Clinical trials: Vitamin C
Erythema, Telangiectasis
The Effect of 16-week Dietary Intake of Food Supplements Containing Collagen and MSM on Facial Erythema and Other Skin Parameters
The aim of this study is to compare the effects of 16 weeks of daily dietary supplementation with two investigational products containing collagen, methylsulfonylmethane (MSM), and vitamin C on skin parameters in comparison to a…
- Conditions
- Erythema, Telangiectasis, Skin Redness
- Trial name
- TO-COSKIN4 (NCT07345195)
- Testing
- CPMSM-HD, CPMSM-LD
- Where
- Slovenia
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- VIST - Faculty of Applied Sciences
This Study Aimed to Evaluate the Impact of Fortified Biscuit Consumption on the Iron Status of School-aged Children in Rural Kaolack
Impact of the Consumption of Fortified Biscuits on the Iron Status of School-aged Children
This study aimed to evaluate the impact of fortified biscuit consumption on the iron status of school-aged children in rural Kaolack.
- Trial name
- NCT07041866
- Testing
- Fortified Biscuit with Local Iron-Rich Ingredients, Non-Fortified Biscuit
- Where
- Senegal
- Volunteers
- 570 people, healthy volunteers welcome
- Sponsor
- Universite du Sine Saloum Elhadj Ibrahima Niasse
Non-Anemic Iron Deficiency
Risk of Anemia and Effects of Oral Iron Therapy in Non-Anemic Iron-Deficient Women (18-55 Years)
This study investigates the risk of anemia development in women aged 18-55 years with non-anemic iron deficiency and evaluates the clinical effects of oral iron therapy.
- Trial name
- NAID-F (NCT07263529)
- Testing
- Dietary Intervention (2 months), Oral Elemental Iron (Ferrous Sulfate) 80 mg/day
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Istanbul University - Cerrahpasa
Gingivitis
Effects of Antioxidant Dentifrice on Gingivitis
The purpose of this study is to investigate the effect of a dentifrice containing L-ascorbic acid 2-phosphate magnesium salt on gingival inflammation, gingival bleeding and gingival redness.
- Trial name
- NCT02102295
- Testing
- Experimental toothpaste, Control toothpaste
- Where
- 4 sites in Japan
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Lion Corporation
Male Infertility
Investigation of The Effectiveness of Antioxidant Therapy in Oligoasthenoteratozoospermic Infertile Men
Approximately 30% of the factors that cause male infertility are due to idiopathic causes. Increased reactive oxygen species (ROS) due to many known and unknown factors cause male infertility by affecting spermatogenesis and…
- Trial name
- NCT06042738
- Testing
- proxeed plus
- Where
- Turkey (Türkiye)
- Volunteers
- 48 people
- Sponsor
- Ondokuz Mayıs University
Varicocele
Evaluation of Fertitonex Effects on Semen Parameters in Clinical Varicocele Patient.
The aim of the study is to evaluate the Fertitonex effects on semen parameters in clinical varicocele patients.
- Trial name
- NCT06718426
- Testing
- Fertitonex capsule
- Where
- Egypt
- Volunteers
- 110 people
- Sponsor
- Menoufia University
Bowel Cleansing in Preparation for Colonoscopy
PEG-Electrolyte Solution (FORTRANS®) With Mentholyptus Drops (Halls®) Versus Reduced Volume Ascorbic Acid Supplemented PEG-Electrolyte (MoviPrep®) in Colonoscopy Preparation
The colonoscopy accuracy and safety depend on the quality of colon cleansing. An inadequately prepped bowel will increase the risk of missing a lesion, prolong procedure, increase patient discomfort, and eventually increase…
- Trial name
- NCT01788709
- Testing
- preparation cleaning solution
- Where
- Lebanon
- Volunteers
- 200 people
- Sponsor
- American University of Beirut Medical Center
Schizophrenia
Role of Antioxidants (Vitamin C and E) in the Management of Schizophrenia
Background: Antioxidants are substances that are considered as a defensive material which protects cells from destruction. It is evident that use of food stuff rich in antioxidant will fortify one's ability to encounter with…
- Trial name
- NCT04078048
- Testing
- Antioxidants (Vitamin C, E )
- Where
- Pakistan
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- University of Health Sciences Lahore
Stem Cell Transplant Complications, Myeloma
Transplant Wellness Clinic for Elderly or High Risk Patients Undergoing BMT
As the average age of individuals undergoing stem cell transplant continues to increase, challenges associated with balancing the side effects of cancer treatments while also managing other medical conditions develop.
- Conditions
- Stem Cell Transplant Complications, Myeloma, Lymphoma, Allogeneic and Autologous Stem Cell Transplant
- Trial name
- NCT04194840
- Testing
- physical therapy consult, Cognitive Assessment, Cancer Aging Research Group (CARG) assessment
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Case Comprehensive Cancer Center
Tissue Modification After Vit c Injection
Effect of Vitamin C on Collagen Production in Comparison to Hereditary Gingival Fibromatosis: Histopathological Study
In this preliminary study, we propose that the intraepidermic injection of vit C can induce quantitative and qualitative modification of the gingival biotype.
- Trial name
- NCT07043985
- Testing
- biopsy
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Badr University
Healthy
Effect of Antioxidants on Oxygen Induced Vasoconstriction in Lipopolysaccharide (LPS) Induced Inflammatory Model in Humans
Oxidative stress has been implicated in playing a pathogenic role in many disease processes, especially in age-related disorders.
- Trial name
- NCT00914576
- Testing
- Vitamin and mineral supplement, 100% Oxygen, Escherichia coli Endotoxin
- Where
- Austria
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
COVID-19, Acute Respiratory Distress Syndrome
Tolerability and Efficacy of RJX in Patients With COVID-19
This study is designed as a 2-part, 2-cohort, double-blind, randomized, placebo controlled, multicenter Phase 1/2 study to evaluate the safety, tolerability and efficacy of RJX in patients with COVID-19.
- Conditions
- COVID-19, Acute Respiratory Distress Syndrome, SARS-CoV-2, Hypoxemia
- Trial name
- RJX (NCT04708340)
- Testing
- Rejuveinix (RJX) Active Comparator
- Where
- 3 sites in United States
- Volunteers
- 237 people
- Sponsor
- Reven Pharmaceuticals, Inc.
Colorectal Cancer, Older Adults (60 - 85 Years Old)
Chemo Brain Prehab Project
Colorectal cancer is 37% higher in the North West than the national average and is treated by chemotherapy, including fluorouracil, capecitabine, and oxaliplatin.
- Conditions
- Colorectal Cancer, Older Adults (60 - 85 Years Old), Physically Inactive, Chemotherapy
- Trial name
- CHEMOBRAIN (NCT07341217)
- Testing
- Exercise Prehabilitation, Multivitamins, Standard Care (in control arm)
- Where
- 4 sites in United Kingdom
- Volunteers
- 86 people
- Sponsor
- Dr. Chris Gaffney
Hypercholesterolemia, Breast Cancer
Plant Sterol INtervention for Cancer Prevention (PINC)
Several types of human cells convert cholesterol into other molecules, including oxysterols. Oxysterols can promote breast cancer growth and help tumours to spread.
- Conditions
- Hypercholesterolemia, Breast Cancer, Obesity
- Trial name
- PINC (NCT04147767)
- Testing
- Cholesterol Reducing Strawberry Yogurt Drink (Tesco Ltd), Low Fat Strawberry Yogurt Drinks (Morrisons Ltd)
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Leeds
Diabetes Mellitus, Type 1
Protective Effects of Saxagliptin (And Vitamin D3) on β Cell Function in Adult-onset Latent Autoimmune Diabetes
The main purpose of this study is to evaluate whether saxagliptin or (and vitamin D3) with metformin (and insulin) therapy can better protect islet β cell function than metformin(and insulin) .
- Trial name
- NCT02407899
- Testing
- Saxagliptin, Vitamin D3, Insulin
- Where
- 39 sites in China
- Volunteers
- 300 people
- Sponsor
- Second Xiangya Hospital of Central South University
Exercise-induced Bronchospasm
Vitamin C & Exercise Induced Bronchoconstriction (EIB)
The purpose of this research is to assess the association between diet and pulmonary function during standardized EIB testing. Determine the effect of Vitamin C supplementation on airway inflammatory markers and…
- Trial name
- NCT03610932
- Testing
- Vitamin C
- Where
- United States
- Sponsor
- University of Kansas Medical Center
Bleaching Effect and Postoperative Sensitivity of Strawberry Extract
Bleaching Effect of Strawberry Extract Versus Hydrogen Peroxide in Patients With Extrinsic Staining
with limited evidence based information in literature about using Strawberry extract for teeth bleaching in patients with extrinsic staining , it is beneficial to evaluate this new material using a randomized controlled clinical…
- Trial name
- NCT06287060
- Testing
- strawberry extract.
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
Autism
Open Label of Clinical Trial of Sulforaphane in Children With Autism
This is an open-label, 4-month study examining the effects of Sulforaphane (SF) on behavior in children with ASD and the correlation between behavior change and urinary metabolites.
- Trial name
- NCT02654743
- Testing
- Sulforaphane
- Volunteers
- 21 people
- Sponsor
- University of California, San Francisco
Non-anemic Iron Deficiency
Treatment of Non-Anemic Iron Deficiency in Pregnancy
The objective is to investigate the treatment of non-anemic iron deficiency (NAID) and the impact on development of anemia later in pregnancy.
- Trial name
- NCT05423249
- Testing
- Ferrous sulfate, Prenatal, Docusate Sodium
- Where
- 3 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Stony Brook University
COVID-19
Canadian Adaptive Platform Trial of Treatments for COVID-19 in Community Settings
CanTreatCOVID is an open-label, individually randomized, multi-centre, national trial. CanTreatCOVID aims to establish an adaptive platform trial aimed at evaluating the clinical- and cost-effectiveness, practical challenges, and…
- Trial name
- CanTreatCOVID (NCT05614349)
- Testing
- Paxlovid, Antioxidant
- Where
- 6 sites in Canada
- Volunteers
- 797 people
- Sponsor
- Unity Health Toronto