Clinical trials: Calcium and Vitamin D Deficiencies
Chronic Kidney Diseases, Hyperphosphatemia
Improving Phosphate Control in Children With CKD
Research goals: To explore the views and baseline knowledge of children and young people (CYP) with CKD and their caregivers to develop effective phosphate educational materials (PEM), adapted for age, and acknowledging different…
- Conditions
- Chronic Kidney Diseases, Hyperphosphatemia, Pediatric Kidney Disease, CKD-MBD
- Trial name
- IMPACT (NCT05439980)
- Testing
- Knowledge questionnaire, Focus groups
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- Great Ormond Street Hospital for Children NHS Foundation Trust
Hyperphosphatemia
The Effect of Oral Niacinamide on Serum Phosphorus Levels in Hemodialysis Patients
Elevated phosphorus levels are a common problem in dialysis patients. However, it is associated with an increase in death and hospitalizations.
- Trial name
- NCT00316472
- Testing
- Niacinamide
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Washington University School of Medicine
Hypocalcemia, Hypovitaminosis D
Calcium and Vitamin D Intakes in Children
Calcium (Ca2+) and vitamin D (VitD) play an important role in child health. Aims. The investigators evaluated the daily intake of Ca2+ and VitD in healthy children; and the efficacy of Ca2+ and VitD supplementation.
- Trial name
- NCT01638494
- Testing
- Colecalcium supplement
- Volunteers
- 184 people
- Sponsor
- Federico II University
Hypophosphatasia (HPP)
Retrospective, Non-interventional Natural History of Patients With Juvenile-onset Hypophosphatasia (HPP)
The purpose of this study is to characterize the natural history of HPP in patients with Juvenile-onset HPP.
- Trial name
- NCT02104219
- Where
- 19 sites in United States, Australia and 6 more
- Volunteers
- 32 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Secondary Hyperparathyroidism, Chronic Kidney Disease
The Effect of Diuretics on Mineral and Bone Disorder in Chronic Kidney Disease Patients
Chronic kidney disease (CKD) patients often have associated systemic hypertension due to volume retention, as one of the mechanisms, therefore the use of diuretics is widespread in this population.
- Trial name
- NCT03082742
- Testing
- Hydrochlorothiazide, Furosemide
- Where
- Brazil
- Volunteers
- 52 people
- Sponsor
- University of Sao Paulo General Hospital
Hypocalcemia, Hypoparathyroidism
Vitamin D Levels and Postoperative Hypocalcemia After Total Thyroidectomy
Hypocalcemia is one of the most frequent complications of total thyroidectomy, a procedure used for benign as well as malignant conditions of the thyroid gland. Postoperative hypocalcemia is usually caused by hypoparathyroidism.
- Conditions
- Hypocalcemia, Hypoparathyroidism, Vitamin D Deficiency, Thyroidectomy
- Trial name
- NCT01039714
- Where
- Greece
- Volunteers
- 200 people
- Sponsor
- Aristotle University Of Thessaloniki
Osteoporosis
The Relationship Between the Residual Renal Function and Osteoporosis Treatment
The relationship between osteoporosis drugs and kidney damage is unclear. In this study, we plan to reveal relationship between osteoporosis drugs and kidney damage.
- Trial name
- NCT02304887
- Testing
- Bis, SERM Teriparatide, Denosumab
- Where
- Japan
- Volunteers
- 1,000 people
- Sponsor
- Toshihiko Kono
Restless Leg Disorder, Renal Disease Bone
Cholecalciferol Supplementation in Restless Leg Syndrome in Patients With Chronic Kidney Disease
Restless leg syndrome (RLS) is sleep disorder characterized by an unpleasant feeling in the lower limbs, which can be accompanied by paresthesias, and need for urgent movement of the legs.
- Conditions
- Restless Leg Disorder, Renal Disease Bone, Renal Disease, End Stage, Hyperparathyroidism, Secondary
- Trial name
- RLS (NCT03063190)
- Testing
- Vitamin D
- Where
- Brazil
- Sponsor
- University of Sao Paulo General Hospital
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
Accidental Falls
The FREEDOM Study: a Randomised Controlled Trial of Sunlight and Calcium in Older People
The proposed study will determine the effect of a public health strategy (ie. increased sun light exposure and increased calcium intake) to reduce falls in older people in residential care using a randomised trial.
- Trial name
- NCT00322166
- Testing
- Sunlight, Sunlight and calcium, control
- Where
- Australia
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- University of Sydney
Hypocalcemia, Rickets
Studies With 1,25-Dihydroxycholecalciferol
Vitamin D in the diet undergoes changes in the liver and kidneys to several forms. Patients suffering from disorders with Vitamin D resistance are unable to absorb calcium from food.
- Trial name
- NCT00001151
- Testing
- 1,25-Dihydroxycholecalciferol
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
X-linked Hypophosphatemia (XLH)
Retrospective and Prospective Disease Progression and Quality of Life in XLH
There is limited empirical data documenting disease progression and impact on quality of life for patients with X-linked hypophosphatemia (XLH).
- Trial name
- NCT04049877
- Testing
- None - Observational study
- Where
- United Kingdom
- Volunteers
- 11 people
- Sponsor
- Medialis Ltd.
Chronic Kidney Disease Stage 5
Efficacy of Plant-protein Diets in Patients With Chronic Kidney Disease
The purpose of this study is to evaluate the efficacy of plant-protein diets for 12 weeks in patients with advanced chronic kidney disease.
- Trial name
- NCT05350098
- Testing
- Plant-protein Diets, Control Diets
- Where
- Japan
- Volunteers
- 40 people
- Sponsor
- Osaka University
X-Linked Hypophosphatemia
Long-Term Extension Study of KRN23 in Adult Subjects With X-Linked Hypophosphatemia (XLH)
The primary objectives of this study are to: Assess the long-term safety of KRN23 subcutaneous (SC) administration in adult subjects with XLH Assess the proportion of subjects achieving serum phosphorus levels in the normal range…
- Trial name
- NCT02312687
- Testing
- KRN23
- Where
- 5 sites in United States
- Volunteers
- 20 people
- Sponsor
- Kyowa Kirin, Inc.
Vitamin D Deficiency Due to Chronic Kidney Disease
Vitamin D in Dialysis Patients - Diagnostic and Therapeutic Management
The goal of this observational study is to learn about the effects of cholecalciferol administration, according to guidelines for the general population, on laboratory parameters of Chronic Kidney Disease-Mineral and Bone…
- Trial name
- NCT06571344
- Testing
- Cholecalciferol
- Where
- Poland
- Volunteers
- 160 people
- Sponsor
- Medical University of Gdansk
X-linked Hypophosphatemic Rickets/Osteomalacia
A Study of KRN23 in Subjects With X-linked Hypophosphatemic Rickets/Osteomalacia
The objective of this study is to assess the safety and tolerability of KRN23 after a single subcutaneous (SC) administration in subjects with X-linked hypophosphatemic rickets/osteomalacia (XLH) in Japan or Korea.
- Trial name
- NCT02181764
- Testing
- KRN23
- Where
- 2 sites in Japan, South Korea
- Volunteers
- 15 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Hypophosphatemic Rickets
Burosumab and 1-25 (OH) Vitamin D on Human Osteoclasts
Fibroblast growth factor 23 (FGF23) is the cornerstone of phosphate / calcium / vitamin D metabolism: it is synthesized mainly by osteocytes and acts as a Phosphating agent, inhibitor of dihydroxyvitamin D, and inhibitor of…
- Trial name
- HYPO-CLASTE (NCT04184661)
- Testing
- blood sample
- Where
- 3 sites in France
- Volunteers
- 52 people
- Sponsor
- Hospices Civils de Lyon
Chronic Kidney Disease, Renal Osteodystrophy
Serum Sclerostin Levels, Cardiovascular Parameters and Carpal Tunnel Syndrome in Maintenance Hemodialysis Patients
Sclerostin, the product of the SOST gene, located on chromosome 17, locus q11.2 in humans, was originally believed to be a non-classical Bone morphogenetic protein (BMP) antagonist.Sclerostin was recently identified as a…
- Conditions
- Chronic Kidney Disease, Renal Osteodystrophy, Left Ventricular Hypertrophy
- Trial name
- NCT01382966
- Where
- Turkey (Türkiye)
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- RFM Renal Treatment Services
Chronic Kidney Disease-Mineral and Bone Disorder
Relationship Between Serum 1,25-dihydroxy Vitamin D and Markers of Bone Metabolism in Renal Dysfunction Patients
This cross-sectional study was conducted, including those subjects tested for 1,25(OH)2D during Jan 2015-Dec 2021. Estimated glomerular filtration rate (eGFR) was calculated and subjects were classified into chronic kidney…
- Trial name
- NCT05399251
- Volunteers
- 1,553 people
- Sponsor
- Aga Khan University Hospital, Pakistan
Infant, Very Low Birth Weight, Calcium Deficiency
Identifying Vitamin D Deficiency in Very Low Birth Weight Infant (VLBW) Infants Part 2
This study is to determine the amount of vitamin D required for a very low birth weight infant to reach vitamin D sufficiency and achieve optimal calcium health and bone growth.
- Conditions
- Infant, Very Low Birth Weight, Calcium Deficiency, Vitamin D Deficiency
- Trial name
- NCT01363167
- Testing
- 400 IU Cholecalciferol- Vitamin D Daily
- Where
- 2 sites in United States
- Volunteers
- 68 people
- Sponsor
- Medical University of South Carolina