Clinical trials: Parathyroid Hormone
Osteoporosis, Secondary Hyperparathyroidism
Calcium and Vitamin D Malnutrition in Elderly Women
This study is designed to test whether calcium supplementation alone or calcium plus vitamin D reduces the incidence of fractures, reduces high parathyroid secretory activity, and halts bone loss in a population-based sample of…
- Trial name
- NCT00352170
- Testing
- calcium supplementation, calcium and vitamin D3 supplementation
- Volunteers
- 1,180 people, healthy volunteers welcome
- Sponsor
- Creighton University
Primary Hyperparathyroidism, Bone Diseases, Metabolic
Radius Loading in Primary Hyperparathyroidism
The purpose of the study is to determine the effect of forearm exercise on forearm bone density in post-menopausal women with or without primary hyperparathyroidism.
- Conditions
- Primary Hyperparathyroidism, Bone Diseases, Metabolic, Osteoporosis, Postmenopausal, Bone Loss, Postmenopausal
- Trial name
- NCT01571843
- Testing
- Forearm exercise program, Walking program
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Columbia University
Chromosome 22q11.2 Deletion Syndrome
Genetics and Psychopathology in the 22q11 Deletion Syndrome
The purposes of this study are to: 1. study the nature and longitudinal course of psychiatric symptoms in children with the 22q11.2 deletion syndrome and 2. identify genes that contribute to the occurrence of these symptoms.
- Trial name
- NCT00161109
- Where
- 2 sites in United States, Netherlands
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- UMC Utrecht
Chronic Kidney Failure, Secondary Hyperparathyroidism
Paricalcitol Oral Therapy in Predialysis CKD Patients. The Greek Experience
The purpose of this study is to obtain data on the use of Zemplar (paricalcitol) capsules in real-life clinical practice in predialysis patients with chronic kidney disease (CKD) and secondary hyperparathyroidism.
- Trial name
- PROTECT (NCT01083186)
- Where
- 24 sites in Greece
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- AbbVie (prior sponsor, Abbott)
Thyroid Cancer, Thyroid and Parathyroid Surgery
The Effect of Head Position on the Optik Nerve Sheath Diameter in Patients During Thyroid Surgery
THE EFFECT OF HEAD POSİTİON ON THE OPTİC NERVE SHEATH DİAMETER İN PATİENTS DURİNG THYROİD SURGERY
- Conditions
- Thyroid Cancer, Thyroid and Parathyroid Surgery, Thyroid Adenoma
- Trial name
- NCT07298187
- Where
- Turkey (Türkiye)
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Istanbul University - Cerrahpasa
Hyperparathyroidism, Chronic Kidney Disease
Sevelamer and Secondary Hyperparathyroidism in Chronic Kidney Disease
The hypothesis underlying this study is that phosphate interferes with PTH-mediated calcium reabsorption in the distal nephron and thereby necessitates supranormal [PTH]to maintain normocalcemia in chronic kidney disease.
- Trial name
- NCT01191762
- Testing
- sevelamer carbonate
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Kenneth R. Phelps, M.D.
Phosphorus and Calcium Disorders, Parathyroid Diseases
Serum Calcium to Phosphorous (Ca/P) Ratio in the Diagnosis of Ca-P Metabolism Disorders: a Multicentre Study
Primary hyperparathyroidism (PHPT) and Hypoparathyroidism (HP) are two of the most frequent disorder of Calcium-Phosphorus (Ca-P) metabolism.
- Conditions
- Phosphorus and Calcium Disorders, Parathyroid Diseases, Hyperparathyroidism, Hypoparathyroidism
- Trial name
- NCT03747029
- Testing
- No intervention is provided
- Where
- Italy
- Volunteers
- 1,038 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliero-Universitaria di Modena
Primary Hyperparathyroidism
Effects of Parathyroidectomy on Cardiovascular Risk Factors in Primary Hyperparathyroidism
Primary hyperparathyroidism (PHPT) is associated with increased cardiovascular morbidity. The benefit of surgical treatment in this respect is unclear.
- Trial name
- NCT01057732
- Where
- Israel
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- HaEmek Medical Center, Israel
COVID-19 Infection, Parathyroid Gland
The Status of Parathyroid Hormone Secretion in Covid-19 Patients
COVID-19 infection causes a hypersensitive immune reaction and widespread inflammation in various organs of the body, especially through cytokines in the lungs.
- Conditions
- COVID-19 Infection, Parathyroid Gland, Parathyroid Hormone, Calcium
- Trial name
- NCT04662437
- Testing
- Venous blood was collected for biochemistry testing
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Hyperparathyroidism, Hypercalcemia
Oral Peptones Load in Normocalcemic and Hypercalcemic Primary Hyperparathyroidism and Healthy Subjects
The purpose of this study is to assess if subjects with hyperparathyroidism with normal serum calcium levels have different responses in the calcium regulating hormonal handling compared to a) patients with primary…
- Trial name
- NCT01042626
- Testing
- Oral peptones load
- Where
- Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Eastern Piedmont
Secondary Hyperparathyroidism, Hypocalcemia
Bioequivalency Study of Calcitriol Tablets Under Fasting Conditions
The objective of this study was to assess the bioequivalence of Roxane Laboratories' Calcitriol capsules, 0.25 mcg, to ROCALTROL® capsules, 0.25 mcg (Roche) using a single-dose, 2-treatment, 2-period, crossover design, under…
- Trial name
- NCT00601328
- Testing
- Calcitriol
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Roxane Laboratories
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
Thyroid Diseases, Parathyroid Diseases
Ropivacaine Plus Magnesium Sulphate Infiltration
In the domain of endocrine gland surgery, thyroidectomy is the most common procedure. Patients report moderate to severe discomfort postoperatively, which is induced by a variety of mechanisms, the most common of which are…
- Conditions
- Thyroid Diseases, Parathyroid Diseases, Postoperative Pain, Anesthesia, Local
- Trial name
- NCT05294393
- Testing
- Ropivacaine 10%, Ropivacaine 10% plus magnesium sulphate 10mg/kg
- Where
- Greece
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Hypoparathyroidism
Predicting Risk Factors of Postoperative Hypocalcemia After Total Thyroidectomy
With increasing economic pressures to shorten the length of hospital stay, there has been much recent interest in studying risk factors for the development of postoperative hypocalcemia.
- Trial name
- NCT04372225
- Testing
- analysis of hypocalcemia
- Where
- France
- Volunteers
- 477 people, healthy volunteers welcome
- Sponsor
- Aix Marseille Université
22q11 Deletion Syndrome, DiGeorge Syndrome
SNP-based Microdeletion and Aneuploidy RegisTry (SMART)
This multi-center prospective observational study is designed to track birth outcomes and perinatal correlates to the Panorama prenatal screening test in the general population among ten thousand women who present clinically and…
- Conditions
- 22q11 Deletion Syndrome, DiGeorge Syndrome, Trisomy 21, Trisomy 18
- Trial name
- SMART (NCT02381457)
- Where
- 21 sites in United States, Australia and 4 more
- Volunteers
- 20,960 people, healthy volunteers welcome
- Sponsor
- Natera, Inc.
Chronic Kidney Disease Mineral and Bone Disorder
Calcium Balance Studies in Children With CKD and on Dialysis
This is a novel, non-invasive method of assessing Ca balance by natural Ca isotope fractionation.
- Trial name
- Cal-Bal (NCT03285854)
- Testing
- Collection of blood, urine and stool samples
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Great Ormond Street Hospital for Children NHS Foundation Trust
Osteoporosis, Osteoporosis, Postmenopausal
3-Week Parathyroid Hormone-related Protein (PTHrP) Dose Escalation Study in Post-Menopausal Women
The main purpose of this study is to determine the safety and effectiveness of three week daily subcutaneous injections of Parathyroid Hormone-related Protein (1-36).
- Trial name
- NCT00222872
- Testing
- Parathyroid Hormone-related Protein
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Osteoporosis, Humoral Hypercalcemia of Malignancy
One Week Parathyroid Hormone-related Protein (PTHrP) IV Dose Escalation Study
This is a dose escalation study to determine the maximum tolerable dose of Parathyroid Hormone-related Protein, PTHrP, that can be given safely over one week.
- Conditions
- Osteoporosis, Humoral Hypercalcemia of Malignancy, Hyperparathyroidism
- Trial name
- NCT00580788
- Testing
- PTHrP (1-36)
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
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
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