123 completed. 123 Not applicable.
| Phase | Trials | Status |
|---|---|---|
| Not applicable | 123 | Completed 123 |
Follow Ascorbic Acid: new trials by email Literature Review of Ascorbic Acid trials Research Report on Ascorbic Acid
Tick up to 5 trials to compare them side by side (eligibility, arms, endpoints, adverse events) in a Literature Matrix.
| Trial | Phase | Status | Sponsor | Enrollment | Start | Updated |
|---|---|---|---|---|---|---|
| Effect of Double Nutri® Liposomal Encapsulation Technology on Human Absorption of Vitamin C and Glutathione Liquid Sachet Vitamin C and Glutathione without liposome, Liposomal Vitamin C and Glutathione - Vitamin C, Glutathione | Not applicable | Completed | TCI Co., Ltd. | 20 | 2025-12-15 | 2026-02-03 |
| Cerebral Hemodynamic Effects of Oxygen and Antioxidants (CHEOXANT) Oxygen, Vitamin C (Ascorbic Acid) - Oxygen, Hyperoxemia | Not applicable | Completed | Erasme University Hospital | 13 | 2025-09-01 | 2026-05-19 |
| Impact of Vitamin C on Pain Detection and Tolerance Threshold Vitamin C, Placebo - Pain, Acute | Not applicable | Completed | Centre Integre Universitaire de Sante et Services Sociaux du Nord de l'ile de Montreal | 38 | 2025-07-18 | 2026-03-31 |
| Effects of Dietary Nitrate and Vitamin C Co-supplementation on Blood Pressure and Endothelial Function in Overweight Individuals Beetroot juice plus vitamin C tablet, Beetroot juice plus placebo tablet, Nitrate-depleted beetroot juice plus placebo tablet - Blood Pressure | Not applicable | Completed | University of Nottingham | 15 | 2024-11-25 | 2025-12-02 |
| Oxidative DNA Damage Enhancement by Vitamin C Among Narghile Smokers and Non-smokers Vitamin C (Ascorbic Acid) regularly has been taken - Narghile | Not applicable | Completed | Nora Tariq Mohammed | 96 | 2024-10-15 | 2025-08-26 |
| In Vitro and in Vivo Evaluation of the Anti-Inflammatory and Antithrombotic Synergy of Vitamin C and Bioflavonoids in Healthy Subjects High Dose of Vitamin C with ir without 50 mg of flavonoids - Cardio-protection | Not applicable | Completed | Democritus University of Thrace | 20 | 2024-10-01 | 2025-07-11 |
| Efficacy of Vitamin C Supplementation on Serum IL-6 Levels and Disease Activity in Systemic Lupus Erythematosus Patients Vitamin C, Placebo - Systemic Lupus Erythematosus (SLE) | Not applicable | Completed | Universitas Sriwijaya | 38 | 2024-09-01 | 2025-07-17 |
| Efficacy of Vitamin C Supplementation on Serum TNF-α Levels and Disease Activity in SLE Patients Vitamin C, Placebo - Systemic Lupus Erythematosus (SLE) | Not applicable | Completed | Universitas Sriwijaya | 38 | 2024-09-01 | 2025-07-17 |
| Efficacy of Vitamin C Supplementation on Malondialdehid Levels and Disease Activity in SLE Patients Vitamin C, Placebo - Systemic Lupus Erythematosus (SLE) | Not applicable | Completed | Universitas Sriwijaya | 38 | 2024-09-01 | 2025-07-24 |
| Effects of Vitamin C on Shock Duration and Microcirculation in Patients With Vasoplegia Syndrome After Cardiac Surgery Vit C, Standard Preparation - Vasoplegia Syndrome | Not applicable | Completed | Southeast University, China | 40 | 2024-07-01 | 2026-09-16 |
| Does Vitamin C Improve Postoperative Healing Vitamin C, Placebo - Impacted Mandibular Third Molar | Not applicable | Completed | Hacettepe University | 56 | 2024-06-01 | 2025-06-10 |
| Comparison Between IPRF With Vit. C and IPRF Alone in Management of ID'Pain Vitamin C, Injectable platelet rich fibrin - TMJ Pain | Not applicable | Completed | Cairo University | 40 | 2024-04-15 | 2024-11-08 |
| PEG-Asc Vs. SPMC for Bowel Preparation in Capsule-based Procedures Polyethylene Glycol plus Ascorbic Acid (PEG-Asc), Sodium Picosulfate with Magnesium Citrate (SPMC) - Bowel Preparation Solution | Not applicable | Completed | Unidade Local de Saúde do Alto Ave, EPE | 220 | 2024-01-01 | 2025-10-03 |
| An Investigation of the Effects of a Skin Serum Containing Propolis on Skin Health and Appearance Manuka Health Pro Vitality Daily Restorative Face Serum with Propolis & Vitamin C - Skin Health | Not applicable | Completed | Manuka Health | 40 | 2023-11-09 | 2024-11-20 |
| 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 placebo, Botanical Extract Standardized for Iron + Vitamin C, Botanical Extract Standardised for Iron - Anemia, Iron Deficiency | Not applicable | Completed | NovoBliss Research Pvt Ltd | 96 | 2023-11-03 | 2025-03-03 |
| The Effect of Vitamin C for Iron Supplementation During Pregnancy with Risk of Anemia Vitamin C 500 MG Oral Tablet - Vitamin C Anemia, Pregnancy Anemia | Not applicable | Completed | Department of Medical Services Ministry of Public Health of Thailand | 100 | 2023-06-28 | 2024-11-14 |
| Placebo-Controlled Study Assessing the Use of a Novel Exfoliative Serum With A Chemical Peel to Improve Photodamage in Adults Vitamin C with AHA Exfoliative Serum, Placebo serum - Photodamaged Skin | Not applicable | Completed | Austin Institute for Clinical Research | 34 | 2023-06-22 | 2024-07-19 |
| An Investigator-initiated Trial to Assess the Effectiveness of Three Different Gummies (Curcumin Gummies, Vitamin C Gummies, and Vitamin B Complex Gummies) in Healthy Children Curcumin Gummies, Vitamin C Gummies, Multivitamin Gummies - Healthy Children | Not applicable | Completed | NovoBliss Research Pvt Ltd | 48 | 2023-05-01 | 2023-11-09 |
| Broccoli Seed Extract and Skin Health Broccoli, mustard, vitamin C, Placebo - Skin Inflammation | Not applicable | Completed | Appalachian State University | 24 | 2023-03-13 | 2023-12-20 |
| Influence of High Vitamin C Dose on Lactate During and After Extracorporeal Circulation ascorbic acid,, Placebo (saline) - Hyperlactatemia, Cardiac Disease | Not applicable | Completed | University Medical Centre Maribor | 70 | 2023-03-01 | 2025-02-21 |
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Sepsis (6) · COVID-19 (5) · Diabetes Mellitus, Type 2 (5) · Inflammation (5) · Iron Deficiencies (5) · Cardiovascular Diseases (4) · Diabetes Mellitus (4) · Shock, Septic (4) · Anemia, Iron-Deficiency (3) · Lupus Erythematosus, Systemic (3) · Agnosia (2) · Anemia (2) · Ascorbic Acid Deficiency (2) · Autistic Disorder (2) · Coronary Artery Disease (2)
Swiss Federal Institute of Technology (4) · Universitas Sriwijaya (3) · Ain Shams University (2) · Cairo University (2) · NBTY, Inc. (2) · Northumbria University (2) · NovoBliss Research Pvt Ltd (2) · Oregon Health and Science University (2) · Seoul National University Hospital (2) · Southeast University, China (2) · TCI Co., Ltd. (2) · Tanta University (2) · Universidad Europea de Madrid (2) · University of Lahore (2) · dsm-firmenich Switzerland AG (2)
United States (35) · Egypt (10) · United Kingdom (6) · Greece (5) · South Korea (5) · Spain (5) · Canada (4) · China (4) · Indonesia (4) · Switzerland (4) · Ireland (3) · Italy (3) · Pakistan (3) · Taiwan (3) · India (2)
Adhrie Sugiarto (1) · Ahmed Elsayed, MD (1) · Ahmed G Elgazzar, M.D. (1) · Alejandro G Della Valle, MD (1) · Alfonso Anton, MD, PhD (1) · Alojz Ihan (1) · Anja Bosy-Westphal, Prof, PhD, MD (1) · Annahita Ghassemi (1) · Arif Malik, PhD (1) · Athanasios Z Jamurtas, Dr (1) · Bo Fernhall, Ph.D. (1) · Bok Yang Pyun, M.D., PhD. (1) · Bryan H Goldstein, MD (1) · Camila A Olson, PhD (1)
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