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Study details
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A Study to Investigate the Immunogenicity and Safety of mRNA COVID-19 Variant-containing Vaccine Formulations

ModernaTX, Inc.
NCT IDNCT06585241ClinicalTrials.gov data as of Apr 2026
Phase

Phase 4

Target enrollment

764

Study length

about 1.7 years

Ages

0.5+

Locations

6 sites in GA, LA, MS +2

What this study is about

This trial is testing a new type of vaccine against COVID-19. The goal is to see how well this vaccine works and if it's safe for adults and children.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Receive mRNA-1273 Variant-containing Formulation

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Endpoints

Secondary: mRNA-1273.167, mRNA-1273.712, mRNA-1273.251, and mRNA-1273.261: Number of Participants with Serious Adverse Events (SAEs), Adverse Events (AEs) Leading to Study Withdrawal, and AEs of Special Interest, mRNA-1273.251 and mRNA-1273.261: Number of Participants with Unsolicited AEs

Body systems

Infectious