Clinical trials: Phosphorus
Calcium-phosphorus Metabolism
Study of the Impact of Phosphate Supplementation on FGF23 Concentrations in Patients With Hypophosphatemia
Fibroblast growth factor 23 (FGF23) is the principal hormone regulating serum phosphate homeostasis. Secreted by osteocytes, it promotes renal phosphate excretion and suppresses the synthesis of 1,25-dihydroxyvitamin D.
- Trial name
- PHOSPHO-23 (NCT07827989)
- Testing
- Blood sample
- Where
- 3 sites in France
- Volunteers
- 60 people
- Sponsor
- University Hospital, Clermont-Ferrand
Peri Implant Mucositis, Peri Implant Bone Loss
Local and Systemic Inflammatory Bone Alterations Related to Dental Implant Survival.
Introduction: Dental implants offer a durable, aesthetic, and functional option for tooth replacement. However, they are not immune to failure.
- Conditions
- Peri Implant Mucositis, Peri Implant Bone Loss, Peri Implantitis, Calcium Deficiency
- Trial name
- NCT07766707
- Where
- Spain
- Volunteers
- 192 people
- Sponsor
- University of Barcelona
Hyperphosphataemia, Phosphorus
Phosphate Diet Strategies to Lower Blood Phosphate in Dialysis Patients
Raised phosphate levels in the blood (hyperphosphatemia) are frequently observed in hemodialysis patients with chronic kidney failure.
- Conditions
- Hyperphosphataemia, Phosphorus, Diet Therapy, Chronic Kidney Disease 5D
- Trial name
- NCT07180069
- Testing
- diet education
- Where
- Iraq
- Volunteers
- 200 people
- Sponsor
- Kufa University
Degenerative Heart Valve Disease, Heart Valve Calcification
Calcium-Phosphorus Regulation Therapy on Heart Valve Disease
The goal of this clinical trial is to learn if calcium-phosphorus regulation therapy can slow the progression of heart valve calcification in patients with degenerative heart valve disease and chronic kidney disease (CKD).
- Conditions
- Degenerative Heart Valve Disease, Heart Valve Calcification, Chronic Kidney Disease(CKD), Calcium-Phosphorus Metabolism Disorders
- Trial name
- NCT06660524
- Testing
- Sevelamer, Calcium carbonate
- Where
- China
- Volunteers
- 196 people
- Sponsor
- China National Center for Cardiovascular Diseases
Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder
Calcium and Phosphorus Whole-Body Balance and Kinetics in Patients With Moderate Chronic Kidney Disease
This pilot study aims to develop a method for simultaneous whole-body calcium and phosphorus balance and full kinetic modeling of both ions in patients with chronic kidney disease.
- Conditions
- Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder, Chronic Kidney Diseases
- Trial name
- NCT04019379
- Testing
- High Phosphorus Diet, Low Phosphorus Diet
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Minnesota
Phosphorus Metabolism Disorders, Acid-Base Balance Disorder
The Effect of Bicarbonate Profiling in Dialysis Fluid on Phosphate Removal During Hemodialysis and Blood pH
Hyperphosphatemia is still an unresolved problem among hemodialysis patients and significantly increases the risk of death from cardiovascular diseases.
- Trial name
- NCT05861700
- Testing
- Group 1: B) Dbic 35 -30 mmol/L C) Dbic 30- 35 mmol/L, Group 2: C) Dbic 30 -35 mmol/L B) Dbic 35- 30 mmol/L
- Where
- Poland
- Volunteers
- 20 people
- Sponsor
- Medical University of Warsaw
Bullosa Epidermolysis, Vitamin D Deficiency
Vitamin D Status and Bone Metabolism Status in Children With Congenital Epidermolysis Bullosa
This retrospective prospective study is aimed at studying the level of vitamin D supply and identifying markers of bone tissue remodeling in order to develop approaches to the prevention of osteopenia and osteoporosis in children…
- Conditions
- Bullosa Epidermolysis, Vitamin D Deficiency, Osteoporosis, Osteopenia
- Trial name
- NCT05141838
- Testing
- Vitamin D, Oral nutritional supplement
- Where
- Russia
- Volunteers
- 110 people
- Sponsor
- National Medical Research Center for Children's Health, Russian Federation
Hyperphosphatemia, End Stage Renal Disease
Ferric Citrate for the Treatment of Hyperphosphatemia in Patients With Chronic Kidney Disease Undergoing Hemodialysis
To evaluate the efficacy and safety of ferric citrate capsules for the treatment of hyperphosphatemia in patients with chronic kidney disease undergoing hemodialysis
- Conditions
- Hyperphosphatemia, End Stage Renal Disease, ESRD
- Trial name
- NCT03984760
- Testing
- Ferric Citrate, Sevelamer Carbonate
- Where
- 24 sites in China
- Volunteers
- 240 people
- Sponsor
- Panion & BF Biotech Inc.
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
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
Hyperphosphatemia, End Stage Renal Disease
A Randomized, Double-Blind, Placebo-Controlled Phase 3 Study of the Effects of Ferric Citrate in Subjects With End Stage Renal Disease
The purpose of the study is to determine the effect and optimum dose and evaluate the safety of ferric citrate, administered three times daily (TID) immediately after meals for a total daily dose of 4 or 6 grams for 56 days, on…
- Conditions
- Hyperphosphatemia, End Stage Renal Disease, ESRD
- Trial name
- NCT01503736
- Testing
- ferric citrate
- Where
- 5 sites in Taiwan
- Volunteers
- 183 people
- Sponsor
- Panion & BF Biotech Inc.
Kidney Failure, Chronic, End-stage Renal Disease
Assess the Safety and Efficacy of Nephoxil® in Subjects With End Stage Renal Disease (ESRD) on Dialysis
To assess the long-term safety and effectiveness of Nephoxil® for the treatment of hyperphosphatemia in patients with ESRD undergoing dialysis.
- Conditions
- Kidney Failure, Chronic, End-stage Renal Disease, Phosphorus Metabolism Disorders, Hyperphosphatemia
- Trial name
- NCT03256838
- Testing
- Ferric Citrate
- Where
- 9 sites in Taiwan
- Volunteers
- 202 people
- Sponsor
- Panion & BF Biotech Inc.
Phosphorus Metabolism Disorders
Dietary Phosphate and Serum Phosphorus
Overall study design is to review National Health and Nutrition Examination Survey (NHANES) data 1999-2008 for nutrition risk according to kidney function.
- Trial name
- NCT02435017
- Volunteers
- 7,895 people, healthy volunteers welcome
- Sponsor
- Linda W. Moore
Phosphorus and Calcium Disorders
Reliability of Serum Calcium to Phosphorus (Ca/P) Ratio as an Accurate and Inexpensive Tool to Define Disorders of Ca-P Metabolism
BACKGROUND: Primary hyperparathyroidism (PHPT) is the third most common endocrine disorder. The Ca/P ratio is an accurate tool to differentiate patients with PHPT (>3.5 if Ca and P are expressed in mg/dl) from healthy subjects.
- Trial name
- NCT03603444
- Testing
- No intervention are provided
- Where
- Italy
- Volunteers
- 606 people
- Sponsor
- Azienda Ospedaliero-Universitaria di Modena
Cardiac Surgery With Cardiopulmonary Bypass, Complete Serum Phosphorus Measure
Serum Phosphatemia Predictive Marker for AKI Diagnosis After Cardiac Surgery
Cardiac surgery associated acute kidney injury is an independent factor of morbidity and mortality . Despite its delayed elevation, serum creatinine (Cr) remains the goal standard to diagnose AKI.
- Conditions
- Cardiac Surgery With Cardiopulmonary Bypass, Complete Serum Phosphorus Measure, Complete Serum Creatinine Measure
- Trial name
- PhosphoIRA (NCT02900313)
- Testing
- cardiac surgery
- Where
- France
- Volunteers
- 264 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Healthy, Urine Phosphorus Excretion
A Study of ASP1585 to Evaluate the Bioequivalence Between ASP1585 Granules and ASP1585 Capsules
The purpose of this study is to assess the bioequivalence between ASP1585 granules and ASP1585 capsules after repeated oral administration of ASP1585 granules or ASP1585 capsules under open-label conditions in non-elderly healthy…
- Trial name
- NCT02531204
- Testing
- ASP1585
- Where
- Japan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Astellas Pharma Inc
Disorders of Phosphorus and Calcium Metabolism
The Relationship Between Ca Intake , Blood Level of Ca, PTH, TSH, Vitamin D, and Urine Ca, P and Cardiac Calcium Scoring
Osteoporosis (op) is a disorder of bone characterized by reduced mineral density and bone mass. The first step in the prevention and treatment of Op is ensuring adequate intake of calcium and vitamin D .
- Trial name
- TSHPTHCA (NCT02035033)
- Volunteers
- 500 people
- Sponsor
- Carmel Medical Center
Phosphorus Metabolism
Studying Phosphorus Metabolism
Phosphorus and phosphate irons play critical roles in bone structure and essential cellular functions. The purpose of this study is to learn more about the factors and hormones that regulate phosphorus in the body by collecting…
- Trial name
- NCT00066183
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)