Clinical trials: Rickets
Phosphate Diabetes, X-linked Hypophosphatemia
Phosphorus-31 Spectroscopy in Phosphate Diabetes
Phosphate diabetes is defined by urinary phosphate wasting due to impaired tubular reabsorption. It can be classified based on either a genetic or acquired origin.
- Trial name
- Phos-ATP (NCT06921720)
- Testing
- intra-muscular ATP values in phosphate diabetes, intra-muscular phosphate values in phosphate diabetes
- Where
- 2 sites in France
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
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
Hypovitaminosis D, Cardiovascular Diseases
Effect of vitaminD3 or 25(OH)D3 Fortified Dairy on Vitmain D Status and CVD Risk Markers
This study aims to compare the acute effect of consuming milk and butter fortified with either vitamin D3 or 25 (OH) D3 on serum/plasma vitamin D status in humans.
- Trial name
- NCT02535910
- Testing
- vitamin D3, 25(OH) D3, Control
- Where
- United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Reading
Hypovitaminosis D
Importance of Dosing Regimen for the Effect of Vitamin D Supplementation
Vitamin D is a hormone with effects not only on the skeleton, but on most tissues in the body. Lack of vitamin D is associated with cardio-vascular disease (CVD), type 2 diabetes, cancer, infectious and immunological diseases, as…
- Trial name
- NCT03272126
- Testing
- Vitamin D
- Where
- Norway
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- University of Tromso
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Vitamin D2 Supplementation in Vitamin D Insufficiency
Optimal Doses of Ergocalciferol Supplementation for Treatment of Hypovitaminosis D in Adults
To investigate the optimal initial and maintenance doses of vitamin D2 supplementation for the treatment of vitamin D insufficiency in Thai adults, and to determine the prevalence of and risk factors for hypovitaminosis D among…
- Trial name
- NCT03228862
- Testing
- Ergocalciferol
- Where
- Thailand
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Vitamin D Deficiency, 25-Hydroxyvitamin D3 Deficiency, Selective
Effect of Vitamin D3 Supplementation in Children From 12 to 30 Months of Age.
Background Vitamin D (VD) is essential for calcium absorption, bone health and growth in children. In a national representative sample authors found mean serum concentration of 25-Hydroxi-Vitamin-D (25-OH-D) of 59 nmol/L, in…
- Trial name
- NCT03544671
- Testing
- Vitamin D
- Where
- Mexico
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Instituto Nacional de Salud Publica, Mexico
Vitamin D Deficiency Disease
Vitamin D Supplementation in Warfighters
A genomics-based approach will target specific genes that may explain the response in biomarkers and symptoms before and after supplementation.
- Trial name
- NCT02954549
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Madigan Army Medical Center
Vitamin D Deficiency
Cholecalciferol Supplementation, Muscle Strength
Hypovitaminosis D is common in Asian Indians despite plenty of sunshine and relates to their skin pigmentation and poor sunshine exposure.
- Trial name
- MRVD (NCT00682214)
- Testing
- Cholecalciferol
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Indian Council of Medical Research
Hypovitaminosis D
Vitamin D Status and the Adequacy of Vitamin D Intake in Early Preterm Infants
Vitamin D is an essential nutrient. Deficiency of vitamin D is widespread. The prevalence of vitamin D deficiency in early preterm infants is unknown.
- Trial name
- NCT01793402
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Hypovitaminosis D, Pregnancy Complications
Effect of Vitamin D Replacement on Maternal and Neonatal Outcomes
The optimal vitamin D replacement dose during pregnancy remains undefined. Therefore, the aim of this study is to test the hypothesis that a daily equivalent dose of vitamin D of 3,000 IU/day is needed for Middle Eastern women…
- Conditions
- Hypovitaminosis D, Pregnancy Complications, Infant, Newborn, Diseases
- Trial name
- NCT02434380
- Testing
- Euro D
- Where
- Lebanon
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
Vitamin D Deficiency
Vitamin D and Muscle Strength and Surface (Electromyography) EMG
Vitamin D deficiency is widely prevalent in India. Serum 25(OH)D levels are <20 ng /ml in up to 90% of them. Recently, in a randomized control trial, investigators have shown that dual cholecalciferol and calcium supplementation…
- Trial name
- NCT01190683
- Testing
- Cholecalciferol, Calcium Carbonate, cholecalciferol and calcium carbonate
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Indian Council of Medical Research
Vitamin D Status
Hypovitaminosis D Prediction Score
Vitamin D has effects on many tissues, and hypovitaminosis D is frequent. In a French survey conducted among 1587 adults, vitamin D insufficiency (<30ng/ml) has been reported in 80% of subjects, including 43% with moderate…
- Trial name
- SCOPYD (NCT02822651)
- Testing
- Blood sampling, self-administered questionnaire
- Where
- France
- Volunteers
- 2,592 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
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
Chronic Kidney Diseases
SOP's for CKD-MBD-Biomarkers
CKD-MBD (Chronic Kidney Disease - Mineral and Bone Disorder) is an extensive disease and includes dysfunction of the mineral metabolism, the bone metabolism and cardiovascular diseases in the context of renal insufficiency.
- Trial name
- NCT02708368
- Testing
- blood withdrawal
- Where
- 2 sites in Germany
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- RWTH Aachen University
Muscle Weakness, XLH
Muscle Abnormalities in Children With XLH
XLH rickets is a rare disease with muscle weakness. Fat parameters such as IMAT and intraMAT could be increased in this disease.
- Trial name
- MDmuscleXLH (NCT05312086)
- Testing
- MRI
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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
Hypovitaminosis D, Insulin Resistance
Hypovitaminosis D : A Link Between Bone/Mineral and Fat/Fuel Metabolism
The optimal dose of vitamin D needed to optimize beneficial effects on musculoskeletal outcomes remains to be defined. Equally unclear is the impact of vitamin D on fuel metabolism and insulin sensitivity in human subjects.
- Conditions
- Hypovitaminosis D, Insulin Resistance, Obesity, Osteoporosis
- Trial name
- GEHF-VitD (NCT01315366)
- Testing
- Euro D and Ci-CalD, Euro D, Ci-CalD
- Where
- Lebanon
- Volunteers
- 257 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
Vitamin D 25-Hydroxylase Deficiency, Vitamin D Deficiency/Insufficiency
Effects of High-Dose Vitamin D on Hormones, Neuromuscular Function, Cognition, and Body Composition in Athletes
This study aims to evaluate the effects of high-dose vitamin D3 supplementation on selected physiological, neuromuscular, and cognitive parameters in athletes.
- Trial name
- NCT07641075
- Testing
- Vitamin D supplementation
- Where
- Poland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The Jerzy Kukuczka Academy of Physical Education in Katowice
Bone Diseases, Osteomalacia
Study of the Diagnostic Value of Stable Calcium Isotope Profiling in Bone and Calcium Disorders
The purpose of this study is to determine whether mass spectrometry analysis of stable (non-radioactive) calcium isotopes in plasma or urine samples can help in the diagnosis of bone and calcium disorders.
- Conditions
- Bone Diseases, Osteomalacia, Osteoporosis
- Trial name
- eCaSIS (NCT02252679)
- Where
- 2 sites in Belgium, Germany
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven