Clinical trials: Vitamin D, completed
Healthy, Suboptimal Vitamin C Levels
The Impact of Qualia Vitamin C+ on Blood Vitamin C Levels
This is a double-blind, placebo-controlled, parallel-group, study evaluating the effect of a Qualia Vitamin C+ formulation on Whole Blood Vitamin C levels in the blood of healthy adults aged 25 years or older.
- Trial name
- NCT07285109
- Testing
- Qualia Vitamin C+
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Qualia Life Sciences
Male Osteoporosis
Novel Combination Therapy for Osteoporosis in Men
Osteoporotic fractures are a key health problem in older men. Although there are drugs approved to treat osteoporosis in men [bisphosphonates, denosumab, and teriparatide (TPTD) or PTH(1-34)], there is a lack of knowledge on how…
- Trial name
- Osteo-Men (NCT03994172)
- Testing
- Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, Calcium citrate tablet
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- VA Office of Research and Development
Tuberculosis
Pharmacokinetic and Pharmacodynamic Study of High-Dose Rifapentine and Moxifloxacin for Treatment of Tuberculosis
The Tuberculosis Trials Consortium (TBTC) Study 31 is a phase 3 trial evaluating rifapentine-containing regimens for treatment-shortening of drug-susceptible pulmonary tuberculosis.
- Trial name
- S31PK/PD (NCT02563327)
- Testing
- Rifapentine, Moxifloxacin, Rifampin
- Where
- 3 sites in United States, Uganda and 1 more
- Volunteers
- 2,516 people
- Sponsor
- Centers for Disease Control and Prevention
Pancreatic Neoplasms, Cancer of Pancreas
A Phase 2 Trial of High-dose Ascorbate for Pancreatic Cancer (PACMAN 2.1)
This clinical trial adds high-dose ascorbate (vitamin C) to the standard of care regimen for metastatic pancreatic adenocarcinoma (a type of pancreatic cancer).
- Conditions
- Pancreatic Neoplasms, Cancer of Pancreas, Cancer of the Pancreas, Neoplasms, Pancreatic
- Trial name
- NCT02905578
- Testing
- Gemcitabine, nab-paclitaxel, Pharmacological ascorbate
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Iowa
SARS-CoV-2 Infection
Low vs. Moderate to High Dose Vitamin D for Prevention of COVID-19
The purpose of this study is to compare the risks of COVID-19 in individuals from Chicagoland communities randomized to low (400 IU/day) vs. moderate (4,000 IU/day) or high (10,000 IU/day) dose vitamin D.
- Trial name
- NCT04868903
- Testing
- Vitamin D3
- Where
- 2 sites in United States
- Volunteers
- 1,475 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Burn
Vitamin E Supplementation in Burned Patients
A dietary antioxidant, alpha-tocopherol, will be used to potentially attenuate Vitamin E short- and long-term losses in plasma and adipose, reverse the oxidative stress of burn injury and, in the process, decrease the secondary…
- Trial name
- NCT01749371
- Testing
- Vitamin E
- Where
- 3 sites in United States
- Volunteers
- 27 people
- Sponsor
- The University of Texas Medical Branch, Galveston
Human Immunodeficiency Virus (HIV)
Vitamin D3 Supplementation in Patients With HIV: Effects on Interleukin-6 Levels and CD4 Counts
This study aims to evaluate the effect of Vitamin D3 supplementation on inflammatory markers and immune status in patients with HIV who are receiving antiretroviral therapy.
- Trial name
- NCT07553052
- Testing
- Vitamin D3, Antiretroviral (ARV) medications
- Where
- Indonesia
- Volunteers
- 20 people
- Sponsor
- Universitas Sebelas Maret
High Risk Neuroblastoma
Monoclonal Antibody Ch14.18, Sargramostim, Aldesleukin, and Isotretinoin After Autologous Stem Cell Transplant in Treating Patients With Neuroblastoma
This phase III trial is studying the side effects of giving monoclonal antibody Ch14.18 together with sargramostim, aldesleukin, and isotretinoin after autologous stem cell transplant in treating patients with neuroblastoma.
- Trial name
- NCT01041638
- Testing
- Aldesleukin, Diagnostic Laboratory Biomarker Analysis, Dinutuximab
- Where
- 32 sites in United States
- Volunteers
- 105 people
- Sponsor
- National Cancer Institute (NCI)
Diabetic Ketoacidosis
Thiamine as Adjunctive Therapy for Diabetic Ketoacidosis
This is a randomized, double-blind, placebo-controlled trial to determine if administration of intravenous thiamine will lead to quicker resolution of acidosis in patients admitted to the hospital with diabetic ketoacidosis.
- Trial name
- NCT03717896
- Testing
- 200mg IV thiamine in 50mL 0.9% saline
- Where
- United States
- Volunteers
- 102 people
- Sponsor
- Beth Israel Deaconess Medical Center
Soft Tissue Sarcoma
High Dose Ascorbate With Preoperative Radiation in Patients With Locally Advanced Soft Tissue Sarcomas
This is a single-arm open-label phase Ib/II clinical study assessing the efficacy of concurrent high dose ascorbate in combination with radiotherapy in patients with locally advanced, resectable, high grade sarcomas.
- Trial name
- NCT03508726
- Testing
- Ascorbate
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Mohammed Milhem
Anaplastic Medulloblastoma, Medulloblastoma
Chemotherapy and Radiation Therapy in Treating Young Patients With Newly Diagnosed, Previously Untreated, High-Risk Medulloblastoma/PNET
This phase III trial studies different chemotherapy and radiation therapy regimens to compare how well they work in treating young patients with newly diagnosed, previously untreated, high-risk medulloblastoma.
- Trial name
- NCT00392327
- Testing
- Biospecimen Collection, Carboplatin, Cisplatin
- Where
- 185 sites in United States, Australia and 3 more
- Volunteers
- 379 people
- Sponsor
- Children's Oncology Group
Ganglioneuroblastoma, High Risk Neuroblastoma
Dinutuximab, Sargramostim, and Combination Chemotherapy in Treating Patients With Newly Diagnosed High-Risk Neuroblastoma
This phase II pilot trial studies the side effects and how well dinutuximab and sargramostim work when combined with chemotherapy in patients with high-risk neuroblastoma.
- Trial name
- NCT03786783
- Testing
- Autologous Hematopoietic Stem Cell Transplantation, Carboplatin, Cisplatin
- Where
- 10 sites in United States, Australia and 1 more
- Volunteers
- 42 people
- Sponsor
- National Cancer Institute (NCI)
Septic Shock
A Trial of Vitamin B12 in Septic Shock
This study will randomize 20 septic shock patients to receive either a single 5 gram dose of IV vitamin B12 (Cyanokit® Meridian Medical Technologies, Columbia, MD) versus placebo in addition to standard of care to test the…
- Trial name
- B12 (NCT03783091)
- Testing
- Hydroxocobalamin
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Medical College of Wisconsin
Nonalcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis
Vitamin E Dosing Study
This is a multicenter, randomized, double masked, placebo-controlled, parallel treatment groups dosing trial of Vitamin E in adult nonalcoholic fatty liver disease (NAFLD).
- Trial name
- VEDS (NCT04801849)
- Testing
- Vitamin E
- Where
- 9 sites in United States
- Volunteers
- 200 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Asthma
Randomized Trial: Maternal Vitamin D Supplementation to Prevent Childhood Asthma (VDAART)
Vitamin D supplementation given to pregnant women will prevent asthma in their offspring and children.
- Trial name
- VDAART (NCT00920621)
- Testing
- Vitamin D 3 cholecalciferol, Vitamin D3
- Where
- 3 sites in United States
- Volunteers
- 876 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Diabetes Type 2
Famine From Feast: Linking Vitamin C, Red Blood Cell Fragility, and Diabetes
An unexpected means to prevent microvascular disease in diabetes may be coupled to the function of vitamin C in red blood cells (RBCs) of diabetic participants.
- Trial name
- NCT02107976
- Testing
- Vitamin E, Vitamin C
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- National Institutes of Health Clinical Center (CC)
Frailty, Inflammation
Reducing Frailty for Older Cancer Survivors Using Supplements
The purpose of the study is to examine the feasibility and safety of twelve weeks oral supplementation of Epigallocatechin-3-gallate (EGCG) in older survivors of cancer
- Trial name
- ReFOCUS1 (NCT04553666)
- Testing
- Epigallocatechin-3-Gallate (EGCG) plus Ascorbic Acid (Vitamin C)
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- University of Rochester
Traumatic Brain Injury
Prospective Analysis of the Use of N-Acetylcysteine and Vitamins in the Treatment of TBI in Geriatric Patients
This study will evaluate the administration of N-Acetyl-cysteine in combination with multi-vitamins/minerals in geriatric population (>60 years of age) who have experienced a traumatic brain injury.
- Trial name
- NCT04291066
- Testing
- N-Acetyl cysteine
- Where
- 2 sites in United States
- Volunteers
- 92 people
- Sponsor
- HonorHealth Research Institute
Bone Density, Body Composition
VITamin D and OmegA-3 TriaL: Effects on Bone Structure and Architecture (VITAL)
The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is a randomized clinical trial in 25,871 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or fish oil (1 gram of omega-3 fatty…
- Conditions
- Bone Density, Body Composition, Bone Health
- Trial name
- VITAL (NCT01747447)
- Testing
- omega-3 fatty acids (fish oil), Vitamin D3
- Where
- United States
- Volunteers
- 771 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Depressive Disorder, Major
A Study of Psilocybin for Major Depressive Disorder (MDD)
One hundred participants, ages 21 to 65, who meet Diagnostic and Statistical Manual of Mental Disorders (DSM-5) criteria for major depressive disorder (MDD) will be stratified by study site and randomized with a 1-to-1 allocation…
- Trial name
- NCT03866174
- Testing
- Psilocybin, Niacin, Set and Setting (SaS) Protocol
- Where
- 11 sites in United States
- Volunteers
- 347 people
- Sponsor
- Usona Institute