Clinical trials: Vitamin Deficiencies
COVID-19 Pandemic, Vitamin D Deficiency
COVID-19 and Vitamin D: Length of Hospital Stay and Mortality
The lack of a pharmacological treatment in the COVID-19 pandemic has pushed scientists to search for this issue. Maintaining optimal health is parallel to adequate and balanced nutrition.
- Trial name
- NCT05221983
- Where
- Turkey (Türkiye)
- Volunteers
- 168 people
- Sponsor
- Yuksek Ihtisas University
Pregnancy Related, Vitamin B 12 Deficiency
Vitamin B12 Supplementation During Pregnancy on Cognitive Development
Scientific basis: Globally, vitamin B12 deficiency is one of the most common micronutrient deficiencies. The only relevant source of vitamin B12 is animal-source foods and poor gut function may decrease absorption.
- Conditions
- Pregnancy Related, Vitamin B 12 Deficiency, Anemia
- Trial name
- VitaPreg (NCT03071666)
- Testing
- cobalamin
- Where
- Nepal
- Volunteers
- 800 people
- Sponsor
- Centre For International Health
Vitamin d Deficiency
Vitamin D Levels in Neonatal Umbilical Cord Blood: Factors and Prognostic Analysis
This study is a retrospective-prospective cohort study that investigates the factors influencing neonatal umbilical cord blood 25(OH)D levels, and the impact of exposure to low intrauterine 25(OH)D levels on neonatal prognosis.
- Trial name
- NCT06111066
- Where
- China
- Volunteers
- 186 people
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Vitamin Deficiencies
Trial Comparing Elan Specialized Bariatric Supplements With Standard Multivitamins in Patients Undergoing Bariatric Procedures
Obesity has escalated to pandemic levels, impacting over 650 million adults globally and significantly contributing to the burden of non-communicable diseases such as type 2 diabetes, cardiovascular disease, obstructive sleep…
- Trial name
- NCT07021170
- Testing
- Elan Believe, Elan Compass, Elan Supreme
- Where
- Egypt
- Volunteers
- 624 people, healthy volunteers welcome
- Sponsor
- General Committee of Teaching Hospitals and Institutes, Egypt
Chronic Kidney Disease Mineral and Bone Disorder, Hypertension
Reducing Inflammation to Improve Vascular and Bone Outcomes With Low-dose Colchicine in CKD
The overall objective of this pilot randomized clinical trial is to determine whether low-dose Colchicine (LoDoCo) improves vascular disease including vascular calcification, peripheral arterial disease (PAD), and chronic kidney…
- Conditions
- Chronic Kidney Disease Mineral and Bone Disorder, Hypertension, Diabetes, Dyslipidemia
- Trial name
- RESOLVE-CKD (NCT07654231)
- Testing
- Low-dose Colchicine at 0.5mg daily, Usual Care
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Texas Southwestern Medical Center
Ulcerative Colitis, Crohn's Disease
Multimodal Approach in IBD Patients
The investigators intend to assess the role of several biomarkers in the prediction of relapse in IBD. Clinical, laboratory and endoscopic data will be gathered and a predictive score will be derived in order to assess the…
- Conditions
- Ulcerative Colitis, Crohn's Disease, Nonalcoholic Fatty Liver Disease (NAFLD), Vitamin D Deficiency
- Trial name
- MAID (NCT01705522)
- Where
- Romania
- Volunteers
- 50 people
- Sponsor
- Clinical Hospital Colentina
Inflammatory Bowel Diseases, Vitamin D Deficiency
Vitamin D Repletion and Maintenance in IBD: How Much and How Often
Inflammatory bowel disease (IBD), which includes ulcerative colitis (UC) and Crohn's disease (CD), are chronic relapsing inflammatory conditions of the gastrointestinal tract.
- Trial name
- NCT03053414
- Testing
- Vitamin D (ergocalciferol and/ or cholecalciferol)
- Where
- United States
- Sponsor
- Cedars-Sinai Medical Center
Prediabetes, Vitamin D Deficiency
Oral Cholecalciferol in Prevention of Type 2 Diabetes Mellitus
Type 2 diabetes mellitus (T2DM) is a major public health problem .Prevalence of vitamin D deficiency is also high i.e. 78-96% in different groups of population in north India.
- Trial name
- NCT01436916
- Testing
- oral cholecalciferol + life style counselling
- Where
- India
- Volunteers
- 50 people
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Hypertension, Vitamin D Deficiency
Effects of Vitamin D on Renin Expression in Hypertensive Patients
The cardiovascular effects of vitamin D therapy (in humans) have been documented only in patients with known vitamin D deficiency or hyperparathyroidism (a surrogate marker of inadequate vitamin D activity).
- Trial name
- NCT00585442
- Testing
- calcitriol
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Utah
Hypertensive Disorder of Pregnancy, Vitamin D Deficiency
Vitamin D Deficiency With Selected Vitamin D Receptor Gene Polymorphism in Gestational Hypertension
This study aim to look into the prevalence of Vitamin D deficiency among Malaysian pregnant women and its associated risk factors.
- Trial name
- NCT05659173
- Testing
- Blood taking
- Where
- Malaysia
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universiti Putra Malaysia
Hepatitis C Infection, Vitamin D Deficiency
Effects of Vitamin D on Inflammation in Liver Disease
Chronic liver diseases are associated with inflammation. The investigators postulate that Vitamin D may modulate inflammation. Thus the investigators will study the effect of Vitamin D replacement in patients with Hepatitis C…
- Trial name
- NCT01754961
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Veterans Medical Research Foundation
Calcium Deficiency, Vitamin D Deficiency
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a newly developed calcium carbonate-vitamin D3 chewable tablet formulation increases the amount of calcium excreted in urine and decreases…
- Trial name
- Osteopro (NCT01639222)
- Testing
- Calcium 500 mg and Vitamin D3 800 IU, Low calcium meals
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Takeda
Pregnancy, Autistic Disorder
Screening for Metabolic Problems in Mothers of Children With Autism and Typically Developing Children
The purpose of this research study is to screen for metabolic abnormalities that are maternal risk factors for having a child with autism.
- Conditions
- Pregnancy, Autistic Disorder, Folic Acid Deficiency
- Trial name
- NCT02674022
- Testing
- Prenatal supplement
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Fibromyalgia (FM), Vitamin B 12 Deficiency
Pre- and Post-Treatment Investigation of B12 and Folic Acid (Folate) Levels in Patients Receiving Antiepileptic (Anticonvulsant) Treatment for Fibromyalgia: Retrospective Study
Fibromyalgia is a rheumatological disorder characterised by chronic widespread body pain, second most common after osteoarthritis. The overall prevalence is 2-8% and it is more common in women.
- Conditions
- Fibromyalgia (FM), Vitamin B 12 Deficiency, Folic Acid Deficiency
- Trial name
- NCT07013305
- Where
- Turkey (Türkiye)
- Volunteers
- 104 people
- Sponsor
- Gaziosmanpasa Research and Education Hospital
Vitamin D Deficiency
Utility of a Urine Screening Tool for Vitamin D Deficiency in Infants and Toddlers
Background: Vitamin D plays a key role in calcium absorption in the gut and in skeletal development. Vitamin D deficiency is common, affecting an estimated one billion people worldwide, including developed countries.
- Trial name
- NCT01105689
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic
Vitamin A Deficiency
Vitamin A Absorption From Cassava in Women
The purpose of this study is to determine the vitamin A equivalents in high-carotenoid varieties of cassava.
- Trial name
- FL-80 (NCT01381276)
- Testing
- Beta-Carotene bio-fortified cassava porridge without oil, Beta-Carotene bio-fortified cassava porridge with oil, White cassava porridge with retinyl palmitate reference dose
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Healthy
Defining Vitamin D Insufficiency in School Age Children: A Randomized Placebo Controlled Trial of Vitamin D3
The study objective is to characterize the threshold levels of serum 25-hydroxyvitamin D for the definition of vitamin D insufficiency in 8-14 year old African American and Caucasian children.
- Trial name
- Vitamin D RCT (NCT00732758)
- Testing
- Vitamin D3 1000 IU
- Where
- United States
- Volunteers
- 157 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Sickle Cell Disease, Anemia, Sickle Cell
Daily Vitamin D for Sickle-cell Respiratory Complications
This study aims to answer the question whether daily oral vitamin D supplementation can reduce the risk of respiratory or lung complications in children and adolescents with sickle cell disease.
- Conditions
- Sickle Cell Disease, Anemia, Sickle Cell, Anemia, Hemolytic, Congenital, Respiratory Tract Diseases
- Trial name
- ViDAS-2 (NCT04170348)
- Testing
- Daily oral vitamin D3, 3,333 IU, Monthly oral vitamin D3, 100,000 IU
- Where
- United States
- Volunteers
- 58 people
- Sponsor
- Columbia University
Female Infertility Due to Diminished Ovarian Reserve, Vitamin D Deficiency
Differences in Ovarian Reserve Markers and Vitamin D Between Infertile Indian, Arabian and Caucasian Population
The aim of this study is to confirm the difference in ovarian reserve markers and serum vitamine D levels between infertile indian, arabian and caucasian population.
- Conditions
- Female Infertility Due to Diminished Ovarian Reserve, Vitamin D Deficiency, Hormone Deficiency, Follicular Cyst of Ovary
- Trial name
- NCT02209168
- Where
- Spain
- Volunteers
- healthy volunteers welcome
- Sponsor
- IVI Madrid
Healthy, Thiamine and Niacin Deficiency States
Natural Versus Synthetic Vitamin B Complexes in Human
In a cross-over study the investigators evaluate the effects of natural (Panmol-B-Complex) (Pan [Greek] = all; moles [Latin] = molecules/particles - brand name) versus synthetic vitamin B complexes to identify the bioavailability…
- Conditions
- Healthy, Thiamine and Niacin Deficiency States, Pyridoxine Deficiency, Folic Acid Deficiency Anemia, Dietary
- Trial name
- NCT03444155
- Testing
- Natural Panmol-B-Complex, Synthetic Vitamin B-Complex
- Where
- Austria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
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