Clinical trials: Vitamin C
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
Acne Vulgaris
Acne Treatment With Active Oplon's Patches
The purpose of this study was to demonstrate the effect of short treatment with active OPLON patches on Acne.
- Trial name
- NCT01180543
- Testing
- Oplon Active Patch
- Where
- Israel
- Volunteers
- 40 people
- Sponsor
- Oplon-Pure Science Ltd.
Depression
An Investigation Into the Effects of Blueberry Anthocyanin on Cognitive Functioning and Mood in Adolescents.
The purpose of this study is to determine whether a 4-week dietary intervention with wild blueberry powder can have an effect on cognitive performance in participants aged between 13-17.
- Trial name
- NCT03119597
- Testing
- Wild Blueberry Powder-13g
- Where
- United Kingdom
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of Reading
Covid-19
The Study of Quadruple Therapy Zinc, Quercetin, Bromelain and Vitamin C on the Clinical Outcomes of Patients Infected With COVID-19
There are currently no antiviral drugs with proven efficacy nor are there vaccines for its prevention. Unfortunately, the scientific community has little knowledge of the molecular details of SARS-CoV-2 infection.
- Trial name
- NCT04468139
- Testing
- Quercetin, bromelain, Zinc
- Where
- Saudi Arabia
- Volunteers
- 60 people
- Sponsor
- Ministry of Health, Saudi Arabia
Chlordecone (Kepone) Toxicity
Effects of Probiotic Oral Intake on Plasma Chlordecone (Kepone) Concentrations in Individuals Environmentally Exposed to Pesticide in Martinique.
The CHLOR-DETOX study is a single-centre, double-blind, prospective, interventional, controlled, exploratory pilot study on subjects environmentally exposed to the organochlorine pesticide (kepone or chlordecone, CLD) in the…
- Trial name
- CHLOR-DETOX (NCT06026228)
- Testing
- Limosilactobacillus reuteri
- Where
- Martinique
- Volunteers
- 100 people
- Sponsor
- University Hospital Center of Martinique
Colonoscopy
Different Bowel Preparations for Colonoscopy In Children
THE AIM OF THIS STUDY IS TO COMPARE THE EFFICACY, TOLERABILITY, AND SAFETY OF DIFFERENT BOWEL PREPARATIONS FOR COLONOSCOPY IN CHILDREN. THE AIM OF THIS STUDY IS TO COMPARE THE OVERALL COLON CLEANSING
- Trial name
- NCT01711437
- Testing
- PEG-4000 with citrates and simethicone, polyethylene glycol 4000 solution with simethicon, polyethylene glycol 3350 hyper-osmotic solution with ascorbic acid
- Where
- Italy
- Volunteers
- 400 people
- Sponsor
- Azienda Policlinico Umberto I
Metabolic Syndrome
A 4-month Intervention of Antioxidant Supplementation in Overweight Children
In obese children, low antioxidant vitamin intake and reduced antioxidant capacity are common. Weight reduction reduces subclinical inflammation in obese subjects, and, similarly, antioxidant vitamins have been shown to reduce…
- Trial name
- NCT01316081
- Testing
- Vitamin C Vitamin E Selenvital all from Burgerstein Vitamine
- Where
- Switzerland
- Volunteers
- 45 people
- Sponsor
- Swiss Federal Institute of Technology
Oral Ulcer
Aloe Vera and Chlorhexidine Against Traumatic Oral Ulcers
The development of gingivitis in patients during orthodontic treatment is widely known, with the characteristic response of gingival inflammation and hyperplasia and traumatic rashes or ulcerations of the oral mucosa derived from…
- Trial name
- NCT03633292
- Testing
- Antiseptic clorhexidine gel (Lacer, Barcelona, Spain), Master formula of aloe vera gel 80%
- Where
- Spain
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University of Santiago de Compostela
Gingival Recession, Localized, Gingival Diseases
How Can Prefabricated Membranes Load Ascorbic Acid Can Curtail Gingival Recession?
Periodontal diseases are a prevalent issue, often leading to gingival recession, where the gingival margin recedes, exposing the tooth root and causing various problems.
- Conditions
- Gingival Recession, Localized, Gingival Diseases, Recession, Gingival
- Trial name
- recession (NCT06936592)
- Testing
- Ascorbic acid
- Volunteers
- 30 people
- Sponsor
- Minia University
Skin Inflammation
Broccoli Seed Extract and Skin Health
The primary objective of this study is to examine the influence of 4-weeks ingestion of TrueBroc®, (broccoli seed extract, BSE) with mustard seed powder (MSP) on improving skin health by evaluating skin physiological and…
- Trial name
- NCT05745636
- Testing
- Broccoli, mustard, vitamin C
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Appalachian State University
Healthy Aging, Healthy
Investigating the Effects of Daily Consumption of Blueberry (Poly)Phenols on Vascular Function and Cognitive Performance
Foods rich in certain (poly)phenols, particularly flavonoids, such as berries and cocoa, have been shown to improve measures of vascular function as well as cognitive performance in human intervention studies.
- Trial name
- BluFlow (NCT04084457)
- Testing
- Wild Blueberry powder
- Where
- United Kingdom
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- King's College London
Hepatitis C, Chronic, Liver Fibrosis
Efficacy and Safety of Pentoxyphilline and Tocopherol on the Fibrosis in Patients With Chronic Hepatitis C
The fibrosis of liver is a complication of chronic hepatitis C. There is actually no established treatment for fibrosis of the liver. Pentoxyphilline and tocopherol may have an activity on fibrosis.
- Trial name
- NCT00119119
- Testing
- pentoxyphilline, tocopherol
- Where
- France
- Volunteers
- 100 people
- Sponsor
- French National Agency for Research on AIDS and Viral Hepatitis
Colorectal Cancer, Pancreatic Cancer
High Dose Vitamin C Intravenous Infusion in Patients With Resectable or Metastatic Solid Tumor Malignancies
This is a multicenter, single arm, 3-cohort, open-label trial of high dose Vitamin C intravenous infusion in subjects with solid tumor malignancies who are eligible for resection (cohort A) or with extended RAS (e.g.KRAS or NRAS)…
- Conditions
- Colorectal Cancer, Pancreatic Cancer, Lung Cancer
- Trial name
- NCT03146962
- Testing
- Vitamin C
- Where
- 2 sites in United States
- Volunteers
- 61 people
- Sponsor
- Weill Medical College of Cornell University
Temporomandibular Joint Disorders
Exploratory Study To Assess the Efficacy and Safety of a Triple Combination for Acute Pain Treatment in Patients With Temporomandibular Joint Disorders (TMJD).
The objetive of this study is to explore the efficacy and safety of a triple combination of ibuprofen, magnesium and ascorbic acid for acute pain treatment in TMJD patients
- Trial name
- NCT02602483
- Testing
- Ibuprofen, Magnesium, Ascorbic Acid
- Where
- 4 sites in Spain
- Volunteers
- 96 people
- Sponsor
- Spherium Biomed
Alcohol Drinking, Blood Alcohol Content
Efficacy and Safety of Alcovit in Reducing Blood Alcohol Concentration
The goal of this clinical trial is to learn if Alcovit® (zeolite clinoptilolite) works to reduce blood alcohol concentration in healthy adults aged 18-70 years who are occasional or moderate alcohol consumers.
- Conditions
- Alcohol Drinking, Blood Alcohol Content, Hangover
- Trial name
- NCT07332429
- Testing
- Alcovit® (Zeolite Clinoptilolite)
- Where
- Brazil
- Volunteers
- 228 people, healthy volunteers welcome
- Sponsor
- Galzu Institute of Research, Teaching, Science and Applied Technology
Acute Myeloid Leukemia
High-dose Ascorbate (HDA) in Combination With Standard of Care Azacitidine and Venetoclax in Acute Myeloid Leukemia (AML)
This is a randomized, open-label, Phase I clinical study with expansion. It will assess the safety and efficacy of high-dose ascorbate administered concomitantly with azacitidine and venetoclax in newly diagnosed AML.
- Trial name
- NCT07177079
- Testing
- Azacitidine, Venetoclax, High-dose ascorbate
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Kittika Poonsombudlert
Anemia, Iron Deficiency
A Clinical Study to Check the Safety and Effectiveness of Botanical Extract Standardized for Iron + Vitamin C and Botanical Extract Standardized for Iron in Adult Human Subjects with Anemia or Iron-deficiency Anemia
A randomized, double-blind, parallel, three-arms, placebo-controlled, safety and efficacy study of Botanical Extract Standardized for Iron + Vitamin C and Botanical Extract Standardized for Iron in adult human subjects with…
- Trial name
- NCT06096103
- Testing
- Botanical Extract Standardized for Iron + Vitamin C, Botanical Extract Standardised for Iron
- Where
- India
- Volunteers
- 96 people
- Sponsor
- NovoBliss Research Pvt Ltd
Hypochlorhydria
Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets
This study evaluates the use of ascorbic acid, vitamin C, to temporary reduce gastric pH in individuals with omeprazole induced hypochlorhydria.
- Trial name
- NCT04199624
- Testing
- Omeprazole 20mg, Vitamin C
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Indiana University
PCOS, Vitamin D Deficiency
Vitamin D for Polycystic Ovary Syndrome Clomiphene Resistant Women
This study is determining the therapeutic effect of Vitamin D supplements to Pcos clomiphene resistant polycystic ovarian syndrome Women. Half of patients will receive Vitamin D with metformin while other half metformin only.
- Trial name
- NCT04010942
- Testing
- Vit D, Metformin, Clomiphene
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Ain Shams University
Vitamin C Deficiency, Vitamin D Deficiency
Vitamin Deficiency and Blood Pressure in Hospitalized Jewish General Hospital (JGH) Patients
There is suggestive evidence that vitamin C and vitamin D deficiency may increase blood pressure across the range of blood pressures from normal to elevated.
- Trial name
- NCT00921622
- Testing
- Vitamin D, Vitamin C
- Where
- Canada
- Volunteers
- 50 people
- Sponsor
- Jewish General Hospital
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