, Vitamin D Deficiency
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a newly developed calcium carbonate-vitamin D3 chewable tablet formulation increases the amount of calcium excreted in urine and decreases…
- Trial name
- Osteopro (NCT01639222)
- Testing
- Calcium 500 mg and Vitamin D3 800 IU, Low calcium meals
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Takeda
Polycystic Ovary Syndrome, Vitamin D Deficiency
Vitamin D Increases Serum Levels of the Soluble Receptor for Advanced Glycation End Products in Women With PCOS
The purpose of this study is to investigate the mechanism that explain the beneficial clinical effect of vitamin D treatment in women with PCOS.
- Trial name
- NCT03644212
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Maimonides Medical Center
Iodine Deficiency, Thyroid
Iodine Impact on Thyroid Function and Psychomotor Development, Observational Study in the Portuguese Minho Region
Full intellectual capabilities are achieved only if crucial nutrients are present during development. Iodine deficiency is the most common cause of preventable brain harm in infants.
- Conditions
- Iodine Deficiency, Thyroid, Pregnancy Related, Psychomotor Impairment
- Trial name
- IodineMinho (NCT04288531)
- Testing
- Iodine supplementation
- Where
- 10 sites in Portugal
- Volunteers
- 304 people, healthy volunteers welcome
- Sponsor
- University of Minho
Adult Growth Hormone Deficiency, Hypothalamic-pituitary Disorders
The Glucagon Stimulation Test for Evaluation of Adult Growth Hormone Deficiency and Adrenocorticotropic Axis
The purpose of this study is to find out if the Glucagon Stimulation Test (GST) is a reliable alternative to the Insulin Tolerance Test (ITT) for diagnosis of Growth Hormone Deficiency (GHD) and adrenal insufficiency.
- Trial name
- GST (NCT01282164)
- Testing
- Glucagon stimulation test and insulin tolerance test
- Where
- 4 sites in United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Obesity, Vitamin D Deficiency
Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients
As the use of bariatric surgery for treatment of extreme obesity adults continues to rise, clinicians must be aware of pre-existing nutritional deficiencies in overweight and obese patients.
- Trial name
- NCT01385098
- Testing
- Vitamin D3 and Calcium
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Vadim Sherman, MD
Short Stature, Growth Hormone Deficiency
The IGFBP-3 Stimulation Test: A New Tool for the Diagnosis of Growth Hormone Deficiency in Children.
This project is designed to answer the question: Is there an acute IGFBP-3 response in normal children? Our specific hypothesis states that under the influence of growth hormone secretagogues, intact IGFBP-3 molecule will undergo…
- Trial name
- NCT00235599
- Testing
- IGFBP-3 Stimulation Test
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Massachusetts, Worcester
Urethral Stricture, Male, Hormone Deficiency
Urethral Stricture After Transurethral Resection of the Prostate/Bladder: a Prospective Study of Risk Factors
There is currently no prognostic or predictive risk marker for this urethral stricture disease. The most conservative standard treatment for urethral stricture (internal urethrotomy) has a very high recurrence rate (greater than…
- Conditions
- Urethral Stricture, Male, Hormone Deficiency, Fibrosis
- Trial name
- STRICT-TURP (NCT04795570)
- Testing
- Transurethral resection of the prostate or bladder
- Where
- Spain
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University Hospital Virgen de las Nieves
Pediatric Growth Hormone Deficiency (PGHD)
A Bioavailability Study of Two Different PEG-rhGH Preparations.
The purpose of this study is to compare the pharmacokinetics of the two different PEG-rhGH preparations.
- Trial name
- NCT06385145
- Testing
- PEG-rhGH with new preparation (T), PEG-rhGH with present preparation (R)
- Where
- China
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Changchun GeneScience Pharmaceutical Co., Ltd.
Vitamin D Deficiency, Secondary Hyperparathyroidism
Vitamin D Status in Males in Jerusalem Area and Its Correlation to Parathyroid Hormone (PTH) Level and Bone Mineral Density
Because of its high sun exposure, Israel was traditionally supposed to be protected from vitamin D deficiency, and the country food products hardly contain vitamin D supplements.
- Conditions
- Vitamin D Deficiency, Secondary Hyperparathyroidism, Osteomalacia
- Trial name
- NCT01025128
- Testing
- 25 OH vitamin D
- Where
- Israel
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Clalit Health Services
Growth Hormone Deficiency With Pituitary Anomalies
Validation of Macimorelin as a Test for Adult Growth Hormone Deficiency
The Macimorelin Growth Hormone Stimulation Test (GHST) will be compared with the Insulin Tolerance Test (ITT) in an open-label, randomized, 2-way crossover Trial.
- Trial name
- NCT02558829
- Testing
- Macimorelin, Insulin
- Where
- 27 sites in United States, Austria and 7 more
- Volunteers
- 157 people, healthy volunteers welcome
- Sponsor
- AEterna Zentaris
Diagnosis of GHD With IGF-I/IGFBP-3 Ratio
Growth Hormone (GH) Deficiency & Insulin Like Growth Factor 1 (IGF-I)/ Insulin Like Growth Factor Binding Protein 3 (IGFBP-3) Ratio
A 35-month cross-sectional observational study was conducted at an outpatient university hospital in Amman, Jordan. We obtained a comprehensive medical and laboratory evaluation for 134 short-statured children (64 boys and 70…
- Trial name
- NCT02424240
- Testing
- IGF-1/IGFBP-3 ratio
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- University of Jordan