Clinical trials: Deficiency Vitamins
Cholestatic Liver Disease, Chronic Liver Disease (CLD)
Vitamin D2 vs Vitamin D2 Plus Calcitriol in Cholestatic Children With Vitamin D Deficiency
The goal of this clinical trial is to learn whether adding calcitriol to vitamin D2 can improve vitamin D deficiency in children with cholestasis and chronic liver disease.
- Conditions
- Cholestatic Liver Disease, Chronic Liver Disease (CLD), Vitamin D Deficiency, Children
- Trial name
- VITD-CHOL (NCT07670611)
- Testing
- Vitamin D2, Calcitriol
- Where
- Thailand
- Volunteers
- 54 people
- Sponsor
- Chulalongkorn University
Ulcerative Colitis, Crohn's Disease
Multimodal Approach in IBD Patients
The investigators intend to assess the role of several biomarkers in the prediction of relapse in IBD. Clinical, laboratory and endoscopic data will be gathered and a predictive score will be derived in order to assess the…
- Conditions
- Ulcerative Colitis, Crohn's Disease, Nonalcoholic Fatty Liver Disease (NAFLD), Vitamin D Deficiency
- Trial name
- MAID (NCT01705522)
- Where
- Romania
- Volunteers
- 50 people
- Sponsor
- Clinical Hospital Colentina
Essential Hypertension
Efficacy of Amlodipine-folic Acid Tablets on Reduction of Blood Pressure and Plasma Homocysteine
To evaluate the efficacy of Amlodipine-folic Acid Tablets on reduction of blood pressure and plasma homocystein.
- Trial name
- NCT01848873
- Testing
- Amlodipine, amlodipine-FA tablet, low dose group, amlodipine-FA tablet ,high dose group
- Where
- 16 sites in China
- Volunteers
- 756 people
- Sponsor
- Shenzhen Ausa Pharmed Co.,Ltd
Stable COPD Patients
Effect of Vitamin D3 on Lung Function and Exercise Tolerance in COPD Patients
Background: Chronic Obstructive Pulmonary Disease (COPD) is a major cause of morbidity and mortality throughout the world which is a preventable as well as treatable disease.
- Trial name
- NCT03781895
- Testing
- Cholecalciferol
- Where
- Bangladesh
- Volunteers
- 48 people
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
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.
Major Depression, Vitamin D Deficiency
Effects of Vitamin D Supplementation on Depression and Inflammatory Markers
The current study is designed as a prospective partially randomized patient preference (PRPP) trial and recruit psychiatric outpatients or inpatients.
- Trial name
- NCT04898725
- Testing
- Vitamin D3
- Where
- Taiwan
- Volunteers
- 142 people
- Sponsor
- Mackay Memorial Hospital
Renal Osteodystrophy
Low Magnitude Mechanical Stimuli Effects on Bone Structure in ESRD
The proposed 6 month pilot and feasibility randomized trial will evaluate LMMS as an anabolic stimulus to bone in 30 adults on maintenance hemodialysis.
- Trial name
- NCT00364234
- Testing
- Low magnitude mechanical stimuli
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Vitamin D Deficiency, Sarcopenia
Impact of Vitamin D on 25-hydroxyvitamin D Levels and Physical Function
This one-year study will test the hypothesis that supplementation with vitamin D will improve lower extremity muscle performance in older men and women with vitamin D insufficiency.
- Trial name
- NCT02293187
- Testing
- vitamin D3
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tufts University
Vitamin D Deficiency, Tuberculosis
Role of Vitamin D in Innate Immunity to Tuberculosis
The investigators proposed a pilot study preparatory to developing a randomized trial of vitamin D for the prevention of TB infection. The specific aims are presented below: 1.
- Trial name
- NCT01244204
- Testing
- Vitamin D
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Harvard School of Public Health (HSPH)
Obesity, Morbid, Homocystine; Metabolic Disorder
Homocysteine After Laparoscopic Roux-enY Gastric Bypass
Changes in homocysteine values after bariatric surgery remain controversially discussed. This is the first comprehensive summary to depict timeline changes in homocysteine levels following laparoscopic roux-en-Y gastric bypass.
- Conditions
- Obesity, Morbid, Homocystine; Metabolic Disorder, Bariatric Surgery Candidate, Folate Deficiency
- Trial name
- NCT03489538
- Testing
- laparoscopic long limb roux-en-Y gastric bypass
- Where
- Austria
- Volunteers
- 708 people
- Sponsor
- Medical University of Vienna
Vitamin B12 Deficiency
Can Recombinant Human Intrinsic Factor Be Used for Evaluation of the Vitamin B12 Absorption?
Vitamin B12 is an essential nutrient for normal DNA-synthesis and must be supplied by animal products. Vitamin B12 deficiency may cause anemia and irreverible neurological damage.
- Trial name
- NCT00279552
- Testing
- Recombinant human intrinsic factor
- Where
- Denmark
- Volunteers
- 37 people
- Sponsor
- University of Aarhus
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
Cystic Fibrosis
Comparison of Absorption of Vitamin D in Cystic Fibrosis
The investigators predict that a powder pill form of vitamin D will be more effectively absorbed than an oil form of vitamin D in people diagnosed with Cystic Fibrosis.
- Trial name
- NCT01880346
- Testing
- Vitamin D Powder, Vitamin D Oil
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Emory University
Hypovitaminosis D, Type 2 Diabetes Mellitus
Vitamin D and Type 2 Diabetes - a Cross Sectional Study
The purpose of the study is to describe vitamin D status among patients with type 2 diabetes and to determine the association between serum 25-hydroxyvitamin D and glycemic control, markers of inflammation and blood pressure
- Trial name
- NCT00695474
- Volunteers
- 150 people
- Sponsor
- University of Aarhus
Vitamin D Deficiency, Spinal Cord Injury
Vitamin D Supplementation in Wheelchair Indoor Athletes
There is a high prevalence of vitamin D deficiency in Switzerland. In indoor-athletes as well as wheelchair users, vitamin D deficiency occurs even more often.
- Conditions
- Vitamin D Deficiency, Spinal Cord Injury, Drug Effects, Dietary Supplements
- Trial name
- VitD_SCI (NCT02621320)
- Testing
- Vitamin D
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Swiss Paraplegic Research, Nottwil
Ulcerative Colitis, Vitamin D Deficiency
A Retrospective Analysis: the Influence of Caltrate Supplement on the Effect of Mesalazine in Ulcerative Colitis
Aims:Retrospectively observe the effects of Caltrate supplementation on the clinical effect of mesalazine in patients with ulcerative colitis.
- Conditions
- Ulcerative Colitis, Vitamin D Deficiency, Vitamin D Supplement
- Trial name
- NCT04276649
- Testing
- Caltrate
- Where
- China
- Volunteers
- 74 people
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Vitamin D Deficiency
Determination of Vitamin D Dose to Maintain Sufficiency Amongst Indian and Malay Women in the Tropics
Much research on vitamin D status has focused on seasonal variations in serum 25(OH)D levels in populations living at high altitudes and those of light-skinned Caucasian extraction, with little work done in multi ethnic…
- Trial name
- NCT02389179
- Testing
- Vitamin D3
- Where
- Malaysia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sharifah Faradila bt Wan Muhamad Hatta
Pregnancy
Néevo®/NéevoDHA® P.L.U.S. Program (Progress Through Learning, Understand & Support)
This is an observational study in which patients who have been prescribed Néevo®/NéevoDHA® are invited to participate in surveys about their pregnancy and experiences with Néevo®/NéevoDHA®.
- Trial name
- NCT01358552
- Testing
- Néevo®/ NéevoDHA®
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Pamlab, Inc.
Inflammation, Magnesium Deficiency
Systemic Inflammatory Response: Thiamine and Magnesium Status (Sir TaM Study)
We wish to determine to what extent magnesium, thiamine and transketolase activity are affected by the Systemic Inflammatory Response (SIR).
- Conditions
- Inflammation, Magnesium Deficiency, Iron-deficiency, Thiamine Deficiency
- Trial name
- SirTaM (NCT03554668)
- Testing
- Blood draw
- Where
- United Kingdom
- Volunteers
- 47 people
- Sponsor
- Glasgow Royal Infirmary
Vitamin C Deficiency, Scurvy
Study of Prevalence and Risk Factors of Hypovitaminosis C in Long Term Care Unit
The clinical finding of skin rashes which appear after a vitamin C deficiency in Long Term Care Unit leads us to believe that the institutional diet could predispose to this kind of deficiency.
- Trial name
- Vitamin C (NCT03807791)
- Testing
- Blood sample
- Where
- France
- Volunteers
- 100 people
- Sponsor
- Hospices Civils de Lyon
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