Clinical trials: Dietary Supplementation
Iron-deficiency Anemia, Iron-deficiency
Bloodsafe Ghana- Iron and Nutritional Counseling Strategy Pilot Study
This pilot study has 2 components: 1) a cross-sectional assessment designed to estimate the prevalence of anaemia leading to donor deferral, the prevalence of iron deficiency (ID) and iron deficiency anaemia (IDA) among…
- Trial name
- BLIS (NCT04949165)
- Testing
- Iron Supplementation
- Where
- Ghana
- Volunteers
- 223 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
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
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
Obesity, Weight Loss
Utilizing Protein During Weight Loss to Impact Physical Function and Bone
This study is an ancillary study to the Utilizing Protein During Weight Loss to Impact Physical Function (UPLIFT) trial (NCT03074643) to evaluate the effects of diet composition (i.e., amount of protein and carbohydrate) during a…
- Conditions
- Obesity, Weight Loss, Diet Modification, Aging
- Trial name
- UPLIFT-Bone (NCT03819478)
- Testing
- Weight loss intervention months 0-6, Exercise intervention months 0-6, NutraBio™ CarboMax Supplement
- Where
- United States
- Volunteers
- 187 people
- Sponsor
- Wake Forest University Health Sciences
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)
Ketosis, Type 2 Diabetes
Exogenous Ketones in Type 2 Diabetes
Exogenous ketone supplements are proposed to have glucose-lowering potential, provide an alternative fuel for the brain and to enhance cognitive function.
- Trial name
- NCT04194450
- Testing
- Ketone monoester
- Where
- Canada
- Volunteers
- 19 people
- Sponsor
- University of British Columbia
Hyperlipidemia
Effect Of Capros Supplementation On Cardiovascular Disease Risk Factors In Humans
The hypothesis of this study is that the natural supplement Capros will decrease LDL levels, platelet aggregation, and serum concentrations of high sensitivity C-reactive protein in humans at risk for cardiovascular disease.
- Trial name
- Capros (NCT01858376)
- Testing
- Capros dietary supplement
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Chandan K Sen
Cystic Fibrosis
Ketone Supplementation in Cystic Fibrosis
This study will examine the effects of a novel ketone monester supplement on patients with cystic fibrosis experiencing an acute pulmonary exacerbation requiring hospitalization.
- Trial name
- NCT04938726
- Testing
- Ketone Monoester
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Alabama at Birmingham
Anemia, Sickle Cell
Effectiveness of Arginine as a Treatment for Sickle Cell Anemia
Sickle cell disease (SCD), also known as sickle cell anemia, is an inherited genetic disease that can cause intense pain episodes.
- Trial name
- Arginine (NCT00513617)
- Testing
- Arginine
- Where
- 17 sites in United States
- Volunteers
- 128 people
- Sponsor
- UCSF Benioff Children's Hospital Oakland
Dyslipidemias
Effect of Vitamin D Supplementation on Exercise Adaptations in Patients on Statin Therapy
Statins along with lifestyle modifications including exercise are commonly prescribed to patients with type 2 diabetes. American diabetes association recommends using moderate-intensity statin and lifestyle therapy for patients…
- Trial name
- NCT02030041
- Testing
- Vitamin D, Simvastatin
- Where
- India
- Volunteers
- 33 people
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Chronic Kidney Diseases, Cognitive Decline
Curcumin and Vascular and Cognitive Function in Patients With Chronic Kidney Disease
The proposed research is clinical study evaluating the therapeutic benefits of curcumin on vascular function in patients with chronic kidney disease (CKD).
- Trial name
- NCT03223883
- Testing
- Curcumin
- Where
- United States
- Volunteers
- 94 people
- Sponsor
- Diana Jalal
Multiple Sclerosis, Relapsing-remitting
Pharmacokinetics of Vitamin D in Multiple Sclerosis and in Health
This is a pilot study of oral vitamin D supplementation to determine if patients with Multiple Sclerosis (MS) and healthy individuals attain a similar increase in serum 25-hydroxyvitamin D levels.
- Trial name
- NCT01667796
- Testing
- Vitamin D3
- Where
- 2 sites in United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Carotid Atherosclerosis, Carotid Intimal Medial Thickness 1
Effects of Lutein Supplementation on Subclinical Atherosclerosis
This study is to investigate the possible positive effects of lutein and lycopene supplementation on early atherosclerosis in Beijing.
- Trial name
- NCT01534533
- Testing
- Lutein group, Combination group, Normal lutein control group
- Where
- China
- Volunteers
- 192 people, healthy volunteers welcome
- Sponsor
- Peking University
Pregnancy
DHA Supplementation and Pregnancy Outcome
The purpose of the study is to determine if increasing DHA intake during pregnancy can increase gestation duration and enhance infant and childhood outcomes related to visual acuity, stereoacuity, attention, and distractibility.
- Trial name
- NCT00266825
- Testing
- DHA
- Where
- 2 sites in United States
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Susan Carlson, PhD
Healthy Participants
Influenza Virus Vaccine Plus Vitamin A and D Supplements for Prevention of Respiratory Virus Infections in Children
Children are particularly vulnerable to respiratory virus infections, especially influenza. Vitamin A \& D deficiencies are associated with vulnerability to infectious diseases of the respiratory tract.
- Trial name
- NCT02649192
- Testing
- Influenza virus vaccine, Vitamins A and D
- Where
- United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- St. Jude Children's Research Hospital
Intestinal Bacteria Flora Disturbance
The Effect of Fruit/Vegetable Drinks on the Human Intestine
This is a 4 ½ week study with 20 healthy subjects (including a 2 week run-in ) . Subjects will be taking vegetable/fruit juice supplementation for 3 days.
- Trial name
- NCT02377063
- Testing
- Pressed Juice
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Obesity
Evaluation of Pulse Fibre Supplementation on Obesity and the Metabolic Syndrome
The recent dramatic increase in obesity has been linked to a reduction of dietary fibre intake. We hypothesized that supplementing the diet of overweight and obesity adults with pulse fibre will improve their metabolic status…
- Trial name
- NCT01719900
- Testing
- Pulse fibre, Control
- Where
- Canada
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Insulin Sensitivity
Effect of Vitamin D Replacement on Insulin Sensitivity
Healthy subjects with low Vitamin D levels will be randomly assigned to either Vitamin D replacement or placebo for a period of 8 weeks.
- Trial name
- NCT01268111
- Testing
- Ergocalciferols
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Texas Tech University Health Sciences Center
Iron-deficiency
Prebiotic GOS and Lactoferrin With Iron Supplements
The ultimate goal of this research is to develop a means to safely administer iron supplements to infants in settings with a high infection burden.
- Trial name
- NCT03866837
- Testing
- Galacto-oligosaccharides, Bovine lactoferrin, Multiple micronutrient powders with 5 mg iron
- Where
- 2 sites in Kenya, Switzerland
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Columbia University
Hypovitaminosis D
High Dose Preoperative Cholecalciferol Supplementation and Perioperative Vitamin D Status
A growing body of evidence suggests that robust postoperative immune function is associated with a lower risk of surgical site infections (SSIs).
- Trial name
- NCT01689779
- Testing
- 100,000 IU cholecalciferol
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Massachusetts General Hospital