Clinical trials: Vitamin D, active
Bone Density, Bone Health
VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone (VITAL)
Vitamin D supplements are widely promoted for bone health. Both vitamin D and vitamin K are important for deposition of calcium in bone, but little is known about the relationship of vitamin K status and bone health.
- Conditions
- Bone Density, Bone Health, Fractures
- Trial name
- NCT04573946
- Testing
- Omega-3 fatty acids (fish oil), Vitamin D3
- Where
- United States
- Volunteers
- 25,871 people
- Sponsor
- Brigham and Women's Hospital
Corrosive Injury
Evaluation of the Role of N Acetyl Cysteine and Vitamin D in Improving Outcomes After Corrosive Ingestion
The goal of this clinical trial is to learn if N acetyl cysteine and vitaminD work to improve outcomes after corrosive ingestion in children.
- Trial name
- NCT07229456
- Testing
- N Acetyl Cysteine, Vitamin D (Cholecalciferol ), control group
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Ain Shams University
Idiopathic Sudden Sensorineural Hearing Loss
Mechanism and Application of Vitamin D in Idiopathic Sudden Sensorineural Hearing Loss
Clinical Trial Protocol: Investigating the Therapeutic Efficacy of Vitamin D in ISSNHL。Core Research Questions Can vitamin D supplementation improve the prognosis of Idiopathic Sudden Sensorineural Hearing Loss (ISSNHL)? What…
- Trial name
- N (NCT07045883)
- Testing
- Vitamin D Supplementation+ standard treatment, standard treatment
- Where
- China
- Volunteers
- 197 people, healthy volunteers welcome
- Sponsor
- Zhongshan Hospital Xiamen University
Anovulatory Infertility
Efficacy of Injectable Vitamin D Supplementation in Females With Polycystic Ovary Syndrome
Poly cystic Ovarian Syndrome (PCOS) is an endocrine disorder of reproductive age defined by "the presence of any two out of three criteria: oligo and/or anovulation, excess androgen activity and/or polycystic ovarian morphology…
- Trial name
- NCT06045351
- Testing
- Vitamin D, Active Comparator
- Where
- Pakistan
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- Aga Khan University
Osteoporosis Secondary, Breast Cancer Females
Vitamin k, D-chiro Inositol and α-lactalbumin in Bone Homeostasis
In women with breast cancer undergoing adjuvant hormone therapy, the marked tissue hypoestrogenism induced by therapy with aromatase inhibitors and/or tamoxifen ± GnRH analogues causes a significant acceleration in bone mass…
- Trial name
- Synostea (NCT07256769)
- Testing
- Group 1: calcium carbonate/cholecalciferol, Group 2: Synostea® (calcium carbonate/cholecalciferol/vitamin K/α-lactalbumin/ d-chiro-inositol)
- Where
- 2 sites in Italy
- Volunteers
- 134 people
- Sponsor
- Regina Elena Cancer Institute
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
Peri Implant Mucositis, Peri Implant Bone Loss
Local and Systemic Inflammatory Bone Alterations Related to Dental Implant Survival.
Introduction: Dental implants offer a durable, aesthetic, and functional option for tooth replacement. However, they are not immune to failure.
- Conditions
- Peri Implant Mucositis, Peri Implant Bone Loss, Peri Implantitis, Calcium Deficiency
- Trial name
- NCT07766707
- Where
- Spain
- Volunteers
- 192 people
- Sponsor
- University of Barcelona
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
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
Postnatal Women, Vitamin D
Pilates vs Aerobic Exercises on Vitamin D and Ionized Calcium in Postnatal
Vitamin D and calcium levels are negatively affected during postpartum period, making postnatal woman more vulnerable to health issues and consequently lowering her quality of life.
- Trial name
- NCT07566715
- Testing
- Exercise
- Where
- 2 sites in Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Adly A Adam
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
Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)
Periodontal Status and Biomarkers in MASLD
This study is designed as a prospective, observational research project conducted in collaboration between the Department of Periodontology at the Faculty of Dentistry and the Division of Gastroenterology at the Faculty of…
- Trial name
- NCT07923409
- Testing
- measurement of periodontal parameters, collection of GCF and serum samples
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University
Maternal Stress
Impact of Vitamin D Supplements on Mental Health and Milk Composition in Mothers Living in Idaho
Mothers of preterm infants experience exaggerated emotional stressors compared to those typically associated with new motherhood, making these women particularly vulnerable to postpartum depression.
- Trial name
- NCT06919718
- Testing
- Vitamin D (Cholecalciferol )
- Where
- 2 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Idaho
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
Immediate Implant Placement
Immediate Implant Placement Using Xenograft Mixed with Vitamin D Versus Hyaluronic Acid.
Immediate implant placement using xenograft as space filling material mixed with vitamin D versus hyaluronic acid in posterior mandible region This study aims to evaluate implant stability and density after placement of immediate…
- Trial name
- NCT06842368
- Testing
- Hyaluronic Acid (HA), Vitamin D
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Femur Shaft Fracture, Tibia Fractures
Assessing Bone Fracture Healing Effect of Almonds
Femur and tibia shaft fractures are common after trauma with a burden of 5% and 20% respectively. Clinicians recommend costly bone strengthening drugs/supplements while treating bone fractures.
- Conditions
- Femur Shaft Fracture, Tibia Fractures, Vitamin D, Sweet Almonds
- Trial name
- AFHEA (NCT07153302)
- Testing
- Prunus dulcis (sweet almonds)
- Where
- Pakistan
- Volunteers
- 136 people
- Sponsor
- Aga Khan University Hospital, Pakistan
Latent Autoimmune Diabetes in Adults (LADA)
Effects of Cofrogliptin on Beta-Cell Function in LADA Patients
This single-center, randomized, open-label, controlled study aims to evaluate the effect of cofrogliptin on pancreatic β-cell function in adults with latent autoimmune diabetes in adults (LADA).
- Trial name
- NCT07460336
- Testing
- Cofrogliptin, Vitamin D3, Metformin
- Where
- China
- Volunteers
- 84 people
- Sponsor
- Second Xiangya Hospital of Central South University
Pregnancy
Vitamin D Dynamics in Women
The goal of this project is to utilize stable isotopically labeled vitamin D3 and state of the art mass spectrometric methodology to assess vitamin D dynamics during pregnancy in relation to relation to obesity and vitamin D…
- Trial name
- NCT02705287
- Testing
- Vitamin D dynamics-pregnant, Vitamin D dynamics-nonpregnant
- Where
- United States
- Volunteers
- 160 people
- Sponsor
- Cornell University