Clinical trials: Vitamin C
Diabetes Mellitus, Type 1, Autoimmune Diseases
Study to Evaluate the Safety and Feasibility of Diamyd® in Individuals at Risk for Type 1 Diabetes
A 2-arm randomized Phase II Open Label Study to evaluate the safety and feasibility of intralymphatic administration of Diamyd® (Diamyd) also known as retogatein in individuals at risk of Type 1 diabetes carrying the HLA DR3-DQ2…
- Conditions
- Diabetes Mellitus, Type 1, Autoimmune Diseases, Prevention
- Trial name
- NCT05683990
- Testing
- Diamyd
- Where
- Sweden
- Volunteers
- 5 people
- Sponsor
- Diamyd Medical AB
Skin Health
An Investigation of the Effects of a Skin Serum Containing Propolis on Skin Health and Appearance
This is a virtual, single-group clinical trial that will last 8 weeks. Participants will use the Manuka Health Pro Vitality Daily Restorative Face Serum with Propolis \& Vitamin C twice daily and complete questionnaires at…
- Trial name
- NCT06148740
- Testing
- Manuka Health Pro Vitality Daily Restorative Face Serum with Propolis & Vitamin C
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Manuka Health
Iron Deficiency Anemia
FLIPS: Ferfer Liposomal Iron Performance Study
To evaluate the efficacy of a novel food supplement, Ferfer® to raise the capacity of Haemoglobin and Haematocrit levels
- Trial name
- FLIPS (NCT03112187)
- Testing
- Iron Supplement
- Where
- Pakistan
- Volunteers
- 400 people
- Sponsor
- PharmEvo Pvt Ltd
Soreness, Muscle, Performance Enhancing Product Use
Acute Study on Muscle Soreness, Damage, and Performance
The acute study will evaluate pre- and post-exercise ingestion of a multi-ingredient supplement in a randomized, double-blind, placebo-controlled, crossover design.
- Conditions
- Soreness, Muscle, Performance Enhancing Product Use, Damage Muscle
- Trial name
- NCT04230226
- Testing
- Pre-workout plus and protein recovery plus
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Pharmanex
Nutrition, Healthy
Oral Bioavailability of the Phenolic Compounds in a Melissa Supplement
The objective of this study is to identify phenolic compound biomarkers of the intake of a mixture of Melissa officinalis extract, acerola extract and vitamin B5.
- Trial name
- BIOLEMON (NCT06949592)
- Testing
- M_ML
- Where
- Spain
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Fytexia
Pharmacokinetics
A Pharmacokinetics Study of Intravenous Ascorbic Acid
This is a Phase 1, single-dose study to evaluate the pharmacokinetics of intravenous Ascorbic Acid.
- Trial name
- NCT02534753
- Testing
- Ascor L 500® (Ascorbic Acid Injection, USP)
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- McGuff Pharmaceuticals, Inc.
Nonalcoholic Steatohepatitis (NASH)
The Efficacy, Safety and Tolerability of Oral LPCN 1144 in Subjects With Nonalcoholic Steatohepatitis
This is a Phase 2, randomized, double-blind, placebo controlled, three arm study in adult men with biopsy confirmed NASH. The study is aimed at evaluating efficacy and tolerability of LPCN 1144 in adult men with NASH.
- Trial name
- NASH (NCT04134091)
- Testing
- LPCN 1144 Formulation A, LPCN 1144 Formulation B
- Where
- 19 sites in United States
- Volunteers
- 56 people
- Sponsor
- Lipocine Inc.
Skin Carotenoids
Assessment of the Effects of a Daily Supplement 4Life Transfer Factor Vista Containing AREDS2 Formula on Skin Carotenoid Levels Using a Non-invasive Detection
The goal of the clinical study is to evaluate the impact of daily use of a dietary supplement TF Vista containing AREDS2 formula ingredients, astaxanthin (Haematococcus pluvialis) microalgae, bilberry (Vaccinium myrtillus) fruit…
- Trial name
- NCT07513597
- Testing
- Dietary Supplement
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- 4Life Research, LLC
Hyperpigmentation, Photodamaged Skin
A Multi-Center, Open-label Study Evaluate the Efficacy and Tolerability of a Dual Skincare Regimen Treatment for Facial Hyperpigmentation and Photodamaged Skin in Patients Exposed to Extrinsic Factors of Aging
This open-label, multi-center clinical trial was conducted to evaluate the dual skincare regimen of vitamin C serum and moisturizing sunscreen SPF 45 to improve facial hyperpigmentation and photodamage after 12 weeks of twice…
- Conditions
- Hyperpigmentation, Photodamaged Skin, Wrinkle, Fine Lines
- Trial name
- NCT05423873
- Testing
- Gentle Cleansing Lotion, Revision Skincare
- Where
- 3 sites in United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Revision Skincare
Headache, Nausea
Evaluation of a Fixed Combination of Herbal Extracts to Prevent Symptoms Alcohol-induced Hangovers
The primary objective of the study is to test whether the tested Product LACIME Anti-hangover is effective in preventing the signs and symptoms of alcohol-induced hangover (such as headache, impaired memory, depression, anxiety…
- Conditions
- Headache, Nausea, Dizziness, Sleepiness
- Trial name
- LACIME (NCT04183842)
- Testing
- LACIME Anti-hangover
- Where
- Armenia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Incara Lab
Endothelial Dysfunction
A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction
This Phase 2, randomized, open-label, 2-treatment, 2-sequence, 2-period crossover, pharmacokinetic (PK) study will compare plasma concentrations of BH4 in subjects with endothelial dysfunction following 14 days of treatment by…
- Trial name
- NCT00532844
- Testing
- Sapropterin Dihydrochloride, Sapropterin Dihydrochloride and Vitamin C
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- BioMarin Pharmaceutical
Virus Diseases, Herpes Zoster
Intravenous Vitamin C in the Treatment of Viral Infection, Especially in the Treatment of Shingles
Chronic viral infections induce oxidative stress that can cause a number of concomitant diseases, e.g. cardio-vascular diseases or metabolic disorders.
- Trial name
- 168 (NCT00921934)
- Where
- Germany
- Volunteers
- 68 people
- Sponsor
- Pascoe Pharmazeutische Praeparate GmbH
Skin Condition, Anti-Oxidative Stress
Efficacy Evaluation Study of Vitamin C and Glutathione Liquid Sachet
The objective of this study is to evaluate the effect of liquid vitamin C and glutathione supplements on human skin condition improvement and anti-oxidation.
- Trial name
- NCT07379216
- Testing
- Vitamin C and Glutathione Liquid Sachet
- Where
- Taiwan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- TCI Co., Ltd.
Anxiety, Stress
An Exploratory Investigation of a Supplement to Promote Cognitive Health Benefits
The Smart Supplement has 20 vitamins and minerals that have strong track records of demonstrating positive health effects, both physiologically and cognitively.
- Conditions
- Anxiety, Stress, Memory Deficits, Cortisol Overproduction
- Trial name
- NCT05523115
- Testing
- Heights Smart Supplement
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Heights
Iron Deficiency Anemia
Nutrient Fortified Oat Drink
This study will follow a randomized, double-blind, placebo-controlled, parallel-group design to test if an oat beverage fortified with iron, zinc vitamin A and vitamin C will improve nutrient status and iron deficiency in young…
- Trial name
- NCT01418898
- Testing
- Dietary Intervention
- Where
- Philippines
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Skin Health
The Influence of Probiotics in a Drinkable Yogurt on Skin Health
The aim of this study is to test if probiotics administered to healthy female subjects in a dairy format have any skin health benefits.
- Trial name
- NCT00864188
- Testing
- no bacterial strains, One probiotic strain - Lactobacillus paracasei NCC2461, Two standard yogurt fermenting bacterial strains - Streptococcus thermophilus and Lactobacillus delbrueckii subsp. bulgaricus
- Where
- Germany
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Iron Deficiency Anemia
Effectiveness and Acceptability of LISEFEX® (Liposomal Iron With Vitamin C and Fiber) in People With Iron Deficiency Anemia.
Observational, descriptive, prospective, longitudinal, multicenter, non-interventionist and multicentric study in Mexican subjects diagnosed with mild to moderate iron deficiency anemia (ADH).
- Trial name
- NCT07483645
- Where
- Mexico
- Volunteers
- 74 people
- Sponsor
- Carnot Laboratories
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
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
Venous Thromboembolism, Metastatic Pancreatic Cancer
The Effect of Kinisoquin™ on Thromboembolic Events in Patients With Metastatic or Locally Advanced Pancreatic Cancer
The aim of this Phase 3 study is to evaluate the efficacy of Kinisoquin™ as compared to the placebo in prevention of thromboembolic events in patients with metastatic or locally advanced pancreatic cancer.
- Conditions
- Venous Thromboembolism, Metastatic Pancreatic Cancer, Locally Advanced Pancreatic Adenocarcinoma
- Trial name
- CATIQ P3 (NCT06861088)
- Testing
- Kinisoquin™
- Where
- 3 sites in United States
- Volunteers
- 480 people
- Sponsor
- Quercis Pharma AG