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A Study to Evaluate the Safety and Immune Response of mRNA-1345, a Vaccine Targeting Respiratory Syncytial Virus (RSV), When Co-administered With a Fluzone HD, in Adults ≥65 Years of Age

Completed · Phase 3 · NCT06060457

Conditions: Respiratory Syncytial Virus

At a glance

Research payments reported, 2025
$396,330
U.S. investigators named
14
Sites paid
13
Planned or actual enrollment
1,900

About the trial

Sponsor
ModernaTX, Inc.
Tested
Placebo (biological), mRNA-1345 (biological), Fluzone HD (biological)
Dates
Started 2023-09-25; completion 2024-06-07
Results posted
Yes

The main purpose of this study is to evaluate the safety and immunogenicity of mRNA-1345 RSV vaccine when coadministered with a high dose (HD) quadrivalent seasonal influenza vaccine (Fluzone HD) in adults ≥65 years of age. The study will examine the impact of Fluzone HD on the immune response to mRNA-1345 against RSV-A and RSV-B, as well as the impact of mRNA-1345 on the immune response to Fluzone HD against 4 vaccine-matched Influenza A and B strains.

From ClinicalTrials.gov, last updated 2025-07-30. Full record, eligibility and contacts (opens in a new tab)

Industry funding

ModernaTX, Inc. reported $396,330 in research payments for this study in 2025 (93 payments).

Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.

U.S. investigators named on this study

Clinicians the company named as principal investigators in its Open Payments reports.

Sites paid to run it

  • Spartanburg Medical Research LLC $111,863
  • Health Awareness LLC $71,373
  • Javara Inc $60,017
  • Delricht Research $45,479
  • Cra Headlands LLC $26,644
  • Sweet Hope Research Speciality Inc $21,765
  • Dm Boston LLC $18,834
  • Suncoast Research Associates LLC DBA Sra Trials $18,640
  • New Tampa Health Inc $10,750
  • Dynamed Clinical Research LP $4,576
  • Artemis Headlands LLC $4,221
  • Dynamed Philadelphia LLC $1,850
  • Cr Services Acquisition US LLC $319

Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.