Clinical trials: Deficiency Vitamins
Nutritional Rickets, Bone Turnover Rate Disorder
Effectiveness of Vitamin C Supplementation in Treatment of Rickets
Effectiveness of therapeutic dose of vitamin C in infants and children with nutritional rickets as an adjuvant therapy with vitamin D and calcium The study is two armed Randomized Control Trial, to validate the role of Vit C…
- Trial name
- NCT05310760
- Testing
- Vit C
- Where
- Egypt
- Volunteers
- 88 people
- Sponsor
- Cairo University
Vitamin D Deficiency, Osteopenia
Monitored vs Standard Supplementation of Vitamin D in Preterm Infants
The purpose of this study is to determine wheather the monitored vitamin D (vit D) therapy is safer and more effective than standard therapy in pretrem infants.
- Conditions
- Vitamin D Deficiency, Osteopenia, Nephrolithiasis, Drug Overdose
- Trial name
- MOSVID (NCT03087149)
- Testing
- monitored vit D supplementation, standard vit D supplementation
- Where
- Poland
- Volunteers
- 109 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Vitamin D Deficiency, Burns
Vitamin D Deficiency in Adults Following a Major Burn Injury
This is a single site double blind randomized controlled trial of replacing Vitamin D for Vitamin D-deficient burn patients at a current recommended dose (400 IU daily) versus a higher dose (4000 IU daily).
- Trial name
- NCT05084248
- Testing
- Ergocalciferol Capsules
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- University of Texas Southwestern Medical Center
Breast Cancer
Vitamin D Supplementation to Correct the Vitamin D Deficiency for Breast Cancer
An open clinical trial not randomized, multicentric. This study search to evaluate vitamin D supplementation efficacy at high dose (UVEDOSE, colecalciferol, oral solution at 100 000 UI) of vitamin D on day 1 of each cycles for…
- Trial name
- OPTIVIT (NCT04091178)
- Testing
- VITAMIN D
- Where
- France
- Volunteers
- 57 people
- Sponsor
- Institut du Cancer de Montpellier - Val d'Aurelle
Carpal Tunnel Syndrome, Vitamin D Deficiency
Comparıson Of Electromyography Results Before And After Vıtamın D Treatment In Patıents Wıth Carpal Tunnel Syndrome
Therefore, we aimed to evaluate the effectiveness of vitamin D replacement therapy on pain, electrophysiological parameters, ultrasonographic measurement results and functional status scales in CTS patients with low serum vitamin…
- Trial name
- NCT06282640
- Testing
- Vitamin D
- Where
- Turkey (Türkiye)
- Volunteers
- 87 people
- Sponsor
- Dr. Ayşe Güç
Preeclampsia
Vitamin D3 Supplementation Regimens and Preeclampsia Risk
This study is a randomized controlled trial with two parallel groups connected at Al-Thawra Modern General Hospital in Sana'a, Yemen.
- Trial name
- VitD-PE-RCT (NCT07648706)
- Testing
- Vitamin D3
- Where
- Yemen
- Volunteers
- 268 people
- Sponsor
- Sana'a University
Vitamin D Deficiency
Vitamin D Dose-Response Study to Establish Dietary Requirements in Infants
The research team is comprised of an expert nutrition scientist and a pediatrician with expertise in endocrinology. Both have world-class experience in assessing bone mass in infancy.
- Trial name
- NCT00381914
- Testing
- Vitamin D
- Where
- Canada
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- McGill University
Vitamin D Deficiency
Environmental & Genetic Influences on Vitamin D Status
The purpose of this study is to determine the effect of environmental and genetic influences on Vitamin D status.
- Trial name
- NCT01208636
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Creighton University
Nutritional Rickets
Role of Calcium And Vitamin D In Nutritional Rickets And It's Management
Rickets, a common nutritional disorder, is usually considered to be due to vitamin D deficiency. However, in the last few decades many studies have shown that in tropical countries, with abundance of sunshine, calcium deficiency…
- Trial name
- ROCAVINR (NCT01578434)
- Testing
- Vitamin D, Calcium Carbonate, Vitamin D and Calcium
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Lady Hardinge Medical College
Hot Flushes, Menopause, Premature
The Role of Vitamin D in Menopause: Relationship to Menopausal Symptoms in Body Composition
Specific Aim 1: To compare effects of Vitamin D supplementation to usual care on symptoms in women transitioning to early postmenopause and determine the associated effect size in order to conduct a power analysis for a future…
- Conditions
- Hot Flushes, Menopause, Premature, Obesity, Vitamin D Deficiency
- Trial name
- FLASH (NCT01141972)
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Kaiser Permanente
Vitamin B12 Deficiency
Vitamin B12 Supplementation Study
We hope to learn the clinical and functional signs of sub-clinical vitamin B12 deficiency and its response to supplementation in non-anemic, non-pregnant, and non-lactating women in Rural Mexico.
- Trial name
- NCT00826657
- Testing
- Vitamin B12
- Where
- Mexico
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Vitamin Deficiency, Mineral Deficiency
Role of Centrum® Silver® in Improving Micronutrient Status in Older Men
Older adults are susceptible to vitamin and mineral deficiencies for a variety of reasons and have an increased demand for many of these micronutrients.
- Conditions
- Vitamin Deficiency, Mineral Deficiency, Aging
- Trial name
- NCT03004807
- Testing
- Centrum Silver Mens' Formula, Control
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Oregon State University
Osteopenia, Vitamin D Deficiency
Bone Health and Vitamin D Status
This study will compare and assess the prevalence of osteopenia and vitamin D deficiency as well as effects of TDF on the patients' bone among HIV positive and negative patients.
- Conditions
- Osteopenia, Vitamin D Deficiency, HIV Infection
- Trial name
- BHVD (NCT01634607)
- Where
- Thailand
- Volunteers
- 235 people, healthy volunteers welcome
- Sponsor
- Thai Red Cross AIDS Research Centre
Vitamin D Deficiency, 25-Hydroxyvitamin D3 Deficiency, Selective
Effect of Vitamin D3 Supplementation in Children From 12 to 30 Months of Age.
Background Vitamin D (VD) is essential for calcium absorption, bone health and growth in children. In a national representative sample authors found mean serum concentration of 25-Hydroxi-Vitamin-D (25-OH-D) of 59 nmol/L, in…
- Trial name
- NCT03544671
- Testing
- Vitamin D
- Where
- Mexico
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Instituto Nacional de Salud Publica, Mexico
Vitamin D Deficiency, Infection
Vitamin D Level and Risk of Infections in Cirrhotic Patients
It is widely known that vitamin D has an important role in calcium metabolism and bone mineralization. Its deficiency is related to rickets and osteomalacia in children and adults respectively.
- Conditions
- Vitamin D Deficiency, Infection, Liver Cirrhosis
- Trial name
- NCT03391245
- Testing
- 3- Serum 25-Hydroxy Vitamin D level will be measured by Competitive ELISA technique
- Where
- Egypt
- Volunteers
- 87 people
- Sponsor
- Assiut University
Vitamin D 25-Hydroxylase Deficiency, Vitamin D Deficiency/Insufficiency
Effects of High-Dose Vitamin D on Hormones, Neuromuscular Function, Cognition, and Body Composition in Athletes
This study aims to evaluate the effects of high-dose vitamin D3 supplementation on selected physiological, neuromuscular, and cognitive parameters in athletes.
- Trial name
- NCT07641075
- Testing
- Vitamin D supplementation
- Where
- Poland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The Jerzy Kukuczka Academy of Physical Education in Katowice
Obesity, Bariatric Surgery
Effectiveness of a Modified Cost-Effective Dietary Plan in Promoting Weight Loss and Preservation of Lean Body Mass in Patients After Bariatric Surgery
This study will see if a low-cost dietary plan, based on the standard dietary guidelines of the American Society for Metabolic and Bariatric Surgery (ASMBS) and using locally available foods, can help patients lose weight and…
- Conditions
- Obesity, Bariatric Surgery, Nutritional Status, Body Composition
- Trial name
- NCT07111767
- Testing
- Low-Cost Post-Bariatric Diet, Standard High-cost Post-Bariatric Diet
- Where
- Pakistan
- Volunteers
- 122 people
- Sponsor
- Khyber Teaching Hospital
Radiologically Isolated Syndrome, Epstein-Barr Virus Infections
Environmental Risk Factors in Multiple Sclerosis Development: Epidemiological Study of EBV Infection and Vitamin D Deficiency in RIS Patients
This is an ancillary study using samples collected in the ProBioRIS cohort (NCT06395662). The aim of the project is to highlight new biomarker candidates to assess the risk of conversion to clinically definite multiple sclerosis…
- Trial name
- RIS - EBVD (NCT07256431)
- Testing
- Antibiody titration
- Where
- France
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Nīmes
Diabetic Foot Ulcers, Vitamin D Deficiency
Vitamin D Treatment of Diabetic Patients With Foot Ulcers
The purpose of this study, is to determine whether daily supplements of vitamin D improves wound healing in diabetic patients with chronic foot ulcers.
- Trial name
- NCT03813927
- Testing
- Vitamin D
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Zealand University Hospital
Type 2 Diabetes
Relationship Between Insulin Resistance and Vitamin D in Type 2 Diabetes Mellitus (DM)
The primary aim of the study is to evaluate the association between vitamin D levels and triglyceride-glucose index as a marker of insulin resistance in patients with type 2 DM.
- Trial name
- DM (NCT07467161)
- Volunteers
- 165 people
- Sponsor
- Assiut University