Search clinical trials for: Serum 25-hydroxyvitamin D (25OHD)

Total 491716 results

University of Surrey

Completed

Dietary Requirement for Vitamin D in Adolescents Aged 14-18 Years

Serum 25-hydroxyvitamin D Concentrations (25OHD)

United Kingdom
University of Helsinki
University College Cork; Finnish Institute for Health and Welfare; Technical...

Completed

Marwo-D Research -Need for Vitamin D in Different Population Groups (ODIN)

Serum 25-hydroxyvitamin D Concentrations (25OHD)

Finland
University of Helsinki
University College Cork; Technical University of Denmark

Completed

The BreaD Study - Bio-availability of D2 Vitamin Present in Bread (BreaD_ODIN)

Serum 25-hydroxyvitamin D Concentrations (25OHD)

Finland
Shenzhen Center for Chronic Disease Control
Sun Yat-sen University

Completed

VDR SNPs & 25OHD Correlated With Dyslipidemia

Dyslipidemias | Single Nucleotide Polymorphism

China
Aga Khan University Hospital, Pakistan

Completed

Practices of Vitamin D Supplementation Leading to Vitamin D Toxicity

Vitamin D Toxicity

Pakistan
Applied Science Private University

Completed

The Effect of Omega 3 on 25 Hydroxyvitamin D (n-3FAon25OHD)

25-hydroxyvitamin D Levels

Jordan
Centre of Postgraduate Medical Education

Unknown

Calcium (ca),Phosphorus( P) and 25-hydroxyvitamin D(25OHD)] in Infants Born ≤ 32 PMA Gestational Weeks (GA) (Ca-P)

Infant, Premature, Diseases

Poland
University of Copenhagen

Completed

Effect of Different Vitamin D Vitamers on Vitamin D Status (VitD)

Vitamin D Status

Denmark
Yoplait France SAS
Eurofins Optimed

Completed

Effect of Consumption of Yogurt Fortified in Calcium and Vit. D on Circulating Levels of 25OHD in Postmenopausal Women

Vitamin D Deficiency | Menopause

France
Assistance Publique - Hôpitaux de Paris

Completed

Vitamin D and Preeclampsia (FEPED)

Pregnancy | Preeclampsia | Vitamin D Deficiency Defined as Serum 25OHD < 75 Nmol/l or 30ng/ml | Neonatal Hypercalcemia

France
Yale University
Eunice Kennedy Shriver National Institute of Child Health and Human Development... and other collaborators

Completed

Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children (VitaD)

Vitamin D Deficiency

United States
University of Eastern Finland
DSM Nutritional Products, Inc.

Completed

Efficiency of Vitamin D3 and 25-hydroxyvitamin D3 on Transcriptomic Changes of Low Vitamin D Responders (VitDHiD)

Vitamin D Receptor Target Gene Expression | Serum 25(OH)D Concentration

Finland
Mairead Kiely PhD
European Commission

Completed

Nutritional Requirements for Vitamin D in Pregnant Women (DMAT)

Vitamin D Deficiency

Ireland
University of Michigan

Completed

Trial of Vitamin D Fortified Milk

25-hydroxyvitamin D Serum Concentrations

Colombia
University of Eastern Finland

Completed

The Effect of a High-dose Oral Vitamin D3 Bolus on Serum 25(OH)D3 and Vitamin D Receptor Target Gene Expression (VitDbol)

Vitamin D Receptor Target Gene Expression | Serum 25(OH)D Concentration

Finland
University College Cork

Completed

Dietary Supplementation With 25-hydroxyvitamin D3 in Older Adults

Vitamin D Status as Reflected by Serum 25-hydroxyvitamin D

Ireland
Chulalongkorn University

Not yet recruiting

"Quick-starting" of a Quadriphasic Contraceptive Pills, 1 - 3 mg Estradiol Valerate/ 2 - 3 mg Dienogest VS 20 mcg Ethinylestradiol/75 mcg Gestodene Focusing on Ovulation Inhibition

Ultrasound Finding: Ovulation Inhibition, Ovarian Activities | Cervical Mucus | Serum Hormonal Profile
Centre Hospitalier Universitaire de Nīmes
The University of Texas at Dallas; Universite Cote d'Azur; International Center...

Not yet recruiting

Stratification of Risks of Conversion of Radiologically Isolated Syndromes (RIS) by Identifying Biomarkers in Serum and Cerebrospinal Fluid. (ProBioRIS)

Multiple Sclerosis | Radiologically Isolated Syndrome

United States, France
Chulalongkorn University

Not yet recruiting

"Quick-starting" of a New Combined Hormonal Contraceptive Pills, 15 mg Estetrol/3 mg Drospirenone VS 20 mcg Ethinylestradiol/75 mcg Gestodene Focusing on Ovulation Inhibition

Ultrasound Finding: Ovulation Inhibition, Ovarian Activities | Cervical Mucus | Serum Hormonal Profile
Preeyaporn Jirakittidul

Not yet recruiting

The Effect of Dimenhydrinate on Postoperative Nausea and Vomiting After Abdominal Hysterectomy: Randomized-controlled Trial

Healthy Women | Gynecologic Neoplasm
Tasso Inc.

Recruiting

A Multi-site Clinical Evaluation of Capillary Blood Samples Collected Using the Tasso+SST Device for Downstream Analyte Testing

Serum Analytes

United States
Assiut University

Not yet recruiting

Role of Serum ADAM 17 (A Disintegrin And Metalloprotease 17) and Caspase 3 in Patients With Chronic Kidney Disease

Chronic Kidney Diseases
First Affiliated Hospital Xi'an Jiaotong University

Not yet recruiting

Study on the Serum Metabolic Markers and Early Complications After Allo-HSCT： Cohort Study

Acute Graft Versus Host Disease | Acute Kidney Injury | Stem Cell Transplant Complications | Major Adverse Cardiac Events
General Hospital of Shenyang Military Region

Not yet recruiting

Change in Serum Biomarkers After Endovascular Treatment for Acute Anterior Circulation Large Vessel Occlusion

Ischemic Stroke

China
Austin Institute for Clinical Research
SkinCeuticals

Not yet recruiting

Single-Blind Study Assessing the Use of a Topical Antioxidant With A Series of Laser Procedures to Reduce Sebum Production

Acne
Minia University Hospital

Recruiting

Dexmedetomidine on Postoperative Cognitive Dysfunction and Serum Tau-217 Protein.

Cognitive Impairment

Egypt
Cairo University

Not yet recruiting

Correlation Between Serum Progesterone Level And Primary Dysmenorrhea

Primary Dysmenorrhea
China Medical University Hospital

Recruiting

Alectinib in Combination With Nivolumab in the Treatment of Recurrent or Refractory HCC Patients Guided With Serum RNase1 and Tumor Expression of PD-L1

Hepatocellular Carcinoma

Taiwan
Ege University
THE SCIENTIFIC AND TECHNOLOGICAL RESEARCH COUNCIL OF TÜRKİYE

Recruiting

Comparison of Salivary Procalcitonin (PCT) Levels and Serum PCT Levels

Bacterial Infections | Children, Only | Procalcitonin | Saliva

Turkey
Sohag University

Not yet recruiting

Predictive Value of Serum Uric Acid to High Density Lipoprotein Cholesterol Ratio for Diabetic Kidney Injury in Type 2 Diabetes

Diabetic Kidney Disease
Aya Ayman Ahmed

Not yet recruiting

Assessment of Serum Concentration of Interleukin-17 and Osteoprotegerin in Response to Surgical Trauma Induced by Management of Mandibular Fractures Via Intraoral Versus Extraoral Approaches: Prospective Cohort Study

Mandibular Fractures
New Valley University

Not yet recruiting

Radiological Characterization of Pulmonary Involvement in Patients With Hematological Diseases

Hematologic Diseases
Sohag University

Recruiting

Acute Kidney Injury in Patients With Liver Cirrhosis

Acute Kidney Injury in Patients With Liver Cirrhosis

Egypt
South Valley University

Not yet recruiting

Serum Intercellular Adhesion Molecule -1 in Acne Vulgaris Patients : Effect of Montelukast

Acne Vulgaris
Hacettepe University

Not yet recruiting

Investigation of the Effects of Exercise and Kinesiological Taping on Spinal Deformities and Serum Markers in Individuals With Scoliosis

Scoliosis | Scoliosis Idiopathic | Musculoskeletal Deformity
Shi Yun

Not yet recruiting

The Bone Metabolism Characteristics of Premature Ovarian Insufficiency (POI)

Bone Diseases, Metabolic | Bone Mineral Density | Premature Ovarian Insufficiency

China
Shanghai Zhongshan Hospital

Not yet recruiting

Establishment of Serum Proteomics Subtypes of Gastric Cancer and Its Clinical Application

Gastric Cancer
Oguzhan Kahveci

Recruiting

Examination of the Effects of Chromium Levels on Glucose Metabolism, Lipid Metabolism, Morbidity and Mortality Rates in Patients Followed in Intensive Care Unit

Diabetes Mellitus | Hypercholesterolemia | Hyperlipidemias | Chromium Deficiency

Turkey
Hospital Universitario 12 de Octubre

Recruiting

New Protein Biomarkers and Technology for Improving Diagnosis and Outcome Prediction in Mild TBI

Mild Traumatic Brain Injury

Spain
Imperial College London

Not yet recruiting

SerUm and Plasma MicroRNAs in Malignant Ovarian gERm Cell Tumours (SUMMER)

Ovarian Neoplasms | Ovarian Cancer | Ovary Cancer | Germ Cell Tumor | Ovary Neoplasm | Germ Cell Cancer | Germ Cell Ovarian Cancer | Germ Cell Neoplasia
DeYi Aesthetic Medical Clinic

Not yet recruiting

A Clinical Study to Evaluate the Efficacy and Satisfaction of RHC Serum Combined With RHC(III) Injection

Facial Wrinkles
Cosmetique Active International

Recruiting

Efficacy and Tolerability of Tested Formula After 3 Months in Treatment of Facial Hyperpigmentation of 3 Origins

Hyperpigmentation

Portugal
Sandwell & West Birmingham Hospitals NHS Trust

Not yet recruiting

Measuring the Negative Predictive Value and Specificity of Serum Biomarkers in Gastric Cancer

Gastric Cancer

United Kingdom
Firat University

Not yet recruiting

The Relationship Between Preoperative Serum Asprosin Level and Postoperative Analgesic Consumption in Patients Undergoing Caesarean Section

Postoperative Pain | Cesarean Section | Obstetric Pain
Inonu University

Not yet recruiting

VEXUS and NGAL in the Diagnosis and Prognosis of Sepsis-associated Acute Kidney Injury

Sepsis | Acute Kidney Injury
Jagiellonian University

Recruiting

Activity of Chronic Inflammation in PCOS

Polycystic Ovary Syndrome

Poland
Université de Sherbrooke

Not yet recruiting

Efficacy of 20% Autologous Serum Drops in the Treatment of Corneal Epitheliopathy Associated With Antihypertensive Glaucoma Drops.

Glaucoma | Dry Eye | Corneal Disease | Corneal Epitheliopathy
Ciusss de L'Est de l'Île de Montréal

Not yet recruiting

Impact of Administration of Esmolol on Nociception Level-guided Control of Nociception. (ESMONOL)

Anesthesia | Opioid Use, Unspecified | Nociceptive Pain

Canada
Assiut University

Not yet recruiting

Association Of Serum Vitamin D Level With Isthmic Spondylolysis

Spondylolysis
Assiut University

Not yet recruiting

Renal Assessment for Early Detection of Renal Impairment in Systemic Sclerosis and Systemic Lupus Erythematosus Patients

Systemic Sclerosis and Systemic Lupus Erythematous

Search clinical trials for: Serum 25-hydroxyvitamin D (25OHD)

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