Clinical trials: Vitamin C
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
Vitamin C Deficiency
The Effect of Vitamin C on Quality of Life of Terminal Cancer Patients
This study determines whether high dose vitamin C is effective for quality of life in terminal cancer patients.
- Trial name
- NCT03224572
- Testing
- high-dose vitamin C 30gm, normal saline
- Where
- Taiwan
- Volunteers
- 40 people
- Sponsor
- National Taiwan University Hospital
Delayed Onset Muscle Soreness, DOMS
COMBOPROFEN for Treatment of Muscular Pain Associated With Delayed Onset Muscle Soreness (DOMS)
The study is designed as a proof of concept, single-center, randomized, double-blind, placebo controlled study to assess the safety and efficacy of Comboprofen (Ibuprofen + Magnesium + Vitamin C) compared to placebo, Ibuprofen…
- Trial name
- NCT03223519
- Testing
- Comboprofen, Ibuprofen, Magnesium
- Where
- Spain
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Spherium Biomed
Plasma Cell Disorder
High Dose Ascorbic Acid (HDAA) in Patients With Plasma Cell Disorders
The purpose of this research is to evaluate whether HDAA in combination with a single dose of 100 mg/m2 IV melphalan followed by autologous stem cell transplantation (ASCT) is safe and effective for subjects with relapsed…
- Trial name
- NCT06313502
- Testing
- 75gm HDAA, 100gm HDAA, 125gm HDAA
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- University of Arkansas
Iron Deficiency Anemia, Iron Deficiency
Healthy Infant Development Project
The Healthy Infant Development Project will determine if providing micronutrient supplements to mothers during pregnancy and infants in the first 9 months fosters healthy behavior and development in babies.
- Trial name
- NCT00613717
- Testing
- folic acid + iron prenatally, vits A & D + iron postnatally, folic acid + iron prenatally, vitamins A & D postnatally, folic acid prenatally, vitamins A & D + iron postnatally
- Where
- China
- Volunteers
- 2,371 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Obesity, Rhinitis
Interventional Testing of Gene-environment Interactions Via the Verifomics Mobile Application
The purpose of this study is to study interactions between genes, lifestyle environmental factors like foods, nutritional supplements and non-invasive medical devices and health factors that can be measured without specialized…
- Conditions
- Obesity, Rhinitis, Rhinitis, Allergic, Respiratory Sounds
- Trial name
- NCT02758990
- Testing
- Vitamin A, Vitamin B6, Vitamin C
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Verifomics LLC
Nutritional Rickets, Bone Turnover Rate Disorder
Effectiveness of Vitamin C Supplementation in Treatment of Rickets
Effectiveness of therapeutic dose of vitamin C in infants and children with nutritional rickets as an adjuvant therapy with vitamin D and calcium The study is two armed Randomized Control Trial, to validate the role of Vit C…
- Trial name
- NCT05310760
- Testing
- Vit C
- Where
- Egypt
- Volunteers
- 88 people
- Sponsor
- Cairo University
PreDiabetes, Nutrition
Zinc, Chromium, Vitamin C, and Copper Combination Supplement for Prediabetes Progression
Currently, the incidence of diabetes mellitus is increasing worldwide. People with prediabetes have higher risk to develop diabetes mellitus type 2.
- Trial name
- CHANGE (NCT04511468)
- Testing
- Zinc, Chromium, Vitamin C, and Copper Supplementation, Standard healthy lifestyle intervention
- Where
- Indonesia
- Volunteers
- 670 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Pulmonary Disease, Chronic Obstructive
Nitric Oxide Bioavailability in Chronic Obstructive Pulmonary Disease (COPD)
More patients with chronic obstructive pulmonary disease (COPD) die from cardiovascular disease than direct pulmonary complications.
- Trial name
- NCT01398943
- Testing
- Tetrahydrobiopterin (BH4), Antioxidant Cocktail
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Augusta University
Skin Health, Skin Aging of Face and Hands
The Effect of Nutritional Supplementation on Actinic Purpura: A Pilot Study
Purpura is a macule or papule of blood in the skin. It is mostly seen in mature skin that is often prone to significant bruising.
- Conditions
- Skin Health, Skin Aging of Face and Hands, Healthy, Ecchymosis
- Trial name
- NCT06840574
- Testing
- Cyruta Plus: A Whole-Food Based Vitamin C supplement containing organic buckwheat (aerial parts) juice powder, organic buckwheat flour, bovine adrenal Cytosol™ extract, oat flour, honey, ascorbic acid, Low Dose Vitamin C, High Dose Vitamin C
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Standard Process Inc.
Obesity
Omega-3 Fatty Acid Supplementation and Fractional Iron Absorption in Obese South African Women
In South Africa the prevalence of obesity in women of reproductive age is high; these women also have a high risk for iron deficiency (ID).
- Trial name
- NCT05220735
- Testing
- Omega-3 long chain polyunsaturated fatty acids (n-3 LCPUFA)
- Where
- South Africa
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Higher Uric Acid Concentrations (>5,5 mg/dl), Healthy
Influence of Hesperidin and Vitamin C on Uric Acid Concentration
Aim of the study is to investigate the impact of hesperidin and/or vitamin C on elevated uric acid concentrations.
- Trial name
- HesperiDrinC (NCT04316390)
- Testing
- Control, Hesperidin, Vitamin C
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Kiel
Health Related Quality of Life
Health Related Quality of Life Assessment In Egyptian Recipients After Living Donor Liver Transplantation
Health Related Quality of Life Assessment In Egyptian Recipients After Living Donor Liver Transplantation
- Trial name
- NCT01784497
- Where
- Egypt
- Volunteers
- 35 people
- Sponsor
- Ain Shams University
Iron Deficiency
Effect of Vitamin C on Iron Absorption
Iron deficiency is a common health problem worldwide. Ferrous fumarate (a form of iron) is often added to foods in an effort to prevent iron deficiency.
- Trial name
- NCT00570895
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Advanced Intrahepatic Cholangiocarcinoma
Calcitriol in Advanced Intrahepatic Cholangiocarcinoma
Cholangiocarcinoma (CCA), cancer of the bile duct, is the first cause of cancer death of the people in the northeast of Thailand. The incidence of CCA in this region is highest not only in the country but in the world.
- Trial name
- NCT01039181
- Testing
- Calcitriol
- Where
- Thailand
- Volunteers
- 28 people
- Sponsor
- National Science and Technology Development Agency, Thailand
Contrast-induced Nephropathy, Statin
Effects Of Combination Therapy Of Statin And Ascorbic Acid For Prevention Of Contrast-Induced Nephropathy
To evaluate the benefit for statin use in prevention of of CI-AKI after computed tomography urogram (CTU).
- Conditions
- Contrast-induced Nephropathy, Statin, Ascorbic Acid, AKI
- Trial name
- NCT03391830
- Testing
- Atorvastatin-Ascorbic acid
- Where
- Egypt
- Volunteers
- 250 people
- Sponsor
- Mansoura University
COVID-19
Eucalyptus Oil as Adjuvant Therapy for Coronavirus Disease 19 (COVID-19)
Background : Based on several clinical trials, eucalyptus oil can suppress edema formation and reduce inflammation, where the effect of 1,8-cineole is due to the inhibition of cytokine secretion by T lymphocytes.
- Trial name
- NCT05398965
- Testing
- Eucalyptus Oil, Standard COVID medication
- Where
- Indonesia
- Volunteers
- 54 people
- Sponsor
- Hasanuddin University
Osteoporosis, Postmenopausal
Hesperidin and Bone Health in Postmenopausal Women
The primary objective of this clinical trial is to test hesperidin with and without CALCILOCK® for bone resorption suppressing effect in postmenopausal women.
- Trial name
- Hesperidin (NCT01881204)
- Testing
- Hesperidin and Calcilock, Hesperidin, Control
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Purdue University
Tracheostomy
An Investigator-initiated Study to Evaluate Safety and Efficacy of ARINA-1 in People With a Tracheostomy
The goal of this investigator-initiated, open label study is to evaluate the safety and efficacy of ARINA-1 in people with a tracheostomy. Participants will attend study visits at Screening, Baseline, Day 14, Day 28, and Day 56.
- Trial name
- NCT05658029
- Testing
- ARINA-1
- Where
- United States
- Sponsor
- Matthew Bruehl
Diabetes Mellitus, Type 2
Effect of Vitamin C, D and Zinc Supplementation on the Immune and Inflammatory Process in Type 2 Diabetic Subjects
Type 2 Diabetes Mellitus According to the World Health Organization (WHO), there are more than 346 million individuals with diabetes, of which 90% are type 2.
- Trial name
- NCT03734445
- Testing
- Vitamin Supplement
- Volunteers
- 120 people
- Sponsor
- Universidad Autonoma del Estado de Mexico
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.