Clinical trials: Cholecalciferol
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Pharmacokinetics and Efficacy of KRN23 in Adult Chinese Patients With XLH
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in adult Chinese patients with XLH
- Trial name
- NCT04842019
- Testing
- KRN23
- Where
- 5 sites in China
- Volunteers
- 18 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Vitamin D Deficiency
Determination of Effective Vitamin D Replacement and Monitoring Strategies in Vitamin D Deficiency State
The purpose of the study is determination of effective vitamin D replacement strategy in vitamin D deficiency states with currently available preparations in Pakistan \& to determine the cost effective monitoring strategy with…
- Trial name
- EVIREST-D (NCT01430793)
- Testing
- Vitamin D3 600,000 units IM, Vitamin D3 600,000 Orally, Vitamin D3 200,000 units IM
- Where
- Pakistan
- Volunteers
- 99 people
- Sponsor
- Aga Khan University
Rhinitis
Rhinitis in the Elderly: The Role of Vitamin D
A study of the role of vitamin D in elderly subjects with perennial and/or nonallergic rhinitis. The hypothesis is that vitamin D supplementation will improve rhinitis symptoms and rhinitis related quality of life.
- Trial name
- NCT02272101
- Where
- 2 sites in United States
- Volunteers
- 15 people
- Sponsor
- Rohr and Columbo Asthma, Allergy and Immunology Specialists, P.C.
Dietary Supplements, Intensive Care Unit
Vitamin D Supplementation in Intensive Care Unit Patients
A randomized controlled trial is designed to investigate the safety and clinical efficacy of a mega dose of VD in patients admitted in intensive care unit (ICU).
- Conditions
- Dietary Supplements, Intensive Care Unit, Vitamin D Deficiency, Vitamin D Toxicity
- Trial name
- NCT04915963
- Testing
- Vitamin D supplementation
- Volunteers
- 340 people
- Sponsor
- Association Tunisienne d'Etude & de Recherche sur l'Athérosclérose
Vitamin D Deficiency
Clinical Assessment of Adjunctive Omega-3 Versus Vitamin D Daily Supplements on Active Periodontal Therapy With Stage II Grade B Periodontitis Patients
Clinical Assessment of Adjunctive Omega-3 Versus Vitamin D daily Supplements on Active Periodontal Therapy with Stage II Grade B Periodontitis Patients: A Randomized controlled clinical trial.
- Trial name
- NCT06654063
- Testing
- non-surgical periodontal therapy (SRP), non-surgical periodontal therapy (SRP)+ Omega-3, non-surgical periodontal therapy (SRP)+ Vitamin D
- Where
- Egypt
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Cairo University
Thyroid Gland; Node, Pregnancy
Swedish Iodine in Pregnancy and Development in Children (SWIDDICH) Study
THE ULTIMATE GOAL of this project is to answer the question "In MILD IODINE DEFICIENCY (ID), should a tablet with vitamins and minerals, including 150 μg iodine/day be administered to pregnant women with a normal diet, to attain…
- Conditions
- Thyroid Gland; Node, Pregnancy, Cognitive Developmental Delay
- Trial name
- SWIDDICH (NCT02378246)
- Testing
- Iodine
- Where
- 4 sites in Sweden
- Volunteers
- 1,337 people
- Sponsor
- Göteborg University
Cancer
Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women
To determine the effect of increasing serum 25(OH)D from prevailing levels with vitamin D3 supplementation, while maintaining adequate calcium intake, on incidence of all-type cancer in a population sample of healthy…
- Trial name
- CAPS (NCT01052051)
- Testing
- Vitamin D3, Calcium carbonate
- Where
- United States
- Volunteers
- 2,303 people, healthy volunteers welcome
- Sponsor
- Creighton University
Vitamin D Deficiency, Low Bone Density
Nursing-Home Residents Given Bread Fortified With Vitamin D3
Background. For older adults, serum 25-hydroxyvitamin D (25(OH)D) higher than 75 nmol/L lowers fracture risk and attainment of this 25(OH)D target may require 125 mcg (5000 IU)/d of vitamin D3.
- Trial name
- NCT00789503
- Testing
- Bread fortified with vitamin D3 and calcium
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Primary Hyperparathyroidism, Vitamin D Deficiency
Vitamin D Repletion in Primary Hyperparathyroidism
This study will look at the effect of 2 treatment regimens that contain vitamin D in a six-month treatment trial of patients with PHPT who are vitamin D deficient.
- Trial name
- NCT01306656
- Testing
- 10,000 IU Vitamin D3, Vitamin D
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Columbia University
Osteoporosis, Aging
Vitamin D Supplementation in Older Women
The purpose of this study is to examine the effects of several doses of vitamin D on hormones related to bone, calcium absorption, bone density and muscle strength.
- Trial name
- VIDOS (NCT00472823)
- Testing
- Vitamin D3, Calcium Citrate (Citracal)
- Where
- United States
- Volunteers
- 273 people
- Sponsor
- Creighton University
Antibiotic-associated Diarrhea
Evaluation of Butyrate Effect on Diarrhea
The goal of this clinical trial is to evaluate the effects of a Food Supplement containing calcium butyrate, vitamin D, and zinc, on the variation of intestinal microbiota and prevention of antibiotic-induced diarrhea, in…
- Trial name
- DBZ (NCT06982703)
- Testing
- Food Supplement DBZ (acronym for: DIBUZIN) containing calcium butyrate, vitamin D and zinc,
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- University of Padova
Vitamin D Deficiency
Vitamin D in Diabetic Children
Vitamin D is so-called "sunshine vitamin",it is synthesized in the skin during exposure to the ultraviolet rays in sunlight so it has been suggested that ∼ 5-30 minutes of sun exposure between 10:00 a.m. and 3:00 p.m.
- Trial name
- NCT03258086
- Testing
- blood sample test
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Assiut University
Liver Cancer
The Role of the Vitamin D Receptor Gene Polymorphisms in Hepatocarcinogenesis
Previous data have suggested that vitamin D levels may influence cancer development. In particular, several single nucleotide polymorphisms have been described in the Vitamin D receptor( VDR gene), and some polymorphisms are…
- Trial name
- NCT02461979
- Testing
- The VDR genotype
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sherief Abd-Elsalam
Hypogonadism
Vitamin D Treatment and Hypogonadism in Men
Low total testosterone (TT) is present in about 30% of men aged >60 years and in up to 7% of younger men. Male hypogonadism is associated with metabolic and cardiovascular diseases as well as with increased mortality.
- Trial name
- NCT01748370
- Testing
- Vitamin D supplementation in hypogonadal men, Vitamin D supplementation in eugonadal men
- Where
- Austria
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Type 2 Diabetes Mellitus
Vitamin D Receptor Polymorphisms and Efficacy of Vitamin D-Fortified Yogurt Drink in Patients With Type 2 Diabetes
Study is a 12-week Double blind,controlled experiments designed to examine the possible effects of vitamin D receptor gene polymorphisms on the metabolic, inflammatory and oxidative stress markers in type 2 diabetic patients to…
- Trial name
- NCT01236846
- Testing
- Fortified Yogurt Drink, Plain Yogurt Drink
- Where
- 4 sites in Iran
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Tirang R. Neyestani
Arthritis, Rheumatoid, Vitamin D Deficiency
Vitamin D Deficiency Causes Immune Dysfunction and Enables or Perpetuates the Development of Rheumatoid Arthritis
Recent studies have demonstrated that subjects with low blood levels of vitamin D are at a higher risk of developing autoimmune diseases such as Rheumatoid Arthritis (RA).
- Trial name
- NCT00279461
- Where
- United States
- Sponsor
- Indiana University
Peritoneal Dialysis-associated Peritonitis, Vitamin D Deficiency
The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related Peritonitis
This is a pilot randomized, controlled trial of Vitamin D supplementation in patients on peritoneal dialysis to determine the feasibility of a future full-scale RCT exploring if oral administration of vitamin D3 could reduce the…
- Trial name
- NCT03264625
- Testing
- Cholecalciferol (2000iu qd), Routine therapy for PD
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Peking University First Hospital
HIV-infection/Aids
Vitamin D Supplementation in HIV
The purpose of this study is to evaluate safety and efficacy of vitamin D supplementation in children, adolescents and young adults with Human Immunodeficiency Virus and acquired immunodeficiency syndrome (HIV/AIDS).
- Trial name
- NCT01475890
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 58 people
- Sponsor
- Children's Hospital of Philadelphia
Menopausal, Pain, Low Back
Comparison Of Resistance Training And Core Strengthening Exercises Vitamin D In Postmenopausal Women With Low Back Pain
This study aims to evaluate the effectiveness of resistance training, core strengthening exercises, and vitamin D supplementation in reducing low back pain (LBP) among postmenopausal women.
- Trial name
- NCT06377618
- Testing
- Resistance Training and Core Strengthening Exercises Group, Resistance Training and Core Strengthening Exercises Group Plus Vitamin D Supplementation
- Where
- Pakistan
- Volunteers
- 36 people
- Sponsor
- Superior University
Cognitive Decline
Vitamin D to Improve Outcomes by Leveraging Early Treatment: Long-term Brain Outcomes in Vitamin D Deficient Patients
This ancillary study will determine if early administration of a single high-dose (540,000 IU) oral vitamin D3 (cholecalciferol) treatment improves 12-month global cognition and executive function as determined by comprehensive…
- Trial name
- VIOLET-BUD (NCT03733418)
- Testing
- 540,000 IU vitamin D3
- Where
- 7 sites in United States
- Volunteers
- 95 people
- Sponsor
- Vanderbilt University Medical Center
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