Clinical Trials for Vitamin D Deficiency

Effect of Vitamin D Deficiency on the Frequency and Severity of Spinal Anesthesia-Induced Hypotension in Pregnant Women Undergoing Cesarean Section

NCT ID: NCT07057362

This clinical trial is looking at whether low levels of vitamin D in pregnant women affect how often and how badly their blood pressure drops during spinal anesthesia for a planned cesarean section...

Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients

NCT ID: NCT04677816

This clinical trial is studying whether taking vitamin D supplements can improve treatment outcomes for patients with a specific type of breast cancer called triple negative breast cancer, especial...

Clinical Trial of Vit D and Calcium for Recurrent BPPV

NCT ID: NCT05863949

This clinical trial is looking at the effects of vitamin D and possibly calcium supplements in helping people who frequently experience a type of dizziness called benign paroxysmal positional verti...

ViDES Trial (Vitamin D Extra Supplementation)

NCT ID: NCT05459298

The ViDES Trial is a research study looking at the effects of vitamin D supplementation in extremely premature infants, specifically those born before 28 weeks of pregnancy or weighing less than 10...

Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS)

NCT ID: NCT04355572

This clinical trial is investigating how vitamin D replacement affects the health and well-being of adolescent females who are at risk for Polycystic Ovarian Syndrome (PCOS) and have low levels of ...

Preoperative Correction of Vitamin D Deficiency in Total Joint Arthroplasty (TJA)

NCT ID: NCT07006714

This clinical trial is looking at whether giving a one-time high dose of vitamin D to patients who have low levels before joint surgery can help reduce complications after the surgery. The study fo...

Association of Vitamin D Status With Metabolic Markers in Adolescents With Polycystic Ovary Syndrome

NCT ID: NCT06970821

This clinical trial is studying how vitamin D levels relate to metabolic health in adolescent girls with polycystic ovary syndrome (PCOS). PCOS is a condition that affects hormone levels and can ca...

Clinical Assessment of Adjunctive Omega-3 Versus Vitamin D Daily Supplements on Active Periodontal Therapy With Stage II Grade B Periodontitis Patients

NCT ID: NCT06654063

This clinical trial is studying the effects of two different daily supplements—Omega-3 and Vitamin D—on patients receiving treatment for a specific type of gum disease called stage II grade B perio...

Clinical Comparative Evaluation of the Use of Photodynamic Therapy in Conjunction With the Use of Vitamin D in Management Stage II Grade B Periodontitis Patients

NCT ID: NCT06700122

This clinical trial is studying the effects of a treatment method called photodynamic therapy combined with vitamin D to help manage a type of gum disease known as Stage II Grade B periodontitis. T...

Challenges in Achieving Adequate Dietary Status of Women

NCT ID: NCT06745817

Vitamin A Supplementation in Allogeneic Stem Cell Transplantation.

NCT ID: NCT06450925

This clinical trial is investigating whether taking a high dose of vitamin A can help prevent a condition called moderate-severe chronic graft-versus-host disease (GVHD) in patients who receive ste...

High Dose Interval Vitamin D Supplementation in Patients With Inflammatory Bowel Disease Receiving Biologic Therapy

NCT ID: NCT04331639

This clinical trial is studying the effects of high-dose vitamin D supplements in patients with Inflammatory Bowel Disease (IBD), which includes conditions like Crohn's disease and ulcerative colit...

Investigating the Relationship Between Temporal Bone CT, Bone Density, and Hearing Loss in Otosclerosis Patients

NCT ID: NCT06830187

This clinical trial is looking at how certain imaging tests, bone health, and hearing ability are connected in adults with a condition called otosclerosis, which affects hearing. The researchers wa...

Vitamin D and Polycystic Ovarian Syndrome (PCOS)

NCT ID: NCT03989778

This clinical trial is studying the effects of combining metformin, a medication commonly used to treat insulin resistance, with Vitamin D supplementation in women who have Polycystic Ovarian Syndr...

Vitamin D Sulfates in Breastmilk

NCT ID: NCT06203041

This clinical trial is studying the levels of vitamin D sulfates in breastmilk and how they affect infants. The researchers want to understand how much vitamin D is transferred from the mother’s mi...

The Impact of Vitamin D Supplementation in Hypertensive Vitamin D Deficient Patients.

NCT ID: NCT06645041

This clinical trial is exploring how vitamin D supplementation affects patients with high blood pressure who also have low levels of vitamin D. Researchers want to see if taking vitamin D can help ...

The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients

NCT ID: NCT03188796

The VITDALIZE Study is researching whether high doses of vitamin D3 can help improve survival rates in critically ill adult patients, particularly those who have low levels of vitamin D. The study ...

Vitamin D and Health Status of British African-Caribbean Women

NCT ID: NCT04179370

This clinical trial is studying the vitamin D levels of British African-Caribbean women, who are at risk for vitamin D deficiency. Vitamin D is important for strong bones and may help reduce the ri...

Vitamin D Deficiency in Adults Following a Major Burn Injury

NCT ID: NCT05084248

This clinical trial is studying how different doses of Vitamin D can help adults who have suffered from major burn injuries and have low levels of Vitamin D. Participants will be randomly assigned ...

Study to Document the Phenomenon of Vitamin D Deficiency and Its Added Value in Patients with Low-energy Osteoporotic Hip Fracture, in Daily Practice in Greece.

NCT ID: NCT06643650

This clinical trial is looking at the role of vitamin D in helping patients who have suffered low-energy hip fractures, which often occur in older adults with osteoporosis (a condition that weakens...