Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5413 in Adult Participants18 Years of Age and Older

ClinicalTrials.gov ID: NCT05650554

Public ClinicalTrials.gov record NCT05650554. 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 Sep 2, 2026, 1:55 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

Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5413 in Adults Aged 18 Years and Older

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the safety and immunogenicity of a single intramuscular (IM) injection of up to 3 dose levels of Quadrivalent Influenza messenger ribonucleic acid (mRNA) Vaccine MRT5413 compared to an active control (QIVstandard-dose (SD), QIV high-dose (HD) \[adults ≥ 65 years of age only\], or quadrivalent recombinant influenza vaccine (RIV4)) in adults 18 years of age and older.

Study identification

NCT ID
NCT05650554
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Enrollment
682 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Dec 11, 2022
Primary completion
Apr 1, 2024
Completion
Apr 1, 2024
Last update posted
Mar 18, 2025

2022 – 2024

United States locations

U.S. sites
28
U.S. states
13
U.S. cities
27
Facility City State ZIP Site status
Velocity Clinical Research-Chula Vista Site Number : 8400061 Chula Vista California 91911
Velocity Gardena Site Number : 8400062 Gardena California 90247
Long Beach Clinical Trials Site Number : 8400052 Long Beach California 90806
Velocity Clinical Research, North Hollywood Site Number : 8400051 North Hollywood California 91606
California Research Foundation Site Number : 8400006 San Diego California 92123-1881
Accel Clinical Research-Deland Clinical Research Unit Site Number : 8400032 DeLand Florida 32720-0834
Velocity New Smyrna Beach Site Number : 8400063 Edgewater Florida 32132
SIMEDHealth, LLC Site Number : 8400014 Gainesville Florida 32607
Indago Research and Health Center Site Number : 8400044 Hialeah Florida 33012
Cenexel Research Centers of America Site Number : 8400011 Hollywood Florida 33024
Florida International Research Center Site Number : 8400045 Miami Florida 33173
Suncoast Research Associates, LLC Site Number : 8400060 Miami Florida 33173
Florida Pulmonary Research Center Site Number : 8400036 Winter Park Florida 32789
Meridian Clinical Research Site Number : 8400022 Savannah Georgia 31406
Velocity Clinical Research Site Number : 8400024 Meridian Idaho 83642
DM Clinical Research - Chicago Site Number : 8400025 River Forest Illinois 60305
Brengle Family Medicine Site Number : 8400039 Indianapolis Indiana 46260
Velocity Clinical Research Lincoln Site Number : 8400049 Lincoln Nebraska 68510
Meridian Clinical Research Site Number : 8400017 Norfolk Nebraska 68701
Velocity Clinical Research Site Number : 8400008 Omaha Nebraska 68134
Rochester Clinical Research. Inc. Site Number : 8400027 Rochester New York 14609
Velocity Clinical Research Site Number : 8400001 Cleveland Ohio 44122
Velocity Clinical Research - Providence Site Number : 8400019 East Greenwich Rhode Island 02818
Coastal Carolina Research Center Site Number : 8400042 North Charleston South Carolina 29405
ClinSearch Site Number : 8400013 Chattanooga Tennessee 37421
Elligo Health Research, Inc. Site Number : 8400002 Austin Texas 78704
DM Clinical Research- Bellaire Site Number : 8400026 Houston Texas 77081
Clinical Trials of Texas, Inc. - PPDS Site Number : 8400016 San Antonio Texas 78229

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05650554, 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 18, 2025 · Synced Sep 2, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05650554 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →