Clinical trials: Vitamin/Nutritional Deficiency
HIV, Metabolic Syndrome
Incidence of HANA Conditions in HIV-infected Individuals
With the availability of effective anti-retroviral therapy, HIV-infected individuals are expected not to die of AIDS and have longer life expectancy.
- Conditions
- HIV, Metabolic Syndrome, Osteopenia, Osteoporosis
- Trial name
- NCT03483584
- Where
- Hong Kong
- Volunteers
- 215 people
- Sponsor
- Chinese University of Hong Kong
PCOS, Depression
Metformin, Vitamin D, and Depression in Polycystic Ovary Syndrome (PCOS) Trial
Open-label randomized clinical trial assessing the efficacy of Metformin versus Vitamin D in improving symptoms of depressed mood in polycystic ovary syndrome.
- Conditions
- PCOS, Depression, Vitamin D Deficiency, Insulin Resistance
- Trial name
- MINDD (NCT03380091)
- Testing
- Metformin, Vitamin D
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Vitamin D Deficiency
Vitamin D Supplementation Requirement in Obese Subjects
Vitamin D deficiency is common in obese patients. Most of vitamin D supplementation studies were done with non-obese subjects. This study looks at vitamin D supplementation requirements in obese patients as compared to non-obese…
- Trial name
- NCT00996866
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Winthrop University Hospital
Vitamin D Deficiency
Evaluation of Vitamin D Requirements During Pregnancy
The purpose of this study is to determine the effectiveness of vitamin D supplementation during pregnancy starting at the beginning of the second trimester.
- Trial name
- NCT00292591
- Testing
- cholecalciferol (vitamin D3), cholecalciferol
- Where
- United States
- Volunteers
- 501 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
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
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
X-linked Hypophosphatemia
Open Label Study of KRN23 on Osteomalacia in Adults With X-linked Hypophosphatemia (XLH)
The primary objective of this study is to establish the effect of KRN23 treatment on improvement in XLH-associated osteomalacia as determined by osteoid volume (osteoid volume/bone volume, OV/BV).
- Trial name
- NCT02537431
- Testing
- burosumab
- Where
- 14 sites in United States, Canada and 4 more
- Volunteers
- 14 people
- Sponsor
- Kyowa Kirin, Inc.
Cardiovascular Disease, Chronic Kidney Disease
Vascular Risk After Kidney Transplantation
Hypothesis: Nontraditional risk factors, such as inflammation, vitamin D deficiency, elevated PTH, insulin resistance, homocysteine, or uric acid, contribute to cardiovascular disease progression after kidney transplant.
- Conditions
- Cardiovascular Disease, Chronic Kidney Disease, Diabetes, Vitamin D Deficiency
- Trial name
- NCT00374595
- Where
- United States
- Volunteers
- 338 people
- Sponsor
- University of Nebraska
Thiamine Deficiency, Thiamine Deficiency; Sequelae
Prevalence of Thiamine Deficiency in Hospitalized Non-Alcoholic Veterans
Thiamine micronutrient deficiency (TD) can cause a variety of non-specific symptoms and leads to several thiamine deficiency disorders such as heart failure, polyneuropathy, Wernicke's Encephalopathy and generalized weakness and…
- Trial name
- NCT05480943
- Testing
- Thiamine repletion
- Where
- United States
- Volunteers
- 206 people
- Sponsor
- VA Office of Research and Development
Hypovitaminosis D
Cholecalciferol Supplementation for Sepsis in the ICU
Sepsis in a clinical entity that occurs in patients with serious infections. Though the severity of illness may vary, every year, approximately 1.6 million Americans are treated for sepsis.
- Trial name
- CSI (NCT01896544)
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Massachusetts General Hospital
Chronic Kidney Disease, Hyperparathyroidism, Secondary
Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency
This study will evaluate the efficacy of CTAP101 Capsules versus placebo in reducing intact parathyroid hormone (iPTH) by at least 30% from pretreatment baseline; safety and tolerability of CTAP101 will also be evaluated
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
- Trial name
- NCT01651000
- Testing
- CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules
- Where
- United States
- Volunteers
- 213 people
- Sponsor
- OPKO IP Holdings II, Inc.
Obesity, Vitamin D Deficiency
Vitamin D Supplementation in Psychiatric Illnesses
Children and adolescents with psychiatric illnesses who are treated with medications called second generation antipsychotic agents (SGA) often gain excessive weight during their treatment with these medications.
- Conditions
- Obesity, Vitamin D Deficiency, Psychosis, Schizophrenia
- Trial name
- VDSS (NCT01004354)
- Testing
- Ergocalciferols
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Massachusetts, Worcester
Vitamin D Deficiency
Efficacy of Vitamin D2 to Treat Chronic Kidney Disease Mineral and Bone Disorder
It is hypothesised that the efficacy and safety of Vitamin D2 soft capsule to treat the Chronic Kidney Disease Mineral and Bone Disease (CKD-MBD) are equal to 1,25(OH)2 Vitamin D3 (Rocaltrol) in the patients with CKD stage 3-5.
- Trial name
- NCT01633853
- Testing
- Vitamin D2, 1,25(OH)2 Vit D3
- Where
- China
- Volunteers
- 204 people
- Sponsor
- Dongliang Zhang, MD
Vitamin D Deficiency, Nutritional Deficiency
Mothers' Own Milk Optimization for Preterm Infants Project (MoMO PIP) Pilot Study
The overall goal of this study is to assess maternal vitamin D status along with diet, and milk composition, and in turn, to evaluate if infant vitamin D status can be improved with increased maternal supplementation and diet…
- Trial name
- MoMO PIP (NCT04629534)
- Testing
- High dose Cholecalciferol, Cholecalciferol
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Medical University of South Carolina
Vitamin D Deficiency, Primary Hyperparathyroidism
Effect of Vitamin D Treatment in Primary Hyperparathyroidism
The primary aim of the study is to assess whether 6-months of vitamin D supplements can decrease PTH compared with placebo treatment in primary hyperparathyroidism.
- Conditions
- Vitamin D Deficiency, Primary Hyperparathyroidism, Hypercalcemia
- Trial name
- NCT00674154
- Testing
- Cholecalciferol
- Where
- Denmark
- Volunteers
- 46 people
- Sponsor
- University of Aarhus
Nephrolithiasis, Urolithiasis
Vitamin D Repletion in Stone Formers With Hypercalciuria
Vitamin D plays a critical role in maintaining bone health, as well as preventing cardiovascular disease, cancer, and various autoimmune diseases, such as diabetes.
- Conditions
- Nephrolithiasis, Urolithiasis, Idiopathic Hypercalciuria, Vitamin D Deficiency
- Trial name
- NCT01295879
- Testing
- Ergocalciferol
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- New York Presbyterian Hospital
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
Vitamin D Deficiency, Gastrointestinal Diseases
Ultraviolet Light And Vitamin D In Subjects With Fat Malabsorption Or After Gastric Bypass Surgery
Patients with fat malabsorption due to Crohn's disease, ulcerative colitis, or other causes including cystic fibrosis, among others, or who have undergone gastric bypass have increased incidence of vitamin D deficiency relative…
- Trial name
- NCT01910792
- Testing
- Sperti Lamp
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Boston University
Vitamin D Deficiency
Establishing the Vitamin D Requirements During Lactation
The purpose of this study is to determine the effectiveness and safety of maternal and infant vitamin D supplementation as a function of ethnicity and latitude in the prevention of vitamin D deficiency in the breastfeeding…
- Trial name
- NCT00412074
- Testing
- 400 IU Vitamin D3 (cholecalciferol), 2400 IU Vitamin D3 (cholecalciferol), 6400 IU Vitamin D3 (cholecalciferol)
- Where
- 2 sites in United States
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Impaired Fasting Glucose, Impaired Glucose Tolerance
D Vitamin Intervention in VA
This study will supplement African American male (AAM) veterans at risk for diabetes and newly diagnosed T2DM with vitamin D (low or higher dose) and evaluate whether vitamin D helps to improve early markers of diabetes.
- Conditions
- Impaired Fasting Glucose, Impaired Glucose Tolerance, Vitamin D Insufficiency
- Trial name
- DIVA (NCT01375660)
- Testing
- 50K vitamin D2
- Where
- United States
- Volunteers
- 205 people
- Sponsor
- US Department of Veterans Affairs