Vitamin D Supplementation in Patients With COVID-19
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ClinicalTrials.gov Identifier: NCT04449718 |
Recruitment Status :
Completed
First Posted : June 29, 2020
Last Update Posted : November 17, 2020
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Condition or disease | Intervention/treatment | Phase |
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COVID-19 | Dietary Supplement: Vitamin D Dietary Supplement: Placebo | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 240 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Vitamin D Supplementation in Patients With COVID-19: A Randomized, Double-blind, Placebo-controlled Trial |
Actual Study Start Date : | June 1, 2020 |
Actual Primary Completion Date : | October 7, 2020 |
Actual Study Completion Date : | October 7, 2020 |

Arm | Intervention/treatment |
---|---|
Experimental: Experimental
Patients will receive 200,000 IU of vitamin D3 on admission + conventional care
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Dietary Supplement: Vitamin D
200,000 IU on admission |
Placebo Comparator: Placebo
Patients will receive an equivalent amount of a placebo solution on admission + conventional care
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Dietary Supplement: Placebo
200,000 IU on admission |
- Length of hospitalization [ Time Frame: From date of randomization until the date of hospital discharge or death, which is usually less than 1 month ]total number of days that patient remained hospitalized
- Mortality [ Time Frame: From date of randomization until the date of hospital discharge or death, which is usually less than 1 month ]number of patients that died
- Number of cases admitted to Intensive Care Unit (ICU) [ Time Frame: From date of randomization until the date of hospital discharge or death, which is usually less than 1 month ]total number of days that patient remained in ICU
- Length of use of mechanic ventilator [ Time Frame: From date of randomization until the date of hospital discharge or death, which is usually less than 1 month ]total number of days that patient remained in mechanic ventilator
- Number and severity of symptoms [ Time Frame: From date of randomization until the date of hospital discharge or death, which is usually less than 1 month ]
- Inflammatory markers [ Time Frame: Baseline, 14 days after hospitalization and at the moment of hospital discharge or death (usually less than 1 month) ]C-reactive protein, IL-1alpha (pg/ml), IL-1beta (pg/ml), IL-6 (pg/ml), TNF-alpha (pg/ml), IL-1ra (pg/ml), IL-10 (pg/ml) concentration in the serum
- C-reactive protein [ Time Frame: Baseline, 14 days after hospitalization and at the moment of hospital discharge or death (usually less than 1 month) ]serum concentration
- Vitamin D [ Time Frame: Baseline, 14 days after hospitalization and at the moment of hospital discharge or death (usually less than 1 month) ]serum concentration
- Creatinine [ Time Frame: Baseline, 14 days after hospitalization and at the moment of hospital discharge or death (usually less than 1 month) ]serum concentration
- Calcium [ Time Frame: Baseline, 14 days after hospitalization and at the moment of hospital discharge or death (usually less than 1 month) ]serum concentration
- Physical activity [ Time Frame: Baseline ]Baecke questionnaire (higher scores mean a higher physical activity level)

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Diagnosis of flu syndrome with hospitalization criteria;
- Respiratory rate ≥ 24irpm and / or saturation <93% in room air, or belonging to the risk group for complications: 1. Chronic diseases: heart disease, diabetes mellitus, systemic arterial hypertension and neoplasms, 2. Immunosuppression, 3. Pulmonary tuberculosis; 4. Obesity;
- Tomographic findings compatible with coronavirus disease.
Exclusion Criteria:
- Patient admitted already under invasive mechanical ventilation;
- Patient admitted with severe acute respiratory syndrome and diagnosed with an etiologic agent other than SARS-CoV-2;
- Prior vitamin D supplementation (above 1000 IU/day);
- Renal failure requiring dialysis or creatinine ≥ 2.0mg/dl;
- Admitted patients with expected hospital discharge in less than 24 hours;
- Patient unable to sign the consent form.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04449718
Brazil | |
Clinical Hospital of the School of Medicine, University of Sao Paulo | |
Sao Paulo, Brazil, 05403-000 |
Principal Investigator: | Rosa Pereira, PhD, MD | School of Medicine, University of Sao Paulo | |
Study Director: | Bruno Gualano, PhD | School of Medicine, University of Sao Paulo |
Responsible Party: | ROSA MARIA RODRIGUES PEREIRA, Dr, University of Sao Paulo |
ClinicalTrials.gov Identifier: | NCT04449718 |
Other Study ID Numbers: |
30959620.4.0000.0068 |
First Posted: | June 29, 2020 Key Record Dates |
Last Update Posted: | November 17, 2020 |
Last Verified: | June 2020 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | No |
COVID-19 vitamin D acute respiratory syndrome |
COVID-19 Vitamin D Vitamins Respiratory Tract Infections Infections Pneumonia, Viral Pneumonia Virus Diseases Coronavirus Infections |
Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases Micronutrients Physiological Effects of Drugs Bone Density Conservation Agents |