Clinical trials: Deficiency, Vitamin D
Vitamin D Deficiency
The Effect of Vitamin D3 Therapy in Post Menopausal Women and Assessment of Changes in Bone Mineral Density After Orally Vitamin D3 Administration
a study design based on vitamin D deficiency in postmenopausal women with low bone density. pre-test for BMD will be done then vitamin D oral supplements will be provided for the period of 3 months.
- Trial name
- NCT05389943
- Testing
- Oral administration of vitamin D3, Vitamin D3 50000 UNT Oral Capsule, milk, Dietary and life style modifications.
- Where
- Pakistan
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Sargodha
HIV Infection, Bone Mass
The Effect of Vitamin D and Calcium on Bone in Pediatric HIV
We have observed that vitamin D deficiency, as evidenced by low serum 25(OH)D concentrations, is common in children and adolescents with HIV infection.
- Trial name
- NCT00724178
- Testing
- cholecalciferol plus calcium carbonate
- Where
- United States
- Volunteers
- 59 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Hypophosphatemia, Hypophosphatemic Rickets
Open Label Trial Assessing Safety and Efficacy of Burosumab (KRN23), in a Patient With ENS and Hypophosphatemic Rickets
A 52 week, open label trial to assess the safety and efficacy of KRN23, an investigational antibody to FGF23, in a single pediatric patient with Epidermal Nevus Syndrome(ENS) and associated hypophosphatemic rickets A 26 weeks…
- Conditions
- Hypophosphatemia, Hypophosphatemic Rickets, Pain, Chronic
- Trial name
- NCT03581591
- Testing
- Burosumab
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Redwood Dermatology Sciences
Vitamin D Deficiency, Aging Well
Innovative Food Structures to Enhance Nutrient Bioavailability
This randomized controlled trial (RCT) will compare the change in vitamin D status (25-hydroxyvitamin D nmol/L) after a 4 week intervention with 4 groups: 1. Vitamin D enriched (20ug) olive oil emulsion drink 2.
- Trial name
- NutriPlus (NCT04156074)
- Testing
- Vitamin D enriched (20 mcg/day) olive oil emulsion drink, Vitamin D enriched (20 mcg/day) coconut oil emulsion drink, Vitamin D supplement (20 mcg/day)
- Where
- Ireland
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University College Dublin
Vitamin D Deficiency, Critical Illness
Early Vitamin D3 Supplementation for Critically Ill Patients
There are no clear international guidelines for dosing vitamin D based on deficiency severity. Therefore, a new clinical trial is needed to evaluate the benefits of early vitamin D supplementation in maintaining sufficient levels…
- Trial name
- NCT05937789
- Testing
- Vitamin D3, Medium Chain Triglycerides (MCT)
- Where
- Taiwan
- Volunteers
- 240 people
- Sponsor
- National Taiwan University Hospital
Knee Osteoarthritis, Vitamin D Deficiency
Prospective, Assessment of Vitamin D and Calcium Supplementation, Improvement of Nutritional Status and Preoperative Rehabilitation in Patients Before Knee Arthroplasty.
Prospective randomized study of 150 patients qualified for knee arthroplasty between 2015 and 2017. Patients were randomized into 3 groups receiving vitamin D and calcium supplementation, increased protein supply and preoperative…
- Conditions
- Knee Osteoarthritis, Vitamin D Deficiency, Pain, Postoperative, Arthropathy of Knee
- Trial name
- NCT04291833
- Testing
- Intervention group 1, Intervention group 2, Control group 0
- Where
- Poland
- Volunteers
- 150 people
- Sponsor
- Jagiellonian University
Bone Demineralization
Alendronate for Prevention of AntiRetroviral Therapy-associated Bone Loss
Antiretroviral therapy (ART) initiation is associated with a significant loss of bone mineral density (BMD), characterised by increases in bone turnover, which is largely limited to the first 48 weeks of therapy.
- Trial name
- APART (NCT02322099)
- Testing
- Alendronate, calcium carbonate and colecalciferol, Tenofovir disoproxil
- Where
- 2 sites in Ireland
- Volunteers
- 53 people
- Sponsor
- University College Dublin
Vitamin D Deficiency
Vitamin D Status Fluctuations Over One Academic Year in Students
The main objective of the study is to assess changes in the concentration of vitamin D metabolite in serum throughout the academic year and to examine its relationship with the occurrence of inflammation indicators, dietary…
- Trial name
- NCT06677411
- Testing
- Observention of vitamin D
- Where
- 2 sites in Poland
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Poznan University of Life Sciences
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
Human Immunodeficiency Virus (HIV)
Vitamin D3 Supplementation in Patients With HIV: Effects on Interleukin-6 Levels and CD4 Counts
This study aims to evaluate the effect of Vitamin D3 supplementation on inflammatory markers and immune status in patients with HIV who are receiving antiretroviral therapy.
- Trial name
- NCT07553052
- Testing
- Vitamin D3, Antiretroviral (ARV) medications
- Where
- Indonesia
- Volunteers
- 20 people
- Sponsor
- Universitas Sebelas Maret
Vitamin D Deficiency, Respiratory Tract Infections
Vitamin D Supplementation for the Prevention of Acute Respiratory Infections: a RCT in Young Finnish Men
Vitamin D intervention effects on the prevention of acute respiratory tract infections among Young Finnish Men
- Trial name
- NCT05014048
- Testing
- Vitamin D3
- Where
- Finland
- Volunteers
- 231 people, healthy volunteers welcome
- Sponsor
- Tampere University
Dental Implant, Dental Implant Failed
Effect of Systemic Vitamin D on Dental Implant Osseointegration
The primary goal for any oral implantologist is to obtain satisfactory healing and long-term treatment success. Osseointegration is the key to dental implant success8 and is required to achieve direct structural and functional…
- Conditions
- Dental Implant, Dental Implant Failed, Vitamin D Deficiency
- Trial name
- VIDOS (NCT07684404)
- Testing
- Vit D
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Asthma-COPD Overlap Syndrome, Vitamin D Deficiency
Impact of Vitamin D3 Administration on Cardiac Autonomic Tone in Asthma Chronic Obstructive Pulmonary Disease(COPD) Overlap Patients
Title:Impact of vitamin D administration on cardiac autonomic tone in Asthma Chronic Obstructive Pulmonary Disease (COPD) Overlap patients: A blinded randomized control trial.
- Conditions
- Asthma-COPD Overlap Syndrome, Vitamin D Deficiency, Cardiac Autonomic Tone
- Trial name
- COPD (NCT03773809)
- Testing
- Vitamin D capsule
- Where
- Bangladesh
- Volunteers
- 50 people
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Pharmacokinetics and Efficacy of KRN23 in Pediatric Chinese Patients With XLH
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in pediatric Chinese patients with XLH
- Trial name
- NCT04842032
- Testing
- KRN23
- Where
- 5 sites in China
- Volunteers
- 28 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Dry Eye Syndromes, Hypovitaminosis D
Impact of Vitamin D3 Supplementation in Non-Sjogren Dry Eye Patients With Low Serum Vitamin D Level
Dry eye disease is multifactorial, ocular inflammatory condition causing irritation, stinging sensation, uneasiness and blurring. Non-Sjogren syndrome occurs due to absent or dysfunction of lacrimal gland.
- Trial name
- NCT05425914
- Testing
- Vitamin D, Artificial tear
- Where
- Pakistan
- Volunteers
- 108 people
- Sponsor
- University of Faisalabad
Chronic Liver Disease, Hypovitaminosis
Hypovitaminosis D and an Inadequate PTH Response in Chronic Liver Disease Patients
The purpose of this study is to determine how common low levels of magnesium are in patients with end stage liver disease. In addition, investigator is trying to determine if low levels of magnesium affect the release of…
- Trial name
- NCT00599352
- Testing
- magnesium
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Rajib Bhattacharya, MD
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
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
The Effect of Vitamin D on Bone Accretion and Turn-Over in Young Girls
Objectives To evaluate the effect of increased vitamin D intake on vitamin D status, bone mass and bone turnover in young girls aged 12-13.
- Trial name
- NCT00267540
- Testing
- cholecalciferol (D3) (vitamin)
- Where
- Denmark
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Vitamin D Deficiency, Inflammatory Bowel Diseases
Vitamin D Status in Inflammatory Bowel Disease
Inflammatory bowel disease (IBD), comprising crohn's disease (CD) and ulcerative colitis (UC), is a a chronic, relapsing-remitting systemic disease.
- Trial name
- vdsinibd (NCT03496246)
- Testing
- serum total 25 hydroxycholecalciferol 25(OH) vitamin D, complete blood count (CBC), serum calcium level
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Assiut University
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