Clinical trials: Ascorbic Acid
Impacted Mandibular Third Molar
Does Vitamin C Improve Postoperative Healing
This randomized, split-mouth clinical trial investigates the effect of oral vitamin C supplementation on postoperative recovery following the surgical extraction of impacted mandibular third molars.
- Trial name
- NCT07012564
- Testing
- Vitamin C
- Where
- Turkey (Türkiye)
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Vitamin C
High - Dose Vitamin C Infusion Regimen Based on Pharmacokinetic Characteristics for Patients With Advanced Malignant Solid Tumors
Vitamin C is an essential water - soluble vitamin for the human body. It plays an important role in various physiological processes as an antioxidant and cofactor for multiple enzymes.
- Trial name
- NCT07121036
- Testing
- high - dose vitamin C
- Where
- China
- Volunteers
- 18 people
- Sponsor
- Zhongnan Hospital
Myelodysplastic Syndromes
Ascorbate in Myelodysplastic Syndrome
This is an open-label, phase II clinical trial with safety run-in evaluating the safety, tolerability, and efficacy of IV HDA in combination with azacitidine for participants with MDS.
- Trial name
- AIMS (NCT07283900)
- Testing
- High-dose ascorbate, Azacitidine
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Prajwal Dhakal
Essential Thrombocythemia, Polycythemia Vera
Arsenic Trioxide With or Without Ascorbic Acid in Treating Patients With Myelofibrosis
This phase I trial studies the side effects and best dose of arsenic trioxide with or without ascorbic acid in treating patients with myelofibrosis.
- Conditions
- Essential Thrombocythemia, Polycythemia Vera, Primary Myelofibrosis
- Trial name
- NCT01014546
- Testing
- Arsenic Trioxide, Ascorbic Acid, Laboratory Biomarker Analysis
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Roswell Park Cancer Institute
Spinal Cord Injury
Iron & Vitamin C Study
Iron overload is a life-threatening condition that can lead to liver disease, cardiac disease, diabetes and arthritis. Simultaneous supplementation with both iron and AA may place individuals with SCI at risk for iron overload as…
- Trial name
- NCT00881803
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Maximum Force, Strength Endurance
The Effects of Caffeine and Vitamin C on Maximum Strength and Strength Endurance in Adolescents With Mild Mental Fatigue
Objective To investigate the independent and combined effects of caffeine and vitamin C on maximal strength and strength endurance in female adolescents with mild mental fatigue.
- Conditions
- Maximum Force, Strength Endurance, Mental Fatigue
- Trial name
- NCT07726745
- Testing
- 1RM squats and bench presses; repetitions at 65% of 1RM for squats and bench presses
- Volunteers
- 40 people
- Sponsor
- Yunliang Zhang
Idiopathic Epilepsy
Trial of Vitamin C as Add on Therapy for Children With Idiopathic Epilepsy
There are no solid treatment guidelines for idiopathic intractable epilepsy in children. The investigators propose that vitamin C being an antioxidant will improve seizure frequency and EEG in children with idiopathic intractable…
- Trial name
- NCT02369822
- Testing
- Vitamin C
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Ain Shams University
Sepsis, Septic Shock
Vitamin C & Thiamine to Treat Sepsis and Septic Shock
Investigators propose to investigate the use of IV vitamins B1 and C in a randomized, double-blinded, prospective trial to determine if these medications decrease mortality rates in patients with severe sepsis or septic shock.
- Trial name
- NCT03592277
- Testing
- Vitamin C, Vitamin B1
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Trinity Health Of New England
Pyruvate Kinase Deficiency, Glucose 6 Phosphate Dehydrogenase Deficiency
High-Dose Vitamin C in G6PDA and Pyruvate Kinase Deficiency: A Safety Study
This study is testing whether high-dose Vitamin C is safe and well-tolerated in patients with two inherited red blood cell disorders - Pyruvate Kinase Deficiency (PKD) and Class A Glucose-6-Phosphate Dehydrogenase Deficiency…
- Trial name
- G6PDA PKD (NCT07612345)
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Utah
Septic Shock, Sepsis
Vitamin C to Reduce Vasopressor Dose in Septic Shock
Randomized, controlled, double blind clinical trial. Adult patients admitted to the ICU of the Hospital Español de México with a diagnosis of septic shock will be included.
- Trial name
- ViCiS (NCT03835286)
- Testing
- Vitamin C
- Where
- Mexico
- Sponsor
- Hospital Español de Mexico
Shoulder Stiffness
Can Vitamin C Reduce the Risk of Postoperative Shoulder Stiffness?
Postoperative shoulder stiffness is a common complication after shoulder surgery (incidence 10-15%). The symptoms consist primarily in a painful impairment of the mobility of the glenohumeral joint, usually after initially good…
- Trial name
- VitC (NCT04472000)
- Testing
- Vitamin C
- Where
- 2 sites in Switzerland
- Volunteers
- 46 people
- Sponsor
- Lindenhofgruppe AG
Cardio-protection
In Vitro and in Vivo Evaluation of the Anti-Inflammatory and Antithrombotic Synergy of Vitamin C and Bioflavonoids in Healthy Subjects
This study aimed to evaluate the antioxidant potential, and especially the anti-inflammatory and antiplatelet biological efficacy and synergy of a high dose (1 g) vitamin C - low dose (50 mg) bioflavonoid (VCF) based supplement…
- Trial name
- VCF (NCT07061431)
- Testing
- High Dose of Vitamin C with ir without 50 mg of flavonoids
- Where
- Greece
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma
Docetaxel With or Without Ascorbic Acid in Treating Patients With Metastatic Prostate Cancer
This randomized phase II trial studies how well docetaxel works when given with or without ascorbic acid in treating patients with prostate cancer that has spread to other places in the body.
- Conditions
- Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma, Stage IV Prostate Cancer
- Trial name
- NCT02516670
- Testing
- Ascorbic Acid, Docetaxel, Laboratory Biomarker Analysis
- Where
- 6 sites in United States
- Volunteers
- 50 people
- Sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Atrial Fibrillation
Vitamin C and Atrial Fibrillation After Cardiac Surgery
The purpose of this study is to determine if vitamin C decreases the chance of developing atrial fibrillation, a type of arrhythmia or irregular heartbeat, following cardiac surgery.
- Trial name
- NCT01580683
- Testing
- Ascorbic Acid
- Where
- United States
- Sponsor
- Regional Hospital of Scranton
SARS-CoV-2 Infection (COVID-19)
Australasian COVID-19 Trial (ASCOT) ADAptive Platform Trial
An International Multi-Centre Randomised Adaptive Platform Clinical Trial to Assess the Clinical, Virological and Immunological Outcomes in Patients with SARS-CoV-2 Infection (COVID-19).
- Trial name
- ASCOT (NCT04483960)
- Testing
- (Arm Closed) Nafamostat Mesilate, (Arm Closed) Enoxaparin, (Arm Closed) Dalteparin
- Where
- 25 sites in Australia
- Volunteers
- 2,200 people
- Sponsor
- University of Melbourne
Chronic Hepatitis, Chronic Hepatitis C
The Effect of High Dose Vitamin C on the Liver Function in Chronic Hepatitis Patients
The investigators will evaluate the efficacy of high dose vitamin C in chronic hepatitis patients whose serum liver enzymes are elevated more than upper limit.
- Conditions
- Chronic Hepatitis, Chronic Hepatitis C, Chronic Alcoholic Hepatitis
- Trial name
- NCT01413360
- Testing
- High dose vitamin C
- Where
- South Korea
- Volunteers
- 10 people
- Sponsor
- Seoul National University Hospital
Asthma, Wheezing
Vitamin C Supplementation to Pregnant Smokers: Follow-up of 2 Randomized Trials Plus Changes in DNA Methylation
In a randomized clinical trial (RCT) published in JAMA, the investigators have provided evidence that vitamin C supplementation (500 mg daily during pregnancy) ameliorates the effects of maternal smoking during pregnancy on…
- Conditions
- Asthma, Wheezing, In Utero Nicotine, Pulmonary Function
- Trial name
- VCSIP-ECHO (NCT03206710)
- Testing
- No current intervention
- Where
- 2 sites in United States
- Volunteers
- 395 people
- Sponsor
- Oregon Health and Science University
Primary Graft Dysfunction, Lung Transplant; Complications
Perioperative Vitamin C Lung Transplant
This study is being done to determine if parenterally administered ascorbic acid (Vitamin C) given at the time of lung transplant is safe. Vitamin C may be an effective intervention towards primary graft dysfunction (PGD).
- Trial name
- NCT04505878
- Testing
- Vitamin C
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Cancer
Trial of Chemotherapy Plus Intravenous Vitamin C in Patients With Advanced Cancer for Whom Chemotherapy Alone is Only Marginally Effective
Concurrent administration of intravenous vitamin C (ascorbic acid, 1.5 g/kg, infused two or three times weekly) together with certain cytotoxic chemotherapy regimens could prove to be an effective treatment for some patients with…
- Trial name
- NCT01050621
- Testing
- vitamin C (ascorbic acid)
- Where
- Canada
- Volunteers
- 14 people
- Sponsor
- Jewish General Hospital
Short Chain Fatty Acids Concentration in Stools, Gut Microbiota Diversity and Composition
The Effect of Vitamin C Supplementation on Gut Microbiota Composition and Function in Healthy Adults
The aim of this dietary intervention study is to explore how vitamin C affects the bacteria that live in our gut. Vitamins are essential nutrients found in fruits and vegetables.
- Trial name
- VitaGut (NCT07388121)
- Testing
- Moderate Vitamin C dose (200 mg), High-dose vitamin C supplementation (1000 mg), Habitual diet (run in period)
- Where
- United Kingdom
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Glasgow