Clinical trials: Diet; Deficiency
X-linked Hypophosphatemia, Hypophosphatemic Rickets
Calcitriol Monotherapy for X-Linked Hypophosphatemia
Children and adults with XLH recruited will be treated with calcitriol alone (without phosphate supplementation) for one year, during which the calcitriol dose will be escalated during the first 3 months of therapy.
- Conditions
- X-linked Hypophosphatemia, Hypophosphatemic Rickets, Hypophosphatemic Rickets, X-Linked Dominant
- Trial name
- NCT03748966
- Testing
- Calcitriol
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Massachusetts General Hospital
Ovarian Cancer, Breast Cancer
A Study of Serum Folate Levels in Patients Treated With Olaparib
This is a study investigating folate deficiency (lack of folic acid in the blood) in patients who take the drug olaparib to treat their advanced ovarian or breast cancer.
- Conditions
- Ovarian Cancer, Breast Cancer, Folic Acid Deficiency
- Trial name
- NCT04024254
- Testing
- Folic Acid Tablet
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Rush University Medical Center
Frailty, Malnutrition
Frail2Fit Study: Online Nutrition and Exercise Support for Older Adults With Frailty
Frail2Fit will explore the feasibility of training volunteers to deliver online nutrition, exercise, and behaviour change (supported self-management) to improve the health of older people after discharge from hospital.
- Conditions
- Frailty, Malnutrition, Sedentary Behavior
- Trial name
- NCT05384730
- Testing
- Group nutrition and exercise support
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University Hospital Southampton NHS Foundation Trust
Hypocalcemia, Rickets
Studies With 1,25-Dihydroxycholecalciferol
Vitamin D in the diet undergoes changes in the liver and kidneys to several forms. Patients suffering from disorders with Vitamin D resistance are unable to absorb calcium from food.
- Trial name
- NCT00001151
- Testing
- 1,25-Dihydroxycholecalciferol
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Pulmonary Arterial Hypertension, Familial Primary Pulmonary Hypertension
Carnitine Consumption and Augmentation in Pulmonary Arterial Hypertension
In preparation for a future mechanistic study, investigators now propose to test the specific hypothesis that carnitine consumption is not reduced in PAH, that plasma carnitine levels are stable over time in PAH and that…
- Conditions
- Pulmonary Arterial Hypertension, Familial Primary Pulmonary Hypertension, Primary Pulmonary Hypertension, Lung Diseases
- Trial name
- NCT04908397
- Testing
- L-carnitine
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Vanderbilt University Medical Center
Malnutrition
Effectiveness Comparison of Three Supplementary Foods in the Treatment of Moderate Acute Malnutrition
The purpose of this study is to compare the recovery rates of moderately malnourished Malawian children treated with either milk-enriched corn/soy blend, soy/peanut fortified spread or a commercially produced ready-to-use therapy…
- Trial name
- NCT00998517
- Testing
- Soy/peanut fortified spread, Milk fortified corn/soy blend, Supplementary Plumpy®
- Where
- Malawi
- Volunteers
- 2,712 people
- Sponsor
- Washington University School of Medicine
Vitamin D Deficiency, Vitamin D Insufficiency
Evaluating the Effect of SOLIUS UV Light Source in Improving Vitamin D Status
The aim of this study is to evaluate the safety and effectiveness of the SOLIUS System in improving serum levels of 25-hydroxyvitamin D in vitamin D deficient/ insufficient adults of various skin types.
- Trial name
- NCT04780776
- Testing
- UVB treatment
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Boston University
Vitamin D Deficiency, Cardiomyopathies
Can Vitamin D Reduce Heart Muscle Damage After Bypass Surgery?
Background and study aim: Heart diseases are among the most common causes of death worldwide. A large proportion of deaths are caused by heart attacks (myocardial infarction), where blood flow to the heart is reduced resulting in…
- Conditions
- Vitamin D Deficiency, Cardiomyopathies, Apoptosis, Inflammation
- Trial name
- NCT04323852
- Testing
- Vitamin D
- Where
- Iran
- Volunteers
- 70 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Pancreatitis, Chronic
Prospective Study of Efficacy of Intra-muscular Vitamin D3 in Tropical Calcific Pancreatitis
The purpose of this study is to determine the efficacy of 2 different doses of intramuscular (IM) vitamin D3 as compared to an oral replacement dose in normalizing vitamin D levels in the blood of patients with tropical calcific…
- Trial name
- NCT00956839
- Testing
- Vitamin D3 (Cholecalciferol)
- Where
- India
- Volunteers
- 40 people
- Sponsor
- Sanjay Gandhi Postgraduate Institute of Medical Sciences
Secondary Hyperparathyroidism Due to Renal Causes, Chronic Kidney Diseases
Safety, Efficacy, PK and PD of CTAP101 (Calcifediol) ER Capsules for SHPT in HD Patients VDI
Safety, Efficacy, PK and PD of CTAP101 (calcifediol) ER Capsules for SHPT in HD Patients VDI
- Conditions
- Secondary Hyperparathyroidism Due to Renal Causes, Chronic Kidney Diseases, Vitamin D Deficiency, Stage 5 Chronic Kidney Disease
- Trial name
- NCT03602261
- Testing
- Calcifediol Oral Capsule
- Where
- 18 sites in United States
- Volunteers
- 44 people
- Sponsor
- OPKO Health, Inc.
Hypovitaminosis D
Rapid Normalization of Vitamin D in Critically Ill Children: A Phase II Dose Evaluation Randomized Controlled Trial
Documented roles for vitamin D in calcium homeostasis, cardiovascular and respiratory health, inflammation, innate immunity, and neuromuscular function have led to the hypothesis that deficiency might represent a modifiable risk…
- Trial name
- VITdAL-PICU (NCT02452762)
- Testing
- Vitamin D3
- Where
- 4 sites in Austria, Canada and 1 more
- Volunteers
- 67 people
- Sponsor
- Children's Hospital of Eastern Ontario
Aspiration Pneumonia, Malnutrition
Nutrition Monitoring and Feeding Optimization With the smART+ System - Comparative Study
The smART+ is a comprehensive modular patient care system intended for ICU patients. The main purpose of the study is the optimization of the delivery of nutrition.
- Trial name
- NCT04098224
- Testing
- smART+ System
- Where
- Israel
- Volunteers
- 100 people
- Sponsor
- ART Medical Ltd.
Hip Fracture, Vitamin D Deficiency
Vitamin D Levels in Frail Elderly Patients With a Hip Fracture
The purpose of this study is to assess whether all frail elderly admitted with hip fracture has a vitamin D deficiency, and if s-25(OH)D deficiency increases the risk of hip fracture in frail elderly.
- Trial name
- NCT01816711
- Where
- Denmark
- Volunteers
- 447 people
- Sponsor
- University of Aarhus
Obesity, Endothelial Dysfunction
Effect of Vitamin D Supplementation on Endothelial Function in Obese Adolescents
Vitamin D deficiency has been linked to endothelial dysfunction in adults. Obese adolescents have a high prevalence of Vitamin D deficiency as well as evidence of endothelial dysfunction.
- Conditions
- Obesity, Endothelial Dysfunction, Vitamin D Deficiency
- Trial name
- NCT01746264
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Respiratory Infection
Vitamin D Supplementation and Acute Respiratory Infection in Older Long-Term Care Residents
This study will test the role of high dose vitamin D supplementation in prevention of acute respiratory infection in older nursing home residents.
- Trial name
- NCT01102374
- Testing
- High Dose Vitamin D, Standard Dose Vitamin D, Usual Care
- Where
- United States
- Volunteers
- 107 people
- Sponsor
- University of Colorado, Denver
Fibrous Dysplasia Of Bone
Burosumab for Fibroblast Growth Factor-23 Mediated Hypophosphatemia in Fibrous Dysplasia
Background: Fibrous dysplasia (FD) is a disorder that affects bone growth. Affected bone tissue is weakened, and people with FD are prone to deformities, fractures, and other problems.
- Trial name
- NCT05509595
- Testing
- Burosumab
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Cardiovascular Diseases, Heart Diseases
Diet, Exercise, Niacin, and Fenofibrate to Reduce Heart Disease Risk Factors in Individuals With HIV Lipodystrophy or Dyslipidemia
This study will evaluate the efficacy of diet and exercise (DE), with and without niacin and fenofibrate, in reducing the cardiovascular risk of patients with HIV lipodystrophy or dyslipidemia.
- Conditions
- Cardiovascular Diseases, Heart Diseases, HIV Infections, Hyperlipidemia
- Trial name
- HeartPositive (NCT00246376)
- Testing
- Diet, Exercise, Niacin
- Where
- United States
- Volunteers
- 221 people
- Sponsor
- Baylor College of Medicine
Coronary Artery Disease, Chronic Kidney Disease
Effect of Vitamin D Supplement on Inflammation Markers in High-Risk Cardiovascular Patients With Chronic Kidney Disease
The purpose of this study is to determine if vitamin D supplementation changes the results of certain tests associated with inflammation in the body using an oral, synthetic form of vitamin D called paricalcitol.
- Conditions
- Coronary Artery Disease, Chronic Kidney Disease, Hypovitaminosis D, Secondary Hyperparathyroidism
- Trial name
- VINCA-CKD (NCT01012414)
- Testing
- paricalcitol
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Thomas Jefferson University
Vitamin D Deficiency
Safety of Vitamin D Supplementation in Older Persons
This study will evaluate the safety over 6 months of two different doses of vitamin D (cholecalciferol) in men and women age 65 and older. It will also evaluate if supplementation with vitamin D improves physical performance.
- Trial name
- NCT00681590
- Testing
- cholecalciferol (vitamin D)
- Where
- United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- University of Miami
Vitamin B1 Deficiency, Thiamine Deficiency
The Effect of SLC19A3 Inhibition on the Pharmacokinetics of Thiamine
In Part 1, subjects will be administered thiamine, thiamine with metformin, and thiamine with trimethoprim. Part 2 will expand on Part 1 and subjects will be administered thiamine and thiamine with trimethoprim.
- Trial name
- NCT03746106
- Testing
- Trimethoprim, Metformin, Vitamin B1
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco