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Can Vitamin D Reduce the Burden of COVID-19?

NCT07128069 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 2093

Last updated 2025-12-02

No results posted yet for this study

Summary

The purpose of this study is to compare the risks of COVID-19 in individuals from the Chicagoland area and other communities in the United States randomized to low (400 IU/day) versus moderate (4,000 IU/day) dose vitamin D.

Conditions

Interventions

DIETARY_SUPPLEMENT

Vitamin D 400IU

Low dose vitamin D (400 IU/day)

DIETARY_SUPPLEMENT

Vitamin D 4000IU

Moderate dose vitamin D (4000 IU/day)

Sponsors & Collaborators

  • Cures Within Reach

    collaborator OTHER

  • University of Chicago

    lead OTHER

Principal Investigators

  • David O Meltzer, MD, PhD · University of Chicago

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2020-12-28
Primary Completion
2025-02-15
Completion
2025-02-15

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07128069 on ClinicalTrials.gov