Clinical trials: Vitamin D Insufficiency
Secondary Hyperparathyroidism, End Stage Renal Disease
A Study to Follow-up Patients With End Stage Renal Disease Undergoing Hemodialysis, Receiving Selective Vitamin D Receptor Activator's for Prevention and Treatment of Secondary Hyperparathyroidism
The aim of this post-marketing observational study is to obtain further data on the long term use, safety and efficacy of selective Vitamin D Receptor Activator's as it is prescribed in the normal clinical setting and according…
- Trial name
- NCT01149291
- Where
- 22 sites in Turkey (Türkiye)
- Volunteers
- 511 people
- Sponsor
- AbbVie (prior sponsor, Abbott)
Renal Insufficiency, Chronic, Vascular Stiffness
Effect of Vitamin D3 Supplementation on Arterial and Bone Remodeling in Chronic Kidney Disease Patients
To evaluate in patients with chronic kidney disease the impact of two dosages of per os vitamin D3 supplementation (cholecalciferol) on large arterial stiffness (evaluated non invasively by pulse wave velocity and high-resolution…
- Conditions
- Renal Insufficiency, Chronic, Vascular Stiffness, Bone Diseases, Metabolic
- Trial name
- NCT02999204
- Testing
- Vitamin D3
- Where
- Canada
- Volunteers
- 57 people
- Sponsor
- Jewish General Hospital
Kidney Failure
Treatment of Early Stage Renal Failure With Active Vitamin D or a Phosphate Binder.
Patients with reduced renal function normally develop hyperparathyroidism, which in turn is associated with increased cardiovascular risk and de-calcification.
- Trial name
- NCT01231438
- Testing
- Renvela, Etalpha
- Where
- 2 sites in Norway
- Volunteers
- 21 people
- Sponsor
- Helse Stavanger HF
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Aggressive Non-Hodgkin Lymphoma, Anaplastic Large Cell Lymphoma
Cholecalciferol in Improving Survival in Patients With Newly Diagnosed Cancer With Vitamin D Insufficiency
This partially randomized clinical trial studies cholecalciferol in improving survival in patients with newly diagnosed cancer with vitamin D insufficiency.
- Conditions
- Aggressive Non-Hodgkin Lymphoma, Anaplastic Large Cell Lymphoma, Angioimmunoblastic T-Cell Lymphoma, Chronic Lymphocytic Leukemia
- Trial name
- NCT01787409
- Testing
- Cholecalciferol, Laboratory Biomarker Analysis
- Where
- 5 sites in United States
- Volunteers
- 565 people
- Sponsor
- Mayo Clinic
Kidney Failure, Chronic, Disorder of Vitamin D
Value Antiproteinuric Effects From Vitamin D Derivatives in Patient With Chronic Kidney Illness and the Lack of Vitamin D
The purpose of this study is to determine the value the additional antiproteinuric effects of vitamin D derivatives treatment, in patients with Chronic Kidney Illness phase II-IV, with lack of vitamin D and residual proteinuria…
- Trial name
- NEFROVID2010 (NCT01442272)
- Testing
- Hidroferol®, Paricalcitol: Zemplar®, Habitual medication
- Where
- 2 sites in Spain
- Volunteers
- 174 people
- Sponsor
- Hospital Universitario de Canarias
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
Chronic Kidney Disease stage3, Chronic Kidney Disease stage4
Phase 3 Safety and Efficacy Study of CTAP101 Extended-release Capsules in Children With Secondary Hyperparathyroidism
This is a phase 3, multi-center, randomized, double-blind, placebo-controlled study in children with stage 3-4 chronic kidney disease (CKD), secondary hyperparathyroidism (SHPT) and vitamin D insufficiency.
- Conditions
- Chronic Kidney Disease stage3, Chronic Kidney Disease stage4, Vitamin d Deficiency, Secondary Hyperparathyroidism
- Trial name
- NCT05543928
- Testing
- CTAP101
- Where
- 2 sites in United States
- Volunteers
- 2 people
- Sponsor
- OPKO Health, Inc.
Asthma, Vitamin D Deficiency
Vitamin D Deficiency and Asthma Exacerbation
The study aim is in two phases. First phase: to evaluate the influence of vitamin D deficiency on asthma severity, degree of airway obstruction and frequency of asthma exacerbations.
- Conditions
- Asthma, Vitamin D Deficiency, Disease Exacerbation
- Trial name
- AVD (NCT02661191)
- Testing
- oral cholecalciferol
- Volunteers
- 119 people
- Sponsor
- University of Turin, Italy
Stage 2-5 Chronic Kidney Disease, Predialysis
Vitamin D Insufficiency and Deficiency in Chronic Kidney Disease (CKD) Patients in Singapore
Vitamin D insufficiency and deficiency is common in chronic kidney disease (CKD) patients and is associated with elevated parathyroid hormone (PTH) concentration and mineral and bone disorder (MBD).
- Trial name
- NCT01102179
- Where
- Singapore
- Volunteers
- 196 people
- Sponsor
- National University of Singapore
Chronic Kidney Disease
Reno- and Vascular Protective Effect of a Vitamin-D-analogue in Moderate to Severe Chronic Kidney Disease
Recently it has been documented that vitamin D has important functions in the human body that are unrelated to its primary effects in calcium homeostasis and bone mineralization.
- Trial name
- NCT01136564
- Testing
- Zemplar
- Where
- Denmark
- Volunteers
- 30 people
- Sponsor
- Erling Bjerregaard Pedersen
Chronic Kidney Disease (CKD), End-stage Renal Disease (ESRD)
Impact of Vitamin D Therapies on Chronic Kidney Disease
This investigation will consist of a prospective study utilizing two separate populations of patients with 25(OH)D deficiency, one population with chronic kidney disease (CKD) and one with normal renal function.
- Trial name
- NCT01222234
- Testing
- Cholecalciferol - CKD, Calcitriol - CKD, Cholecalciferol - non-CKD
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- University of Kansas Medical Center
End-Stage Renal Disease
Vitamin D3 Supplementation in Dialysis Patients
Vitamin D deficiency is highly prevalent among dialysis patients, and has been associated with cardiovascular risk factors such as increased aortic pulse wave velocity, blood pressure, inflammation, and brain natriuretic peptide.
- Trial name
- NCT01312714
- Testing
- Cholecalciferol
- Where
- Denmark
- Volunteers
- 64 people
- Sponsor
- Regional Hospital Holstebro
Chronic Kidney Disease, Secondary Hyperparathyroidism
20070360 Incident Dialysis
Randomized Trial to Evaluate the Efficacy and Safety of Cinacalcet Treatment in Combination with Low Dose Vitamin D for the Treatment of Subjects with Secondary Hyperparathyroidism (SHPT) Recently Initiating Hemodialysis
- Trial name
- NCT00803712
- Testing
- Cinacalcet, Vitamin D
- Volunteers
- 313 people
- Sponsor
- Amgen
Chronic Kidney Diseases, Deficiency, Vitamin D
Drug Metabolizing Enzyme and Transporter Function in Chronic Kidney Disease
This study investigates the effect of vitamin D deficiency on drug metabolism and transport in patients with chronic kidney disease (CKD) and in healthy controls.
- Trial name
- NCT02360644
- Testing
- Cholecalciferol
- Where
- 2 sites in United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Chronic Kidney Failure, Chronic Kidney Disease-Mineral and Bone Disorder
Mineral Bone Disorder in Dialysis
This study was conducted with 167 dialysis patients at Erciyes University Faculty of Medicine, Department of Internal Medicine, Department of Nephrology, and Dialysis Unit, with the approval of the Ethics Committee of Erciyes…
- Conditions
- Chronic Kidney Failure, Chronic Kidney Disease-Mineral and Bone Disorder, Dialysis, Hemodialysis
- Trial name
- MBDialysis (NCT07212972)
- Testing
- Hemodialysis or peritoneal Dialysis
- Where
- Turkey (Türkiye)
- Volunteers
- 167 people
- Sponsor
- Çanakkale Onsekiz Mart University
Chronic Kidney Disease, End Stage Kidney Disease
Pathogenesis of Compromised Bone Quality and Mechanics in Chronic Kidney Disease
Kidney disease patients have a variety of bone disorders that result in bone loss and fractures. The mechanisms of these bone disorders are not clear but may be related to abnormal modification of a bone protein known as…
- Conditions
- Chronic Kidney Disease, End Stage Kidney Disease, Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy
- Trial name
- NCT03626246
- Testing
- Kidney disease
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Columbia University
Psoriasis Vulgaris, Vitamin D Deficiency
Efficacy of Vitamin D3 for the Treatment of Psoriatic Patients With Vitamin D Deficiency and Insufficiency
The purpose of this research is to study whether vitamin D supplement can improve clinical outcome (PASI score) in psoriasis vulgaris with vitamin D insufficiency and deficiency.
- Trial name
- NCT01339741
- Testing
- Vitamin D3
- Where
- Thailand
- Volunteers
- 30 people
- Sponsor
- Chulalongkorn University
Acute Kidney Injuries, Chronic Renal Diseases
Vitamin D Metabolites as Biomarkers for the Identification of Kidney Injury in Cardiac Surgery
The investigators will be measuring vitamin D metabolites in blood samples drawn from patients undergoing cardiac surgery to determine the correlation with renal function as assessed by serum creatinine.
- Trial name
- VITAL (NCT06688994)
- Where
- Canada
- Volunteers
- 46 people
- Sponsor
- University Health Network, Toronto
Vitamin D Deficiency, Vascular Calcification
Effects of Cholecalciferol on Osteoprotegerin Levels in Patients on Peritoneal Dialysis
Aim: To investigate whether cholecalciferol (4800 U/daily) or placebo for 16 weeks reduces proteins levels associated with vascular calcification (osteoprotegerin, osteopontin, osteocalcin) in patients treated with peritoneal…
- Conditions
- Vitamin D Deficiency, Vascular Calcification, Renal Insufficiency, End Stage Renal Failure on Dialysis
- Trial name
- NCT02598635
- Testing
- Cholecalciferol
- Where
- Mexico
- Volunteers
- 58 people
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran