Clinical trials: Phosphorus
Cardiovascular Risk Factor
Postprandial Response of Individuals to Dietary Inorganic Phosphate
The study aims to compare the postprandial response of plasma phosphate and cardiometabolic relevant factors to phosphate intake in defined diet(s).
- Trial name
- NCT03771924
- Testing
- inorganic phosphate
- Where
- Germany
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Martin-Luther-Universität Halle-Wittenberg
Osteogenesis Imperfecta, Rare Bone Disorders
Morphology in Oral Rare Syndromes & Artificial Intelligence for Clinical Diagnosis
MOSAIC aims to determine whether oro-dental morphological anomalies, particularly palatal morphology, associated with rare bone and cartilage diseases can be precisely characterized using 3D digital models analysed through…
- Conditions
- Osteogenesis Imperfecta, Rare Bone Disorders, Hypophosphatemia, X-Linked
- Trial name
- MOSAIC (NCT07666269)
- Testing
- intra-oral 3D optical impression
- Where
- France
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Healthy Adult
Nicotinamide Riboside, Vit B3 Analogue, and Brain Energy Metabolism
The goal of this clinical trial is to learn how nicotinamide riboside (NR), a form of vitamin B3, affects brain energy metabolism in healthy adults.
- Trial name
- NCT07649161
- Testing
- Niagen®
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Healthy, Chronic Kidney Diseases
Effect of the Consumption of Ferric Hydroxide Adipate on Urinary Phosphorus Excretion.
Ferric hydroxide adipate is a ferric iron supplement containing iron hydroxide and a dietary organic acid that was developed at MRC Human Nutrition Research.
- Trial name
- NCT01991574
- Testing
- Calcium acetate, Iron Hydroxide Adipate
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical Research Council
Energy Expenditure
Workload of Water Polo Players Following a Phosphorus Manipulated High Carbohydrate Meal
Phosphorus is a widely used sport supplement. Most athletes who use it follow a phosphorus loading approach which consists of a weeklong phosphorus intake of 3-4 gr per day for optimal effect.
- Trial name
- NCT03101215
- Testing
- phosphorus
- Where
- Lebanon
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
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
Kidney Failure, Chronic
Comparing Absorption of Dietary Phosphorus When Administering FOSRENOL® or RENVELA® in Healthy Adult Volunteers
The purpose of this study is to compare the absorption of dietary phosphorus following a single dose with lanthanum carbonate (1000mg) and a single dose of sevelamer carbonate (2400mg).
- Trial name
- NCT00875017
- Testing
- Lanthanum Carbonate, Sevelamer
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Shire
Hyperphosphatemia
Multicenter, Open, Prospective, 48 Weeks, Observational Study ,Evaluate the Safety and Efficacy of Nephoxil Capsule
The purpose of this study is to evaluate the safety and efficacy of Nephoxil capsule administration for the improvement of hyperphosphatemia in CKD patients undergoing hemodialysis under actual conditions of routine medical care.
- Trial name
- NCT06206135
- Testing
- the low-dose group (1.5 g/day) or the standard-dose group (4 g/day)
- Where
- South Korea
- Volunteers
- 172 people, healthy volunteers welcome
- Sponsor
- LG Chem
Body Weight
Effect of Phosphorus Supplementation on Body Weight
Phosphorus is a mineral that is naturally present in our foods and is required by our bodies for normal function. It has been found that phosphorus supplementation taken before meals has the potential to reduce meal size.
- Trial name
- NCT02329990
- Testing
- phosphorus
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
Healthy Volunteers
Effects of Soluble Phosphate in Humans
The study was conducted to investigate the effect of soluble phosphate in combination with different calcium doses on calcium and phosphorus metabolism and further physiological parameters in healthy subjects.
- Trial name
- NCT02095392
- Testing
- P1000/Ca0, P1000/Ca500, P1000/Ca1000
- Where
- Germany
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of Jena
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
Healthy
the Regulation of Phosphorus Homeostasis by Dietary Phosphorus Intake in Normal Men
The investigators have conducted the study about the effects of normal diet and low-phosphorus diet on phosphorus homeostasis in healthy subjects, now this study is designed to explore further about the effect of high-phosphorus…
- Trial name
- NCT03208075
- Testing
- normal diet, low-phosphorus diet, high-phosphorus diet
- Where
- China
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Huashan Hospital
Control
Racial Differences in Phosphorus Metabolism
The investigators aim to study potential racial differences in renal phosphorus handling by provocatively testing urinary phosphorus excretion using parathyroid hormone infusions in healthy white volunteers compared to healthy…
- Trial name
- NCT00856726
- Testing
- 1-34 parathyroid infusion
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Miami
Hyperphosphatemia
Post Marketing Surveillance Study to Observe Safety and Effectiveness of NEPHOXIL ® in S. Korea Patients
The objective of this post-marketing surveillance (PMS) study is to assess the safety and effectiveness of Nephoxil capsule 500 mg (Ferric Citrate 500 mg, equivalent to 105 mg Ferric Iron) in routine clinical settings
- Trial name
- NCT06186934
- Testing
- the standard-dose group (4 g/day)
- Where
- South Korea
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Kyowa Kirin Korea Co., Ltd.
Healthy
Healthy Combine Study
STUDY SUMMARY Title: EFFECTS OF NICOTINAMIDE AND LANTHANUM CARBONATE ON PHOSPHORUS HOMEOSTASIS Protocol Number:STU00090161 Phase: Phase 1, detailed physiologic study Methodology: double blind, randomized, placebo-controlled, 2x2…
- Trial name
- NCT03136705
- Testing
- Nicotinamide, Lanthanum Carbonate
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Northwestern University
X-linked Hypophosphatemia, Hereditary Hypophosphatemia
Characterising Pain, QoL, Body Composition, Arterial Stiffness, Muscles and Bones in Adult Persons With XLH and Healthy Controls
Hereditary hypophosphatemia (XLH) is a rare, inherited disease. Loss-of-function mutation in the phosphate regulating gene with homologies to endopeptidases on the X-chromosome (PHEX) results in excess fibroblast growth factor 23…
- Trial name
- NCT04273490
- Where
- Denmark
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Chronic Kidney Disease
Diurnal Variation of Uremic Solutes in Peritoneal Dialysis
Study on the daytime variation of uremic retention solutes and markers of bone-mineral metabolism in patients with end-stage kidney disease treated with peritoneal dialysis
- Trial name
- NCT01093456
- Where
- Belgium
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Hypophosphatemia, Familial, Rickets
Hypophosphatemic Rickets in Norway
The purpose of the study is to do a follow-up survey of all individuals with hereditary hypophosphatemia in Norway, focusing on manifestations in childhood and adolescence.
- Conditions
- Hypophosphatemia, Familial, Rickets, Hyperphosphatemia
- Trial name
- NCT01057186
- Testing
- Alfacalcidol; phosphate., Sevelamer
- Where
- Norway
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Haukeland University Hospital
Hyperphosphatemia
Velphoro and Impact on the Oral Cavity and Gut Microbiome
This pilot study will be carried out to determine if the regular intake of iron-based Velphoro® by hyperphosphatemia patients influences the microbiome in the oral cavity and/or the gut.
- Trial name
- MicrobiomEisen (NCT03409757)
- Testing
- Velphoro, saliva collection, Supragingival biofilm collection
- Where
- Germany
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- RWTH Aachen University
HIV Infections
Use of Muscle Spectroscopy to Evaluate Mitochondrial Dysfunction in HIV-Infected Patients
The purpose of this study is to see if magnetic resonance spectroscopy (MRS) can be used to detect damage to the mitochondria in HIV-infected patients taking nucleoside reverse transcriptase inhibitor (NRTI) drugs.
- Trial name
- NCT00036478
- Where
- 8 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)