Clinical trials: Vitamin Deficiencies
Urinary Incontinence, Vitamin D Deficiency
Vitamin D Supplementation in Older Adults With Urinary Incontinence
Urinary incontinence (UI) is a common disorder among older women that greatly affects quality of life. Emerging evidence from observational studies links vitamin D insufficiency with UI.
- Trial name
- NCT01971801
- Testing
- Vitamin D3 50,000 IU
- Where
- United States
- Volunteers
- 243 people
- Sponsor
- University of Alabama at Birmingham
Vitamin D Deficiency Due to Chronic Kidney Disease
Vitamin D in Dialysis Patients - Diagnostic and Therapeutic Management
The goal of this observational study is to learn about the effects of cholecalciferol administration, according to guidelines for the general population, on laboratory parameters of Chronic Kidney Disease-Mineral and Bone…
- Trial name
- NCT06571344
- Testing
- Cholecalciferol
- Where
- Poland
- Volunteers
- 160 people
- Sponsor
- Medical University of Gdansk
Vitamin A Deficiency
Vitamin A Bioavailability in Lactating Women With Marginal Vitamin A Status
The study will assess the relative bioavailability and bioefficacy of cryptoxanthin (CX) and beta-carotene (BC) from food sources for increasing breast milk carotenoid and retinol concentrations in lactating Bangladeshi women.
- Trial name
- NCT01420406
- Testing
- 0 mg retinol activity equivalents, 12 mg of BC, 6 mg of CX
- Where
- Bangladesh
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Sepsis, Thiamine Deficiency
Effect of Thiamine on Serum Glucagon And Reactive Oxygen Species (ROS)
This research is a clinical trial with a Randomized Controlled Trial (RCT) design. The purpose is to identify the effect of intravenous thiamine administration compared to normal saline placebo on glucagon levels and ROS levels…
- Trial name
- NCT05663164
- Testing
- Vitamin B
- Where
- Indonesia
- Volunteers
- 30 people
- Sponsor
- Universitas Sumatera Utara
Hypovitaminosis D, Cardiovascular Diseases
Vitamin D Supplementation on in Major Orthopedic Surgery
Prospective, monocentric study in open, aimed at evaluating the effects of supplementation with calcifediol on left ventricular function parameters in cardiopathic subjects undergoing major orthopedic surgery.
- Trial name
- NCT03403933
- Testing
- Didrogyl
- Where
- Italy
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio
Autism, Vitamin D Deficiency
Open Label Clinical Trial of Vitamin D in Children With Autism
Primary: to investigate tolerability of interventional high dose Vitamin D3 supplementation, titrated to reach serum levels near the high end of the reference range (30-100 ng/ml), in vitamin D deficient pediatric Autism Spectrum…
- Trial name
- NCT01535508
- Testing
- Liquid Vitamin D
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of California, San Francisco
Bariatric Surgery Candidate, Vitamin Deficiency
Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients
Patients undergoing bariatric surgery often develop new vitamin and/or mineral deficiencies or exacerbate prior deficiencies after surgery.
- Conditions
- Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
- Trial name
- NCT03360435
- Testing
- Patch MD MultiVitamin Plus patch
- Where
- United States
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- University of Florida
X-linked Hypophosphatemic Rickets/Osteomalacia
A Study of KRN23 in Subjects With X-linked Hypophosphatemic Rickets/Osteomalacia
The objective of this study is to assess the safety and tolerability of KRN23 after a single subcutaneous (SC) administration in subjects with X-linked hypophosphatemic rickets/osteomalacia (XLH) in Japan or Korea.
- Trial name
- NCT02181764
- Testing
- KRN23
- Where
- 2 sites in Japan, South Korea
- Volunteers
- 15 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Vitamin D Deficiency, 25-Hydroxyvitamin D Concentration
Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena?
Several studies have demonstrated that D2 treatment is associated with a decrease in 25(OH)D3 level and therefore have proposed that D3 would be preferable in term of raising total 25(OH)D level.
- Trial name
- NCT03035084
- Testing
- Vitamin D3, Vitamin D2
- Where
- Saudi Arabia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- King Faisal Specialist Hospital & Research Center
Vitamin D Deficiency, Hyperparathyroidism
Abnormally High Parathyroid Hormone Levels Worsens Outcomes in Vitamin D Depleted Critical Care Patients
This study aims to investigate the impacts of abnormally elevated PTH levels on clinical outcomes among critically ill patients with vitamin D depletion.
- Conditions
- Vitamin D Deficiency, Hyperparathyroidism, Critically Ill Patients Admitted in ICU
- Trial name
- NCT06711874
- Where
- Taiwan
- Volunteers
- 320 people
- Sponsor
- National Taiwan University Hospital
Hypovitaminosis D
To Study the Nutri-Genomic Response of Vit-D Supplementation in African-Americans
Three hundred thirty (330) overweight, pre-hypertensive/controlled hypertensive, African-American participants will be enrolled in a 8 week study to assess the effect of two administrations of Vitamin D3 on Vitamin D serum…
- Trial name
- NCT02802449
- Testing
- 25 Hydroxy- Vitamin D3 [25 (OH) D3]
- Where
- United States
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Charles Drew University of Medicine and Science
Hypovitaminosis D, Spinal Disease
Analysis of Hypovitaminosis D and Osteopenia/Osteoporosis in Spinal Disease Patients Who Underwent a Spinal Fusion at Illinois Neurological Institute, Peoria, IL., a Retrospective Review From November 1, 2012 to October 31, 2014 and Prospective Pilot From July 1, 2015-June 30, 2016
The purpose of this study is to determine if there is correlation between Vitamin D deficiency and spinal disease/spinal fusion surgery.
- Conditions
- Hypovitaminosis D, Spinal Disease, Osteoporosis
- Trial name
- NCT02534714
- Where
- United States
- Volunteers
- 460 people
- Sponsor
- OSF Healthcare System
Vitamin D Deficiency
Bioefficiency of of Conventional Fish and Vitamin D Fortified Fish
The aim of this study is to investigate the bioavailability of conventional and vitamin D fortified fish as measured by the increase of the specific hydroxy form by 25(OH)D3.
- Trial name
- NCT01696526
- Testing
- vitamin D fortified fish, conventional fish
- Where
- Germany
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Ulrike Lehmann
Mild Cognitive Impairment, Dementia
COMPARATIVE EFFECTIVENESS OF MCI and DEMENTIA TREATMENTS IN A COMMUNITY-BASED DEMENTIA PRACTICE
This retrospective study is a more extensive, confirmatory analysis of the cognitive and functional outcomes initially seen in 2 groups of MCI/dementia patients in Springfield, MA and compares specialized dementia care and a…
- Conditions
- Mild Cognitive Impairment, Dementia, Hypoxia, Hyperhomocysteinemia
- Trial name
- NCT02860338
- Volunteers
- 900 people
- Sponsor
- Clionsky Neuro Systems Inc.
Vitamin A Deficiency
Effect of Vitamin A Supplementation on Immune Responses in Human Neonates
Vitamin A supplementation (VAS) significantly reduces all-cause mortality when given after 6 months of age, but has a null or detrimental effect when given between 1-5 months.
- Trial name
- NNVAS (NCT01476358)
- Testing
- Vitamin A (retinyl palmitate).
- Where
- The Gambia
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Vitamin D Deficiency
Prevalence of Early Childhood Caries in Egyptian Children With Serum Vitamin D Deficiency.
To detect the effect of vitamin D deficiency in the development of early childhood caries (ECC) among Egyptian children.
- Trial name
- NCT03158155
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Nancy Ahmed El Salmawy
Vitamin D Deficiency
The Effect of a Meal on Vitamin D Absorption
This study seeks to determine if vitamin D3 absorption in healthy adults will be enhanced in the presence of a meal and if the enhancement will be greater when the meal is low as opposed to high in fat content.
- Trial name
- NCT01268176
- Testing
- cholecalciferol
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Tufts University
Anemia, Iron-Deficiency
the Efficacy and Safety of Vitamin C for Iron Supplementation in Adult IDA Patients
IDA patients ofen receive ferrous succinate treatment to speed up the recovery of anemia, the doctor will prescribe ferrous succinate with or without vitamin C according to their own preferences.
- Trial name
- NCT02631668
- Testing
- ferrous succinate and vitamin C, ferrous succinate
- Where
- China
- Volunteers
- 440 people
- Sponsor
- Huashan Hospital
Hypophosphatemic Rickets
Burosumab and 1-25 (OH) Vitamin D on Human Osteoclasts
Fibroblast growth factor 23 (FGF23) is the cornerstone of phosphate / calcium / vitamin D metabolism: it is synthesized mainly by osteocytes and acts as a Phosphating agent, inhibitor of dihydroxyvitamin D, and inhibitor of…
- Trial name
- HYPO-CLASTE (NCT04184661)
- Testing
- blood sample
- Where
- 3 sites in France
- Volunteers
- 52 people
- Sponsor
- Hospices Civils de Lyon
Cardiovascular Diseases, Heart Diseases
Plasma Homocysteine Distribution in the United States
To describe the distribution of homocysteine and prevalence of hyperhomocysteinemia with emphasis on race, sex and age. To determine the extent to which hyperhomocysteinemia is associated with status of folate and vitamin B12.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Hyperhomocysteinemia
- Trial name
- NCT00005483
- Sponsor
- Tufts University
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