Table 1.
Current clinical trials related to vitamin therapy in COVID-19 patients
| Vitamins | NCT number | Study title | Phase | Age | Status* |
|---|---|---|---|---|---|
| Vitamin A | NCT04900415 | Olfactory and Neurosensory Rehabilitation in COVID-19-related Olfactory Dysfunction | 2 | 18 years and older | Recruiting |
| Vitamin D | NCT04344041 | COVID-19 and vitamin D supplementation: a multicenter randomized controlled trial of high dose versus standard-dose vitamin d3 in high-risk COVID-19 patients (CoVitTrial) | 3 | 70 years and older | Completed |
| NCT04709744 | Impact of vitamin D level and supplement on SLE patients during COVID-19 pandemic | NA | 18–80 years | Completed | |
| NCT04535791 | Efficacy of vitamin D supplementation to prevent the risk of acquiring COVID-19 in healthcare workers (COVID-19) | 3 | 18- 70 years | Recruiting | |
| NCT04386850 | Oral 25-hydroxyvitamin D3 and COVID-19 | 2/3 | 18–75 years | Recruiting | |
| NCT04411446 | Cholecalciferol to improve the outcomes of COVID-19 patients | 4 | 18 years and older | Recruiting | |
| NCT04385940 | Vitamin D and COVID-19 management | 3 | 17 years and older | Recruiting | |
| NCT04482673 | Vitamin D supplementation in the prevention and mitigation of COVID-19 infection | 4 | 50 years and older | Recruiting | |
| NCT04883203 | The effect of vitamin D supplementation on COVID-19 recovery (COVID-VITD) | 3 | 18–70 years | Completed | |
| NCT04525820 | High dose vitamin-d substitution in patients with COVID-19: a randomized controlled, multi-center study | NA | 18 years and older | Recruiting | |
| NCT04552951 | Effect of vitamin D on morbidity and mortality of the COVID-19 (COVID-VIT-D) | 4 | Child, adult, older adult | Recruiting | |
| NCT04411446 | Cholecalciferol to improve the outcomes of COVID-19 patients (CARED) | 4 | 18 years and older | Recruiting | |
| NCT04636086 | Effect of vitamin D on hospitalized adults with COVID-19 infection | 4 | 18 years and older | Recruiting | |
| NCT04733625 | The effect of vitamin D therapy on morbidity and mortality in patients with SARS-CoV 2 infection | NA | 18 years and older | Completed | |
| NCT04344041 | Covid-19 and vitamin D supplementation: a multicenter randomized controlled trial of high dose versus standard-dose vitamin d3 in high-risk COVID-19 patients (CoVitTrial) | 3 | 65 years and older | Completed | |
| NCT04459247 | Short term, high dose vitamin d supplementation for COVID-19 (SHADE) | NA | 18 years and older | Active, not recruiting | |
| NCT04621058 | Efficacy of vitamin D treatment in mortality reduction due to COVID-19 | 3 | Child, adult, older adult | Recruiting | |
| NCT04502667 | Efficacy of vitamin D treatment in pediatric patients hospitalized by COVID-19 | 3 | 1 month to 17 years | Recruiting | |
| Vitamin C | NCT04401150 | Lessening organ dysfunction with vitamin C-COVID-19 | 3 | 18 years and older | Recruiting |
| NCT04357782 | Administration of intravenous vitamin c in novel coronavirus infection (COVID-19) and decreased oxygenation (AVoCaDO) | 1/2 | 18–99 years | Completed | |
| NCT04344184 | Safety study of early infusion of vitamin c for treatment of novel coronavirus acute lung injury (SAFE EVICT CORONA-ALI) | 2 | 18 years and older | Recruiting | |
| NCT04682574 | Role of mega dose of vitamin c in critical COVID-19 patients | NA | Child, adult, older adult | Recruiting | |
| NCT04363216 | Pharmacologic ascorbic acid as an activator of lymphocyte signaling for COVID-19 treatment | 2 | 18 years and older | Not yet recruiting | |
| NCT04710329 | High-dose vitamin c treatment in critically ill COVID-19 patients | NA | 18–99 years | Completed |
*Please refer to http://clinicaltrials.gov for more details.