Clinical trials: Dietary Calcium Deficiency
Osteoporosis
Treatment of Calcium Deficiency in Young Women
This study looks at the effects of calcium supplementation on bone density in women in their third decade of life. We placed women aged 19-27 who take in low amounts of calcium in their diets in one of two groups.
- Trial name
- NCT00000426
- Testing
- Calcium supplement
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Creighton University
Chronic Kidney Diseases, Hypertension
Integrated Diagnosis and Treatment of CKD on Outcomes
Objective: To establish a study cohort and follow up of patients with CKD in our hospital, and evaluate the status of integrated CKD diagnosis and treatment according to guidelines in the real world, as well as the clinical…
- Conditions
- Chronic Kidney Diseases, Hypertension, Hyperglycemia, Hyperlipidemias
- Trial name
- NCT05242055
- Testing
- Integrated diagnosis and treatment for CKD
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Capital Medical University
Pseudohypoparathyroidism Type 1A, Albright Hereditary Osteodystrophy
Albright Hereditary Osteodystrophy: Natural History, Growth, and Cognitive/Behavioral Assessments
We, the researchers, are following the natural history of Albright hereditary osteodystrophy. We have found that growth hormone deficiency is very common in patients with pseudohypoparathyroidism type 1A, which falls under the…
- Conditions
- Pseudohypoparathyroidism Type 1A, Albright Hereditary Osteodystrophy, Pseudopseudohypoparathyroidism
- Trial name
- NCT00209235
- Testing
- Neurocognitive and psychosocial testing
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- Connecticut Children's Medical Center
Vitamin D Deficiency
Effects of Vitamin D Fortification on Vitamin D Metabolite Profiles and Status in Vitamin D Insufficient Individuals
This is a cross-sectional study designed to compare plasma/serum and urine vitamin D metabolite profiles of vitamin D sufficient and insufficient individuals. There are two phases of this study.
- Trial name
- VITD-2013 (NCT02422784)
- Testing
- Rooibos Iced-Tea (Control), Rooibos Tea - Vitamin D3, Rooibos Tea- Vitamin D3 & Calcium
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Manitoba
Osteomalacia
Serum Prolidase Activity and the Role of Leptin in Osteomalacia
Evaluation of the change of serum Prolidase and Leptin values in the diagnosis and follow-up of osteomalacia and its clinical usability
- Trial name
- NCT05716750
- Testing
- Vitamin D
- Volunteers
- 38 people
- Sponsor
- TUĞBA ŞAHBAZ
Chronic Kidney Disease, End Stage Kidney Disease
Pathogenesis of Compromised Bone Quality and Mechanics in Chronic Kidney Disease
Kidney disease patients have a variety of bone disorders that result in bone loss and fractures. The mechanisms of these bone disorders are not clear but may be related to abnormal modification of a bone protein known as…
- Conditions
- Chronic Kidney Disease, End Stage Kidney Disease, Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy
- Trial name
- NCT03626246
- Testing
- Kidney disease
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Columbia University
Secondary Hyperparathyroidism, Chronic Kidney Disease-Mineral and Bone Disorder
Injection of Teriparatide to Prevent Hypocalcemia After Parathyroidectomy in Dialysis Patients (TeriCa).
This is a pilot randomized controlled trial aimed to evaluate the effect of teriparatide on the clinical course of hypocalcemia after parathyroidectomy for secondary hyperparathyroidism in dialysis-dependent patients.
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease-Mineral and Bone Disorder, Dialysis, Hypocalcemia
- Trial name
- TeriCa (NCT04750460)
- Testing
- Teriparatide
- Where
- Russia
- Volunteers
- 20 people
- Sponsor
- Saint Petersburg State University, Russia
Insulin Resistance, Insulin Sensitivity
Calcium, Vitamin D and Metformin to Treat Insulin Resistance in Obese African American Adolescent Females
This is a feasibility study to examine the treatment with Metformin, vitamin D with calcium supplement for insulin resistance in obese, black, female teens.
- Conditions
- Insulin Resistance, Insulin Sensitivity, Obesity, Vitamin D Deficiency
- Trial name
- NCT01107808
- Testing
- Calcium and Vit D, Metformin, Vit D and Calcium
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
X-linked Hypophosphatemia (XLH)
Effective Dosing of Burosumab in XLH
X-linked hypophosphataemia (XLH) is a rare, hereditary condition. The genetic defect leads to low blood phosphate levels and vitamin D suppression. Phosphate is required for strong bones and teeth and to store energy in cells.
- Trial name
- NCT07183579
- Where
- United Kingdom
- Volunteers
- 120 people
- Sponsor
- University of Nottingham
Hyperphosphatemia
The Effect of Oral Niacinamide on Plasma Phosphorus Levels in Peritoneal Dialysis Patients
Hyperphosphatemia is common in the peritoneal dialysis population. Current strategies are insufficient to optimize phosphorus control.
- Trial name
- NCT00508885
- Testing
- Niacinamide
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Washington University School of Medicine
Lower Urinary Tract Symptoms, Vitamin D Deficiency
Uroflowmetry Results and Vitamin D Levels
The investigators aimed to evaluate the relationship between LUTS and vitamin D with uroflowmetry parameters in female patients. They found no relation between vitamin D levels and LUTS in respect to uroflowmetry.
- Conditions
- Lower Urinary Tract Symptoms, Vitamin D Deficiency, Calcium Deficiency
- Trial name
- NCT04405141
- Volunteers
- 186 people
- Sponsor
- Umraniye Education and Research Hospital
Crohn Disease, Vitamin D Deficiency
Effects of Supplementation of Vitamin D in Patients With Crohn's Disease
Thus, the aim of the current study is to assess the influence of vitamin D deficiency and, consequently, of serum calcium deficiency in the body composition, muscular activity, bone mineral density, fatigue, and exercise…
- Conditions
- Crohn Disease, Vitamin D Deficiency, Fatigue, Sarcopenia
- Trial name
- NCT02704624
- Testing
- Vitamin D
- Where
- Brazil
- Volunteers
- 110 people
- Sponsor
- Federal University of Juiz de Fora
Renal Osteodystrophy, Chronic Kidney Diseases
Precision Medicine Approaches to Renal Osteodystrophy
Treatment of renal osteodystrophy is impeded by the lack of practical and accurate tools to determine underlying bone turnover. Gold standard bone biopsy is not practical in the clinic for the vast majority of kidney disease…
- Conditions
- Renal Osteodystrophy, Chronic Kidney Diseases, CKD-MBD, Bone Turnover Rate Disorder
- Trial name
- PMaROD (NCT05880914)
- Testing
- miRNAseq analysis, Standard treatment for bone disorder
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Thomas Nickolas
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Pharmacokinetics and Efficacy of KRN23 in Adult Chinese Patients With XLH
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in adult Chinese patients with XLH
- Trial name
- NCT04842019
- Testing
- KRN23
- Where
- 5 sites in China
- Volunteers
- 18 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Nutrient Deficiency
Mineral and Enzyme Deficiency Diseases Associated With Nutritional Diseases in Society
Nutritional deficiency disease is a disease caused by nutritional deficiencies, including macronutrients and micronutrients. Macronutrient diseases are diseases caused by deficiency of protein, fat and carbohydrates.
- Trial name
- NCT04669106
- Testing
- laboratory clinical trial study
- Where
- Indonesia
- Volunteers
- 180 people
- Sponsor
- Universitas Sumatera Utara
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
End-Stage Renal Disease
Vitamin D3 Supplementation in Dialysis Patients
Vitamin D deficiency is highly prevalent among dialysis patients, and has been associated with cardiovascular risk factors such as increased aortic pulse wave velocity, blood pressure, inflammation, and brain natriuretic peptide.
- Trial name
- NCT01312714
- Testing
- Cholecalciferol
- Where
- Denmark
- Volunteers
- 64 people
- Sponsor
- Regional Hospital Holstebro
Ergocalciferol
Pilot Study: The Effect of Ergocalciferol on Plasma Mucin-1 Levels
To determine if a one-time oral administration of ergocalciferol results in a decline in plasma mucin-1 levels in healthy individuals and individuals with ADTKD-MUC1.
- Trial name
- NCT03747523
- Testing
- Ergocalciferol
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Asthma, Vitamin D Resistant Rickets
Assessment Of Vitamin D Role In The Pathogenesis Of Asthma In Vitamin D Resistent Patients
Research Title: Evaluation of airway reactivity, allergy and inflammatory mediators in exhaled breath condensate in vitamin D resistant rickets.
- Trial name
- NCT01578824
- Testing
- Methacholine Challenge Test
- Where
- Israel
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Osteoporosis, Aging
Vitamin D Supplementation in Older Women
The purpose of this study is to examine the effects of several doses of vitamin D on hormones related to bone, calcium absorption, bone density and muscle strength.
- Trial name
- VIDOS (NCT00472823)
- Testing
- Vitamin D3, Calcium Citrate (Citracal)
- Where
- United States
- Volunteers
- 273 people
- Sponsor
- Creighton University