Clinical trials: Vitamin Supplementation
Osteoarthritis, Knee, Vitamin D Supplementation
Vitamin D Supplementation in Knee Osteoarthritis
Muscular (i.e., quadriceps) weakness is a major risk factor for predisposing the knee to osteoarthritis, impairing physical function, and increasing patient-reported pain.
- Trial name
- VitD-OA (NCT04121533)
- Testing
- Vitamin D (cholecalciferol), Glucosamine sulfate and omega-3 fatty acids
- Volunteers
- 73 people
- Sponsor
- Intermountain Health Care, Inc.
Diminished Ovarian Reserve, IVF Outcomes
The Effect of VitC on IVF Outcome of DOR Patients
In the context of the accelerating aging population and the continuous decline in birth rates nationwide, delaying reproductive aging in women and protecting the fertility of women of childbearing age have become urgent issues…
- Trial name
- DORIVF-VC (NCT06794047)
- Testing
- Vitamin C
- Where
- 6 sites in China
- Volunteers
- 1,100 people
- Sponsor
- Peking University Third Hospital
Colon Cancer
NIMA-Colon Cancer Study
The goal of this study is to evaluate the effects of nutritional supplementation and physical activity interventions on recovery, muscle strength, nutritional status, inflammation, and metabolic health in adults with colon cancer…
- Trial name
- NIMA (NCT07534852)
- Testing
- Standard hypercaloric-hyperproteic nutritional supplementation, HMB-enriched hypercaloric-hyperproteic nutritional supplementation with vitamin D and calcium, Supervised exercise program
- Where
- Spain
- Volunteers
- 120 people
- Sponsor
- Fundación Pública Andaluza para la Investigación de Málaga en Biomedicina y Salud
Perimenopause, Perimenopausal Women
12-week Multi-vitamin/Mineral Supplementation on Peri-menopause Symptoms, Cognition, Sleep, and Psychological Well-being.
Perimenopause is a stage of transition into menopause that is marked by menopausal symptoms while menstruation is still taking place.
- Conditions
- Perimenopause, Perimenopausal Women, Perimenopause, Climacteric Syndrome
- Trial name
- NCT07242430
- Testing
- Multivitamin/mineral supplement
- Where
- United Kingdom
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Vitamin D Deficiency
Topical Delivery of Vitamin D3 as Vitamin D Supplementation
After obtaining the approval from the IRB of University of Dammam and informed consent from 550 healthy patients, with vitamin D deficiency and vitamin D insufficiency and deficiency were recruited.
- Trial name
- NCT02735200
- Testing
- Application of topical vitamin d3 (Top-D), Application of Aloe vera gel
- Where
- Saudi Arabia
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Imam Abdulrahman Bin Faisal University
SARS-CoV 2
Impact of Zinc and Vitamin D3 Supplementation on the Survival of Aged Patients Infected With COVID-19
Mortality from Covid-19 increases with age, reaching 14.8% from the age of 80. The severity of the infection is linked to the acute respiratory distress syndrome (ARDS) which requires intensive care.
- Trial name
- ZnD3-CoVici (NCT04351490)
- Testing
- Zinc gluconate, 25-OH cholecalciferol
- Sponsor
- University Hospital, Lille
Diabetes Mellitus, Type 1, Hypoglycemia
Pilot Study of OMEGA-3 and Vitamin D in High-Dose in Type I Diabetic Patients
The investigator propose to test the safety and efficacy of a regimen that combines Omega-3 Fatty Acids and Vitamin D in a design that considers timing and duration of administration in relation to their effects and predicted…
- Conditions
- Diabetes Mellitus, Type 1, Hypoglycemia, Diabetes Mellitus, Diabetes, Autoimmune
- Trial name
- POSEIDON (NCT03406897)
- Testing
- Cholecalciferol, Omega 3 fatty acid
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Rodolfo Alejandro
Vitamin D Insufficiency, Vitamin D Deficiency
Vitamin D Inadequacy in Rural Populations, Evaluation of Correction by Food Supplementation
The purpose of the research is to describe vitamin D levels and bone status in a rural Wisconsin population. It is probable that individuals of varying age and ethnicity require different amounts of D to achieve optimal status.
- Trial name
- NCT00690417
- Testing
- Cholecalciferol (vitamin D3)
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Covid19
Vitamin D3 Levels in COVID-19 Outpatients From Western Mexico
The immunomodulatory effects of vitamin D are known to be beneficial in viral infections, it is also known that its deficiency is associated with a worse prognosis of COVID-19.
- Trial name
- NCT04793243
- Testing
- Vitamin D3
- Where
- Mexico
- Volunteers
- 42 people
- Sponsor
- University of Guadalajara
AMD, Soft Drusen
Study to Evaluate the Response to Supplementation With Postbiotics in Patients With Macular Degeneration.
A pilot study to establish the efficacy and safety of supplementation with postbiotics in patients with macular degeneration.
- Conditions
- AMD, Soft Drusen, Reticular Pseudodrusen, Drusen Stage Macular Degeneration
- Trial name
- REVERS (NCT05056025)
- Testing
- Postbotics and Vitamins, Vitamins
- Where
- Spain
- Volunteers
- 48 people
- Sponsor
- Institut de la Macula y la Retina
Reticular Pseudodrusen (RPD), Age-Related Macular Degeneration
Vitamin A Palmitate Supplementation in Patients With Reticular Pseudodrusen (RPD) and Delayed Dark Adaptation
Background: Age-related macular degeneration (AMD) is an eye disease. It is the leading cause of vision loss in people over 55 in the U.S. Changes in the eye can make it difficult for they eye to adjust to low light.
- Trial name
- NCT03478878
- Testing
- Vitamin A Palmitate
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- National Eye Institute (NEI)
Pregnancy, High Risk
Use of Dietary Supplements in Patients at Risk of Abortion Treated With Progesterone.
The trial aims to investigate the effect of supplementation with hyaluronic acid, alpha-lipoic acid, magnesium, vitamin D and vitamin B6 in progesterone-treated pregnant women with risk factors for abortion.
- Trial name
- NCT04874285
- Testing
- HA
- Where
- Italy
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Lo.Li.Pharma s.r.l
Breast, Breast Cancer
A Study of High-Dose Vit D Versus Standard of Care Vit D Supplementation
This is a randomized study evaluating the effects of early intensive vitamin D supplementation compared to standard of care vitamin D supplementation on bone health over an 18 month period.
- Conditions
- Breast, Breast Cancer, Osteoporosis
- Trial name
- NCT05016310
- Testing
- High Dose Vitamin D, Standard of Care Vitamin D
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Wake Forest University Health Sciences
Osteoporosis, Osteopenia, Osteoporosis, Postmenopausal
Effects of Vitamin D Supplementation in Muscle Strength and Balance Training
Introduction: In Brazil, a person who is sixty years old or more is considered elderly. The incidence of osteoporosis and osteopenia has been increasing, as have fractures resulting from falls.
- Trial name
- NCT03367585
- Testing
- Physical exercise + Vitamin D3, Physical exercise
- Where
- Brazil
- Volunteers
- 46 people
- Sponsor
- University of Sao Paulo General Hospital
Crohn Disease, Vitamin D Deficiency
Can Vitamin D Supplementation in People With Crohn's Disease Improve Symptoms as an Adjunct Therapy?
There are around 115,000 people in the United Kingdom suffering with Crohn's Disease (CD). CD can cause inflammation and ulcers to develop anywhere within the gut.
- Trial name
- D-CODE (NCT03718182)
- Testing
- Cholecalciferol
- Where
- United Kingdom
- Volunteers
- 50 people
- Sponsor
- University Hospital Birmingham NHS Foundation Trust
Asthma
Trial of Vitamin D Supplementation in Asthma
The study null hypothesis is that vitamin D supplementation will not influence time to upper respiratory tract infection or time to severe asthma exacerbation in adult and adolescent patients with asthma.
- Trial name
- ViDiAs (NCT00978315)
- Testing
- Cholecalciferol, Miglyol oil
- Where
- 4 sites in United Kingdom
- Volunteers
- 250 people
- Sponsor
- Barts & The London NHS Trust
Exercise Training, Dietary Supplements
Fish Nutrient Supplementation in High-intensity Functional Training
Nowadays, many persons who exercise consume dietary supplements. Previous scientific studies have found that protein supplementation increases muscle mass when combined with an exercise program.
- Trial name
- NCT05402527
- Testing
- Fish nutrients, Whey protein, Maltodextrin
- Where
- Greece
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Primary Hyperparathyroidism
Vitamin D Supplementation After Parathyroid Surgery
A randomised double blind clinical trial, accepted by the Medical Products Agency and registered in the European Clinical Trials Database.
- Trial name
- NCT00982722
- Testing
- cholecalciferol and calcium carbonate, calcium carbonate
- Where
- 2 sites in Sweden
- Volunteers
- 150 people
- Sponsor
- Karolinska University Hospital
Hypertensive Disorders of Pregnancy
Vitamin D and Hypertensive Disorders of Pregnancy
The purpose of this study is to further investigate the association between vitamin D deficiency/insufficiency and hypertensive disorders of pregnancy by studying the impact of screening for vitamin D deficiency and…
- Trial name
- NCT07017920
- Testing
- Vitamin D Levels measurement
- Volunteers
- 594 people
- Sponsor
- TriHealth Inc.
Cardiac Valve Replacement Complication
Short Term Effect of Vitamin D Supplementation on the Clinical Outcomes in Patients Undergoing Valve Replacement Surgery
This study evaluates the effect of Vitamin D supplementation on ICU and hospital LOS in patients undergoing valve replacement surgery.
- Trial name
- NCT04085770
- Testing
- Alfacalcidol 1 MCG Oral Capsule
- Where
- Egypt
- Volunteers
- 86 people
- Sponsor
- Cairo University
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