Clinical trials: Vitamin D Insufficiency
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
- NCT01704079
- Testing
- CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- OPKO IP Holdings II, Inc.
Chronic Kidney Disease
Vitamin D Repletion in Chronic Kidney Disease
The reason for doing this research is that people with kidney disease often suffer from heart disease. Why this happens is not fully known.
- Trial name
- NCT00772772
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
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 Disease, Vitamin D Deficiency
Cholecalciferol (Vitamin D3) Therapy in Chronic Kidney Disease (CKD) Subjects
This is a 12 week pilot and feasibility study with an enrollment goal of 30 subjects. Half of the subjects will be randomized to vitamin D3 and the other half will receive a placebo.
- Trial name
- NCT00427037
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Atlanta VA Medical Center
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
Vitamin D Deficiency, Pre-Eclampsia
Effect of Vitamin D3 Supplementation in Pregnancy on Risk of Pre-eclampsia
Vitamin D deficient pregnant ladies were selected and randomized into 2 groups for routine daily dose of multivitamin (400IU vitamin D3) versus maximum safest treatment daily dose (4000IU vitamin D3).
- Trial name
- NCT03101150
- Testing
- 400 IU Vitamin D3, 4000 IU Vitamin D3
- Volunteers
- 179 people, healthy volunteers welcome
- Sponsor
- King Fahad Medical City
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
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.
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.
Vitamin D Deficiency, End-stage Renal Disease
Impact of Vitamin D Repletion in Hemodialysis Patients
Dialysis patients often suffer from defects in their immune system (that part of the body which fights infection). Evidence suggests that Vitamin D deficiency may have a negative effect on immunity, and many dialysis patients are…
- Trial name
- NCT01175798
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 116 people
- Sponsor
- Mehrotra, Anita, M.D.
Vitamin D Deficiency
Improving the Understanding of the Response to Vitamin D Supplementation
It is the investigators hypothesis that the current method of evaluating vitamin D status, measuring circulating 25-hydroxy vitamin D is not providing the full metabolic picture, and is therefore inadequate.
- Trial name
- NCT01465178
- Testing
- cholecalciferol
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Diabetic Nephropathy, Chronic Kidney Disease
The Effect of Paricalcitol Capsules on Reducing Albuminuria in Patients With Type 2 Diabetic Nephropathy Being Treated With Renin-angiotensin System Inhibitors
The study objective was to evaluate the safety of paricalcitol capsules and the efficacy of paricalcitol capsules for albuminuria reduction in patients with Chronic Kidney Disease (CKD) who have Type 2 diabetic nephropathy and…
- Trial name
- VITAL (NCT00421733)
- Testing
- Zemplar (paricalcitol ) capsules, Zemplar (paricalcitol) capsules
- Where
- 72 sites in United States, Germany and 8 more
- Volunteers
- 281 people
- Sponsor
- Abbott
Healthy
Defining Vitamin D Insufficiency in School Age Children: A Randomized Placebo Controlled Trial of Vitamin D3
The study objective is to characterize the threshold levels of serum 25-hydroxyvitamin D for the definition of vitamin D insufficiency in 8-14 year old African American and Caucasian children.
- Trial name
- Vitamin D RCT (NCT00732758)
- Testing
- Vitamin D3 1000 IU
- Where
- United States
- Volunteers
- 157 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Chronic Kidney Disease
Clearance of 25-hydroxyvitamin D3 During Vitamin D3 Supplementation
The goal of this study is to determine how 25(OH)D3 clearance is affected by vitamin D3 supplementation using a gold standard pharmacokinetic approach.
- Trial name
- CLEAR-PLUS (NCT03576716)
- Testing
- D6-25-hydroxyvitamin D3
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- University of Washington
Critically Ill, Acute Kidney Injury
Activated Vitamin D for the Prevention and Treatment of Acute Kidney Injury
The purpose of this study is to assess the efficacy of calcifediol (25-hydroxyvitamin D) and calcitriol (1,25-dihydroxyvitamin D) in preventing and reducing the severity of acute kidney injury (AKI) in critically ill patients.
- Trial name
- ACTIVATE-AKI (NCT02962102)
- Testing
- Calcifediol, Calcitriol
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- David Leaf
Transplant; Failure, Kidney, Renal Disease, End Stage
Oral Paricalcitol in Kidney Transplant Recipients
This study is being done to find out whether patients who receive a kidney transplant can benefit from taking the medication paricalcitol (trade name Zemplar®) as compared to kidney transplant recipients not taking this…
- Conditions
- Transplant; Failure, Kidney, Renal Disease, End Stage, Hyperparathyroidism, Secondary
- Trial name
- NCT00587158
- Testing
- Paricalcitol, Corticosteroid Avoidance Immune Suppression Protocol
- Where
- 2 sites in United States
- Volunteers
- 100 people
- Sponsor
- Mayo Clinic
Vitamin D Deficiency, Vitamin D Insufficiency
Solius UV Light Source in Improving Serum Levels of 25-hydroxyvitamin D
This is a feasibility interventional study seeking to determine the safety and efficacy of the Solius Photobiologic System in increasing the serum levels of 25(OH)D in a vitamin D deficient/insufficient adult population.
- Trial name
- NCT04865432
- Testing
- UVB treatment
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Boston University
Chronic Kidney Disease, Endothelial Dysfunction
Study of Protective Effects of Paricalcitol on Inner Layer of Vessels and Its Protective Effect on Inflammation
The study is about possible protective effects of paricalcitol (Zemplar) upon inflammation, blood pressure and kidney function. Kidney Inflammation occurs when white blood cells become abnormally stimulated and accumulate in the…
- Conditions
- Chronic Kidney Disease, Endothelial Dysfunction, Inflammation, Hypertension
- Trial name
- NCT00428246
- Testing
- paricalcitol
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Indiana University
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
Vitamin D Deficiency
Vitamin Deficiency in Immigrants, a Treatment Study
The purpose of this study is to determine the efficacy of different doses of vitamin D in persons, immigrated to Sweden from Middle East or Africa, with decreased S vitamin D.
- Trial name
- VIDI2 (NCT01419119)
- Testing
- Cholecalciferol high dose at Vitamin D deficiency, Cholecalciferol median dose at Vitamin D insufficiency, Cholecalciferol low dose at Vitamin D deficiency
- Where
- Sweden
- Volunteers
- 160 people
- Sponsor
- Umeå University