Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT05650554 · ClinicalTrials.gov registry record · Phase 1

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

A Phase 1 study, sponsored by Sanofi Pasteur, a Sanofi Company.

Completed
Registry status
Phase 1
Development phase
682
Enrollment target

NCT05650554: Completed Phase 1 study, sponsored by Sanofi Pasteur, a Sanofi Company.

NCT05650554 is a Phase 1 study that has completed, run by Sanofi Pasteur, a Sanofi Company. The registered enrollment target is 682 participants, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (1037% higher). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT05650554, a Phase 1 study, has completed, sponsored by Sanofi Pasteur, a Sanofi Company.

COMPLETED
Registry status
Phase 1
Development phase
682 participants
Enrollment target

Study Summary

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.

Primary Outcome

Unsolicited systemic AEs that occur within 30 minutes after vaccination

Interventions

  • BIOLOGICAL Quadrivalent Influenza Standard Dose Vaccine
  • BIOLOGICAL Quadrivalent Recombinant Influenza Vaccine
  • BIOLOGICAL Quadrivalent Influenza High-Dose Vaccine
  • BIOLOGICAL Quadrivalent Influenza mRNA Vaccine MRT5413

Trial Details

FieldValue
Enrollment Target 682 participants
Start Date 2022-12-12
Est. Completion 2024-04-02
Phase Phase 1
Sanofi Pasteur, a Sanofi Company

153 total trials

What the finished NCT05650554 record still lists

NCT05650554 is an interventional study that assigns participants to a tested intervention. The registered 682 participants enrollment target is mid-sized for trials with a published cap, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (1037% higher).

The record links to 0 conditions, and to 4 interventions - of which Quadrivalent Influenza Standard Dose Vaccine is the first listed.

NCT05650554 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05650554 about?

NCT05650554 is a clinical study titled "Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5413 in Adult Participants18 Years of Age and Older". 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 ye...

What is the current status of trial NCT05650554?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 682 participants. The study started on 2022-12-12. Estimated completion is 2024-04-02.

What interventions are being tested in trial NCT05650554?

The interventions under investigation include: Quadrivalent Influenza Standard Dose Vaccine (BIOLOGICAL), Quadrivalent Recombinant Influenza Vaccine (BIOLOGICAL), Quadrivalent Influenza High-Dose Vaccine (BIOLOGICAL), Quadrivalent Influenza mRNA Vaccine MRT5413 (BIOLOGICAL).

Who is sponsoring clinical trial NCT05650554?

This trial is sponsored by Sanofi Pasteur, a Sanofi Company, which has 153 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05650554's enrollment target sits among peer trials

682 21st of 2000 higher than 1,980 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT05382559 · 681 participants · Phase 1

    A Study of ASP3082 in Adults With Advanced Solid Tumors

  • NCT06795087 · 684 participants

    Discharge Medication Use Post-Operatively in GU Cancer Patients

  • NCT03501706 · 680 participants · NA

    An Assessment of Cognitive Improvement Training Among Mid-life Individuals

  • NCT05626452 · 680 participants · NA

    PrEP Optimization Among Women to Enhance Retention and Uptake

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT05650554, the US trial registry maintained by the National Library of Medicine. NCT05650554 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.