Clinical trials: Hyperparathyroidism
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
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)
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
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
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, 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, Secondary Hyperparathyroidism
Characterization of Hyperparathyroidism and Vitamin D Deficiency in Obesity
Obese persons are known to have elevated levels of parathyroid hormone (PTH) and low levels of vitamin D. These hormones are important in regulation of the body's calcium stores and bone health.
- Conditions
- Vitamin D Deficiency, Secondary Hyperparathyroidism, Obesity
- Trial name
- NCT00288873
- Testing
- Ergocalciferol, Cholecalciferol
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
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
Familial Hypophosphatemic Rickets
Calcimimetics in Hypophosphatemic Rickets
Currently, large oral doses of phosphate and 1,25(OH)2D (calcitriol) are the standard treatment of patients with familial hypophosphatemic rickets (XLH).
- Trial name
- CHR (NCT00844740)
- Testing
- Cinacalcet
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Children's Mercy Hospital Kansas City
Hyperparathyroidism
The Renin-Angiotensin-Aldosterone System and Parathyroid Hormone Control: The RAAS-PARC Study
This study will evaluate whether commonly used blood pressure medications called "ACE inhibitors" can lower parathyroid hormone.
- Trial name
- RAAS-PARC (NCT01691781)
- Testing
- Lisinopril
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Hemodyalysis, Kidney Tansplant
Assessment of Mineral and Bone Disorders in Kidney Transplant Recipients
This study aims to integrate bone measurements (including bone turnover markers (BTM), bone mineral density (BMD) measurement, vertebral fracture assessment (VFA), trabecular bone score (TBS) ) commonly used in the general…
- Conditions
- Hemodyalysis, Kidney Tansplant, Osteoporosis, CKD-MBD - Chronic Kidney Disease Mineral and Bone Disorder
- Trial name
- NCT07141043
- Where
- Romania
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Grigore T. Popa University of Medicine and Pharmacy
Amino-Acid Transport Disorder, Primary Hyperparathyroidism
Amino Acid Transporter System PET/CT Imaging in AATS-Related Diseases
To evaluate the potential usefulness of 11C/18F-MET/FET positron emission tomography/ computed tomography (PET/CT) for the diagnosis of primary and metastatic lesions in various amino acid transporter system (AATS)-related…
- Conditions
- Amino-Acid Transport Disorder, Primary Hyperparathyroidism, Glioma
- Trial name
- NCT07379463
- Testing
- 11C/18F-MET/FET
- Where
- 3 sites in China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University
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
Parathyroid Hormone Suppression Test With Cinacalcet
Evaluation of a Cincalcet Suppression Test
The aim of the study is to compare the results of a parathyroid hormone (PTH)suppression test using a single oral tablet of cinacalcet in two groups of subjects: 1- a group of healthy adults in whom the results of the test with…
- Trial name
- NCT01103206
- Testing
- cinacalcet, cinacalcet dose 1, cinacalcet dose 2
- Where
- France
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University Hospital, Rouen
Vitamin D Deficiency, Hypocalcemia
Effect of Vitamin D Supplement on Disease Activity in SLE
To study the effect of vitamin D supplementation on disease activity of SLE ( SLEDAI-2K ) and IL-6 level
- Conditions
- Vitamin D Deficiency, Hypocalcemia, Hyperparathyroidism, Systemic Lupus Erythematosus (Disorder)
- Trial name
- NCT05260255
- Testing
- vitamin D2 ( calciferol )
- Where
- Thailand
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand