Clinical trials: Cholecalciferol
Vitamin D Deficiency, Hemodialysis Patient
Cholecalciferol Supplementation Effect on Parathyroid Hormone in Hemodialysis Patients
Introduction. Vitamin D regulates mineral metabolism. Its deficiency has been associated with diabetes, cancer and increased mortality. 25OH vitamin D (25VD) is stable and suitable for the evaluation of vitamin D sufficiency.
- Trial name
- NCT03648528
- Testing
- cholecalciferol
- Volunteers
- 120 people
- Sponsor
- Cooperativa Asistencia Sindicato Médico Uruguay
Dyslipidemias
Vitamin D Supplementation for Treatment of Dyslipidemia
This study will be conducted to Assess possible reduction in lipid profile (LDL-Triglecerides-cholesterol) among pre-menopausal women in vit D group compared to standard treatment group after 3 months \& 6 month of follow up as…
- Trial name
- NCT03133975
- Testing
- Vitamin D3 (Treatment), Mixed diet of carbohydrate and protein (Control)
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Mansoura University
Low 25-hydroxyvitamin D Concentrations
A Pilot Study to Examine the Effects of Vitamin D Supplementation on Mitochondrial Bioenergetics in Older Adults
This pilot study is a 4-month open label trial in 15 older (65-89 yrs) men and women with initial 25(OH)D concentrations of 12-<18 ng/mL to explore the effect of increasing 25(OH)D concentrations to ≥30 ng/mL through vitamin D3…
- Trial name
- NCT02445066
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Wake Forest University Health Sciences
Osteoporosis, Vitamin D Deficiency
Physiologic Interactions Between the Adrenal- and the Parathyroid Glands
To investigate possible physiologic interactions between the adrenal- and the parathyroid glands in patients with secondary hyperparathyroidism.
- Conditions
- Osteoporosis, Vitamin D Deficiency, Cardiovascular Disease
- Trial name
- AldOst (NCT02572960)
- Testing
- Valsartan, Cholecalciferol
- Where
- Denmark
- Volunteers
- 81 people
- Sponsor
- University of Aarhus
Vitamin D Deficiency, 25-Hydroxyvitamin D Concentration
Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena?
Several studies have demonstrated that D2 treatment is associated with a decrease in 25(OH)D3 level and therefore have proposed that D3 would be preferable in term of raising total 25(OH)D level.
- Trial name
- NCT03035084
- Testing
- Vitamin D3, Vitamin D2
- Where
- Saudi Arabia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- King Faisal Specialist Hospital & Research Center
Hyaline Membrane Disease, Necrotizing Enterocolitis of Newborn
The Effect of β-Carotene, Vitamin D3 and Zinc on Hyaline Membrane Disease and Feeding Intolerance in Premature Neonates
Hyaline membrane disease, now commonly called respiratory distress syndrome (RDS), and feeding intolerance, which can lead to necrotizing enterocolitis (NEC), are two key morbidities found in premature neonates which resulted in…
- Trial name
- NCT03366584
- Testing
- Beta carotene, Vitamin D3, Zinc
- Where
- Indonesia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Leukemia, Myelodysplastic Syndromes
Cholecalciferol in Treating Patients With Myelodysplastic Syndrome
RATIONALE: Cholecalciferol (vitamin D) may improve quality of life by increasing blood counts, decreasing fatigue, and improving other symptoms of myelodysplastic syndrome.
- Conditions
- Leukemia, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
- Trial name
- NCT00068276
- Testing
- cholecalciferol
- Where
- United States
- Sponsor
- Wake Forest University Health Sciences
Leukemia, Myelodysplastic Syndromes
Arsenic Trioxide and Cholecalciferol (Vitamin D) in Treating Patients With Myelodysplastic Syndromes
RATIONALE: Drugs used in chemotherapy, such as arsenic trioxide, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing.
- Conditions
- Leukemia, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
- Trial name
- NCT00104806
- Testing
- cholecalciferol, arsenic trioxide
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Wake Forest University Health Sciences
Improve Healthy Ageing in Seniors; Prevent Disease at Older Age
DO-HEALTH / Vitamin D3 - Omega3 - Home Exercise - Healthy Ageing and Longevity Trial
The European population is aging rapidly which poses a challenge on the individual, the European societies, and health care systems.
- Trial name
- DO-HEALTH (NCT01745263)
- Testing
- Vitamin D3, Omega 3 fatty acids, Strength Home Exercise
- Where
- 7 sites in Austria, France and 3 more
- Volunteers
- 2,157 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Brain Neoplasms
Therapeutic Benefit of Preoperative Supplemental Vitamin D in Patients Undergoing Brain Tumor Surgery
Vitamin D supplementation not only has beneficial effects on morbidity and mortality in critically ill patients but it may also lead to alleviate of seizure, brain edema, infection, pain and some other perioperative…
- Trial name
- NCT03248544
- Testing
- vitamin D, control
- Where
- 2 sites in Iran
- Volunteers
- 60 people
- Sponsor
- Shahid Beheshti University
Schizophrenia, Schizoaffective Disorder
Study of Vitamin D in the Severely Mentally Ill
Supplementation of Vitamin D in those with low levels will increase the level and result in some improvement in health and psychopathology measures.
- Trial name
- NCT01169142
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Bronx Psychiatric Center
Prostate Cancer
Vitamin D3 Supplementation in Participants Diagnosed With Early-Stage Prostate Cancer Who Decide to Undergo Active Surveillance Treatment Regimen.
This clinical trial is aimed at measuring the effect of vitamin D3 supplementation on serum prostate-specific antigen (PSA) levels in patients diagnosed with early stage, low-grade, low-risk prostate cancer (Gleason score less…
- Trial name
- D3/PCa (NCT01045109)
- Testing
- cholecalciferol
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Medical University of South Carolina
Deficiency of Vitamin D3, COPD
The Pittsburgh Vitamin D Study: Vitamin D Supplementation in Vitamin D-deficient Subjects at Risk of Lung Cancer
This study aims to establish the ability of 4,000 IU oral vitamin D3 per day (in combination with a daily multivitamin) to safely convert vitamin D3-deficient subjects at increased risk of lung cancer to a vitamin D3-sufficient…
- Trial name
- NCT02532062
- Testing
- Cholecalciferol, multivitamin
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Pittsburgh
Bipolar Disorder, Bipolar Depression
Vitamin D Supplementation for Bipolar Depression
The purpose of this study is to whether vitamin d supplementation in those with low levels may reduce depression symptoms in people experiencing bipolar depression.
- Trial name
- NCT01884844
- Testing
- Vitamin D3, Cholecalciferol
- Where
- 2 sites in United States
- Volunteers
- 33 people
- Sponsor
- University of Massachusetts, Worcester
Vitamin D Deficiency
Vitamin D Supplementation in Children
Prevalence of vitamin D deficiency in children in the northern country during winter season is very high (up to 90%). Vitamin D supplementation at a dose 600 -1000 IU/d is recommended in Polish children from September till April.
- Trial name
- MeltD (NCT03402698)
- Testing
- cholecalciferol
- Where
- Poland
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Children's Memorial Health Institute, Poland
Systemic Lupus Erythematosus
Vitamin D Therapy in Patients With Systemic Lupus Erythematosus (SLE)
The purpose of this study is to test the safety and effectiveness of different doses of vitamin D in patients with Systemic Lupus Erythematosus (SLE).
- Trial name
- NCT00418587
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Medical University of South Carolina
Bioequivalence of Vitamin D in Healthy Adults
Clinical Study on the Bioequivalence of Vitamin D in Healthy Adults
The objective of this clinical study is to evaluate and compare the bioequivalence between a single oral dose of vitamin D3 gummy vitamin versus vitamin D3 tablet in healthy adults.
- Trial name
- NCT03552666
- Testing
- vitamin D3
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Church & Dwight Company, Inc.
Wheezing, Allergy
Wheezing in Black Preterm Infants: Impact of Vitamin D Supplementation Strategy
The goal of this study is to identify a vitamin D supplementation strategy that best promotes the lung, immune, and overall health of black infants born preterm (28-36 weeks gestational age).
- Trial name
- D-Wheeze (NCT01601847)
- Testing
- Cholecalciferol
- Where
- 5 sites in United States
- Volunteers
- 300 people
- Sponsor
- Case Western Reserve 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
Vitamin D Deficiency
The GLOBAL Vitamin D Study. A Genomic, Transcriptomic, Proteomic and Metabolomic Approach
The effect of vitamin D supplementation on genetic, proteomic , and metabolomic profile in adipose tissue will be studied in 50 subjects.
- Trial name
- NCT02783924
- Testing
- Cholecalciferol
- Where
- Norway
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Tromso