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Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of 2019-nCoV Vaccine (mRNA-1273) for Prophylaxis of SARS-CoV-2 Infection (COVID-19)

ClinicalTrials.gov ID: NCT04283461

Public ClinicalTrials.gov record NCT04283461. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 11:54 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase I, Open-Label, Dose-Ranging Study of the Safety and Immunogenicity of 2019-nCoV Vaccine (mRNA-1273) in Healthy Adults

Study identification

NCT ID
NCT04283461
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Enrollment
120 participants

Conditions and interventions

Interventions

  • mRNA-1273 Biological

Biological

Eligibility (public fields only)

Age range
18 Years to 99 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 15, 2020
Primary completion
Apr 25, 2022
Completion
Apr 25, 2022
Last update posted
Mar 17, 2024

2020 – 2022

United States locations

U.S. sites
3
U.S. states
3
U.S. cities
3
Facility City State ZIP Site status
The Hope Clinic of Emory University Decatur Georgia 30030-1705
National Institutes of Health - Clinical Center - Vaccine Research Center Clinical Trials Program Bethesda Maryland 20892
Kaiser Permanente Washington Health Research Institute Seattle Washington 98101-1466

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04283461, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 17, 2024 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04283461 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →