Clinical trials: Vitamin Supplementation
PCOS
Vitamin D Supplementation in PCOS Patients
To assess whether Vitamin D supplementations for patients with polycystic ovary syndrome in conjunction with clomiphene citrate are beneficial or not
- Trial name
- PCOvit-D (NCT03898934)
- Testing
- Vitamin D
- Where
- Egypt
- Volunteers
- 170 people
- Sponsor
- Tanta University
Septic Shock
Blessing or Curse? Combined Vitamin Therapy in Non Viral Septic Shock.
Introduction: Septic shock leads to high morbidity and mortality in critically ill patients. Several lower-case scientific studies have supported the synergistic positive effect of vitamin C, thiamine, and hydrocortisone on…
- Trial name
- NCT06152458
- Testing
- Vitamin C
- Where
- Hungary
- Volunteers
- 43 people
- Sponsor
- University of Pecs
Bronchiolitis
Efficacy of Vitamin D Supplementation for Children With Bronchiolitis
Vitamin D plays an important role in enhancing mucosal immune defense, decreasing excessive inflammation, and increasing mucociliary clearance.
- Trial name
- NCT05795933
- Testing
- Vitamin D3
- Where
- Egypt
- Volunteers
- 146 people
- Sponsor
- Sohag University
Renal Insufficiency, Chronic, Vascular Stiffness
Effect of Vitamin D3 Supplementation on Arterial and Bone Remodeling in Chronic Kidney Disease Patients
To evaluate in patients with chronic kidney disease the impact of two dosages of per os vitamin D3 supplementation (cholecalciferol) on large arterial stiffness (evaluated non invasively by pulse wave velocity and high-resolution…
- Conditions
- Renal Insufficiency, Chronic, Vascular Stiffness, Bone Diseases, Metabolic
- Trial name
- NCT02999204
- Testing
- Vitamin D3
- Where
- Canada
- Volunteers
- 57 people
- Sponsor
- Jewish General Hospital
Systemic Lupus Erythematosus (SLE)
Efficacy of Vitamin C Supplementation on Serum TNF-α Levels and Disease Activity in SLE Patients
The study aimed to evaluate the efficacy of vitamin C supplementation compared to placebo towards TNF-α levels and disease activity with the MEX-SLEDAI score in Systemic Lupus Erythematosus (SLE) patients.
- Trial name
- NCT07071233
- Testing
- Vitamin C
- Where
- Indonesia
- Volunteers
- 38 people
- Sponsor
- Universitas Sriwijaya
Hematopoietic Stem Cell Transplant
A Randomized Trial of Vitamin D Supplementation With or Without Vitamin A in Stem Cell Transplantation
The investigators hypothesize that supplementation with vitamins A and D will reduce the incidence of acute gastrointestinal graft versus host disease (GI GVHD) compared with supplementation with vitamin D alone.
- Trial name
- NCT03202849
- Testing
- Vitamin D and A
- Where
- United States
- Volunteers
- 83 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Maternal Vitamin D Status
Vitamin D Supplementation and Pregnancy Outcomes
Groups (group 1 receives 1000 IU vitamin D and group 2 receives 2000 IU vitamin D) through a random allocation. It is necessary to mention that all cases in each group could be able to receive the current supplementation during…
- Trial name
- NCT03308487
- Testing
- vitamin D3 (1000 IU), Vitamin D3 (2000 IU)
- Where
- Iran
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Tirang R. Neyestani, Ph.D.
Mortality, Morbidity
Vitamin A With BCG Vaccine
Two studies from Asia have suggested a beneficial effect of vitamin A supplementation given at birth. Hypotheses: Vitamin A supplementation administered at birth together with BCG vaccination is associated with a 30% reduction in…
- Trial name
- NCT00168597
- Testing
- Vitamin A
- Where
- Guinea-Bissau
- Volunteers
- 4,800 people
- Sponsor
- Bandim Health Project
COVID-19 Respiratory Infection
Role of Vit-D Supplementation on BioNTech, Pfizer Vaccine Side Effect and Immunoglobulin G Response
The goal of this clinical trial study is to investigate the role of anthropometric indices and Vit-D supplementation on BioNTech, Pfizer vaccine side effect and immunoglobulin G response against SARS-CoV-2 in individuals infected…
- Trial name
- NCT05851313
- Testing
- Vitamin-D
- Where
- Iraq
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Sulaimani Polytechnic University
Vitamin D Deficiency, Osteoporosis
Does Vitamin D Alter Bone's Response to Vibration?
Fractures in children are common and the incidence is increasing. They are more common in children who have small, narrow and weak bones.
- Trial name
- NCT02743559
- Testing
- Mechanical Stimulation using whole body vibration
- Where
- United Kingdom
- Sponsor
- Sheffield Children's NHS Foundation Trust
Vitamin D Deficiency
Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children
The purpose of this study is to determine if the vitamin D binding protein genotype influences circulating vitamin D levels and if it may have functional consequences on vitamin D activity.
- Trial name
- VitaD (NCT01050387)
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 193 people, healthy volunteers welcome
- Sponsor
- Yale University
Breast Cancer Female
Omega-3 and Vitamin D Supplementation in Breast Cancer Women
Breast cancer (BC) is the most common malignant disease, which is fifth leading cause of cancer mortality worldwide. Poor nutritional status is one of the common physical symptoms found among cancer patients, in which it is…
- Trial name
- NCT05331807
- Testing
- Omega-3 FA, Vitamin D, Combined Omega-3 and Vitamin D Supplementation
- Where
- Palestinian Territories
- Volunteers
- 88 people
- Sponsor
- Universiti Sains Malaysia
Healthy Participants
Influenza Virus Vaccine Plus Vitamin A and D Supplements for Prevention of Respiratory Virus Infections in Children
Children are particularly vulnerable to respiratory virus infections, especially influenza. Vitamin A \& D deficiencies are associated with vulnerability to infectious diseases of the respiratory tract.
- Trial name
- NCT02649192
- Testing
- Influenza virus vaccine, Vitamins A and D
- Where
- United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- St. Jude Children's Research Hospital
Nasopharyngeal Cancinoma (NPC)
Impact of Vitamin D on Therapeutic Respons in NPC Chemoradiated Patients
Nasopharyngeal cancer is the sixth most common cancer and the sixth leading cause of death in Indonesia. NPC is a radiosensitive cancer so radiotherapy is the basic therapy for NPC.
- Trial name
- NCT07042711
- Testing
- Vitamin D 5,000IU Oral Tablet
- Where
- Indonesia
- Volunteers
- 300 people
- Sponsor
- Universitas Indonesia
Calciphylaxis, Calcific Uremic Arteriolopathy
Evaluation of Vitamin K Supplementation for Calcific Uremic Arteriolopathy
Calcific uremic arteriolopathy a.k.a. calciphylaxis is a vascular calcification disorder seen in dialysis patients. Calcific uremic arteriolopathy has 60-80% one-year mortality and significant morbidity associated with…
- Trial name
- VitK-CUA (NCT02278692)
- Testing
- Vitamin K
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Massachusetts General Hospital
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
Healthy Subjects, Trained
Vitamin D Supplementation and Muscle Characteristics in Trained Subjects
This study evaluates the effect of vitamin D supplementation on outcomes muscle performance and characteristics in 70 trained healthy individuals (18-40 years of age).
- Trial name
- NCT02599675
- Testing
- Vitamin D3
- Where
- Norway
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Inland Norway University of Applied Sciences
Glomerular Disease
Vitamin D Supplementation in Glomerular Disease
This multi-site, pilot study will assess vitamin D supplementation in children and young adults with Glomerular Disease. .
- Trial name
- NCT01835639
- Testing
- Cholecalciferol, 2000 or 4000 IUs by mouth daily for 12 weeks
- Where
- 5 sites in United States
- Volunteers
- 32 people
- Sponsor
- Children's Hospital of Philadelphia
Coverage of Vitamin A Supplementation, Coverage of Immunization
OPTIMIZING ROUTINE DELIVERY OF ESSENTIAL CHILD HEALTH AND NUTRITION PACKAGE THROUGH PRIMARY HEALTH CARE CONTACTS
The primary objective of the study is to assess whether optimization of an essential package of health and nutrition services for children under five years of age using vitamin A supplementation touch points (i.e., the…
- Conditions
- Coverage of Vitamin A Supplementation, Coverage of Immunization, Feasibility and Fidelity of Implementation
- Trial name
- NCT06949930
- Testing
- Optimized package of child essential health and nutrition services, Standard package of essential child and nutrition services
- Where
- 2 sites in Kenya, Senegal
- Volunteers
- 1,928 people, healthy volunteers welcome
- Sponsor
- Nutrition International
Immunosenescence, Shingles
Vitamin D Supplementation And Varicella Zoster Virus Vaccine Responsiveness In Older Long-Term Care Residents
This is an ancillary study to a randomized controlled trial of high dose vitamin D in older long-term care residents (NCT01102374).
- Trial name
- NCT01262300
- Testing
- Varicella Zoster Virus Vaccine (Zostavax)
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- University of Colorado, Denver