Clinical trials: Calcium Metabolism Disorders
Hypertension
Testing the Efficacy of Different Dosages of Lercanidipine to Reduce Hypertensive Blood Pressure in Normal Weight and Obese Patients
A double blind study to examine the safety and efficacy of different dosages of lercanidipine in normal weight and obese patients with hypertension
- Trial name
- NCT00160498
- Testing
- Lercanidipine
- Volunteers
- 180 people
- Sponsor
- UCB Pharma
Chronic Kidney Diseases, Hemodialysis Complication
Efficacy and Safety of Cholestyramine in the Management of Hyperphosphatemia in Adult Hemodialysis Patients
After the end of trial, we will examine if cholestyramine has a significant efficacy on reducing serum phosphate level in adult hemodialysis patients.
- Conditions
- Chronic Kidney Diseases, Hemodialysis Complication, Hyperphosphatemia
- Trial name
- NCT05577507
- Testing
- Cholestyramine Resin 4000 MG [Questran], Calcium Carbonate 500 MG Oral Tablet
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Ain Shams University
Hypophosphatemia, X-linked Hypophosphatemia
FGF23 and Angiotensin-(1-7) in Hypophosphatemia (GAP)
Hereditary hypophosphatemia encompasses rare genetic conditions characterized by renal phosphate wasting. Increased circulating levels of fibroblast growth factor 23 (FGF23), a key regulator of phosphorus metabolism, are critical…
- Conditions
- Hypophosphatemia, X-linked Hypophosphatemia, Renin-angiotensin System, Left Ventricular Hypertrophy
- Trial name
- GAP (NCT03489993)
- Testing
- Ang II and Ang-(1-7), FGF23 and klotho
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Wake Forest University Health Sciences
Obesity
Effect of Dietary Components on Gastrointestinal Side Effects Induced by Orlistat, a Lipase Inhibitor
The objective of the Orlifat trial is to investigate if dietary fibres from linseeds and dairy calcium (Capolac ®) may reduce gastrointestinal side effects related to increased fecal fat content, induced by treatment with Alli®…
- Trial name
- ORLIFAT (NCT01320228)
- Testing
- Control, Capolac, Flax fiber
- Where
- Denmark
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Pseudoxanthoma Elasticum
Biological Collection of Kidney Cells
Our objective is to obtain human induced pluripotent stem cells from urine samples of PXE patients for further proteomic and metabolomic studies and treatment screening.
- Trial name
- CRHiPS (NCT03364504)
- Testing
- urine collection
- Volunteers
- 10 people
- Sponsor
- University Hospital, Angers
Cardiovascular Diseases, Heart Diseases
Calcium Intake, Metabolism, and Gestational Blood Pressure
To determine if low dietary calcium intake and disturbances in maternal calcium metabolism were associated with increases in blood pressure in late pregnancy.
- Trial name
- NCT00005206
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Amyloidosis Cardiac, Aortic Stenosis, Severe
Analysis of Calcium Score of Severe Aortic Stenosis in Patients With and Without Cardiac Amyloidosis (CAUSATIVE Study)
The concomitant presence of cardiac amyloidosis (CA) in patients with aortic stenosis (AS) may challenge the estimation of stenosis degree.
- Trial name
- CAUSATIVE (NCT06066632)
- Where
- Italy
- Volunteers
- 480 people
- Sponsor
- University Hospital of Ferrara
Postpartum Hemorrhage, Pregnancy Related
Pharmacokinetic Equivalence of Calcium Gluconate and Calcium Chloride in Parturients
Calcium is a life saving medicine in the care of parturients. It has many important uses including treatment of hypocalcemia, treatment of magnesium toxicity, prevention of hypocalcemia during blood transfusion (of citrate…
- Conditions
- Postpartum Hemorrhage, Pregnancy Related, Hypocalcemia, Parturition Complication
- Trial name
- NCT05973747
- Testing
- Calcium Gluconate, Calcium chloride
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Stanford University
Bone Turnover Rate Disorder, Calcium Metabolism Disorders
Effects of Lansoprazole on Bone Turnover Markers
Use of proton pump inhibitors (PPI) has increased in recent years. There are concerns that PPIs have possible negative effects on bone metabolism.
- Trial name
- NCT04814316
- Testing
- Blood and urine specimens
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ataturk University
Autofluorescence, Thyroidectomy
Near-infrared Autofluorescence (NIRAF)-Guided Total Thyroidectomy: Impact in Low-volume, Non-parathyroid Institutions
Hypoparathyroidism is the most frequent complication in total thyroidectomy. The use of near-infrared autofluorescence (NIRAF) intraoperatively, seems to reduce the rate of transient hypoparathyroidism.
- Conditions
- Autofluorescence, Thyroidectomy, Hypoparathyroidism, Hypocalcemia
- Trial name
- NCT05043584
- Testing
- Fluobeam LX, Fluoptics, Grenoble, France
- Where
- 2 sites in Denmark
- Volunteers
- 78 people
- Sponsor
- Regional Hospital West Jutland
Parathyroid Cancer, Primary Hyperparathyroidism
Natural History Study of Parathyroid Disorders
Background: Parathyroid disorders are very common in the general population and include disorders of parathyroid excess, deficiency, or defects in parathyroid hormone (PTH) signaling.
- Conditions
- Parathyroid Cancer, Primary Hyperparathyroidism, Pseudohypoparathyroidism, Inheritable Bone Diseases
- Trial name
- NCT04969926
- Where
- United States
- Volunteers
- 3,000 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Hypophosphatemic Rickets
Milk Products in the Treatment of Hypophosphatemic Rickets
The aim of this study was to investigate the feasibility and efficacy of a high intake of milk and/or cheese products compared to phosphate tablets in patients with hypophosphatemic rickets when evaluating the S-phosphate levels…
- Trial name
- NCT03348644
- Testing
- Phosphate tablets., High cheese intake., High milk intake.
- Where
- Denmark
- Volunteers
- 7 people
- Sponsor
- University of Aarhus
X-linked Hypophosphatemia, Tumor-Induced Osteomalacia
Expanded Access to Burosumab
Individual patient expanded access requests may be considered for patients who have no other treatment options
- Trial name
- NCT03775187
- Testing
- Burosumab
- Sponsor
- Kyowa Kirin Co., Ltd.
Calcium Metabolism Disorders, Morbid Obesity
Effects of Sleeve Gastrectomy on Calcium Metabolism and the Skeleton
In this pre-post observational study, the investigators will enroll and follow a cohort of about 50 adults undergoing sleeve gastrectomy surgery for weight loss.
- Trial name
- NCT02778490
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- San Francisco Veterans Affairs Medical Center
Chronic Kidney Diseases, Chronic Kidney Disease-Mineral and Bone Disorder
Chinese CKD-MBD Prevalence Survey (CRISS-MBD)
This is a multi-center cross sectional epidemiological study. The purpose of this study is to investigate the prevalence of Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD) in Chinese population.
- Trial name
- NCT04714918
- Where
- 40 sites in China
- Volunteers
- 10,254 people
- Sponsor
- Limeng Chen
Vitamin D Deficiency
Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children
The purpose of this study is to determine if the vitamin D binding protein genotype influences circulating vitamin D levels and if it may have functional consequences on vitamin D activity.
- Trial name
- VitaD (NCT01050387)
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 193 people, healthy volunteers welcome
- Sponsor
- Yale University
Aortic Valve Stenosis, Aortic Valve Calcification
Safety and Performance of TAVI of Venus MedTech Aortic Valve Prosthesis
1. objectives Evaluate the performance of Venus MedTech aortic valve prosthesis intervention by femoral artery Evaluate safety and clinical benefit of percutaneous implantation of the Venue MedTech aortic valve prosthesis.
- Trial name
- Venus-A (NCT01683474)
- Testing
- Venus MedTech Aortic Valve Prosthesis
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Venus MedTech (HangZhou) Inc.
Primary Hyperoxaluria, Nephrocalcinosis
International Registry for Primary Hyperoxaluria
The purpose of this study is to collect medical information from a large number of patients in many areas of the world with primary hyperoxaluria.
- Conditions
- Primary Hyperoxaluria, Nephrocalcinosis, Kidney Stones
- Trial name
- NCT00875823
- Where
- 4 sites in United States
- Sponsor
- Mayo Clinic
Metabolic Disorder, End Stage Renal Disease
Rheopheresis as Adjuvant Treatment of Calciphylaxis
The investigators propose to set up a prospective randomized controlled trial to control the security and assess the efficacy of adjuvant treatment by rheopheresis in necrotizing-ulcered calciphylaxis in the hemodialysis…
- Conditions
- Metabolic Disorder, End Stage Renal Disease, Rare Diseases
- Trial name
- RHEO-CAL (NCT04654000)
- Testing
- Rheopheresis procedure
- Where
- 29 sites in France
- Volunteers
- 138 people
- Sponsor
- University Hospital, Lille
Calciphylaxis, Calcific Uremic Arteriolopathy
Evaluation of Vitamin K Supplementation for Calcific Uremic Arteriolopathy
Calcific uremic arteriolopathy a.k.a. calciphylaxis is a vascular calcification disorder seen in dialysis patients. Calcific uremic arteriolopathy has 60-80% one-year mortality and significant morbidity associated with…
- Trial name
- VitK-CUA (NCT02278692)
- Testing
- Vitamin K
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Massachusetts General Hospital