Clinical trials: Diet; Deficiency
Vitamin D Deficiency, Vitamin D3 Deficiency
Development of a Screening Tool for the Risk of Vitamin D Deficiency
Since vitamin D deficiency is a condition that affects a high percentage of individuals of all ages and given the attention on the possible role of the deficiency of this vitamin in the development of various chronic diseases…
- Conditions
- Vitamin D Deficiency, Vitamin D3 Deficiency, Vitamin D
- Trial name
- EvidenceQ (NCT04404842)
- Where
- Italy
- Volunteers
- 190 people
- Sponsor
- University of Pavia
X Linked Hypophosphatemic Rickets
Growth Hormone Treatment in Children With Hypophosphatemic Rickets
This study evaluates the effect on height of a two year treatment with growth hormone in 19 children with X linked hypophosphatemic rickets.
- Trial name
- GH-XLH (NCT02720770)
- Testing
- norditropine simplex
- Volunteers
- 19 people
- Sponsor
- Bicetre Hospital
Intra-abdominal Fat, Metabolic Syndrome
Habitual Diet and Avocado Trial
The Habitual Diet and Avocado Trial will evaluate the effects of providing one avocado per day for recommended consumption over a 6 month period in a cohort of approximately 1000 free-living participants with increased waist…
- Conditions
- Intra-abdominal Fat, Metabolic Syndrome, High Cholesterol, Triglycerides High
- Trial name
- HAT (NCT03528031)
- Testing
- Intervention Daily Avocado
- Where
- 4 sites in United States
- Volunteers
- 1,008 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Choline Deficiency, Vitamin B-12 Deficiency
Cracking the Egg Potential: Improving Young Child Nutrition in Ecuador
The proposed study will fill an important gap in the literature by examining, through a randomized controlled trial, the effect of egg consumption on biochemical markers of choline, vitamin B-12, lipids, and amino acids in young…
- Conditions
- Choline Deficiency, Vitamin B-12 Deficiency, Lipids Deficiency, Amino Acids Deficiency
- Trial name
- NCT02446873
- Testing
- Egg supplementation
- Where
- Ecuador
- Volunteers
- 171 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Children, Malnutrition
Effects of "For-Baby" Supplementation on Young Children's Physical Growth and Diarrhea Episodes
The LaoBiome Study is a community-based, randomized, placebo-controlled trial with two study arms conducted in Lao People's Democratic Republic.
- Trial name
- LaoBiome (NCT05185973)
- Testing
- "For Baby "supplements provided as powder, Micronutrient powder provided as powder
- Volunteers
- 1,200 people
- Sponsor
- Lao Tropical and Public Health Institute
Hematologic Neoplasms, Gastrointestinal Symptoms
Effects of Synbiotic Supplementation on Gastrointestinal Symptoms, Appetite, and Nutritional Recovery in Patients After Autologous Bone Marrow Transplant
Patients undergoing autologous bone marrow transplantation (ABMT) receive high-dose chemotherapy and routine prophylactic antibiotics, which often disrupt the gut microbiome (dysbiosis).
- Conditions
- Hematologic Neoplasms, Gastrointestinal Symptoms, Malnutrition, Loss of Appetite
- Trial name
- NCT07845669
- Testing
- Tri-component Synbiotic Supplement
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Alexandria University
Oral Lichen Planus, Vitamin D Deficiency
Vitamin D Deficiency As a Risk Factor for the Development and Malignant Transformation of Oral Lichen Planus
To examine how a lack of vitamin D may increase the risk of developing oral lichen planus and its malignant progression while accounting for sex, food habits, sunlight, socioeconomic level, and psychological variables.
- Trial name
- NCT06033105
- Testing
- ELISA
- Where
- Egypt
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Fayoum University
Primary Hyperparathyroidism, Vitamin D Deficiency
Vitamin D Repletion in Primary Hyperparathyroidism
This study will look at the effect of 2 treatment regimens that contain vitamin D in a six-month treatment trial of patients with PHPT who are vitamin D deficient.
- Trial name
- NCT01306656
- Testing
- 10,000 IU Vitamin D3, Vitamin D
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Columbia University
Vitamin K Deficiency
Incorporation of Vitamin K Into Uremic Lipoproteins
Chronic kidney disease (CKD) patients have an increased cardiovascular risk with corresponding cardiovascular calcifications. CKD patients exhibit a functional vitamin K deficiency.
- Trial name
- NCT05360342
- Testing
- Vitamin K supplement
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- RWTH Aachen University
Intestinal Failure, Short Bowel Syndrome
Safety and Dosing Study of Glucagon-like Peptide 2 (GLP-2) in Infants and Children With Intestinal Failure
This protocol outlines a randomized,open label trial examining the safety, pharmacology and efficacy of Glucagon like peptide 2 (GLP-2) in infants and children with intestinal failure.
- Trial name
- GLP-2-01 (NCT01573286)
- Testing
- Glucagon-Like Peptide 2, Glucagon like peptide-2
- Where
- 4 sites in Canada
- Volunteers
- 13 people
- Sponsor
- Alberta Children's Hospital
Vitamin D Deficiency, Obesity
Vitamin D Deficiency in Obese Adolescent Girls and Influence of Vitamin D on Insulin Secretion and Sensitivity
Sub-clinical vitamin D deficiency is a commonly unrecognized disorder in obese adolescents. The investigators hypothesize vitamin D deficiency will be highly prevalent in obese adolescents and those who are vitamin D deficient…
- Conditions
- Vitamin D Deficiency, Obesity, Insulin Resistance
- Trial name
- NCT00850694
- Where
- United States
- Volunteers
- 114 people
- Sponsor
- University of Alabama at Birmingham
Vitamin D Deficiency (10 ng/mL to 30 ng/mL), Athletes
High-Dose Vitamin D Supplementation and Exercise Effects on Vitamin D Metabolites in Professional Football Players
This randomized, single-blind, placebo-controlled pilot study investigated the effects of high-dose vitamin D₃ supplementation and football-specific physical exercise on vitamin D metabolite concentrations in professional male…
- Conditions
- Vitamin D Deficiency (10 ng/mL to 30 ng/mL), Athletes, Football Players, Exercise Physiology
- Trial name
- VitD-Football (NCT07310329)
- Testing
- Vitamin D₃
- Where
- Poland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Wroclaw University of Health and Sport Sciences
Chronic Lymphocytic Leukemia, Non-Hodgkin Lymphoma
Cholecalciferol in Newly Diagnosed Non-Hodgkin Lymphoma or Chronic Lymphocytic Leukemia With Vitamin D Deficiency
This randomized pilot early phase I trial studies how well cholecalciferol works in treating patients with newly diagnosed non-Hodgkin lymphoma or chronic lymphocytic leukemia with low levels of vitamin D (vitamin D deficiency).
- Conditions
- Chronic Lymphocytic Leukemia, Non-Hodgkin Lymphoma, Untreated Chronic Lymphocytic Leukemia, Vitamin D Deficiency
- Trial name
- NCT02553447
- Testing
- Cholecalciferol, Laboratory Biomarker Analysis
- Where
- United States
- Volunteers
- 197 people
- Sponsor
- University of Nebraska
Vitamin D Deficiency, Fat Malabsorption
25-Hydroxyvitamin D Pharmacokinetic Study
To evaluate the pharmacokinetic parameters of orally administered 25-hydroxyvitamin D3 [25(OH)D3] and vitamin D3 from the corresponding serum concentration-time curves in healthy adults and adults with a history of intestinal…
- Trial name
- NCT03401541
- Testing
- Calcifediol, Calciferol
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Boston University
Chronic Kidney Disease Mineral and Bone Disorder, Chronic Kidney Disease (CKD)
The CPH-MBD Cohort
Persons with chronic kidney disease (CKD) have a 3-fold increased risk of bone fracture and a 10-fold increased risk of cardiovascular disease than the general population.
- Conditions
- Chronic Kidney Disease Mineral and Bone Disorder, Chronic Kidney Disease (CKD), Bone Markers
- Trial name
- NCT07193056
- Where
- Denmark
- Volunteers
- 1,000 people
- Sponsor
- Herlev Hospital
Visceral Leishmaniasis, Malnutrition
Visceral Leishmaniasis and Malnutrition in Amhara Regional State, Ethiopia
The project Visceral Leishmaniasis and Malnutrition is a cohort study that aimed to assess the association between malnutrition and visceral leishmaniasis (VL).
- Trial name
- VL&MNEthio (NCT02148822)
- Volunteers
- 520 people
- Sponsor
- Instituto de Salud Carlos III
Malnutrition, Critical Illness
Assessment of Nutritional Status in Critically Ill Children in PICU
This prospective cohort study aims to assess the nutritional status of critically ill children aged 1 month to 5 years admitted to the pediatric intensive care unit using a comprehensive ABCD approach including anthropometric…
- Trial name
- NCT07830966
- Volunteers
- 103 people
- Sponsor
- Assiut University
Obesity, Malnourished
Using Exhaled Air to Determine Changes in Nutritional Status of Patients on Intravenous Nutrition
Carbon-12 and carbon-13 are naturally-occurring isotopes that are found in exhaled breath. Investigators have proved that the 13CO2/12CO2 breath delta value (BDV) changes in subjects who were in negative energy balance then fed a…
- Conditions
- Obesity, Malnourished, Fasting
- Trial name
- UEAIVN (NCT02843256)
- Testing
- Isomark Canary
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of Wisconsin, Madison
Breast Cancer, Vitamin D Deficiency
Epidemiological Analysis of Vitamin D and Breast Cancer Risk in Saudi Arabian Women
This is an analysis of de-identified data collected from 240 Saudi Arabian women, 120 with breast cancer and 120 control women, to evalyate if vitamin D status is associated with breast cancer risk.
- Trial name
- NCT01817231
- Where
- United States
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Cerebral Palsy, Spastic
Effect of the Nutritional Support System on Neuromotor Alterations in Patients With Cerebral Palsy
Study to determine the impact of a nutritional support system (NSS) on neuromotor alterations in patients with cerebral palsy.
- Conditions
- Cerebral Palsy, Spastic, Malnutrition
- Trial name
- NSS-PC (NCT05648422)
- Testing
- Probiotics, NSS Nutritional Support System, Deworming
- Where
- Mexico
- Volunteers
- 144 people
- Sponsor
- Anahuac University