Clinical trials: Vitamin D3 Deficiency, open to volunteers
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
Inflammatory Bowel Diseases
Association Between Vitamin D Deficiency and Inflammatory Bowel Disease
Crohn's disease (CD) and ulcerative colitis (UC) are two major types of inflammatory bowel disease (IBD) that are identified by different clinical, endoscopic, pathological, and radiologic diagnostic methods.
- Trial name
- NCT07259603
- Testing
- Serum 25(OH)D (Vitamin D3), C- reactive protein, Erthrocyte sedimentation rate
- Volunteers
- 100 people
- Sponsor
- Assiut University
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.
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
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
Renal Osteodystrophy, Chronic Kidney Diseases
Precision Medicine Approaches to Renal Osteodystrophy
Treatment of renal osteodystrophy is impeded by the lack of practical and accurate tools to determine underlying bone turnover. Gold standard bone biopsy is not practical in the clinic for the vast majority of kidney disease…
- Conditions
- Renal Osteodystrophy, Chronic Kidney Diseases, CKD-MBD, Bone Turnover Rate Disorder
- Trial name
- PMaROD (NCT05880914)
- Testing
- miRNAseq analysis, Standard treatment for bone disorder
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Thomas Nickolas
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
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
Locally Advanced Cervical Cancer, Vitamin D Concentration
Vitamin D Status and Clinical Outcomes in Locally Advanced Cervical Cancer
Background. Definitive chemoradiotherapy represents the standard therapeutic approach for the management of locally advanced cervical cancer.
- Trial name
- CERVITAL (NCT07743918)
- Testing
- Pretreatment Vitamin D Assessment in Serum and Cervical Lavage Fluid
- Where
- Serbia
- Volunteers
- 100 people
- Sponsor
- University of Kragujevac
Vitamin D Deficiency Due to Chronic Kidney Disease
Vitamin D in Dialysis Patients - Diagnostic and Therapeutic Management
The goal of this observational study is to learn about the effects of cholecalciferol administration, according to guidelines for the general population, on laboratory parameters of Chronic Kidney Disease-Mineral and Bone…
- Trial name
- NCT06571344
- Testing
- Cholecalciferol
- Where
- Poland
- Volunteers
- 160 people
- Sponsor
- Medical University of Gdansk
Preeclampsia
Vitamin D3 Supplementation Regimens and Preeclampsia Risk
This study is a randomized controlled trial with two parallel groups connected at Al-Thawra Modern General Hospital in Sana'a, Yemen.
- Trial name
- VitD-PE-RCT (NCT07648706)
- Testing
- Vitamin D3
- Where
- Yemen
- Volunteers
- 268 people
- Sponsor
- Sana'a University
Osteogenesis Imperfecta, Rare Bone Disorders
Morphology in Oral Rare Syndromes & Artificial Intelligence for Clinical Diagnosis
MOSAIC aims to determine whether oro-dental morphological anomalies, particularly palatal morphology, associated with rare bone and cartilage diseases can be precisely characterized using 3D digital models analysed through…
- Conditions
- Osteogenesis Imperfecta, Rare Bone Disorders, Hypophosphatemia, X-Linked
- Trial name
- MOSAIC (NCT07666269)
- Testing
- intra-oral 3D optical impression
- Where
- France
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
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