Clinical trials: Cholecalciferol
Scoliosis, Spinal Curvatures
Preventing Curve Progression and the Need for Bracing in Adolescent Idiopathic Scoliosis With Calcium + Vitamin D Supplementation
There is an association between adolescent idiopathic scoliosis (AIS) and low bone mass which has been reported to be a significant prognostic factor for curve progression.
- Conditions
- Scoliosis, Spinal Curvatures, Spinal Diseases, Bone Health
- Trial name
- NCT03533010
- Testing
- Ca500mg, VitD800IU
- Where
- Hong Kong
- Volunteers
- 199 people
- Sponsor
- Chinese University of Hong Kong
Healthy Volunteer
Supplementation Absorption Comparison
The goal of this interventional study is to compare the absorption of supplements with and without absorption enhancing technology in healthy volunteers.
- Trial name
- PHAABS (NCT07791797)
- Testing
- Aquacelle® Omega 3, Comparator Omega 3, Plexosome® Vitamin D3
- Where
- Australia
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- RDC Clinical Pty Ltd
Vitamin D Deficiency, Type 2 Diabetes Mellitus
Vitamin D, Cardiovascular Disease, and African Americans
African-Americans have higher rates of cardiovascular disease morbidity and mortality, as well as vitamin D deficiency. Multiple observational studies have demonstrated an increased risk of vitamin D deficiency in African…
- Conditions
- Vitamin D Deficiency, Type 2 Diabetes Mellitus, Cardiovascular Disease
- Trial name
- NCT01655810
- Testing
- Vitamin D3, Calcium carbonate
- Where
- United States
- Volunteers
- 86 people
- Sponsor
- Washington University School of Medicine
Chronic Hepatitis C
Vitamin D Deficiency in Subjects With Chronic Hepatitis C Compared to Healthy Volunteers
The objective of this study is to assess the prevalence of vitamin D deficiency in patients with chronic Hepatitis C compared to a matched control group of healthy individuals in the Sioux Falls area.
- Trial name
- NCT01274013
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Avera McKennan Hospital & University Health Center
Vitamin D Deficiency
The Effect of Vitamin D3 Therapy in Post Menopausal Women and Assessment of Changes in Bone Mineral Density After Orally Vitamin D3 Administration
a study design based on vitamin D deficiency in postmenopausal women with low bone density. pre-test for BMD will be done then vitamin D oral supplements will be provided for the period of 3 months.
- Trial name
- NCT05389943
- Testing
- Oral administration of vitamin D3, Vitamin D3 50000 UNT Oral Capsule, milk, Dietary and life style modifications.
- Where
- Pakistan
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Sargodha
Short Segment Barrett's Esophagus, Long Segment Barrett's Esophagus
Vitamin D Supplementation on 15-Prostaglandin Dehydrogenase Expression in Barrett's Esophagus
This study is being conducted to determine if vitamin D supplementation increases the level of a protein that may be involved in decreasing the risk of esophageal cancer in patients with Barrett's esophagus.
- Trial name
- NCT01465113
- Testing
- Omeprazole, Vitamin D3, upper endoscopy
- Where
- 3 sites in United States
- Volunteers
- 26 people
- Sponsor
- Case Comprehensive Cancer Center
Vitamin D Deficiency
The GLOBAL Vitamin D Study. A Genomic, Transcriptomic, Proteomic and Metabolomic Approach
The effect of vitamin D supplementation on genetic, proteomic , and metabolomic profile in adipose tissue will be studied in 50 subjects.
- Trial name
- NCT02783924
- Testing
- Cholecalciferol
- Where
- Norway
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Tromso
Vitamin D Deficiency
Alternative Treatments of Vitamin D Deficiency
The purpose of the study is to compare the efficiency of UVB and vitamin D supplementation in treatment of vitamin D deficiency.
- Trial name
- NCT01512537
- Testing
- Narrowband UVB, Vitamin D and calcium
- Where
- Sweden
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Lund University
Psoriasis
Study to Compare U0267 Against Vehicle in Subjects With Plaque-type Psoriasis Two of Two Phase 3 Studies
The purpose of the study is to demonstrate the safety and efficacy of U0267 in subjects with plaque-type psoriasis.
- Trial name
- NCT00689481
- Testing
- U0267 Foam, Vehicle foam
- Where
- 12 sites in United States
- Volunteers
- 323 people
- Sponsor
- Stiefel, a GSK Company
Vitamin D Deficiency
Effect of Vitamin D Treatment on Fatigue
Primary objective -Change in Fatigue Assesment Score (FAS) between the first visit (baseline) and 28 (+maximum 7) days after oral administration of 100 000 E vitamin D (Cholecalciferol).
- Trial name
- NCT02022475
- Testing
- Vitamin D
- Where
- Switzerland
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Acute Kidney Injury
Vitamin D in Critically Ill Patients With Acute Kidney Injury
This study aims to investigate whether there is a difference in Vitamin D levels between critically ill adult patients with and without acute kidney injury.
- Trial name
- VID-AKI (NCT02869919)
- Testing
- AKI
- Where
- United Kingdom
- Volunteers
- 236 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Pre-diabetes
Vitamin D in Minorities With Prediabetes
Vitamin D supplementation in minority subjects with both pre-diabetes and low vitamin D levels will delay the development of diabetes.
- Trial name
- NCT00876928
- Testing
- vitamin D
- Where
- United States
- Volunteers
- 117 people
- Sponsor
- Charles Drew University of Medicine and Science
Hypoparathyroidism Postprocedural, Quality of Life
Quality of Life Related to Different Treatment Protocols for Post-thyroidectomy Hypoparathyroidism
This study aims to compare two different protocols commonly used in the management of post thyroidectomy hypoparathyroidism : PTH based calcium repletion and empiric repletion.
- Trial name
- NCT03249012
- Testing
- Empiric use of Calcium Carbonate and Calcitriol, PTH based Calcium Carbonate and Calcitriol repletion
- Where
- Canada
- Volunteers
- 120 people
- Sponsor
- CHU de Quebec-Universite Laval
Infertility
Vitamin D Deficiency and Ovarian Reserve Among Infertile Patients
The role of vitamin D deficiency in female reproduction remains controversial. Early retrospective studies were inconsistent regarding the effect of serum 25-OH vitamin D levels on pregnancy rates in women undergoing in vitro…
- Trial name
- NCT01999608
- Where
- Belgium
- Volunteers
- 283 people
- Sponsor
- Universitair Ziekenhuis Brussel
Gestational Hypertension, Toxemia
A Randomized Control Trial of Vitamin D Prophylaxis in the Prevention of Hypertensive Disorders of Pregnancy
The investigators aim to determine if Vitamin D prophylaxis in pregnancy reduces the incidence of hypertensive disorders of pregnancy.
- Conditions
- Gestational Hypertension, Toxemia, Superimposed Preeclampsia, Eclampsia
- Trial name
- NCT02920593
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 412 people, healthy volunteers welcome
- Sponsor
- Stony Brook University
Death, Myocardial Infarction
A Trial Evaluating Vitamin D Normalization on Major Adverse Cardiovascular-Related Events Among Myocardial Infarction Patients
This study evaluates whether achieving 25-hydroxyvitamin D (25[OH] Vit D) levels (>40 ng/mL) among myocardial infarction patients will result in a reduction of cardiovascular-related adverse events.
- Conditions
- Death, Myocardial Infarction, Cerebral Vascular Accident, Heart Failure Hospitalization
- Trial name
- TARGET-D (NCT02996721)
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 634 people
- Sponsor
- Intermountain Health Care, Inc.
Pediatric Obesity
Effect of Vitamin D on Offspring Obesity
The purpose of this study is to observe the effect of lack or excess of Vitamin D in the first, second and third trimester on child birth weight, fat content and the secretion of metabolism related hormone, and clinical follow-up…
- Trial name
- NCT02236221
- Where
- China
- Volunteers
- 30,000 people
- Sponsor
- Nanjing Medical University
Rheumatoid Arthritis, Cardiovascular Disease
Vitamin D and Cardiovascular Events in Rheumatoid Arthritis
The aim of the study is to evaluate cardiovascular events during long-term follow-up in Rheumatoid Arthritis. The primary outcome "any cardiovascular event" will be evaluated using systematic audits of patient records, and will…
- Trial name
- NCT02932644
- Testing
- Baseline serum vitamin D level below 50 nmol/l, Baseline serum vitamin D level at or above 50 nmol/l
- Volunteers
- 160 people
- Sponsor
- Odense University Hospital
Fracture
Optimal Vitamin D3 Supplementation Strategies for Acute Fracture Healing
The objective is to determine the effect of vitamin D3 supplementation on fracture healing at 3 months.
- Trial name
- Vita-Shock (NCT02786498)
- Testing
- Vitamin D3
- Where
- 2 sites in United States, Canada
- Volunteers
- 102 people
- Sponsor
- University of Maryland, Baltimore
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Pharmacokinetics and Efficacy of KRN23 in Pediatric Chinese Patients With XLH
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in pediatric Chinese patients with XLH
- Trial name
- NCT04842032
- Testing
- KRN23
- Where
- 5 sites in China
- Volunteers
- 28 people
- Sponsor
- Kyowa Kirin Co., Ltd.
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.