Clinical trials: Ascorbic Acid
Signs and Symptoms, Respiratory
Compare Effects of EpiCor and Vitamin C to Vitamin C Alone on the Common Cold or Influenza in Healthy Children
The purpose of the clinical study is to evaluate efficacy of regular daily, 12 weeks, consumption of EpiCor syrup containing EpiCor and vitamin C in non-vaccinated children 1-6 years old on preventing episodes of the common cold…
- Trial name
- NCT04093206
- Testing
- EpiCor and Vitamin C, Vitamin C
- Where
- 21 sites in Slovenia
- Volunteers
- 221 people, healthy volunteers welcome
- Sponsor
- Cargill
Depression
Effectiveness of Ascorbic Acid and Tocopherol for Depression in Elderly.
The trial aims to treat depression. The incidence of major depression in the elderly accounts for between 3.6 and 4.8% and increases to 8 to 37.4% when depressive disorders in general is studied.
- Trial name
- NCT02793648
- Testing
- Ascorbic Acid, Alpha tocopherol
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- Yolanda de Diego Otero
Heart Failure
Does Ascorbic Acid Reduce Sympathoexcitation in CHF?
In CHF central sympathetic activity is increased. ROS formation seems to play a role in this process. This study analyzes the effect of vitamin C as an antioxidant on central sympathetic activity in CHF
- Trial name
- NCT00550121
- Testing
- vitamin C
- Where
- Netherlands
- Sponsor
- Radboud University Medical Center
Preterm Premature Rupture of Membranes
The Relation Between Serum Ascorbic Acid Concentration and Preterm Premature Rupture of Membranes
To study the association between maternal serum vitamin C concentration in women with preterm premature rupture of membranes (PPROM) and women without PPROM.
- Trial name
- NCT02635451
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ain Shams Maternity Hospital
Preeclampsia, Eclampsia
RCT of Antioxidant Therapy to Prevent Preeclampsia in Brazil
The perinatal morbidity and mortality rates for Brazil are five to ten-fold higher than those reported for upper income countries.
- Conditions
- Preeclampsia, Eclampsia, HELLP Syndrome, Pregnancy
- Trial name
- NCT00097110
- Testing
- Vitamin C and E
- Where
- Brazil
- Volunteers
- 734 people, healthy volunteers welcome
- Sponsor
- NICHD Global Network for Women's and Children's Health
Healthy, Suboptimal Vitamin C Levels
The Impact of Qualia Vitamin C+ on Individuals With Suboptimal and Adequate 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 that have suboptimal…
- Conditions
- Healthy, Suboptimal Vitamin C Levels, Adequate Vitamin C Levels
- Trial name
- NCT07652346
- Testing
- Qualia Vitamin C+
- Where
- United States
- Volunteers
- 152 people, healthy volunteers welcome
- Sponsor
- Qualia Life Sciences
Gallbladder Inflammation
Vitamin C Efficacy in Reducing Post Operative Pain
Opioids are the corner stone in the treatment of post operative pain. Because of the several side effects of opiods, non-steroidal anti-inflammatory drugs are usually added postoperatively to decrease the total requirements of…
- Trial name
- NCT01322061
- Testing
- Ascorbic Acid
- Where
- Lebanon
- Volunteers
- 80 people
- Sponsor
- American University of Beirut Medical Center
Asthma, Pulmonary Function
VCSIP Follow-up Study
The overall aims of this protocol are to determine whether prenatal supplementation with vitamin C to pregnant smokers can improve pulmonary function and decrease wheeze at 5 years of age in their offspring.
- Conditions
- Asthma, Pulmonary Function, Wheezing, In Utero Nicotine
- Trial name
- VCSIPRenewal (NCT03203603)
- Testing
- No active intervention
- Where
- 2 sites in United States
- Volunteers
- 242 people
- Sponsor
- Oregon Health and Science University
Frail Elderly Syndrome
No Association Between Vitamin C and E Supplementation, Frailty, and Grip Strength Over Five Years: The CoLaus Study
To assess the cross-sectional and 5-year prospective association between self-reported vitamin C+E dietary supplementation and markers of grip strength and frailty in community-dwelling Swiss adults.
- Trial name
- CoLaus (NCT03258970)
- Testing
- Observational cohort study
- Where
- Switzerland
- Volunteers
- 2,711 people
- Sponsor
- Centre Hospitalier Universitaire Vaudois
Sepsis
Vitamin C, Thiamine, and Steroids in Sepsis
The VItamin C, Thiamine And Steroids in Sepsis (VICTAS) Study is a double-blind, placebo-controlled, adaptive randomized clinical trial designed to investigate the efficacy of the combined use of vitamin C, thiamine and…
- Trial name
- VICTAS (NCT03509350)
- Testing
- Vitamin C, Thiamine, Hydrocortisone
- Where
- 43 sites in United States
- Volunteers
- 501 people
- Sponsor
- Emory University
Dimensional Changes, Bone Density
Osteoimplant and Bone Healing
In view of the above and the possible improvements in terms of postoperative morbidity and tissue repair in oral surgery, this study is justified, the general objective of which would be: 'To evaluate the efficacy of…
- Trial name
- Osteocic (NCT06664060)
- Testing
- osteoimplant
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universidad de Granada
Pancreatic Neoplasms, Pancreatic Cancer
Clinical Trial of High-dose Vitamin C for Advanced Pancreatic Cancer
This is a phase II study. It is designed to provide information about if high-dose ascorbate (vitamin C) increases survival for pancreatic cancer patients.
- Trial name
- PACMAN-II (NCT01515046)
- Testing
- Gemcitabine with escalating ascorbic acid
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Joseph J. Cullen
Cognitive Function and Mood, Non-anaemic Iron Deficiency
Efficacy Evaluation of 16 Weeks' Dietary Supplementation With Iron Bis-glycinate Plus Vitamin C on Cognitive Function, Subjective Mood, Fatigue, Health and Well-being
Iron deficiency is the most prevalent nutritional deficiency worldwide with one in four estimated to be affected by iron deficiency anaemia.
- Trial name
- NCT04469010
- Testing
- Iron Bis-Glycinate Chelate and Vitamin C, Iron Bis-Glycinate Chelate
- Where
- United Kingdom
- Volunteers
- 151 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Bowel Preparation
Effectiveness of Bisacodyl Suppository Agent for Dose Reduction of Low Dose PEG
Proper bowel cleansing before colonoscopy is an important factor to increase the detection rate of lesions. Low volume polyethylene glycol (PEG) plus ascorbic (PEG-Asc) has reduced the dosage of previous bowel preparation agent…
- Trial name
- NCT03849196
- Testing
- 2L PEG-Asc, Bisacodyl 10Mg Suppository, 1L PEG-Asc
- Where
- South Korea
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Samsung Medical Center
Graft-versus-host-disease (GVHD), Gastrointestinal
Vitamin C With Steroids for Gastrointestinal GVHD
After a transplant from another donor, one risk is graft versus host disease (GVHD) that happens because of differences between the donated cells (graft) and the patient's body cells (host).
- Trial name
- NCT07197749
- Testing
- Vitamin C (Ascorbic Acid)
- Volunteers
- 35 people
- Sponsor
- Baylor College of Medicine
Anemia, Iron Deficiency Anemia
The Effect of Combined Iron Protocols on Perioperative Allogeneic Transfusion
The goal of this clinical trial is to learn if a combined iron supplementation regimen can reduce the need for blood transfusions in adults with iron-deficiency anemia undergoing major elective cardiac surgery.
- Conditions
- Anemia, Iron Deficiency Anemia, Perioperative, Transfusion
- Trial name
- CIPAT (NCT06012760)
- Testing
- Iron sucrose, Human Erythropoietin Injection, Vitamin C, Standard Medical Care
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
COPD (Chronic Obstructive Pulmonary Disease)
Vitamin C's Antioxidant Effects and COPD Prognosis
This multicenter, randomized, double-blind, placebo-controlled clinical trial aims to evaluate the efficacy of Vitamin C supplementation in improving the prognosis of patients with Chronic Obstructive Pulmonary Disease (COPD)…
- Trial name
- NCT06664957
- Testing
- Vitamin C (Ascorbic Acid)
- Volunteers
- 650 people
- Sponsor
- Ningbo No. 1 Hospital
Gingival Pigmentation
The Adjunctive Role of Vitamin C on Pigment Recurrence (Randomized Clinical and Histological Trial)
The goal of this clinical trial is to determine the role of vitamin C on recurrence of gingival pigment after patients who are healthy and esthetically concerned with it received surgical removal of this pigment.
- Trial name
- NCT06312605
- Testing
- Injectable applied vitamin C, Topical applied Vitamin C, Surgical depigmentation only
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Acute-on-Chronic Liver Failure (ACLF)
Vitamin C for Acute Kidney Injury in ACLF With Septic Shock: A Randomized Controlled Trial
This study is testing whether Vitamin C can help improve kidney function and survival in very sick patients with liver disease. Patients with acute-on-chronic liver failure (ACLF) often develop serious infections that can lead to…
- Trial name
- VITAKI-ACLF (NCT07184866)
- Testing
- Vitamin C, Standard of Care (SOC)
- Volunteers
- 110 people
- Sponsor
- Institute of Liver and Biliary Sciences, India
Covid-19
Preventing COVID-19 in Healthcare Workers With HCQ: A RCT
Healthcare workers (HCW) at risk of Covid-19 will have baseline serology for SARS-CoV-2 to see if they are already immune to Covid-19.
- Trial name
- NCT04347889
- Testing
- Hydroxychloroquine, Vitamin C
- Sponsor
- Stony Brook University