Vitamin D Concentration

Clinical trial pipeline · Data from ClinicalTrials.gov

See which Vitamin D Concentration trials you may qualify for

Total trials

Actively recruiting

Phase 3 trials

Completed

Trial phase breakdown

Trial status

Actively recruiting — 2 trials

RecruitingNot Applicable

NCT07100795

Vitamin B12, Folic Acid and Vitamin D Status in Women of Reproductive Age

This cross-sectional observational study aims to assess serum concentrations of vitamin B12, folic acid, and vitamin D in women of reproductive age in Herzegovi…

Bosnia and Herzegovina360 participantsStarted 2024-12-23

Treatment: No Interventions

RecruitingNot Applicable

NCT07099586

Vitamin B12, Folic Acid, and Vitamin D Status in Women of Reproductive Age

This cross-sectional observational study aims to assess serum concentrations of vitamin B12, folic acid, and vitamin D in women of reproductive age in Herzegovi…

Bosnia and Herzegovina360 participantsStarted 2024-12-20

Treatment: No Interventions

All recent trials (39 shown)

Not Yet RecruitingNot Applicable

NCT07349459

Cardioprotective Effect of Melatonin Versus Vitamin D in Breast Cancer Patients Receiving Doxorubicin

This study aims to assess the cardioprotective effect of melatonin and vitamin D in breast cancer patients who receive doxorubicin.

Egypt90 participantsStarted 2026-04-30

Treatment: Group 1 (Doxorubicin group), Group 2: Vitamin D group

Not Yet RecruitingNot Applicable

NCT07146555

Vitamin D Satus in Adults With Newly Diagnosed ITP

Investigator study aims to assess the level of vitamin D in adult patients with newly diagnosed ITP and correlation between its level and treatment respose

Location not specified84 participantsStarted 2025-09-30

Treatment: No Interventions

Vitamin D Concentration

Trial phase breakdown

Trial status

Actively recruiting — 2 trials

Vitamin B12, Folic Acid and Vitamin D Status in Women of Reproductive Age

Vitamin B12, Folic Acid, and Vitamin D Status in Women of Reproductive Age

All recent trials (39 shown)

Cardioprotective Effect of Melatonin Versus Vitamin D in Breast Cancer Patients Receiving Doxorubicin

Vitamin D Satus in Adults With Newly Diagnosed ITP

Trial phase breakdown

Trial status

Actively recruiting — 2 trials

Vitamin B12, Folic Acid and Vitamin D Status in Women of Reproductive Age

Vitamin B12, Folic Acid, and Vitamin D Status in Women of Reproductive Age

All recent trials (39 shown)

Cardioprotective Effect of Melatonin Versus Vitamin D in Breast Cancer Patients Receiving Doxorubicin

Vitamin D Satus in Adults With Newly Diagnosed ITP

Phosphorus-31 Spectroscopy in Phosphate Diabetes

Effect of Allopurinol on Markers of Mineral and Bone Metabolism

Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD

Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD: a Proof-of-concept Tele-health Study of Stimulant…

Medication Adherence Monitoring Trial Using Smart Clinical Trial Application and Smart Watch

Study of Vitamin D Fortification of Milk and Oil

The Effect of an Acute Bout of Exercise on Serum Vitamin D Concentration

Vitamin D in School Children

Adjuvant Effects of Vitamin A and Vitamin D Supplementation on Treatment of Children With ADHD

Acute Effect of Systemic Stress on Measured Blood Concentrations of 25 (OH) Vitamin D

Effect of Vitamin D on Everolimus Trough Concentrations Among Heart Transplanted Patients

Efficiency of Vitamin D3 and 25-hydroxyvitamin D3 on Transcriptomic Changes of Low Vitamin D Responders

Calcium (ca),Phosphorus( P) and 25-hydroxyvitamin D(25OHD)] in Infants Born ≤ 32 PMA Gestational Weeks (GA)

A Pilot Study to Examine the Effects of Vitamin D Supplementation on Mitochondrial Bioenergetics in Older Adults

Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena?

Comparison of Changes in Serum 25(OH)D Concentrations Following Vitamin D Supplementation With Chewable Tablets Versus P…

Comparison of Sunlight Exposure and Vitamin D Supplementation on Serum 25-hydroxyvitamin D Levels

Vitamin D3 Treatment and Homocysteine Concentrations Among Overweight Reproductive Women