Clinical trials: Vitamin D Deficiency, completed
Vitamin D Deficiency
Vitamin d Levels and Coronary Catheterization
decreased vitamin d levels are associated with increased inflammatory markers,and renin angiotensin levels. decreased levels were also found to be connected to increased cardiovascular mortality.
- Trial name
- NCT00749541
- Where
- Israel
- Volunteers
- 100 people
- Sponsor
- Assaf-Harofeh Medical Center
Vitamin D Deficiency
The Pharmacokinetics of a Single Large Dose of Vitamin D3
When people eat a meal, some, but not all of the calcium in that meal is absorbed, that is, moved into the bloodstream. When the skin is exposed to sunlight during summer months, Vitamin D is made there and then modified into…
- Trial name
- Stoss (NCT00473239)
- Testing
- cholecalciferol.
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Creighton University
Vitamin D Deficiency
Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)
The investigators would like to evaluate the effect of serum 25-hydroxy vitamin D level on post-operative short-term functional outcomes after total hip arthroplasty (THA).
- Trial name
- NCT01397383
- Where
- United States
- Volunteers
- 219 people, healthy volunteers welcome
- Sponsor
- Hospital for Special Surgery, New York
Vitamin D Deficiency
Vitamin D Status and Immune Function
The purpose of this study is to examine the relationship between Vitamin D status and immunity.
- Trial name
- NCT02416895
- Testing
- In vivo immunity model
- Where
- United Kingdom
- Volunteers
- 264 people, healthy volunteers welcome
- Sponsor
- Bangor University
Vitamin d Deficiency
Blue Sky Study: Impact of Milk and Vitamin D for Child Growth and Health
This intervention study will address the impact of vitamin D fortified milk and vitamin D supplements on the growth, levels of vitamin D, insulin-like growth factor 1, growth hormone, academic attention, respiratory infections…
- Trial name
- BSS (NCT00886379)
- Testing
- Mongolian milk without vitamin D, Mongolian milk with vitamin D, UHT milk
- Volunteers
- 597 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Chronic Kidney Disease, Hyperparathyroidism, Secondary
Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency
This study will evaluate the efficacy of CTAP101 Capsules versus placebo in reducing intact parathyroid hormone (iPTH) by at least 30% from pretreatment baseline; safety and tolerability of CTAP101 will also be evaluated
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
- Trial name
- NCT01704079
- Testing
- CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- OPKO IP Holdings II, Inc.
Vitamin D Deficiency
Evaluating Vitamin D Content in Mushrooms
This study will evaluate how much vitamin D is present in a mushroom supplement. This supplement contains an extract from mushrooms that have been exposed to sunlight.
- Trial name
- NCT01815437
- Testing
- Mushroom Vitamin D2, Cholecalciferol, Vitamin D2 - Ergocalciferol
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Boston University
Vitamin D Deficiency
A Prospective, Single-centre, Open-label Study to Confirm the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in Adults With Vitamin D Deficiency
A Prospective, Single-centre, Open-label Study to Confirm the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in adults with Vitamin D Deficiency
- Trial name
- NCT03233295
- Testing
- Vitamin D3 B.O.N. Injection
- Volunteers
- 108 people
- Sponsor
- Kwang Dong Pharmaceutical co., ltd.
Burns, Bone Demineralization
Evaluation of Vitamin D Status in Children With Acute Burns
To see which vitamin D supplement (D2 vs D3) is most beneficial in burned children.
- Trial name
- VitaminD (NCT00536276)
- Testing
- Vitamin D2, Vitamin D3
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Shriners Hospitals for Children
Renal Osteodystrophy
12-month Study of AMG 073 in Renal Osteodystrophy
4 doses of AMG 073 or placebo over 52 weeks after a 30-day screening period. Throughout the study, labs will be drawn to measure analytes such as iPTH and corrected calcium.
- Trial name
- NCT00527085
- Testing
- AMG 073
- Volunteers
- 45 people
- Sponsor
- Amgen
Alzheimer's Disease
The Prevalence of Vitamin D Deficiency in Patients With Alzheimer's Disease
Recent studies indicate that there is a relationship between cognitive decline and vitamin D deficiency. Up to now, no study has investigated the prevalence of vitamin d deficiency in patient with Alzheimer's disease.
- Trial name
- DEVIT-ALZ (NCT01420315)
- Where
- Turkey (Türkiye)
- Volunteers
- 502 people
- Sponsor
- Saglik Bilimleri Universitesi Gulhane Tip Fakultesi
Autism, Vitamin D Deficiency
Open Label Clinical Trial of Vitamin D in Children With Autism
Primary: to investigate tolerability of interventional high dose Vitamin D3 supplementation, titrated to reach serum levels near the high end of the reference range (30-100 ng/ml), in vitamin D deficient pediatric Autism Spectrum…
- Trial name
- NCT01535508
- Testing
- Liquid Vitamin D
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of California, San Francisco
Vitamin D Deficiency, Obstructive Sleep Apnea
Vitamin D Status in Obstructive Sleep Apnea With and Without Comorbidities
This retrospective observational study evaluates the relationship between vitamin D status and obstructive sleep apnea (OSA) in adults.
- Trial name
- NCT07788391
- Where
- Turkey (Türkiye)
- Volunteers
- 269 people, healthy volunteers welcome
- Sponsor
- Hisar Intercontinental Hospital
Non-alcoholic Fatty Liver Disease, Vitamin D Deficiency
Vitamin D in Fatty Liver Disease
This study evaluates the influence of vitamin D in reducing laboratory, elastographic (Fibroscan) and metabolic components of NAFLD. Half of the patients will receive vitamin D (Plivit D3) while the other half will receive placebo
- Trial name
- NCT04038853
- Testing
- 1,25-Dihydroxyvitamin D
- Volunteers
- 360 people
- Sponsor
- University Hospital Rijeka
Deficiency of Vitamin D3
Dietary Intake and Vitamin D Level in Adult Women
Vitamin D deficiency is most diagnosed among women living in the Kingdom of Saudi Arabia. Many factors have been attributed to the incidence of vitamin D deficiency.
- Trial name
- VDAW (NCT02921204)
- Testing
- Vitamin D status
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Princess Nourah Bint Abdulrahman University
Rotator Cuff Tear Arthropathy, Osteoporosis
COMPREHENSIVE® REVERSE SHOULDER Mini BasePlate
Evaluate Survivorship for the Biomet® Comprehensive® Reverse Shoulder Mini Baseplate.
- Conditions
- Rotator Cuff Tear Arthropathy, Osteoporosis, Osteomalacia, Joint; Destruction, Sacroiliac
- Trial name
- NCT02084693
- Testing
- COMPREHENSIVE
- Where
- 5 sites in South Korea
- Volunteers
- 100 people
- Sponsor
- Zimmer Biomet
Vitamin D Deficiency
The Effect of Vitamin D Supplementation on Cardiovascular Risk Factors
Six-hundred subjects with vitamin D deficiency will be randomized to vitamin D 3000 IU per day versus placebo for 4 months, with effects on cardiovascular risk factors as main endpoint
- Trial name
- D-COR (NCT02750293)
- Testing
- Cholecalciferol
- Where
- Norway
- Volunteers
- 411 people, healthy volunteers welcome
- Sponsor
- University of Tromso
Hypertension, Vitamin D Deficiency
DAYLIGHT: Vitamin D Therapy in Individuals at High Risk of Hypertension
This is a randomized, double-blind, multicenter, 6-month follow-up trial of low (400 IU/day) versus high (4000 IU/day) dose vitamin D supplementation in individuals with pre- and early stage 1 hypertension and vitamin D…
- Conditions
- Hypertension, Vitamin D Deficiency, Pre-Hypertension
- Trial name
- DAYLIGHT (NCT01240512)
- Testing
- Cholecalciferol
- Where
- 3 sites in United States
- Volunteers
- 534 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Vitamin D Deficiency
Topical Delivery of Vitamin D3 as Vitamin D Supplementation
After obtaining the approval from the IRB of University of Dammam and informed consent from 550 healthy patients, with vitamin D deficiency and vitamin D insufficiency and deficiency were recruited.
- Trial name
- NCT02735200
- Testing
- Application of topical vitamin d3 (Top-D), Application of Aloe vera gel
- Where
- Saudi Arabia
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Imam Abdulrahman Bin Faisal University
Iron Deficiency Anemia, Infectious Diseases
Efficacy Trial to Examine Efficacy of Multimicronutrient Home Supplementation in Infants
The objective of the program is to examine the efficacy of 6 month home micronutrient supplementation in Bedouin and Jewish children on improvements in nutritional status including measures of iron, ferritin, zinc and folic acid…
- Conditions
- Iron Deficiency Anemia, Infectious Diseases, Undernutrition
- Trial name
- NCT00276198
- Testing
- Sprinkles, Ferripel-3, Vitamins A&D drops
- Where
- Israel
- Volunteers
- 771 people, healthy volunteers welcome
- Sponsor
- Soroka University Medical Center