Search clinical trials for: Laboratory assessment: Vitamin D Level

Total 3122 results

Ghamra Military Hospital
Al-Azhar University

Completed

Vitamin D Levels in Women With Polycystic Ovary Syndrome

Polycystic Ovary Syndrome

Egypt
Abha International Private Hospital
Mansoura University

Completed

Impact of Vitamin D on Acute Ischemic Stroke Prognosis (IVASTO)

Ischemic Stroke

Egypt, Switzerland
Children's Hospital of Fudan University
Minhang Maternal and Children Health Care Hospital

Completed

Maternal Key Nutritional Factors and Offspring's Atopic Dermatitis (MKNFOAD) (MKNFOAD)

Atopic Dermatitis

China
Fatih Sultan Mehmet Training and Research Hospital

Active, not recruiting

Relationship Between Vitamin D and Vitamin B12 Levels and Neuropathic Pain in Lipedema

Vitamin D Deficiency | Lipedema | B12 Deficiency Vitamin

Turkey
Instituto Mexicano del Seguro Social

Completed

Vitamin D Deficit in Women With Uterine Fibroids

Vitamin D Deficiency | Leiomyoma | Fibroid Uterus

Mexico
University Women's Hospital Tübingen

Unknown

Plasma Concentrations of Calcium, Phosphate, FGF23, Klotho, 25 (OH) D3 and 1,25 (OH) 2D3 From Patients Who Wants to Have Children

Infertility, Female

Germany
Assiut University

Unknown

Role of Vitamin D in Androgenetic Alopecia

Alopecia, Androgenetic
Khon Kaen University

Not yet recruiting

Association of Vitamin D Level and Its Receptor With Endometriosis

Endometriosis

Thailand
Methodist Health System

Active, not recruiting

Relationships Between Vitamin D and Orthopedic Trauma

Fractures, Bone | Fracture | Vitamin D | Fracture Nonunion

United States
University of Sao Paulo
Fundação de Amparo à Pesquisa do Estado de São Paulo

Completed

Evaluation of the Association Between Osteoporosis and Postural Balance in Postmenopausal Women

Postural Balance
Fatih Sultan Mehmet Training and Research Hospital

Completed

The Relationship Between Vitamin D Levels, Inflammatory Parameters and Disease Severity of COVID-19 Infection

Covid19 | Vitamin D Deficiency

Turkey
Jordan University of Science and Technology

Completed

Prevalence of Vitamin D Deficiency in Pregnant Women and Their Fetus in North Jordan

Vitamin D Deficiency

Jordan
Assiut University

Active, not recruiting

Prognostic Value of Vitamin D Levels in Egyptian Females With Breast Cancer

Vitamin D Deficiency

Egypt
Aimin Zhao

Recruiting

The Cohort Study of the Correlation Between Serum 25(OH)D Level and Pregnancy Outcome

Vitamin D Deficiency | Pregnancy Related | Recurrent Miscarriage

China
Odense University Hospital
Pfizer; University of Southern Denmark; Region of Southern Denmark; Odense Patient... and other collaborators

Completed

Vitamin D and Cardiovascular Events in Rheumatoid Arthritis

Cardiovascular Disease | Rheumatoid Arthritis
Bursa City Hospital

Unknown

Do Vitamin D Levels Really Correlated With Disease Severity in COVID-19 Patients? (COVIDVIT)

COVID

Turkey
Kanuni Sultan Suleyman Training and Research Hospital

Completed

Comparison of Maternal and Neonatal Vitamin D Levels in Term Neonates With and Without Early Onset Sepsis

Vitamin D Deficiency

Turkey
Assiut University

Unknown

Serum and Semen Vitamin D Level With Semen Parameters

Vitamin D Deficiency

Egypt
Dr. S R Thanthulage

Terminated

Vitamin D Levels In Patients Who Has Normal to Grade 2 Knee Arthroscopy Changes

Knee Pain

United Kingdom
Hillel Yaffe Medical Center

Unknown

The Impact of Vitamin D Deficiency on Hypocalcaemia Following Total Thyroidectomy

Vitamin D Deficiency | Hypocalcemia
LMU Klinikum

Recruiting

Pompe & Pain - Study to Assess Nociceptive Pain in Adult Patients With Pompe Disease

Pompe Disease (Late-onset) | FSHD | Spinal Muscular Atrophy Type 3 | Inclusion Body Myositis

Germany
Cumhuriyet University

Recruiting

Vitamin D Level and Pain Type in Coccygodynia

Vitamin D Deficiency | Neuropathic Pain | Nociceptive Pain | Coccyx Disorder

Turkey
Mansoura University

Completed

Serum Levels of Vitamin D and IL8 in Patients With Periodontitis

Periodontal Diseases

Egypt
Kanuni Sultan Suleyman Training and Research Hospital
Ayşegül Bestel; İbrahim Polat; Merve Aldıkaçtıoğlu Talmaç

Completed

Evaluation of the Relationship Between Zinc Vitamin D and b12 Levels in the Covid-19 Positive Pregnant Women

Vitamin D Deficiency | COVID | Zinc Deficiency

Turkey
National Cancer Institute, Naples
Unity Health Toronto; University of Catania

Active, not recruiting

Diet, Exercise and Vitamin D in Breast Cancer Recurrence (DEDiCa)

Breast Cancer

Italy
Ain Shams University

Recruiting

Vitamin D and Serum Calcium Level Insufficiency and Early Dental Implant Failure

Vitamin D Deficiency | Dental Implant Failure Nos

Egypt
Abant Izzet Baysal University

Completed

Electrophysiological Findings in Fibromyalgia Patients

Fibromyalgia

Turkey
Ain Shams University

Completed

Correlation Between Vitamin D Serum Level and Early Implant Failure (EDIF)

Endosseous Dental Implant Failure

Egypt
Azienda Ospedaliera Specializzata in Gastroenterologia...

Unknown

Vitamine d Dosage and Constipation

Vitamine d Dosage in Slow Transit Time Constipation

Italy
Arkansas Children's Hospital Research Institute
University of Arkansas

Unknown

Effects of Swallowed Steroids on Bone Density and Growth in Pediatric Eosinophilic Esophagitis

Eosinophilic Esophagitis

United States
Ain Shams University

Not yet recruiting

Correlation Between Serum Vitamin D3 and Incidence of Uterine Leiomyoma

Vitamin D Deficiency | Leiomyoma
The Cleveland Clinic

Completed

Vitamin D Replacement in Nonalcoholic Fatty Liver Disease

Nonalcoholic Fatty Liver

United States
Centre Hospitalier Departemental Vendee

Completed

Monocentric Randomized Study, Assessing the Interests of the Determination of Vitamin D in Prison Population. (Vitamine D)

Male Prisoner

France
National Opinion Research Center
Centers for Disease Control and Prevention; Emory Healthcare

Completed

Evaluating the Cost Effectiveness of STEADI (STEADI)

Accidental Fall

United States
Lv Yingjuan

Completed

Associations of Vitamin D Deficiency and Vitamin D Receptor Polymorphisms With the Risk of Primary Open-angle Glaucoma

Vitamin D Deficiency | Primary Open- Angle Glaucoma

China
SMG-SNU Boramae Medical Center

Unknown

Evaluation of Blood Biomarkers as an Indicator of Postoperative Cognitive Dysfunction

Postoperative Cognitive Dysfunction
Sohag University

Completed

Nutritional Deficiency After Bariatric Surgeries

Nutritional Deficiency

Egypt
Klinikum Emden

Completed

Vitamine D in Post-COVID Patients (VD-PCS)

Post COVID

Germany
Assiut University

Unknown

Vitamin D Level and Risk of Infections in Cirrhotic Patients

Liver Cirrhosis | Vitamin D Deficiency | Infection

Egypt
Sohag University

Completed

Assessment of Serum Levels of Vitamin D, Vitamin B12 and Folic Acid Among Patients With Lifelong Premature Ejaculation and Non-responding to Dapoxetine Treatment. (PE)

Vitamin D, Vitamin B12 and Folic Acid Among Patients With Premature Ejaculation

Egypt
University of Trieste

Completed

Hypovitaminosis D and "Metabolic" Inflammatory Status in Patients With Obesity (ViDO)

Obesity | Hypovitaminosis D

Italy
Singapore General Hospital
Duke-NUS Graduate Medical School

Completed

Modulate Cellular Stress in the Immune Cells to Reduce Rate of Symptomatic Viral Infection

Yellow Fever | Viral Infection | Endoplasmic Reticulum Stress

Singapore
Mansoura University

Completed

Impact of Vitamin D Level and Supplement on SLE Patients During COVID-19 Pandemic

Covid19

Egypt
Fundación Pública Andaluza para la gestión de la...

Completed

Immunomodulatory Effect of Vitamin D in Allogenic Post-transplant (Alovita-1)

Hematopoietic Stem Cell Transplantation

Spain
Kathy Prelack, PhD, RD

Terminated

Bone Mineral Density, Body Composition and Growth Following Severe Burn Injury

Malnutrition | Growth | Burn

United States
Pfizer

Terminated

Randomized Study Of Exercise And Vitamin D In Frail Elderly Subjects

Elderly, Frail

United States
Umeå University
Region Skane

Completed

Comparing Different Amounts of Vitamin D Supplementation to Preschool Children Living in Northern and Southern Sweden (Dvisum)

Vitamin D Deficiency

Sweden
Instituto Nacional de Enfermedades Respiratorias

Unknown

Effect of Vitamin D as Adjunctive Therapy in Patients With Pulmonary Evolution Tuberculosis (VitaminD)

Pulmonary Tuberculosis

Mexico
Tools4Patient

Completed

A Study to Investigate a New Treatment in Patients With Parkinson's Disease

Parkinson Disease

United States, France, Belgium
University of Aarhus

Not yet recruiting

Next-generation Effects of Vitamin D Supplementation in Pregnancy

Immune System Diseases | Growth | Child Development | Vitamin D Supplementation

Search clinical trials for: Laboratory assessment: Vitamin D Level

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