Clinical trials: Calcium Metabolism Disorders
Calcinosis Cutis
Efficacy of Intralesional Sodium Thiosulfate Versus Intralesional Saline for Dystrophic and Idiopathic Calcinosis Cutis
The purpose of our research is to compare the effectiveness of 125mg/50ml sodium thiosulfate (STS) solution to normal saline (0.9% sodium chloride) when injected intralesionally for the treatment of calcinosis cutis.
- Trial name
- NCT03639779
- Testing
- Sodium Thiosulfate, Saline Solution
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Central Florida
Pseudohypoparathyroidism, Albright Hereditary Osteodystrophy
Early-onset Obesity and Cognitive Impairment in Children With Pseudohypoparathyroidism
Pseudohypoparathyroidism type 1a (PHP1a) is a rare disease that causes childhood obesity and learning difficulties. This study will investigate eating behaviors and perform cognitive testing on children with PHP1a.
- Trial name
- NCT02411461
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Osteoporosis, Sarcopenia
Effect of Potassium Bicarbonate Supplementation on Bone and Muscle in Older Adults
There is increasing evidence that the acid-base balance of diet plays an important role in the health of bones and muscles. An excess of acid in the body can result in calcium loss and muscle breakdown.
- Trial name
- NCT00357214
- Testing
- Potassium Bicarbonate, Sodium Bicarbonate, Potassium Chloride
- Where
- United States
- Volunteers
- 171 people, healthy volunteers welcome
- Sponsor
- Tufts University
Osteoporosis, Achlorhydria
Does Omeprazole Decrease Intestinal Calcium Absorption?
The purpose of this study is to measure the effect of omeprazole on intestinal calcium absorption in postmenopausal women.
- Conditions
- Osteoporosis, Achlorhydria, GERD, Hip Fracture
- Trial name
- NCT00582972
- Testing
- Omeprazole
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Osteoporosis
Effect of Soluble Corn Fiber Supplementation for 1 Year on Bone Metabolism in Adolescents
The primary aim of this proposal is to determine the effects of soluble corn fiber (SCF) supplementation for 1 year on bone metabolism in growing adolescents compared to controls.
- Trial name
- MetA-Bone (NCT02916862)
- Testing
- Soluble Corn Fiber (SCF) without Calcium, Soluble Corn Fiber (SCF) + Calcium
- Where
- United States
- Volunteers
- 177 people, healthy volunteers welcome
- Sponsor
- Florida International 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
Osteoporosis, Aging
Exercise Mode and Acute Bone Resorption
Endurance exercise is often recommended to improve cardiometabolic health and maintain bone health throughout life and to prevent osteoporotic fracture.
- Trial name
- NCT04815824
- Testing
- Exercise Mode
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Osteoporosis, Hypomagnesemia
Averting Complications of Proton Pump Inhibitor Therapy by Effervescent Calcium Magnesium Citrate
Proton pump inhibitors (PPIs) are widely used for the control of gastric ulcer-gastritis, erosive esophagitis (gastroesophageal reflux disease), peptic ulcer disease (duodenal ulcer), and heartburn.
- Trial name
- NCT03812380
- Testing
- EffCaMgCit
- Where
- United States
- Volunteers
- 62 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
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Obesity, Overweight
Effect of Calcium + Vitamin D Supplementation on Weight Management in Very-low Calcium Consumers
The purpose of the study is to determine whether calcium plus vitamin D supplementation is conducive to weight and fat loss during energy restriction in very-low calcium consumers.
- Trial name
- NCT01447433
- Testing
- Calcium Carbonate, Energy restriction
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Hypercholesterolemia
Actual Use Trial of Atorvastatin Calcium 10 mg
The purpose of this actual use study is to simulate the over the counter use of atorvastatin calcium 10 mg.
- Trial name
- NCT01964326
- Testing
- Atorvastatin calcium 10 mg
- Where
- 37 sites in United States
- Volunteers
- 1,311 people, healthy volunteers welcome
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Calcium Deficiency, Vitamin D Deficiency
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a newly developed calcium carbonate-vitamin D3 chewable tablet formulation increases the amount of calcium excreted in urine and decreases…
- Trial name
- Osteopro (NCT01639222)
- Testing
- Calcium 500 mg and Vitamin D3 800 IU, Low calcium meals
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Takeda
Bone Resorption, Osteoporosis
The Effect of Protein Supplementation on Bone Health in Healthy Older Men and Women
Women and men consuming a low protein diet may be at risk for bone loss. The purpose of this study is to determine whether a daily protein supplement will improve bone health among healthy older adults.
- Trial name
- NCT00421408
- Testing
- Whey protein supplement
- Where
- 2 sites in United States
- Volunteers
- 208 people, healthy volunteers welcome
- Sponsor
- Yale University
Glucose Intolerance, Type 2 Diabetes Mellitus
Vitamin D and Calcium Homeostasis for Prevention of Type 2 Diabetes
The purpose of the randomized trial is to quantify the effect of vitamin D and calcium supplementation on beta-cell function, insulin sensitivity, glucose tolerance and systemic inflammation and other cardiometabolic outcomes in…
- Conditions
- Glucose Intolerance, Type 2 Diabetes Mellitus, Metabolic Syndrome
- Trial name
- CaDDM (NCT00436475)
- Testing
- Vitamin D3 2,000 IU orally once daily, Calcium Carbonate 400 mg orally twice daily
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Tufts Medical Center
Osteoporosis, Osteopenia
Does Treatment of Hypovitaminosis D Increase Calcium Absorption?
The purpose is to perform a one-year study designed to assess whether treatment of hypovitaminosis D increases intestinal absorption of calcium, subsequent retention of calcium within bone, decreases bone turnover, and favorably…
- Conditions
- Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism
- Trial name
- NCT00581828
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Osteoporosis
PTH And Calcium Responses to Exercise in Older Adults Experiment 2 (PACE Sr. 2)
Declines in serum calcium during exercise may cause increases in markers of bone resorption. This study will determine if preventing the decline serum ionized calcium experienced at the onset of exercise through the use of a…
- Trial name
- NCT02580604
- Testing
- Calcium Chloride/Calcium Gluconate, Half-Normal Saline
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver