Clinical trials: Vitamin Deficiencies
Type 2 Diabetes, Vitamin D Deficiency
African American Children, Glycemic Control, and Type 2 Diabetes
Using a randomized, placebo-controlled trial design in subjects with vitamin D deficiency, the investigators propose to determine if vitamin D treatment improves glycemic control in vitamin D deficient subjects with T2DM.
- Trial name
- ACT (NCT01325987)
- Testing
- Vitamin D2, Sugar pill
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- University of Alabama at Birmingham
Chronic Kidney Disease Mineral and Bone Disorder
The Effect of REgulation of PArathyroId hoRmone in Patients With Chronic Kidney Disease to Investigate the Change in Bone Mineral Density
The prevalence of chronic kidney disease (CKD) in the adult population is estimated to 10%. CKD increases risk of bone fractures, cardiovascular disease and death.
- Trial name
- REPAIR-CKD (NCT07171216)
- Testing
- Treat to target
- Where
- Denmark
- Volunteers
- 70 people
- Sponsor
- Herlev Hospital
Intestinal Failure-associated Liver Disease
Prevalence of Liver Disease in Patients Dependent on Parenteral Nutrition
This is a multi-center prospective cross-sectional observational study that will assess the prevalence of liver disease in patients dependent on parenteral nutrition (PN) for 4 or more days per week.
- Trial name
- THRIVE-1 (NCT05011370)
- Where
- 15 sites in United States, Denmark and 2 more
- Volunteers
- 80 people
- Sponsor
- Protara Therapeutics
Vitamin D Deficiency, Malnutrition
Optimizing Treatment Programs for Chronic Kidney Disease-mineral and Bone Disorder and Malnutrition
Multi-center, prospective, randomized, controlled study to verify the clinical effectiveness of K / DOQI guidelines. The efficiency and safety of Vitamin D2 and low protein diet treatment for prevention and treatment of CKD-MBD…
- Trial name
- NCT02005302
- Testing
- 1,25(OH)2 Vitamin D3, Vitamin D2, low protein diet
- Where
- 5 sites in China
- Volunteers
- 600 people
- Sponsor
- Wenhu Liu
Mortality Through Six Months of Age, Vitamin A Deficiency
Community Trial of Newborn Vitamin A Supplementation to Reduce Infant Mortality in Rural Bangladesh
The purpose of this trial is determine whether a 50,000 IU oral dose of vitamin A delivered to newborn infants within the first days of life, reduces six-month infant mortality by at least 15%.
- Trial name
- NCT00128557
- Testing
- vitamin A supplementation (15,000 ug retinol equivalents or 50,000 IU)
- Where
- Bangladesh
- Volunteers
- 15,937 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Diabetes Mellitus, Type 2, Dyslipidemia Associated With Type II Diabetes Mellitus
Effects of High Intensity Statin Therapy on Steroid Hormones and Vitamin D in Type 2 Diabetic Men
The aim of the study was to assess the effect of high intensity statin therapy on testicular and adrenal steroids and vitamin D levels in type 2 diabetes males.It is a prospective study, conducted between march 2021 and July…
- Conditions
- Diabetes Mellitus, Type 2, Dyslipidemia Associated With Type II Diabetes Mellitus, Statin Adverse Reaction, Hypogonadism, Male
- Trial name
- NCT05806723
- Testing
- Atorvastatin 40 Mg Oral Tablet
- Where
- Tunisia
- Volunteers
- 104 people
- Sponsor
- Hopital La Rabta
Peritoneal Dialysis-associated Peritonitis, Vitamin D Deficiency
Oral Vitamin D Supplementation Prevent Peritoneal Dialysis-related Peritonitis
This is a multicenter randomized, placebo-controlled trial of Vitamin D supplementation in patients on peritoneal dialysis to determine whether oral administration of vitamin D3 after curing an episode of peritonitis could reduce…
- Trial name
- VD-PD (NCT05860270)
- Testing
- Cholecalciferol
- Where
- China
- Volunteers
- 176 people
- Sponsor
- Peking University First Hospital
Vitamin A Deficiency in Children
The Effects of Biscuits Containing Red Palm Oil on School Children With Vitamin A Deficiency in West and East Malaysia
Based on recent nutrition survey (SEANUTS Malaysia) on a total of 3542 Malaysian Children aged between 6 months to 12 years old, 4.4% of the children had vitamin A deficiency.
- Trial name
- NCT03256123
- Testing
- red palm shortening group, palm shortening group
- Where
- Malaysia
- Volunteers
- 651 people, healthy volunteers welcome
- Sponsor
- Malaysia Palm Oil Board
Pneumonia, Vitamin D Deficiency
Kabul Vitamin D Supplementation Trial
Background: Pneumonia is the leading cause of childhood mortality, accounting for 19% of the 10.6 million deaths that occur each year1.
- Trial name
- NCT00548379
- Testing
- vitamin D
- Where
- 2 sites in Afghanistan
- Volunteers
- 3,048 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Vitamin D Deficiency, Sickle Cell Disease
Vitamin D Status in Children With Sickle Cell Disease Living in Lyon, France
Vitamin D deficiency may be under-diagnosed in sickle cell disease French children. Therefore, the investigator need an epidemiologic study about the prevalence of vitamin D deficiency in this specific population.
- Trial name
- EVADDREP (NCT04694976)
- Testing
- 25-OH Vitamin D measure
- Where
- France
- Volunteers
- 130 people
- Sponsor
- Hospices Civils de Lyon
Vitamin D Deficiency, Surgery
Effects of Stoss Therapy of Vitamin D3 on Peri-operative Outcomes in Patients Receiving General Surgery
To investigate whether preoperative supplement with high-dose vitamin D3 can reduce the perioperative risk and enhance recovery
- Trial name
- NCT05650268
- Testing
- Vitamin D3, 95% MCT
- Sponsor
- National Taiwan University Hospital
Chronic Kidney Diseases, Chronic Kidney Disease-Mineral and Bone Disorder
Chinese CKD-MBD Prevalence Survey (CRISS-MBD)
This is a multi-center cross sectional epidemiological study. The purpose of this study is to investigate the prevalence of Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD) in Chinese population.
- Trial name
- NCT04714918
- Where
- 40 sites in China
- Volunteers
- 10,254 people
- Sponsor
- Limeng Chen
Crohn Disease, Vitamin D Deficiency
Effects of Supplementation of Vitamin D in Patients With Crohn's Disease
Thus, the aim of the current study is to assess the influence of vitamin D deficiency and, consequently, of serum calcium deficiency in the body composition, muscular activity, bone mineral density, fatigue, and exercise…
- Conditions
- Crohn Disease, Vitamin D Deficiency, Fatigue, Sarcopenia
- Trial name
- NCT02704624
- Testing
- Vitamin D
- Where
- Brazil
- Volunteers
- 110 people
- Sponsor
- Federal University of Juiz de Fora
Vitamin B12 Deficiency
Relative Bioavailability of Folic Acid and L-5-Methlytetrahydrofolate
Folic acid, a form of the vitamin folate, is added to grain products in Canada to help reduce birth defects. Folic acid is the synthetic form of folate and is very stable (doesn't break down) when added to foods.
- Trial name
- NCT01584050
- Testing
- L-5-methyltetrahydrofolate (Metafolin ®), folic acid
- Where
- 2 sites in Canada, Malaysia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Vitamin D Deficiency, Hyperparathyroidism
Abnormally High Parathyroid Hormone Levels Worsens Outcomes in Vitamin D Depleted Critical Care Patients
This study aims to investigate the impacts of abnormally elevated PTH levels on clinical outcomes among critically ill patients with vitamin D depletion.
- Conditions
- Vitamin D Deficiency, Hyperparathyroidism, Critically Ill Patients Admitted in ICU
- Trial name
- NCT06711874
- Where
- Taiwan
- Volunteers
- 320 people
- Sponsor
- National Taiwan University Hospital
Vitamin D Deficiency
Vitamin D and Mortality: an Individual Participant Data Meta-analysis of Standardized 25-hydroxyvitamin D
Vitamin D deficiency is a risk factor for mortality but existing data are limited by missing standardization of laboratory methods for 25-hydroxyvitamin D (25[OH]D).
- Trial name
- NCT02438488
- Where
- Austria
- Volunteers
- 26,916 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Fibromyalgia, D Vitamin Deficiency
Valuation of Efficacy and Safety of Vitamin D3 Use in 80 Women Diagnosed With Fibromyalgia. Using FIQ Score and VAS.
Fibromyalgia is a disease that significantly decreases the quality of life of people who suffer from it, has great repercussions at the socio-economic level due to the incapacity it produces.
- Trial name
- NCT03369379
- Testing
- D3 Vitamin
- Where
- Mexico
- Volunteers
- 80 people
- Sponsor
- Universidad Autonoma de Nuevo Leon
Vitamin D Deficiency, Sarcopenia
Effect of Vitamin D3 Supplementation on Muscle Mass in ICU Patient
A randomized double blind placebo control trial study will be conducted in critically ill patients with vitamin D deficiency. Investigator aimed to study the effect of oral vitamin D3 supplementation, compare to placebo, on…
- Conditions
- Vitamin D Deficiency, Sarcopenia, Critical Illness
- Trial name
- NCT02594579
- Testing
- Vitamin D3
- Where
- Thailand
- Volunteers
- 40 people
- Sponsor
- Mahidol University
Rheumatoid Arthritis, Hypovitaminosis D
Treatment of Hypovitaminosis D in Rheumatoid Arthritis
This study recruits individuals with rheumatoid arthritis (RA) and low vitamin D concentrations. Subjects are dosed with vitamin D or placebo for one year.
- Trial name
- NCT00423358
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of Wisconsin, Madison
Hypercholesterolemia, Vitamin D Deficiency
Effects of Vitamin D on Lipids
The purpose of this study is to examine whether oral vitamin D supplementation in people with inadequate vitamin D concentrations will lower LDL-cholesterol and total cholesterol concentrations.
- Trial name
- NCT00723385
- Testing
- Vitamin D (1000 or 2000 IU/day)
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
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