Clinical trials: D Vitamin Deficiency Patients
Hyperphosphatemia
The Effect of Oral Niacinamide on Plasma Phosphorus Levels in Peritoneal Dialysis Patients
Hyperphosphatemia is common in the peritoneal dialysis population. Current strategies are insufficient to optimize phosphorus control.
- Trial name
- NCT00508885
- Testing
- Niacinamide
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Washington University School of Medicine
Vitamin D Deficiency
Safety, Efficacy, and Feasibility of High-dose Cholecalciferol in Pediatric Patients With Cystic Fibrosis
Children with Cystic Fibrosis, ages greater than and equal to 36 months of age and less than or equal to 18 years of age, with a 25OHD level less than 30 ng/dL will be asked to participate in this study.
- Trial name
- NCT02613884
- Testing
- Treatment
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins All Children's Hospital
End Stage Renal Disease, Hyperparathyroidism, Secondary
Mineral and Bone Disorders Outcomes in Stage 5D of Chronic Kidney Disease
The MBD-5D is a prospective observational study with a case-cohort and a cohort design. Eligible patients are receiving hemodialysis and have secondary hyperparathyroidism.
- Trial name
- MBD-5D (NCT00995163)
- Where
- Japan
- Volunteers
- 8,020 people
- Sponsor
- Kyowa Kirin Co., Ltd.
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
Vitamin D Insufficiency, Vitamin D Deficiency
Vitamin D Levels and Vitamin D Education in Geriatric Patients
Vitamin D is important to maintain good health. Although it is found in foods and vitamins, many people still have low vitamin D levels.
- Trial name
- NCT00273611
- Testing
- Pharmacist Education about Vitamin D
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- University of Colorado, Denver
Hyperphosphatemia
The Effect of Oral Niacinamide on Serum Phosphorus Levels in Hemodialysis Patients
Elevated phosphorus levels are a common problem in dialysis patients. However, it is associated with an increase in death and hospitalizations.
- Trial name
- NCT00316472
- Testing
- Niacinamide
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Washington University School of Medicine
Vitamin D Deficiency, Chemotherapy Effect
Vitamin D Can Increase Pathological Response of the Breast Cancer Patients Treated With Neoadjuvant Therapy
The aim of the study is to evaluate the relationship between the vitamin D replacement and pathological response in patients undergoing neoadjuvant therapy according to different molecular sub types.
- Conditions
- Vitamin D Deficiency, Chemotherapy Effect, Pathology
- Trial name
- NCT03986268
- Testing
- Vit D
- Where
- Turkey (Türkiye)
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Florence Nightingale Hospital, Istanbul
Vitamin D Deficiency, Anemia
Effect of Vitamin D Supplementation on Erythropoietin Dosage in Hemodialysis Patients Who Have Vitamin D Deficiency
While vitamin D supplementation is safe and effective in repleting vitamin D levels in dialysis patients, the impact on anemia is unknown.
- Trial name
- NCT00915317
- Where
- United States
- Sponsor
- Kaiser Permanente
D Vitamin Deficiency Patients
Vitamin D Supplementation and the Immune Response
The main objective is to assess the variation in plasma levels of cathelicidin before and after influenza vaccination. All bibliographic data suggests that supplementation vitamin D in the elderly often deficient in this vitamin…
- Trial name
- NCT01893385
- Testing
- Vitamin D (drug)
- Where
- France
- Volunteers
- 37 people
- Sponsor
- University Hospital, Clermont-Ferrand
X-linked Hypophosphatemic Rickets/Osteomalacia
A Study of KRN23 in Pediatric Patients With X-linked Hypophosphatemic Rickets/Osteomalacia
Before switching to the post-marketing study: To evaluate the efficacy and safety of KRN23 administered subcutaneously once every 2 weeks in children with X-linked hypophosphatemic rickets/osteomalacia(XLH).
- Trial name
- NCT03233126
- Testing
- KRN23
- Where
- 4 sites in Japan
- Volunteers
- 16 people
- Sponsor
- Kyowa Kirin Co., Ltd.
End Stage Kidney Disease (ESKD), Hemodialysis
Medium Cut-Off and High-Flux Membranes on Mineral and Bone Metabolism in Hemodialysis Patients
This study aims to compare the effects of medium cut-off (MCO) and high-flux hemodialysis membranes on mineral and bone metabolism biomarkers in patients receiving maintenance hemodialysis.
- Conditions
- End Stage Kidney Disease (ESKD), Hemodialysis, Chronic Kidney Disease Mineral and Bone Disorder
- Trial name
- MBD-HD (NCT07685223)
- Testing
- Medium Cut-Off Hemodialysis Membrane, High-Flux Hemodialysis Membrane
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Gazi University
Covid19, Corona Virus Infection
Clinical Outcomes of High Dose Vitamin D Versus Standard Dose in COVID-19 Egyptian Patients
Vitamin D is a secosteroid hormone which may have beneficial role in reducing COVID-19 adverse outcomes by first regulating the renin angiotensin system (RAS).
- Conditions
- Covid19, Corona Virus Infection, Cytokine Storm, Vitamin D Deficiency
- Trial name
- NCT04738760
- Where
- Egypt
- Volunteers
- 116 people
- Sponsor
- Ain Shams University
Vitamin D Deficiency, Hepatocellular Carcinoma
The Effect of Vitamin D Repletion in Patients With Hepatocellular Carcinoma on the Orthotopic Liver Transplant List
The purpose of this study is to investigate the effect of two different doses of vitamin D3 (2000 IU vs. 4000 IU) on serum 25-hydroxyvitamin D (25OHD) levels in patients with hepatocellular carcinoma on the liver transplant list.
- Trial name
- NCT01575717
- Testing
- Vitamin D3 4000 IU, Vitamin D3 2000 IU
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Andrea Branch
Crohn Disease, Vitamin D Deficiency
Effect of Vitamin D Supplementation on Infliximab Response in Patients With Crohn's Disease
Background: It remains uncertain whether vitD3 supplementation is beneficial for remission of Crohn's disease (CD). The influence of vitD3 supplementation on Infliximab (IFX) efficacy was retrospectively analyzed in Chinese CD…
- Conditions
- Crohn Disease, Vitamin D Deficiency, Vitamin D Supplement
- Trial name
- NCT04606017
- Testing
- Caltrate Pill
- Where
- China
- Volunteers
- 70 people
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Vitamin D Deficiency, Vitiligo
Synergistic Effect of Vitamin D Supplementation in Patients With Vitiligo and Vitamin D Deficiency
This prospective, randomized, controlled study was approved by the Institutional Review Board of Hallym University Kangnam Sacred Heart Hospital (IRB no. 2018-04-017).
- Trial name
- NCT05364567
- Testing
- cholecalciferol (vitamin D3), Phototherapy
- Where
- South Korea
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Hallym University Kangnam Sacred Heart Hospital
Hypophosphatasia
Safety and Efficacy Study of ENB-0040 in Juvenile Patients With Hypophosphatasia (HPP)
This Clinical Trial is being conducted to study Hypophosphatasia (HPP), a bone disorder caused by gene mutations or changes. These gene mutations cause low levels of an enzyme needed to harden bone.
- Trial name
- NCT00894075
- Testing
- ENB-0040
- Sponsor
- Alexion Pharmaceuticals, Inc.
Colorectal Cancer, Vitamin D Deficiency
Vitamin D Supplementation Study
Patients with colorectal cancer will be recruited to undergo vitamin D supplementation in the peri-operative period. Vitamin D levels (25OHD) will be measured to assess response to supplementation.
- Trial name
- NCT05506696
- Testing
- Fultium
- Where
- United Kingdom
- Volunteers
- 122 people
- Sponsor
- University of Edinburgh
Vitamin d Deficiency, Central Retinal Vein Occlusion
Vitamin D Levels in Patients With Central Retinal Vein Occlusion- a Prospective Controlled Study
Retinal vein occlusion (RVO) is a common vascular disease of the eye. Studies have shown that the risk of venous thrombosis is higher in winter so even concerning RVO.
- Trial name
- NCT01793181
- Where
- Sweden
- Volunteers
- 216 people
- Sponsor
- St. Erik Eye Hospital
Total Thyroidectomy, Hypocalcemia
Prevention of Postoperative Hypocalcemia of Oral Vitamin D Supplementation Before Total Thyroidectomy
The hypocalcemia after total thyroidectomy is one of common surgical complications. It may be asymptomatic, but patients can complain of dysfunction around the mouth or extremities, stiffness or convulsion in severe cases.
- Conditions
- Total Thyroidectomy, Hypocalcemia, Vitamin D Deficiency
- Trial name
- NCT05216419
- Testing
- Cholecalciferol
- Where
- 2 sites in South Korea
- Volunteers
- 108 people
- Sponsor
- Seoul National University Hospital
Secondary Hyperparathyroidism, Chronic Kidney Disease
Study to Assess Patient Management Practices and Quality of Life With Paricalcitol Capsules in the Treatment of Secondary Hyperparathyroidism in Stage 3-5 Chronic Kidney Disease Patients Not Yet on Dialysis
Paricalcitol capsules (Zemplar®) received marketing authorization in Sweden in late 2007 for the prevention and treatment of secondary hyperparathyroidism in patients with Stage 3 \& 4 Chronic Kidney Disease (CKD).
- Trial name
- CAPITOL (NCT01265992)
- Where
- 10 sites in Sweden
- Volunteers
- 50 people
- Sponsor
- AbbVie (prior sponsor, Abbott)