Clinical trials: Deficiency of Vitamin D3, active
Allergic Rhinitis, Allergic Rhinitis (AR)
Effect of Combined Probiotics and Vitamin D on Symptoms of Allergic Rhinitis
The goal of this clinical trial is to learn if taking probiotics, vitamin D, or both together can help lower symptoms of allergic rhinitis (AR) and improve quality of life in adults.
- Trial name
- NCT07115342
- Testing
- Standard Allergic Rhinitis Treatment, Combined Vitamin D and Probiotics Supplementation
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Tanta University
Kidney Diseases, Dialysis; Complications
PRevEnting FracturEs in REnal Disease - 1
PREFERRED-1 is a pilot study designed to determine the feasibility of a large randomized, pragmatic, open-label, comparative-effectiveness trial of denosumab for the prevention of fragility fractures in people receiving…
- Conditions
- Kidney Diseases, Dialysis; Complications, Fragility Fracture, Chronic Kidney Disease-Mineral and Bone Disorder
- Trial name
- PREFERRED-1 (NCT05096195)
- Testing
- Denosumab 60 mg/ml, Calcium and vitamin D prophylaxis, Monitoring of post-injection calcium and phosphate
- Where
- 6 sites in Canada
- Volunteers
- 60 people
- Sponsor
- Western University, Canada
Diabetes (DM), Vitamin D Deficiency
Comparison of Different Doses of Vitamin D Supplementation on Glycated Haemoglobin and Blood Glucose Parameters With Type II Diabetes Mellitus Having Vitamin d Deficiency
COMPARISON OF DIFFERENT DOSES OF VITAMIN D SUPPLEMENTATION ON GLYCATED HEMOGLOBIN (HbA1c) and BLOOD GLUCOSE PARAMETRS IN PATIENTS WITH TYPE 2 DIABETES MELLITUS HAVING VITAMIN D DEFICIENCY"
- Trial name
- NCT07321223
- Testing
- Vitamin D
- Where
- Pakistan
- Volunteers
- 108 people
- Sponsor
- University of Lahore
X Linked Hypophosphatemia
Burden of Disease and Functional Impairment in XLH
Observational study comprising prospective follow up as well as retrospective chart review in order to evaluate the longitudinal course of the disease in XLH patients with a specific focus on functional impairment, physical…
- Trial name
- IdeFIX (NCT04946409)
- Testing
- no intervention
- Where
- Germany
- Volunteers
- 60 people
- Sponsor
- Wuerzburg University Hospital
Pulmonary Artery Hypertension, Vitamin d Deficiency
REstoration of VItamin D in Pulmonary Arterial Hypertension
Background. Pulmonary arterial hypertension (PAH) is a heterogeneous pathophysiological condition characterized by progressive pulmonary vascular narrowing that ultimately results in right-sided heart failure and eventually death…
- Trial name
- REVIDAH (NCT06258850)
- Testing
- Calcifediol Oral Capsule
- Volunteers
- 102 people
- Sponsor
- Parc de Salut Mar
Irritable Bowel Syndrome (IBS), Vitamin D Deficiency
Role of Vitamin D Supplementation in Children With Irritable Bowel Syndrome
This study was designed to determine whether vitamin D supplementation improved symptoms in children with irritable bowel syndrome, a condition associated with repeated abdominal pain and changes in bowel habits.
- Trial name
- NCT07914478
- Testing
- Vitamin D3
- Where
- Pakistan
- Volunteers
- 48 people
- Sponsor
- Aziz Bhatti Shaheed Teaching Hospital
Hypertensive Disorders of Pregnancy
Vitamin D and Hypertensive Disorders of Pregnancy
The purpose of this study is to further investigate the association between vitamin D deficiency/insufficiency and hypertensive disorders of pregnancy by studying the impact of screening for vitamin D deficiency and…
- Trial name
- NCT07017920
- Testing
- Vitamin D Levels measurement
- Volunteers
- 594 people
- Sponsor
- TriHealth Inc.
Critical Illness, Vitamin D Deficiency
The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients
In the VITdAL-ICU trial using a large oral dose of vitamin D3 in 480 adult critically ill patients, there was no benefit regarding the primary endpoint hospital length of stay.
- Conditions
- Critical Illness, Vitamin D Deficiency, Covid19
- Trial name
- VITDALIZE (NCT03188796)
- Testing
- Cholecalciferol
- Where
- 18 sites in Austria, Belgium and 2 more
- Volunteers
- 2,400 people
- Sponsor
- Medical University of Graz
Parkinson Disease
Effect of Vitamin D3 Supplementation on Cardiac Autonomic Nerve Function in Male Parkinson's Disease Patients With Hypovitaminosis D
The goal of this clinical trial is to see the effect of vitamin D3 supplementation on cardiac autonomic nerve function in male Parkinson's disease patients with hypovitaminosis D Main questions it aims to answer are: 1.
- Trial name
- NCT07084597
- Testing
- Vitamin D
- Where
- Bangladesh
- Volunteers
- 15 people
- Sponsor
- Bangladesh Medical University
X-linked Hypophosphatemia
A First-in-human Study of KK8123 in Adults With X-linked Hypophosphatemia
A first-in-human study of KK8123 in adults with X-linked hypophosphatemia.
- Trial name
- NCT06525636
- Testing
- KK8123
- Where
- 10 sites in United States, Canada and 3 more
- Volunteers
- 39 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Vitamin D Deficiency
Vitamin D Status and Its Influencing Factors in Zhejiang Province: A Multicenter Cross-Sectional Study
Vitamin D deficiency is a global public health problem, with an estimated 1 billion people affected worldwide, and large-scale systematic data for Zhejiang Province remain scarce.
- Trial name
- NCT07866391
- Where
- 2 sites in China
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Zhejiang University
Acute Respiratory Infections, Critical Illness in Children
Serum Vitamin D Status in Critically Ill Children With Acute Respiratory Infections
Acute respiratory infections (ARIs) are among the leading causes of hospitalization, morbidity, and mortality in children worldwide, particularly among critically ill patients admitted to pediatric intensive care units (PICUs).
- Conditions
- Acute Respiratory Infections, Critical Illness in Children, Vitamin D Deficiency, Pediatric Respiratory Infections
- Trial name
- VITD-ARI (NCT06547749)
- Testing
- Serum 25-Hydroxyvitamin D Assessment
- Where
- Egypt
- Volunteers
- 63 people
- Sponsor
- Assiut University
X-linked Hypophosphatemia (XLH)
Effective Dosing of Burosumab in XLH
X-linked hypophosphataemia (XLH) is a rare, hereditary condition. The genetic defect leads to low blood phosphate levels and vitamin D suppression. Phosphate is required for strong bones and teeth and to store energy in cells.
- Trial name
- NCT07183579
- Where
- United Kingdom
- Volunteers
- 120 people
- Sponsor
- University of Nottingham
Vascular Disease, CKD-MBD - Chronic Kidney Disease Mineral and Bone Disorder
Biomarkers and Event Patterns of Vascular Disease in Hemodialysis
Parathyroid hormone (PTH) remains the central biomarker to classify CKD-metabolic bone disease (CKD-MBD) in hemodialysis patients.
- Trial name
- HEMOcalc (NCT07170761)
- Where
- Austria
- Volunteers
- 475 people
- Sponsor
- Medical University of Graz
Type 2 Diabetes
Relationship Between Insulin Resistance and Vitamin D in Type 2 Diabetes Mellitus (DM)
The primary aim of the study is to evaluate the association between vitamin D levels and triglyceride-glucose index as a marker of insulin resistance in patients with type 2 DM.
- Trial name
- DM (NCT07467161)
- Volunteers
- 165 people
- Sponsor
- Assiut University
Chronic Kidney Diseases, Hypertension
Integrated Diagnosis and Treatment of CKD on Outcomes
Objective: To establish a study cohort and follow up of patients with CKD in our hospital, and evaluate the status of integrated CKD diagnosis and treatment according to guidelines in the real world, as well as the clinical…
- Conditions
- Chronic Kidney Diseases, Hypertension, Hyperglycemia, Hyperlipidemias
- Trial name
- NCT05242055
- Testing
- Integrated diagnosis and treatment for CKD
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Capital Medical University
AKI, CKD
Genetics in the Progression of Nephropathies
This study evaluates the role of genetic in the development and progression of different nephropaties with particular attention to: AKI CKD Hypertension ADPKD CKD-MBD Patients with decompensated heart failure undergoing either…
- Conditions
- AKI, CKD, Ckd-Mbd, CKD (Chronic Kidney Disease) Stage 5D
- Trial name
- NCT06416761
- Testing
- genetic polymorphisms
- Where
- Italy
- Volunteers
- 10,000 people
- Sponsor
- Ospedale San Raffaele
Pulpitis - Irreversible, Vitamin D Deficiency
Effect of Vitamin D on Postoperative Pain in Symptomatic Irreversible Pulpitis
Vitamin D deficiency (VDD) is a prevalent global health concern that has been linked to altered pain perception through its effects on inflammatory pathways, nociceptor activity, and neurotrophic signaling.
- Trial name
- NCT07579637
- Testing
- Vitamin D3
- Where
- Egypt
- Volunteers
- 54 people
- Sponsor
- Future University in Egypt
Polycystic Ovarian Syndrome in Adolescent Females, Vitamin D Deficiency
Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS)
This study is a double blind, placebo controlled, randomized trial of study subjects with PCOS and low vitamin D to 2 groups- placebo and vitamin D replacement.
- Trial name
- NCT04355572
- Testing
- Vitamin D 4000IU daily
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Yale University
Vitamin D Deficiency
ViDES Trial (Vitamin D Extra Supplementation)
The objective of the study is to compare supplementation with vitamin D at 800 IU/day to usual care for the first 28 days after birth with respect to 25 (OH) vitamin D levels and indicators of likely or plausible effects of…
- Trial name
- NCT05459298
- Testing
- 800 IU/day vitamin D supplementation with feedings in the first 28 days after birth, Usual Care
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- The University of Texas Health Science Center, Houston