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Trial of Vitamin D to Reduce Risk and Severity of COVID-19 and Other Acute Respiratory Infections

Phase 3 Randomised Controlled Trial of Vitamin D Supplementation to Reduce Risk and Severity of COVID-19 and Other Acute Respiratory Infections in the UK Population

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04579640
Acronym
CORONAVIT
Enrollment
6200
Registered
2020-10-08
Start date
2020-10-27
Completion date
2022-02-28
Last updated
2022-04-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Respiratory Tract Infection, Covid19

Brief summary

CORONAVIT is an open-label, phase 3, randomised clinical trial testing whether implementation of a test-and-treat approach to correction of sub-optimal vitamin D status results in reduced risk and/or severity of COVID-19 and other acute respiratory infections.

Interventions

DIETARY_SUPPLEMENTVitamin D

Capsules containing 800 IU (20 micrograms) or 3,200 IU (80 micrograms) cholecalciferol

Sponsors

Barts & The London NHS Trust
CollaboratorOTHER
Pharma Nord
CollaboratorINDUSTRY
Fischer Family Trust
CollaboratorUNKNOWN
The AIM Foundation
CollaboratorUNKNOWN
Synergy Biologics Ltd
CollaboratorUNKNOWN
Cytoplan Ltd
CollaboratorUNKNOWN
Queen Mary University of London
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
16 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

1. UK resident 2. Age ≥16 years 3. Gives informed consent to participate

Exclusion criteria

1. taking digoxin, alfacalcidol, calcitriol, dihydrotachysterol or paricalcitol 2. known diagnosis of sarcoidosis, primary hyperparathyroidism, renal stones or renal failure requiring dialysis 3. known allergy to any ingredient in the study capsules (vitamin D, olive oil, caramel, gelatine or glycerol) 4. pregnancy

Design outcomes

Primary

MeasureTime frame
Proportion of participants experiencing at least one doctor-diagnosed or laboratory-confirmed acute respiratory infection of any cause.Over 6 months

Secondary

MeasureTime frameDescription
Proportion of participants who are prescribed one or more courses of antibiotic treatment for acute respiratory infectionOver 6 monthsSecondary efficacy outcome
Proportion of participants with asthma who experience one or more exacerbations of asthma requiring treatment with oral corticosteroids and/or requiring hospital treatmentOver 6 monthsSecondary efficacy outcome
Proportion of participants with COPD who experience one or more exacerbations of COPD requiring treatment with oral corticosteroids and/or antibiotics, and/or requiring hospital treatmentOver 6 monthsSecondary efficacy outcome
Proportion of participants who have had PCR-, antigen test- or antibody test-confirmed SARS-CoV-2 infection who report symptoms of COVID-19 lasting more than 4 weeks after onsetOver 6 monthsSecondary efficacy outcome
Mean MRC dyspnoea score at the end of the study in people who have had PCR-, antigen test- or antibody test-confirmed SARS-CoV-2 infection and who report symptoms of COVID-19 lasting more than 4 weeks after onset6 monthsSecondary efficacy outcome
Mean FACIT Fatigue Scale score at the end of the study in people with antigen test- or antibody test-confirmed SARS-CoV-2 infection and who report symptoms of COVID-19 lasting more than 4 weeks after onset6 monthsSecondary efficacy outcome
Mean COVID-19 Recovery Questionnaire score at the end of the study in people who have had antigen test- or antibody test-confirmed SARS-CoV-2 infection and who report symptoms of COVID-19 lasting more than 4 weeks after onset6 monthsSecondary efficacy outcome
Proportion of participants who experience one or more acute respiratory infections requiring hospitalisationOver 6 monthsSecondary efficacy outcome
Proportion of participants who experience COVID-19 requiring hospitalisationOver 6 monthsSecondary efficacy outcome
Proportion of participants hospitalised for COVID-19 requiring ventilatory supportOver 6 monthsSecondary efficacy outcome
Proportion of participants developing PCR- or antigen test-positive COVID-19Over 6 monthsSecondary efficacy outcome
Proportion of participants dying of acute respiratory infection during participation in the trialOver 6 monthsSecondary efficacy outcome
Proportion of participants dying of COVID-19 during participation in the trialOver 6 monthsSecondary efficacy outcome
Mean end-study 25(OH)D concentration (sub-set of participants having end-study tests of vitamin D status)6 monthsSecondary efficacy outcome
Proportion of participants experiencing known hypercalcaemiaOver 6 monthsSecondary safety outcome
Proportion of participants experiencing a probable or definite adverse reaction to vitamin D supplementationOver 6 monthsSecondary safety outcome
Proportion of participants experiencing a serious adverse event of any causeOver 6 monthsSecondary safety outcome
Proportion of SARS-CoV-2 vaccinated participants with antibodies to SARS-CoV-2 spike proteinOver 6 monthsSecondary efficacy outcome
Median titre of antibodies to SARS-CoV-2 spike protein in SARS-CoV-2 vaccinated participantsOver 6 monthsSecondary efficacy outcome
Proportion of SARS-CoV-2 vaccinated participants with antigen-specific T cell responses to SARS-CoV-2 spike protein (sub-set of participants)Over 6 monthsSecondary efficacy outcome
Frequency of antigen-specific T cells reacting to SARS-CoV-2 spike protein in SARS-CoV-2 vaccinated participants (sub-set of participants)Over 6 monthsSecondary efficacy outcome
Proportion of participants dying of any cause during participation in the trialOver 6 monthsSecondary efficacy outcome

Countries

United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 11, 2026