Clinical trials: Vitamin C
Covid19
RCT,Double Blind, Placebo to Evaluate the Effect of Zinc and Ascorbic Acid Supplementation in COVID-19 Positive Hospitalized Patients in BSMMU
The first COVID-19 case was identified on March 7, 2020. Since then, 4127 deaths of the total 3,40583 confirmed cases are reported in Bangladesh of August 26, 2020.
- Trial name
- NCT04558424
- Testing
- zinc gluconate and ascorbic acid
- Where
- Bangladesh
- Volunteers
- 50 people
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Autism Spectrum Disorder
Effect of Increasing Total Antioxidant Capacity in Autism Spectrum Disorder
This double-blind, randomized, controlled trial (RCT) has the aim to evaluating the effectiveness of increasing Total Antioxidant Capacity (TAC) as add-on intervention in two cohorts of patients with Autism Spectrum Disorder…
- Trial name
- TACASD (NCT06623227)
- Testing
- Vitamin E and C
- Where
- Indonesia
- Volunteers
- 50 people
- Sponsor
- Rinvil Renaldi
Bacterial Vaginoses, Infertility, Female
The Effect of Clindamycin and a Live Biotherapeutic on the Reproductive Outcomes of IVF Patients With Abnormal Vaginal Microbiota
Study question: Does antibiotic alone or in combination with live biotherapeutic treatment of an abnormal vaginal microbiota improve the reproductive outcomes of IVF couples? Study hypothesis: The investigator hypothesize that…
- Trial name
- NCT05166746
- Testing
- Clindamycin
- Where
- 4 sites in Denmark
- Volunteers
- 333 people
- Sponsor
- Peter Humaidan
Chronic Obstructive Pulmonary Disease
Detection of Aspergillus Fumigatus and Sensitization in COPD Patients With Bronchiectasis vs Without Bronchiectasis
A single center case-control study with 100 COPD patients will be organized to compare patients with and without bronchiectasis with regard to the presence of Aspergillus in sputum samples, Aspergillus sensitization and vitamin…
- Trial name
- NCT02332122
- Testing
- Sputum induction, Skin prick test, Questionnaires
- Where
- Belgium
- Volunteers
- 100 people
- Sponsor
- Wim Janssens
Glioma
Fluorescence-guided Surgery for Low- and High-grade Gliomas
Gliomas are the most common primary brain tumor, yet remain a challenge to effectively treat. Mounting evidence suggests that survival improves with greater tumor removal, yet being able do a complete removal can be difficult due…
- Trial name
- BALANCE (NCT01502280)
- Testing
- 5-Aminolevulinic acid (ALA)
- Where
- United States
- Volunteers
- 127 people
- Sponsor
- St. Joseph's Hospital and Medical Center, Phoenix
Maxillofacial Abnormalities, Maxillofacial Injuries
Vitamin C Level Effect in Orthognathic Surgery
Comparing the pre and post-operative blood plasma levels of vitamin C according to oxidative stress and investigate the correlation between post-operative analgesia requirement and vitamin C levels following orthognathic surgery.
- Conditions
- Maxillofacial Abnormalities, Maxillofacial Injuries, Maxillofacial Trauma
- Trial name
- NCT04416386
- Testing
- Vitamin C
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Medipol University
Preeclampsia, Endothelial Function
Antidepressant Therapy for Improved Blood Vessel Health After Preeclampsia
Preeclampsia is a condition in pregnancy where a woman develops high blood pressure and other complications. Women who develop preeclampsia are 4 times more likely to have heart disease later in life.
- Trial name
- NCT07715669
- Testing
- Paroxetine Hydrochloride, Ascorbic acid (Vitamin C)
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Anna Stanhewicz, PhD
Covid19
Retrospective Study of ImmunoFormulation for COVID-19
Multicentre, retrospective, observational study to describe the course of SARS-CoV-2 disease in patients treated or not with IMUNO TF ® and a combination of nutraceuticals and who have tested positive in a COVID-19 diagnostic…
- Trial name
- NCT04666753
- Testing
- ImmunoFormulation
- Where
- 2 sites in Spain
- Volunteers
- 40 people
- Sponsor
- Fagron Iberica S.A.U.
Fibroids
Fibroids in Women of Reproductive Age and Women Pregnancy
Dydrogesterone Multivitamin Nature treatment of fibroids in women of reproductive age and women pregnancy to lost the size fibroids.
- Trial name
- Fibroids (NCT02620345)
- Testing
- Dydrogesterone M ( case 1 ), Dydrogesterone M ( case 2 )
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Trieu, Nguyen Thi, M.D.
Progression of Atherosclerotic Plaque, Coronary Artery Disease
Coronary Chronic Total Occlusion and Oxidative Balance
The presence of chronic blockage of coronary arteries, which we may accept as the terminal point of atherosclerotic coronary artery disease, is closely associated with a poor prognosis.
- Trial name
- NCT04754880
- Testing
- Comparison of oxidative and antioxidative markers between groups
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people
- Sponsor
- Kahramanmaras Sutcu Imam University
Alveolar Osteitis
NBF Gingival Gel Application After Impacted Lower Third Molar Surgery
Background: Alveolar osteitis is one of the most frequent complications after lower third molar extraction, and is usually accompanied by inflammation, pain and poor wound healing.
- Trial name
- NCT03641482
- Testing
- NBF
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Breast Cancer
Effect of Vitamin C and E in Breast Cancer Patients Undergoing Chemotherapy
Title: Effect of Vitamin C and Vitamin E in Breast Cancer patients undergoing Chemotherapy. Purpose of the study: The present study has been designed to assess the effects of vitamin C and vitamin E superimposed upon…
- Trial name
- NCT04463459
- Testing
- Vitamin C, Vitamin E
- Where
- Bangladesh
- Volunteers
- 80 people
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Depression Disorders
Comparing the Effects of Aerobic & Resistance Exercises and Vitamins D & E on Oxidative Stress & Inflammatory Markers Among Patients with Depression
Depression has been ranked as the fourth leading contributor to disability globally. As per data provided by the World Health Organization (WHO), depression affects approximately 3.8% of the global population, constituting…
- Trial name
- TNF; IL-6 (NCT06775548)
- Testing
- Aerobic Exercises + Vitamin E, Resistance Exercises + Vitamin E, Aerobic Exercises + Vitamin D
- Where
- Pakistan
- Volunteers
- 116 people
- Sponsor
- Ziauddin University
Diabetes Mellitus, Type 2, Depressive Symptoms
Cholecalciferol on Depressive Symptoms in Type 2 Diabetes Mellitus Patients
One in eleven adults falls ill with Diabetes Mellitus (DM) and 90% of them suffered from type 2 DM. Depression in type 2 DM patients had a big impact, acting as a major barrier to self-care in type 2 DM patients.
- Trial name
- NCT04917458
- Testing
- Cholecalciferol 4000 IU Oral Capsule, Liquid Filled
- Where
- Indonesia
- Volunteers
- 90 people
- Sponsor
- Universitas Indonesia
Anemia, Undernutrition
Effect of Iron Versus Multiple Micronutrient Supplementation on Anemia in Preschool Children of Malaria-Endemic Area
Some micronutrients are likely to interact with malaria parasite, leading to either synergistic or antagonist effect on malaria morbidity and therefore on hemoglobin response.
- Trial name
- NCT00628459
- Testing
- micronutrient supplementation
- Where
- Burkina Faso
- Volunteers
- 297 people
- Sponsor
- Centre National de la Recherche Scientifique et Technologique
Age - Related Macular Degeneration (AMD)
Effect of Fu's Subcutaneous Needling for Age-related Macular Degeneration
This pilot randomized controlled trial aims to evaluate the efficacy and safety of FSN in improving symptoms in patients with dAMD.38 eligible participants will be recruited and randomly assign them in a 1:1 ratio to the FSN…
- Trial name
- NCT07121127
- Testing
- FSN+Vitamin supplement, Vitamin Supplements
- Volunteers
- 38 people
- Sponsor
- Zhiming Yan
Macular Degeneration, Cataract
Randomized Trials of Vitamin Supplements and Eye Disease
To determine whether vitamin E supplementation reduces the risk of cataract and age-related macular degeneration (AMD) in women. To determine whether vitamin C supplementation reduces the risk of cataract and AMD in women.
- Trial name
- NCT00000161
- Testing
- Aspirin, Beta-Carotene, Vitamin C
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Dietary Supplements
A Study Evaluating Quality of Life Parameters Following Use of Emergen-C
The purpose of this study is to determine how Emergen-C use can improve quality of life (QoL) in a real-world setting to help consumers and healthcare professionals understand the benefits of taking Emergen-C on a routine or…
- Trial name
- NCT06654089
- Testing
- Emergen-C Core Super Orange Powder
- Where
- United States
- Volunteers
- 299 people, healthy volunteers welcome
- Sponsor
- HALEON
Hypoxia, Erythropoiesis
Effects of Intermittent Hypoxia Training With Iron Supplementation on Red Blood Cells and Iron Levels in Trained Athletes
This study investigates how training under conditions of reduced oxygen (intermittent hypoxia) affects the body's ability to produce red blood cells and manage iron levels, compared to training under normal oxygen conditions.
- Conditions
- Hypoxia, Erythropoiesis, Iron Metabolism Disorders
- Trial name
- IHIT-IRON (NCT07720960)
- Testing
- Control group (CG), Hypoxia group (HG): trained at simulated altitudes between 4,450 and 5,850 m
- Where
- Spain
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Néstor Vicente-Salar
Septic Shock
Steroids, Thiamine and Ascorbic Acid in Septic Shock
The objective of this project is to determine if in patients admitted to the hospital with septic shock (population), does treatment with a bundle including hydrocortisone, thiamine, and ascorbic acid improve in-hospital or…
- Trial name
- STASIS (NCT04134403)
- Testing
- STASIS
- Volunteers
- 80 people
- Sponsor
- Baqiyatallah Medical Sciences University
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