Clinical Trials for Vitamin D Deficiency

Find clinical trials for vitamin d deficiency. Discover research opportunities and treatment options in your area.

34 Active Trials Found

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Early Vitamin D3 Supplementation for Critically Ill Patients

NCT ID: NCT05937789

This clinical trial is studying the effects of early vitamin D3 supplementation in critically ill patients who have low levels of vitamin D. Researchers want to find out if giving these patients vi...

Recruiting

Phase: NA Type: interventional Locations: Taipei, Taiwan

Oral Vitamin D Supplementation Prevent Peritoneal Dialysis-related Peritonitis

NCT ID: NCT05860270

This clinical trial is studying whether taking oral vitamin D can help prevent infections related to peritoneal dialysis, especially after a patient has had an episode of peritonitis (an infection ...

Recruiting

Phase: PHASE4 Type: interventional Locations: Beijing, Beijing, China

Vitamin D and Immune Mechanisms of Hypertension in Type 2 Diabetics

NCT ID: NCT03348280

This clinical trial is studying how certain white blood cells, called monocytes, from people with type 2 diabetes might affect blood pressure, especially in those who have low levels of vitamin D. ...

Recruiting

Type: observational Locations: Saint Louis, Missouri, United States, Saint Louis, Missouri, United States

Randomized Trial of Enteral Vitamin D Supplementation in Infants < 28 Weeks Gestational Age or <1000 Grams Birth Weight

NCT ID: NCT05694689

This clinical trial is studying the effects of vitamin D supplementation in very premature infants, specifically those born before 28 weeks of pregnancy or weighing less than 1000 grams at birth. T...

Recruiting

Phase: NA Type: interventional Locations: Galveston, Texas, United States

Estimation of the Dietary Requirement for Vitamin D in Ethnic Groups

NCT ID: NCT06067477

This clinical trial is looking at how much vitamin D is needed by different ethnic groups living in the UK, especially during the winter months when sunlight, which helps our bodies make vitamin D,...

Recruiting

Phase: NA Type: interventional Locations: Guildford, United Kingdom

The Effectiveness of Vitamin D Supplementation in Patients With End-stage Knee Osteoarthritis

NCT ID: NCT05981534

This clinical trial is studying the effects of vitamin D supplements on patients with end-stage knee osteoarthritis (OA), a painful condition that affects movement and often leads to disability in ...

Recruiting

Phase: NA Type: interventional Locations: Hong Kong, Hong Kong, Hong Kong, New Territories, Hong Kong +1 more

Effects of Vitamin D on Health Promotion During Pregnancy and Its Impact on Prematurity-Related Outcome

NCT ID: NCT06292195

The VitDTracking study is researching how vitamin D levels during pregnancy affect the health of mothers and their babies, particularly looking at the risk of premature births. This is important be...

Recruiting

Type: observational Locations: Beja, Portugal, Portalegre, Portugal +1 more

The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants.

NCT ID: NCT06199102

This clinical trial is looking at how effective a special vitamin D supplement is for preterm infants. Vitamin D is important for healthy bones and can help prevent certain health problems. The stu...

Not yet recruiting

Phase: NA Type: interventional Locations: Warsaw, Poland

Beneficial Effects of Vitamin D Combined With Oral Iron Supplementation in Patients With Chronic Heart Failure and Iron Deficiency

NCT ID: NCT05702970

This clinical trial is studying the effects of vitamin D combined with a type of oral iron supplement called sucrosomial iron in patients who have heart failure and low iron levels. The main goal i...

Not yet recruiting

Phase: PHASE4 Type: interventional

Vitamin D Supplementation in Pediatrics. Oral or Parenteral! D2 or D3

NCT ID: NCT06176157

This clinical trial is studying how effective different forms of Vitamin D supplements are for children in Egypt who have low levels of Vitamin D. Specifically, it will compare two types of Vitamin...

Not yet recruiting

Phase: PHASE4 Type: interventional

Effects of Vitamin D on the Behaviours, Mental, and Physical Health of Prisoners

NCT ID: NCT05724316

This clinical trial is studying how vitamin D (VD) supplements can affect the mental and physical health of prisoners. Researchers believe that many prisoners have low levels of vitamin D because t...

Recruiting

Phase: NA Type: interventional Locations: Henley On Thames, United Kingdom

Effects of Vitamin D Supplementation in Adolescents With Asthma, Obesity and Vitamin D Deficiency.

NCT ID: NCT05431920

This clinical trial is studying the effects of vitamin D supplementation in adolescents aged 12 to 17 who have non-allergic asthma, obesity, and low levels of vitamin D. The purpose of the study is...

Recruiting

Phase: NA Type: interventional Locations: Mexico City, Mexico

Menier's Disease - Bone Density Study

NCT ID: NCT05322538

This clinical trial, called the Menier's Disease - Bone Density Study, is looking into how Meniere's disease, a condition that affects the inner ear and causes symptoms like dizziness and hearing l...

Not yet recruiting

Phase: NA Type: interventional

Vitamin D in School Children

NCT ID: NCT05018988

This clinical trial, titled "Vitamin D in School Children," aims to understand how much vitamin D school children in Northern Ireland have in their bodies and whether a daily supplement can help. T...

Recruiting

Phase: NA Type: interventional Locations: Coleraine, Londonderry, United Kingdom

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