Clinical trials: Vitamin Deficiencies
Vitamin D Deficiency, Vitamin D Insufficiency
The Effects of Serum Vitamin D and IVF Outcome
The purpose of this study is to investigate whether an association exists between serum vitamin D levels and IVF treatment outcome
- Conditions
- Vitamin D Deficiency, Vitamin D Insufficiency, Infertility
- Trial name
- VIDIO (NCT02187146)
- Where
- United Kingdom
- Volunteers
- 504 people, healthy volunteers welcome
- Sponsor
- University of Birmingham
Covid 19, Vitamin D Deficiency
Vitamin D Testing and Treatment for COVID 19
This study will measure vitamin D levels in adults with COVID 19. Participants with low levels of vitamin D will be entered into an open label trial of supplementation with vitamin D.
- Trial name
- NCT04407286
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 41 people
- Sponsor
- Arizona State University
Sleep Disorder, Pregnancy Related
Vitamin D and Sleep Disorders in Pregnancy
Lack of sleep and poor sleep quality in pregnant women are associated with maternal depression and cognitive-sensual irregularities.
- Conditions
- Sleep Disorder, Pregnancy Related, Vitamin D Deficiency
- Trial name
- NCT04918368
- Testing
- Behavioral scales were used
- Where
- Turkey (Türkiye)
- Volunteers
- 225 people
- Sponsor
- Gaziosmanpasa Research and Education Hospital
Tooth Loss, Vitamin D3 Deficiency
Dental Implants Rehabilitation in Patients With Vitamin D3 Imbalance
Interventional retrospective prospective randomized clinical trial (RCT) in parallel groups. The sample size is 384 patients with loss of teeth and vitamin D imbalance.
- Conditions
- Tooth Loss, Vitamin D3 Deficiency, Osteomalacia
- Trial name
- NCT04841213
- Testing
- Dental implantation
- Where
- 2 sites in Russia
- Volunteers
- 384 people
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy
The Effect of Etelcalcetide on CKD-MBD
The proposed study will investigate the effects of etelcalcetide on the bone and blood-vessel health in patients with CKD-MBD. The investigators will test if etelcalcetide makes bone and blood-vessels healthier.
- Conditions
- Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Vascular Calcification, Hyperparathyroidism; Secondary, Renal
- Trial name
- Parsabiv-MBD (NCT03960437)
- Testing
- Etelcalcetide
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Thomas Nickolas, MD MS
Vitamin D Deficiency
Effects of Vitamin D Supplementation on Immune Function in Infants
Current study shows that vitamin D deficiency might affect human's immune function. Although breast milk is the best food of infants, however the vitamin D content in breast milk is low.
- Trial name
- NCT04461665
- Testing
- vitamin D
- Where
- Taiwan
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Shih Chien University
Vitamin D Deficiency
Community Interventional Trial (CITFOMIST)
The cluster randomized trial (CITFOMIST) was conducted on 15-19-year old guidance and high school students of both genders from different districts of Tehran, the Iranian capital, in winter 2011.
- Trial name
- CITFOMIST (NCT02035423)
- Testing
- 120 IU milk, 200 IU Milk, Non-Fortified Milk
- Where
- Iran
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Tehran University of Medical Sciences
Anemia, Iron-Deficiency, Deficiency, Vitamin A
Newly Formulated, Extruded Fortified-blended Foods for Food Aid: the MFFAPP Tanzania Efficacy Study
Corn-soy vitamin and mineral fortified blended foods (FBFs) are primarily used for food aid, although sorghum and cowpea may be suitable alternative FBF commodities.
- Trial name
- NCT02847962
- Testing
- Corn Soy Blend Plus (CSB+), Corn Soy Blend 14 (CSB14), White Sorghum Cowpea Blend Variety 1
- Volunteers
- 2,179 people
- Sponsor
- Kansas State University
Hypovitaminosis D
Rapid Normalization of Vitamin D in Critically Ill Children: A Phase II Dose Evaluation Randomized Controlled Trial
Documented roles for vitamin D in calcium homeostasis, cardiovascular and respiratory health, inflammation, innate immunity, and neuromuscular function have led to the hypothesis that deficiency might represent a modifiable risk…
- Trial name
- VITdAL-PICU (NCT02452762)
- Testing
- Vitamin D3
- Where
- 4 sites in Austria, Canada and 1 more
- Volunteers
- 67 people
- Sponsor
- Children's Hospital of Eastern Ontario
Vitamin B 12 Deficiency
The Impact of Vitamin B12 Deficiency on Infant Gut Microbiota
Vitamin B12 plays important roles in DNA synthesis and neurological functions. Vitamin B12 deficiency is one of the most common micronutrient deficiencies and it has become increasingly more frequent in infants.
- Trial name
- NCT03365583
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Marmara University
COVID-19, Vitamin D Deficiency
Calcitriol Supplementation in COVID-19 Patients
This is a randomized, open label study to evaluate the efficacy and safety of calcitriol supplementation in COVID-19 patients with vitamin D deficiency.
- Trial name
- NCT05415254
- Testing
- Calcitriol
- Where
- China
- Volunteers
- 86 people
- Sponsor
- RenJi Hospital
Other Preterm Infants, Vitamin D Deficiency
The Effect of Vitamin D Administration to Premature Infants on Vitamin D Status and Respiratory Morbidity
This trial objective is to assess whether doubling the daily intake of vitamin D improves serum vitamin D levels and serves as primary prevention of respiratory infections and asthma in premature infants.
- Conditions
- Other Preterm Infants, Vitamin D Deficiency, Bronchiolitis, Asthma
- Trial name
- NCT02404623
- Testing
- Vitamin D
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Soroka University Medical Center
X-linked Hypophosphatemia
Study of KRN23 in Adults With X-linked Hypophosphatemia (XLH)
The primary efficacy objective of this study is to establish the effect of burosumab treatment compared with placebo on increasing serum phosphorus levels in adults with XLH.
- Trial name
- NCT02526160
- Testing
- burosumab
- Where
- 25 sites in United States, France and 5 more
- Volunteers
- 134 people
- Sponsor
- Kyowa Kirin, Inc.
Osteoporosis, Chronic Kidney Disease Mineral and Bone Disorder
Osteoporosis & Renal Disease: Research in Primary Health Care Services
Osteoporosis, a silent and multifactorial systemic skeletal disorder, severely compromises bone strength and significantly increases the risk of fragility fractures.
- Trial name
- NCT07848490
- Testing
- Fracture risk assessment tool (FRAX), Dual-Energy X-ray Absorptiometry (DXA)
- Where
- Portugal
- Volunteers
- 622 people
- Sponsor
- Universidade do Porto
Lactate Blood Increase, Thiamine Deficiency
The Thiamine Administration After Cardiac Surgery Trial
Thiamine (Vitamin B1) is essential for cell function and as a co-factor of the enzyme Pyruvate Dehydrogenase to initiate the Krebs cycle and thus the aerobic metabolism of glucose.
- Trial name
- TAACS (NCT04641104)
- Testing
- Thiamine 500 MG
- Where
- Belgium
- Volunteers
- 200 people
- Sponsor
- Sarah Saxena
Pancreas Cancer, Vitamin D Deficiency
High-dose Vitamin D3 in Pancreas Cancer
Different studies have shown that a deficiency in vitamin D (≤20ng/mL) results in higher rates in morbidity and mortality rates in cancer patients.
- Conditions
- Pancreas Cancer, Vitamin D Deficiency, Quality of Life
- Trial name
- VITdCUT (NCT03472833)
- Testing
- High-dose, Standard dose
- Where
- Austria
- Volunteers
- 25 people
- Sponsor
- Medical University of Graz
Vitamin D Deficiency, Cardiomyopathies
Can Vitamin D Reduce Heart Muscle Damage After Bypass Surgery?
Background and study aim: Heart diseases are among the most common causes of death worldwide. A large proportion of deaths are caused by heart attacks (myocardial infarction), where blood flow to the heart is reduced resulting in…
- Conditions
- Vitamin D Deficiency, Cardiomyopathies, Apoptosis, Inflammation
- Trial name
- NCT04323852
- Testing
- Vitamin D
- Where
- Iran
- Volunteers
- 70 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
X-linked Hypophosphatemic Rickets/Osteomalacia
A Study of KRN23 in Pediatric Patients With X-linked Hypophosphatemic Rickets/Osteomalacia
Before switching to the post-marketing study: To evaluate the efficacy and safety of KRN23 administered subcutaneously once every 2 weeks in children with X-linked hypophosphatemic rickets/osteomalacia(XLH).
- Trial name
- NCT03233126
- Testing
- KRN23
- Where
- 4 sites in Japan
- Volunteers
- 16 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Rheumatoid Arthritis, Vitamin D Deficiency
Treatment of Vitamin D Deficiency in Patients With Rheumatoid Arthritis
The purpose of this study is to investigate the effect of vitamin D repletion on disease activity and disability in patients with rheumatoid arthritis.
- Trial name
- NCT01426347
- Testing
- Ergocalciferol
- Where
- United States
- Volunteers
- 139 people
- Sponsor
- Johns Hopkins University
Vitamin D Deficiency
ViDES Trial (Vitamin D Extra Supplementation)
The objective of the study is to compare supplementation with vitamin D at 800 IU/day to usual care for the first 28 days after birth with respect to 25 (OH) vitamin D levels and indicators of likely or plausible effects of…
- Trial name
- NCT05459298
- Testing
- 800 IU/day vitamin D supplementation with feedings in the first 28 days after birth, Usual Care
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- The University of Texas Health Science Center, Houston
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