Clinical trials: Vitamin C
Colonoscopy
The Comparative Study Between Bowel Preparation Method
The purpose of this study is to compare the efficacy, acceptability and preparation-induced mucosal inflammation of PEG + ascorbic acid vs. PEG for colonoscopy.
- Trial name
- CSBPM (NCT01964417)
- Testing
- Colonoscopy after bowel cleansing
- Where
- South Korea
- Volunteers
- 319 people, healthy volunteers welcome
- Sponsor
- Inje University
Chronic Obstructive Pulmonary Disease, Respiratory Failure
Effects of L-arginine and Liposomial Vitamin C on Severe Copd Patients Undergoing Pulmonary Rehabilitation.
The hypothesis that is being tested is that the supplementation of L-arginine plus Vitamin C to multidisciplinary pulmonary rehabilitation (PR) in patients with a previous diagnosis of chronic obstructive pulmonary disease (COPD)…
- Trial name
- NCT06439875
- Testing
- effect of L-arginine and liposomial vitamin C on pulmonary rehabilitation
- Where
- 3 sites in Italy
- Volunteers
- 101 people
- Sponsor
- Istituti Clinici Scientifici Maugeri SpA
Mountain Sickness, Chronic
Chronic Mountain Sickness, Systemic Vascular Function
Diseases associated with chronic hypoxemia like chronic obstructive pulmonary disease (COPD) or emphysema, represent major medical and socio-economical problems and one of the leading cause of morbidity and mortality in the…
- Trial name
- CMS (NCT01182792)
- Testing
- Vitamin C and E
- Where
- 2 sites in Bolivia, Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Lausanne Hospitals
Hunger
Effect of Supplement on Appetite and GLP-1
Study Summary The goal of this study is to understand whether a dietary supplement containing L-arginine, resveratrol, tart cherry, and vitamin C reduces hunger and increases the release of GLP-1, a hormone associated with…
- Trial name
- GLP-1 Suppleme (NCT06790771)
- Testing
- High Dose Supplement, Low Dose Supplement
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Texas Christian University
Covid19
Efficacy of Psidii Guava's Extract For COVID-19
This study was an experimental, randomized clinical trial, with a parallel design, with aims were seeing the effectiveness of extracted Psidii guava on white blood cells (WBCs) count, neutrophil, lymphocyte, monocyte…
- Trial name
- NCT04810728
- Testing
- Extract Psidii guava, Standard therapy for Covid-19 patient
- Where
- Indonesia
- Volunteers
- 90 people
- Sponsor
- Baiturrahmah University
Alopecia Areata
Combined Microneedling With Either 1% Lactic Acid Solution or Vitamin D3 or Triamcinolone Acetonide in The Treatment of Alopecia Areata
Alopecia areata (AA) is an immunologically mediated disease characterized by non-scarring hair loss (Madni and Shapiro, 2000). AA is presented by rapid and complete hair loss in one or more round or oval patches, usually on the…
- Trial name
- NCT06327581
- Testing
- Lactic Acid, vit D, Triamcinolone Acetonide
- Where
- Egypt
- Volunteers
- 88 people
- Sponsor
- Zagazig University
Diabetes Mellitus, Type 1
Estrogen and Diabetes
Diabetes has recently been referred to as "the epidemic of the 21st century". The reason why women with type 1 diabetes have a 2-3 fold greater risk of cardiovascular disease (CVD) compared to men with type 1 diabetes is…
- Trial name
- NCT03436992
- Testing
- Antioxidant Cocktail, Resveratrol
- Where
- 2 sites in United States
- Volunteers
- 143 people, healthy volunteers welcome
- Sponsor
- Augusta University
Exercise Recovery
Does the Development of the Repeated Bout Effect Depend on Oxidative Stress and Inflammation?
Eccentric exercise, particularly when novel and strenuous, can cause soreness and inflammation, impairing subsequent exercise performance. These performance decrements are attributable to oxidative stress and inflammation.
- Trial name
- ANTI-RBE (NCT07472244)
- Testing
- Control, Intervention
- Where
- United Kingdom
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- University of Bath
Septic Shock
Thiamine, Vitamin C and Hydrocortisone in the Treatment of Septic Shock
The purpose of this research study is to determine whether patients who receive thiamine (vitamin B1), vitamin C and hydrocortisone while in septic shock have improved outcomes compared to hydrocortisone alone.
- Trial name
- NCT03540628
- Testing
- Thiamine and Vitamin C
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Corewell Health South
Gingival Pigmentation
Effect of Oxidant Gel and Anti-oxidant Gel on Wound Healing After Gingival Depigmentation
To evaluate effect of Oxidant (Oxygen Releasing Oral Gel) with Coe-Pak versus Anti-oxidant (Nano-emulsion complex propolis and vitamin C gel) with Coe-Pak on wound healing, pain, patient satisfaction after gingival depigmentation
- Trial name
- NCT05837416
- Testing
- blue®m Gel, NBF GINGIVAL GEL®, COE-PAK™
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
End Stage Renal Disease
Trace Element Replenishment Study in Hemodialysis Patients
A pilot randomized trial that compares a new renal nutritional supplement with the standard renal vitamin. The primary objective is to compare two doses (medium and high) of the new supplement with the renal vitamin currently…
- Trial name
- NCT01473914
- Testing
- Low dose: supplemental zinc, selenium and vitamin E, Standard renal vitamin: B and C renal vitamin, Medium dose: supplemental zinc, selenium and vitamin E
- Where
- 2 sites in Canada
- Volunteers
- 150 people
- Sponsor
- Marcello Tonelli
Chronic Hepatitis C
Vitamin D Treatment in Patients With Chronic Hepatitis C
We hypothesize that patients with Ch.HCV have a low level of vitamin D, and that by raising their vitamin D levels by adding it to their standard treament of Pegylated Interferon and Ribavirin, there will be an increase in their…
- Trial name
- NCT00804752
- Testing
- Adding vitamin D, Vitamin D
- Where
- Israel
- Sponsor
- Hillel Yaffe Medical Center
Diabetic Foot Ulcers, Diabetic Wound
The Effect of Platelet-Rich Plasma-Fibrin Glue in Combination With Vitamin E and C for Treatment of Non-healing Diabetic Foot Ulcers
The aim of this study is to evaluates the chance of non-healing Diabetic Foot Ulcers repair by reducing oxidative stress caused by diabetes by taking vitamin E and C supplements along with the use of Platelet-Rich Plasma-Fibrin…
- Trial name
- NCT04315909
- Testing
- PRP-Fibrin Glue, Vitamin E and C
- Where
- Iran
- Volunteers
- 24 people
- Sponsor
- Mashhad University of Medical Sciences
Periodontal Diseases
Non-surgical Treatment of Chronic Periodontitis With an Adjunctive Vitamin E and Coenzyme Q10 Supplementation
Non-surgical treatment of chronic periodontitis with vitamin E and coenzyme Q10 supplementation
- Trial name
- NCT06373848
- Testing
- Receive 30 mg of Coq10
- Where
- Iran
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Islamic Azad University, Sanandaj
Anemia
Severe Anemia Treatment Trials, Pakistan
The purpose of this study is to test the efficacy of two enhanced regimens (deworming and multivitamins) in the treatment of severe anemia in pregnant women and children 6-24 months of age in Karachi, Pakistan.
- Trial name
- NCT00116493
- Testing
- Iron-folic acid and mebendazole, Mebendazole, Multivitamins
- Where
- Pakistan
- Volunteers
- 1,009 people
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Analgesia
Management of Post Dural Pucture Headache After Lower Limb Surgeries: Oral Prednisolone vs Oral Pregabalin
The aim of this study is to compare between oral prednisolone and oral pregabalin in management of PDPH to detect effectiveness of the treatment in reducing severity of PDPH, total rescue analgesic consumption and adverse effects…
- Trial name
- NCT04662125
- Testing
- caffeine, paracetamol tablet, Oral prednisolone, oral pregabalin
- Where
- Egypt
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Zagazig University
Abortion, Induced
Cervical Preparation Before Dilation and Evacuation
The purpose of this research study is to compare three different ways of opening a woman's cervix before her second-trimester surgical abortion.
- Trial name
- NCT01751087
- Testing
- Mifepristone, misoprostol, Osmotic dilators
- Where
- 7 sites in United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Planned Parenthood League of Massachusetts
Male Infertility
Males, Antioxidants, and Infertility Trial
The objective of the Males, Antioxidants, and Infertility (MOXI) Trial is to examine whether treatment of infertile males with an antioxidant formulation improves male fertility.
- Trial name
- MOXI (NCT02421887)
- Testing
- Antioxidant Supplement
- Where
- 10 sites in United States
- Volunteers
- 171 people
- Sponsor
- Yale University
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
Liver Fibrosis
Silybin - Vitamin E- Phospholipids Complex Reduces Liver Fibrosis in Patients With Chronic Hepatitis C Treated With Peg-IFN-a and RBV
Chronic hepatitis C is both a virologic and a fibrotic disease, with mortality resulting mainly from the complications of cirrhosis and HCC.
- Trial name
- NCT01935817
- Testing
- Silybin 94 mg + vitamin E 90 mg + phospholipids 194 mg complex
- Where
- Italy
- Volunteers
- 64 people
- Sponsor
- University of Catania
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