Clinical trials: Vitamin D Deficiency, completed
Polycystic Ovarian Syndrome, Vitamin D Deficiency
Health Benefits of Vitamin D and Calcium in Women With PCOS (Polycystic Ovarian Syndrome)
The investigators conducted a prospective un-blinded pilot study of Vitamin D plus Calcium (Ca) supplementation in overweight (BMI > 27) premenopausal women diagnosed with Polycystic Ovarian Syndrome (PCOS), as defined by the…
- Trial name
- NCT00743574
- Testing
- Vitamin D2 (Ergocalciferol), Medroxyprogesterone (Provera), Vitamin D3 (Cholecalciferol)
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Yale University
Pre-Eclampsia
Association Between Vitamin D Deficiency and Preeclampsia: A Case Control Study
To find out if lower levels of vitamin D is more prevalent in preeclamptic women
- Trial name
- NCT02677233
- Volunteers
- 90 people
- Sponsor
- Ain Shams Maternity Hospital
Vitamin D Deficiency, Pre Eclampsia
Evaluation of the Effectiveness of Vitamin D Supplementation to Pregnant Women and Their Infants in Pakistan.
Vitamin D deficiency is wide spread in South Asian population and is contributing to burden of disease in this region including Pakistan.
- Conditions
- Vitamin D Deficiency, Pre Eclampsia, Stillbirths, Low Birth Weight
- Trial name
- NCT01229189
- Testing
- Vitamin D
- Where
- Pakistan
- Volunteers
- 460 people
- Sponsor
- Aga Khan University
X-linked Hypophosphatemia, Hereditary Hypophosphatemia
Characterising Pain, QoL, Body Composition, Arterial Stiffness, Muscles and Bones in Adult Persons With XLH and Healthy Controls
Hereditary hypophosphatemia (XLH) is a rare, inherited disease. Loss-of-function mutation in the phosphate regulating gene with homologies to endopeptidases on the X-chromosome (PHEX) results in excess fibroblast growth factor 23…
- Trial name
- NCT04273490
- Where
- Denmark
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Primary Immune Deficiency Disorder
Study of Vitamin D3 Substitution to Patients With Primary Immunodeficiency
Hypothesis: Cholecalciferol (vitamin D3) prevent respiratory tract infections in patients with primary immunodeficiency.
- Trial name
- VITAPID (NCT01131858)
- Testing
- Vigantol
- Where
- Sweden
- Volunteers
- 140 people
- Sponsor
- Karolinska University Hospital
Obesity, Childhood, Vitamin D Deficiency
The Changes of Body Composition, Glucolipid Metabolism and Bone Metabolism in Obese Children After Weight Loss
Vitamin D plays a significant role in calcium and phosphorus homeostasis for maintaining structural integrity and function of musculoskeletal system.
- Trial name
- NCT03490448
- Testing
- aerobic exercise and appropriate caloric control
- Where
- China
- Volunteers
- 53 people
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Vitamin D Deficiency, Osteopenia
Monitored vs Standard Supplementation of Vitamin D in Preterm Infants
The purpose of this study is to determine wheather the monitored vitamin D (vit D) therapy is safer and more effective than standard therapy in pretrem infants.
- Conditions
- Vitamin D Deficiency, Osteopenia, Nephrolithiasis, Drug Overdose
- Trial name
- MOSVID (NCT03087149)
- Testing
- monitored vit D supplementation, standard vit D supplementation
- Where
- Poland
- Volunteers
- 109 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Vitamin D Deficiency
Vitamin D in Pregnancy and Lactation
Background: Vitamin D is vital throughout pregnancy and lactation for both maternal and infant health. Health Canada recommends women take the AI of 5ug/day of vitamin D during pregnancy, however, it is unknown how much vitamin D…
- Trial name
- NCT01112891
- Testing
- Vitamin D, Vitamin D3
- Where
- Canada
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Epilepsy
Effect of Three Different Doses of Oral Cholecalciferol on 25-Hydroxyvitamin D Changes Among Epilepsy Patients With Hypovitaminosis D
To characterize the effect of three different doses of vitamin D3 supplementation on serum 25-hydroxyvitamin D (25(OH)D) changes in epilepsy patients receiving enzyme-inducing antiepileptic drugs (EIAEDs) versus patients…
- Trial name
- NCT02890823
- Testing
- Cholecalciferol
- Volunteers
- 210 people
- Sponsor
- Chulalongkorn University
Hemophilia A, Hemophilia B
Correlation Between Vitamin D Status and Bone Mineral Density in Patients With Hemophilia
Study will look at baseline Vitamin D levels, calcium, albumin, liver enzymes, testosterone, osteocalcin, urine N telopeptides, bone mineral density, nutritional assessment and physical activity assessment of boys with hemophilia…
- Conditions
- Hemophilia A, Hemophilia B, Vitamin D Deficiency
- Trial name
- NCT01090206
- Testing
- Vitamin D and calcium
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Virginia Commonwealth University
Hypophosphatasia, Bone Disease
Non-interventional Substudy of ALX-HPP-502 to Assess Natural History of Patients With Juvenile-onset HPP Who Served as Historical Controls in ENB-006-09
The purpose of this study is to characterize the natural history of HPP in patients with Juvenile-onset HPP who served as historical controls in ENB-006-09.
- Trial name
- NCT02235493
- Testing
- Retrospective Case Only
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Hemodialysis Complication, Shoulder Joint Disorder
The Effect of Baduanjin on Shoulder Function in Maintenance Hemodialysis Patients
The aim of this study is to examine the effect of 18-month Baduanjin exercise on shoulder joint function in maintenance hemodialysis (MHD) patients.
- Conditions
- Hemodialysis Complication, Shoulder Joint Disorder, CKD-MBD
- Trial name
- NCT06314321
- Testing
- Baduanjin exercise
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Affiliated Hospital of Nantong University
Respiratory Tract Infection, Vitamin D Deficiency
Cholecalciferol Intervention to Prevent Respiratory Infections Study
This is a feasibility double-blind randomised controlled trial in 32 participants. It evaluates the feasibility of a full trial which will examine the efficacy of weekly supplementation of cholecalciferol (vitamin D3) relative to…
- Trial name
- CIPRIS (NCT01549938)
- Testing
- Cholecalciferol
- Where
- Australia
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Menzies Institute for Medical Research
Hyperparathyroidism; Secondary, Renal
Efficacy and Safety of Cinacalcet in Ca, P and iPTH Levels in Patients With Mild, Moderate and Severe SHPT
1. To evaluate achievement ratio of iPTH,Calcium and phosphorus after taking Cinacalcet HCL in hemodialysis subjects with mild, moderate and severe SHPT; 2.
- Trial name
- ACTIVE (NCT03123406)
- Testing
- Cinacalcet HCl
- Where
- China
- Volunteers
- 750 people
- Sponsor
- Kyowa Kirin China Pharmaceutical Co., Ltd.
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
Secondary Hyperparathyroidism
Etelcalcetide to Treat Secondary Hyperparathyroidism in Hemodialysis Patients With Chronic Kidney Disease-Mineral and Bone Disorder
The purpose of this study is to evaluate the effect of thrice weekly intravenous (IV) administration of etelcalcetide in the treatment of secondary hyperparathyroidism (SHPT) in hemodialysis patients with chronic kidney…
- Trial name
- NCT01414114
- Testing
- Etelcalcetide
- Volunteers
- 37 people
- Sponsor
- KAI Pharmaceuticals
Vitamin D Deficiency
Study Vitamin D in Healthy Individuals
To obtain sufficient specimens and correlating clinical data from a well-controlled prospective clinical trial collecting specimens from healthy subjects t on vitamin D assays, and to establish a collection of specimens that will…
- Trial name
- NCT02250625
- Where
- United States
- Volunteers
- 482 people, healthy volunteers welcome
- Sponsor
- Fujirebio Diagnostics, Inc.
Vitamin D Deficiency
'Palliative-D' Vitamin D to Palliative Cancer Patients
To test the hypothesis that vitamin D treatment during 12 weeks to palliative cancer patients can decrease opioid consumption, fatigue and infectious burden and increase quality of life.
- Trial name
- Palliative-D (NCT03038516)
- Testing
- Cholecalciferol
- Where
- 3 sites in Sweden
- Volunteers
- 244 people
- Sponsor
- Region Stockholm
Vitamin D Deficiency, Vitamin D Insufficiency
Efficacy and Safety of Calcifediol vs Placebo in Subjects With Vitamin D Deficiency
This is a randomised, double-blind, double-dummy, multicentre, dose-ranging clinical trial in subjects with vitamin D deficiency or insufficiency.
- Trial name
- WORFEROL (NCT04735926)
- Testing
- Calcifediol 75mcg, Calcifediol 100mcg, Calcifediol 125mcg
- Where
- 55 sites in Bulgaria, Czechia and 5 more
- Volunteers
- 674 people
- Sponsor
- Faes Farma, S.A.
Vitamin D Deficiency, Accidental Falls
Improving Vitamin D Status in Home-bound Elders
In the past two decades, the role of vitamin D has extended beyond bone health to encompass a wide range of biological activities important to physical function in older adults.
- Trial name
- MOW VitD (NCT01410084)
- Testing
- Vitamin D3, Vitamin E
- Where
- United States
- Volunteers
- 68 people
- Sponsor
- Wake Forest University Health Sciences