A Study of Updated mRNA Seasonal Influenza Vaccines

ClinicalTrials.gov ID: NCT07884175

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ClinicalTrials.gov public records Last synced Nov 15, 2026, 1:28 PM EST

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Official title

A Phase 3b/4 Study to Assess the Immunogenicity and Safety of Updated mRNA Seasonal Influenza Vaccine Compositions

Brief summary

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

The purpose of this study is to evaluate the immunogenicity and safety of updated strain-containing compositions of the mRNA-1010 vaccines within the current epidemiological environment.

Study identification

NCT ID: NCT07884175
Recruitment status: Recruiting
Study type: Interventional
Phase: Phase 4
Lead sponsor: ModernaTX, Inc.; Industry
Enrollment: 200 participants

Conditions and interventions

Conditions

Seasonal Influenza

Interventions

mRNA-1010 Biological
Licensed High-Dose Seasonal Influenza Vaccine Biological

Biological

Eligibility (public fields only)

Age range: 65 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: Oct 15, 2026 (Actual)
Primary completion: Dec 7, 2026 (Estimated)
Completion: Dec 7, 2026 (Estimated)
Last update posted: Nov 13, 2026

2026

United States locations

U.S. sites: 4
U.S. states: 4
U.S. cities: 4

Facility	City	State	ZIP	Site status
Arizona Clinical Trials	Tucson	Arizona	85711	Recruiting
Johnson County Clin-Trials LLC (JCCT)	Lenexa	Kansas	66219	Recruiting
DelRicht Research at Derby City Direct Primary Care	Louisville	Kentucky	40205	Recruiting
DelRicht Research at Amy Roberts MD and Associates	Town and Country	Missouri	63017	Recruiting

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 NCT07884175, 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 Nov 13, 2026 · Synced Nov 15, 2026