Clinical trials: Parathyroid Hormone
Down Syndrome, Edwards Syndrome
Whole Blood Specimen Collection From Pregnant Subjects
To obtain whole blood specimens from pregnant subjects to be used for research and development and clinical validation studies of prenatal assays.
- Conditions
- Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome
- Trial name
- NCT02430584
- Testing
- Observational - no intervention
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Progenity, Inc.
Hypoparathyroidism, Hyperparathyroidism
Corticosteroid Rhythms in Hypoparathyroid Patients
The investigators hypothesise that parathyroid hormon (PTH) depletion interferes with normal activity of the hypothalamus-pituitary-adrenal (HPA)-axis and the renin-angiotensin-aldosterone-system (RAAS), which in turn may impact…
- Trial name
- NCT02986607
- Testing
- parathyroid hormon 1-84
- Where
- Norway
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Bergen
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Pituitary ACTH Hypersecretion, Acromegaly
Vitamin D Metabolism in Patients With Endocrine Disorders
This prospective controlled interventional study aims to reveal the diversity of vitamin D metabolism in patients with certain endocrine disorders (Cushing's disease, acromegaly, primary hyperparathyroidism, diabetes mellitus…
- Conditions
- Pituitary ACTH Hypersecretion, Acromegaly, Diabetes Mellitus, Type 1, Primary Hyperparathyroidism
- Trial name
- NCT04844164
- Testing
- Cholecalciferol 15000 UNT/ML Oral Solution
- Where
- Russia
- Volunteers
- 261 people, healthy volunteers welcome
- Sponsor
- Endocrinology Research Centre, Moscow
Obesity and Obesity-related Medical Conditions, Diabetes
Routine Validation and Reproducibility Testing of Laboratory Assays and Research Techniques Used for Endocrine, Cardiometabolic, and Musculoskeletal Disorder Research (VALD)
The purpose of this research study is to validate (check the accuracy of) laboratory assays, intravenous catheter insertion, and equipment or devices and their reproducibility, which is necessary to perform high quality research…
- Conditions
- Obesity and Obesity-related Medical Conditions, Diabetes, Atherosclerotic Disease, Heart Failure
- Trial name
- VALD (NCT07083557)
- Testing
- Endothelial cell collection
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Bettina Mittendorfer
Implant
The Impact of Parathyroid Hormone (PTH) on Craniofacial Osseous Regeneration in Bone
Good bone healing and bone build-up are necessary for the success of dental implants. Research in animals and humans has shown that a drug, called Forteo, can increase bone build-up and bone strength over time.
- Trial name
- NCT01279187
- Testing
- Teriparatide
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Renal Insufficiency, Chronic, Renal Osteodystrophy
Kidney Yin/Yang Replenishment on Patients With Renal Osteodystrophy
Patients with serious chronic renal insufficiency usually develop secondary osteoporosis or bone loss, especially those with chronic dialysis, and the degree of bone loss is corrected with decrease of renal function.
- Trial name
- NCT01665651
- Testing
- Yougui granules, Zuogui granules
- Where
- 3 sites in China
- Volunteers
- healthy volunteers welcome
- Sponsor
- Bing Shu
Hypoparathyroidism, Pseudo Hypoparathyroidism
QoL and Cognitive Function in Patients With Hypoparathyroidism
Hypoparathyroidism (HypoPT) is a disease with inadequate production of parathyroid hormone (PTH) from the parathyroid glands leading to hypocalcemia.
- Trial name
- MR-hypoPT (NCT04569604)
- Testing
- MRI scans, Neuro cognitive tests, Questionnaires on Quality of Life
- Where
- Denmark
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
22Q11 Deletion Syndrome
Mindfulness Program for Adolescents With 22q11DS
The goal of this study is to evaluate the effectiveness of the Aware Program, an online mindfulness education program, with adolescents with 22q11DS and their parents.
- Trial name
- NCT05849441
- Testing
- Aware Program
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Innovation Research & Training
Fragile X Syndrome, Angelman Syndrome
Parent and Infant Inter(X)Action Intervention (PIXI)
The objective is to develop and test, through an iterative process, an intervention to address and support the development of infants with a confirmed diagnosis of a neurogenetic disorder with associated developmental delays or…
- Conditions
- Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Dup15Q Syndrome
- Trial name
- NCT03836300
- Testing
- Parent-Infant Inter(X)action Intervention (PIXI)
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- RTI International
Thoracic Diseases, Parathyroid Diseases
Interference of Biotin Supplementation in Biotin-streptavidin Platforms for Hormone Testing
The B vitamin biotin is widely available as an over the counter supplement, often advertised and used to promote health of hair, skin and nails.
- Trial name
- NCT03034707
- Testing
- biotin
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Parathyroid Tumor, Primary Hyperparathyroidism
Parathyroid Tumor Clonal Status
To define the frequency of monoclonal-X and polyclonal-X tumors in hyperparathyroid disorders patients having PTX and to define the relationship between parathyroid tumor clonal status and multiple gland neoplasia (MGN), we will…
- Conditions
- Parathyroid Tumor, Primary Hyperparathyroidism, Secondary Hyperparathyroidism (SHPT), Tertiary Hyperparathyroidism
- Trial name
- NCT05997810
- Where
- United States
- Volunteers
- 839 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Hypoparathyroidism
Hypoparathyroidism in Denmark
The purpose of this study is to identify the number of persons in Denmark with the diagnose hypoparathyroidism, autosomal dominant hypocalcaemia or pseudohypoparathyroidism.
- Trial name
- HypoPT (NCT01498341)
- Where
- Denmark
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Chronic Kidney Disease Mineral and Bone Disorder
Phosphorus Absorption in Healthy Adults and in Patients With Moderate Chronic Kidney Disease
Chronic kidney disease (CKD) affects approximately 26 million Americans with many more at risk for disease development. Elevated serum phosphorus (P) and related abnormalities in P homeostasis due to progressive loss of kidney…
- Trial name
- NCT03108222
- Testing
- Phosphorus Absorption Test
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Purdue University
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
Chronic Kidney Disease-Mineral and Bone Disorder
To Investigate the Bone and Muscle Abnormalities in Patients With Chronic Kidney Disease With MRI
Patients with chronic kidney disease (CKD) have a higher risk of fractures than those without. The purpose of this study is to develop a non-invasive Magnetic resonance imaging (MRI) method that can improve fracture risk…
- Trial name
- NCT04564924
- Testing
- DXA
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Tongji Hospital
Neuroendocrine Neoplasm, Neuroendocrine Neoplasm of Gastrointestinal Tract
Genetic Bases of Neuroendocrine Neoplasms in Mexican Patients
Neuroendocrine neoplasms (NENs) are a heterogeneous group of lesions derived from cells with the ability to produce hormones that may arise from multiple different organs.
- Conditions
- Neuroendocrine Neoplasm, Neuroendocrine Neoplasm of Gastrointestinal Tract, Neuroendocrine Neoplasm of Lung, Thymic Neuroendocrine Neoplasm
- Trial name
- NCT06523582
- Where
- 3 sites in Mexico
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- Universidad Nacional Autonoma de Mexico
Chronic-kidney Disease Stage 5D on Stable Hemodialysis
A Study to Investigate the Safety, Tolerability, and Pharmacokinetics of VS 105
The purpose of the study is to evaluate the safety, tolerability, and PK following single and multiple ascending dose administration of VS-105 in healthy subjects and patients with chronic kidney disease stage 5D (CKD-5D) on…
- Trial name
- NCT03043482
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Vidasym, Inc.
Hyperparathyroidism, Primary, Parathyroidectomy
Alterations in Muscle's Functional Characteristics After Parathyroid Surgery for Primary Hyperparathyroidism.
Protocol title: Alterations in functional characteristics of the muscle tissue following surgery for primary hyperparathyroidism.
- Trial name
- NCT03091140
- Where
- Greece
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Osteoporosis, Osteopenia
Does Treatment of Hypovitaminosis D Increase Calcium Absorption?
The purpose is to perform a one-year study designed to assess whether treatment of hypovitaminosis D increases intestinal absorption of calcium, subsequent retention of calcium within bone, decreases bone turnover, and favorably…
- Conditions
- Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism
- Trial name
- NCT00581828
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison