Clinical trials: Calcium Metabolism Disorders
Hypoparathyroidism, Pseudo Hypoparathyroidism
QoL and Cognitive Function in Patients With Hypoparathyroidism
Hypoparathyroidism (HypoPT) is a disease with inadequate production of parathyroid hormone (PTH) from the parathyroid glands leading to hypocalcemia.
- Trial name
- MR-hypoPT (NCT04569604)
- Testing
- MRI scans, Neuro cognitive tests, Questionnaires on Quality of Life
- Where
- Denmark
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Thyroid Diseases, Hypocalcemia
Use of Prophylactic Steroids in the Prevention of Post-thyroidectomy Hypocalcaemia and Voice Dysfunction
Total thyroidectomy for benign surgical pathologies is associated with risks related to temporary hypocalcaemia and vocal quality dysfunction.
- Conditions
- Thyroid Diseases, Hypocalcemia, Vocal Cord Dysfunction
- Trial name
- NCT04752852
- Testing
- Dexamethasone
- Volunteers
- 192 people, healthy volunteers welcome
- Sponsor
- Holy Family Hospital, Pakistan
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
Healthy, Adult
Understanding Effects of Calcium on the Gut-Bone Axis
The study team is inviting 13 healthy people to complete a study to explore how calcium affects hormones and bones after eating. Participants will be asked to complete two study visits within eight weeks.
- Conditions
- Healthy, Adult, Calcium, Bone Resorption
- Trial name
- NCT06383117
- Testing
- Calcium carbonate
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Georgia
Osteoporosis
Building Better Bones in Children
Calcium is important for healthy bone growth in children. Poor bone growth and development during childhood can lead to osteoporosis later in life.
- Trial name
- NCT00063037
- Testing
- Behavioral modification - nutrition education
- Where
- United States
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
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
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
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
Hypercholesterolemia
Study on the Effect of the Intake of a Calcium-bicarbonate Water on Cholesterol Levels
The goal of this study is to evaluate the hypolipidemic effect (reduction of Low Density Lipoprotein Cholesterol "LDL-C" values) of calcium-bicarbonate mineral water "Lete" (alkaline water, high in bicarbonate and calcium ions…
- Trial name
- NCT07026266
- Testing
- Water
- Where
- Italy
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Società Generale delle Acque Minerali S.p.A.
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
Osteoporosis
The Postprandial Calcium Absorption of a Milk Derived Calcium Permeate - RENEW Acute Study
This is a randomized controlled cross-over meal study with the overall aim to investigate the postprandial calcium absorption from calcium permeate compared with calcium carbonate.
- Trial name
- NCT04550078
- Testing
- Calcium Carbonate, Calcium Permeate
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Inge Tetens
Healthy
Effects of Supradyn® Energy 3RDA on Fatigue/Stress, Substrate Metabolism During Exercise and Demanding Cognitive Tasks
Investigation of the acute and chronic effects of Supradyn® Energy 3RDA on subjective ratings of 'fatigue/stress', substrate metabolism and blood biomarkers of recovery, as a consequence of exercise and metabolically demanding…
- Trial name
- NCT03003442
- Testing
- Supradyn® Energy 3RDA
- Where
- United Kingdom
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Hypertension, Vitamin D Deficiency
Blood Pressure in Blacks and Calcium (BBC) and Vitamin D Study
Adequate levels of vitamin D are essential for bone health at all ages but low levels of vitamin D may also negatively impact other aspects of health such as blood pressure.
- Trial name
- BBC (NCT03070483)
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Loyola University
Osteopenia, Osteoporosis
A Study of Changes in Bone Mineral Density as a Function of Consuming Two Different Forms of Calcium Carbonate
The purpose of this study is to determine whether consuming calcium carbonate that has been micronized is more effective than the traditional form of calcium carbonate in maintaining or increasing bone mineral density in people…
- Trial name
- NCT01857154
- Testing
- Micronized Calcium Carbonate, Non-Micronized Calcium Carbonate, Vitamin D3
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Integrative Health Technologies, Inc.
Nutritional Rickets
Vitamin D and Genetics in Nutritional Rickets
The purpose of this study is: 1. To compare the response of rickets to calcium with and without vitamin D. 2. To assess whether vitamin D increases calcium absorption in calcium deficiency rickets. 3.
- Trial name
- NCT00949832
- Testing
- Vitamin D + Calcium, Calcium, Vitamin D2
- Where
- Nigeria
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Diabetes Mellitus, Type 2, Overweight
Influence of JY09 on Pharmacokinetics of Metformin , Rosuvastatin , and Digoxin and the QT Interval Study in Overweight Chinese Subjects
This trial is conducted in china. The aim of the trial is as follows: To assess the effect of multiple subcutaneous injections of JY09 injection on the pharmacokinetic (PK) profile of multiple oral doses of metformin…
- Trial name
- NCT06247748
- Testing
- Exendin-4 Fc fusion protein (JY09) injection, Metformin Hydrochloride tablet, Rosuvastatin calcium tablets
- Where
- China
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Beijing Dongfang Biotech Co., Ltd.
Obesity
Calcium and Lipid Metabolism
We hope to determine if supplementing the diet of women who habitually consume low levels of calcium, with 1500 mg of calcium a day for three months will increase fat oxidation and decrease fat storage.
- Trial name
- NCT00686192
- Testing
- Calcium Carbonate
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Chronic Kidney Disease (Stage 3-4), Chronic Kidney Disease Mineral and Bone Disorder
Phosphate Assessment in Chronic Kidney Disease Patients Study
The proposed pilot feeding study aims to explore novel pathways in phosphate metabolism and identify new biomarkers, as well as to develop a compound index for assessing phosphate overload with high validity and reliability.
- Trial name
- PACK (NCT07368946)
- Testing
- Dietary Phosphorus Intake
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Osteoporosis
The Effect of Protein on Calcium Absorption and Gastric Acid Production
We have established that dietary protein is an important regulator of intestinal calcium absorption in humans. However, we do not understand the mechanism by which dietary protein is affecting calcium absorption.
- Trial name
- NCT00719160
- Testing
- esomeprazole
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Yale University