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Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1010 Seasonal Influenza Vaccine in Healthy Adults

ClinicalTrials.gov ID: NCT04956575

Public ClinicalTrials.gov record NCT04956575. 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, 12:43 AM EDT

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

Official title

A Phase 1/2, Randomized, Stratified, Observer-Blind, Dose-Ranging Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1010 Seasonal Influenza Vaccine in Healthy Adults 18 Years and Older

Brief summary

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

The study comprises 3 parts: Phase 1/2, Phase 2 Northern Hemisphere (NH), and Phase 2 extension. The primary objective of this study is to evaluate the safety, reactogenicity, and humoral immunogenicity of mRNA-1010 vaccine.

Study identification

NCT ID
NCT04956575
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
ModernaTX, Inc.
Industry
Enrollment
885 participants

Conditions and interventions

Interventions

Biological

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
Jul 5, 2021
Primary completion
Sep 26, 2022
Completion
Sep 26, 2022
Last update posted
Oct 26, 2023

2021 – 2022

United States locations

U.S. sites
21
U.S. states
15
U.S. cities
20
Facility City State ZIP Site status
Cognitive Clinical Trials - Phoenix Phoenix Arizona 85044
Alliance for Multispecialty Research, LLC - Phoenix Tempe Arizona 85281
Benchmark Research - Colton, CA Colton California 92324
Research Centers of America - ERGG - PPDS Hollywood Florida 33024-2709
Meridian Clinical Research (Savannah Georgia) - Platinum - PPDS Savannah Georgia 31406
Meridian Clinical Research Sioux City Iowa 51106-4233
Johnson County Clin-Trials Lenexa Kansas 66219
Meridian Clinical Research - Baton Rouge Baton Rouge Louisiana 70809
Meridian Clinical Research Rockville Maryland 20854-2957
Meridian Clinical Research (Grand Island) Grand Island Nebraska 68803
Meridian Clinical Research, LLC (Lincoln Nebraska) Lincoln Nebraska 68510
Meridian Clinical Research Omaha Nebraska 68134-3664
Meridian Clinical Research (Endwell-New York) - Platinum - PPDS Endwell New York 13760
Lucas Research Morehead City North Carolina 28557
Trial Management Associates LLC - ERN - PPDS Wilmington North Carolina 28403
Meridian Clinical Research - Cincinnati - Platinum - PPDS Cincinnati Ohio 45219
Meridian Clinical Research - Cincinnati - Platinum - PPDS Cincinnati Ohio 45246
Keystone VitaLink Research - Greenville - PPDS Greenville South Carolina 29615
PanAmerican Clinical Research LLC Brownsville Texas 78520
Research Your Health - ERN - PPDS Plano Texas 75093
South Ogden Family Medicine/Ogden Clinic - CCT South Ogden Utah 84405

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 NCT04956575, 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 Oct 26, 2023 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04956575 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →