Recent Updates
Recently added Catalysts

TIV-HA Vaccine formulation 1 at low dose

Phase 1

Influenza Vaccination | Vaccine | Infectious Disease |Sanofi|Trials Updated: Jan 16, 2026

TIV-HA Vaccine formulation 1 at low dose development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Feb 2025

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment270

FDA Designations

No designations recorded

TIV-HA Vaccine formulation 1 at low dose clinical trials

TIV-HA Vaccine formulation 1 at low dose · 1 trial · 5 indications

Phase 1 1
NCT06850051A Study on the Safety and Immunogenicity of Influenza, Respiratory Syncytial Virus, Human Metapneumovirus and Parainfluenza Vaccines in Adults 18 to 49 Years of Age.Healthy Volunteers
COMPLETED270 Analytics
PHASE1COMPLETED
A Study on the Safety and Immunogenicity of Influenza, Respiratory Syncytial Virus, Human Metapneumovirus and Parainfluenza Vaccines in Adults 18 to 49 Years of Age.
Healthy VolunteersUnlock trial analytics

Study Endpoints

Primary Endpoints

Presence of any unsolicited systemic Adverse Events (AEs) reported within 30 minutes after vaccination
Within 30 minutes after each vaccination

Number of participants with unsolicited systemic AEs

Presence of solicited injection site and systemic reactions (ie, pre-listed in the participant's diary and in the eCRF (electronic case report form) occurring through 7 days after vaccination
Through 7 days after each vaccination

Number of participants with solicited injection site and systemic reactions

Presence of unsolicited AEs reported through 28 days after vaccination
Through 28 days after each vaccination

Number of participants with unsolicited AEs

Presence of SAEs (Serious Adverse Events) and AESIs (Adverse Events of Special Interest) throughout the study
Throughout study, approximately 6 months

: Number of participants with SAEs and AESIs

Presence of out-of-range biological test results (including shift from baseline values) through 7 days after vaccination
Through 7 days after vaccination

: Number of participants with out-of-range biological tests

Hemagglutinin Inhibition Assay (HAI) antibody (Ab) response to each homologous influenza strain at Day 1 and Day 29
Day 1 and Day 29
RSV A, hMPV A and PIV3 serum neutralizing antibodies (nAb) titers at Day 1 and Day 29
Day 1 and Day 29

Secondary Endpoints

RSV B and hMPV A nAb titers at Day 1 and Day 29
Day 1 and Day 29
Neutralization Test (NT) Ab response to each homologous influenza strain at Day 29
Day 29
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Group 1 trivalent influenza vaccine-hemagglutinin (TIV-HA) formulation 1 at high doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the TIV-HA vaccines according to their randomization schedule.
Group 2 TIV-HA formulation 2 at high doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the TIV-HA vaccines according to their randomization schedule.
Group 3 TIV-HA formulation 1 at low doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the TIV-HA vaccines according to their randomization schedule.
Group 4 TIV-HA formulation 2 at low doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the TIV-HA vaccines according to their randomization schedule.
Group 5 RSV/hMPV/PIV3 formulation 1 at high doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the RSV/hMPV/PIV3 vaccines according to their randomization schedule.
Group 6 RSV/hMPV/PIV3 formulation 2 at high doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the RSV/hMPV/PIV3 vaccines according to their randomization schedule.
Group 7 RSV/hMPV/PIV3 formulation 1 at low doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the RSV/hMPV/PIV3 vaccines according to their randomization schedule.
Group 8 RSV/hMPV/PIV3 formulation 2 at low doseEXPERIMENTALParticipants will receive a single IM (Intramuscular) injection on day 1 of the RSV/hMPV/PIV3 vaccines according to their randomization schedule.
Group 9 recombinant influenza vaccine quadrivalent (RIV4)ACTIVE_COMPARATORParticipants will receive a single IM (Intramuscular) injection on day 1 of the RIV4 vaccine according to their randomization schedule.

Interventions

NameTypeDescription
TIV-HA Vaccine formulation 1 at low doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
TIV-HA formulation 1 at high doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
TIV-HA formulation 2 at low doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
TIV-HA formulation 2 at high doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
RSV/hMPV/PIV3 formulation 2 at low doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
RSV/hMPV/PIV3 formulation 1 at high doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
RSV/hMPV/PIV3 formulation 2 at high doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
RSV/hMPV/PIV3 formulation 1 at low doseBIOLOGICALSuspension for injection in a vial. Route of administration: IM injection
RIV4 (Supemtek®)BIOLOGICALSolution for injection in a prefilled syringe. Route of administration: IM injection
Unlock Study Design Details

Eligibility Criteria

Age Range18 Years to 49 Years
SexALL
Healthy VolunteersYes
Study Sites6

Inclusion Criteria: * Aged 18 to 49 years on the day of inclusion * A female participant is eligible to participate if she is not pregnant or breastfeeding and one of the following conditions applies: * Is of non-childbearing potential. To be considered of non-childbearing potential, a female mu...

Countries:Australia
Unlock Eligibility Criteria

Frequently asked questions about TIV-HA Vaccine formulation 1 at low dose

What is TIV-HA Vaccine formulation 1 at low dose?

TIV-HA Vaccine formulation 1 at low dose is an investigational influenza vaccine developed by Sanofi. It is a low-dose formulation of a trivalent inactivated influenza hemagglutinin vaccine, designed for influenza vaccination. It has been studied in a Phase 1 clinical trial in healthy adult volunteers.

What is TIV-HA Vaccine formulation 1 at low dose used for?

TIV-HA Vaccine formulation 1 at low dose is being developed for influenza vaccination. Its intended use is to protect against influenza virus infection. The Phase 1 study enrolled healthy volunteers aged 18 to 49 years and evaluated safety and immune response to influenza vaccination.

Who makes TIV-HA Vaccine formulation 1 at low dose?

TIV-HA Vaccine formulation 1 at low dose is developed by Sanofi, which trades on the New York Stock Exchange under the ticker SNY. Sanofi is the sponsor of the clinical program evaluating this low-dose trivalent inactivated influenza hemagglutinin vaccine formulation.

What phase is TIV-HA Vaccine formulation 1 at low dose in?

TIV-HA Vaccine formulation 1 at low dose is in Phase 1 clinical development. It is an investigational vaccine and has not been approved by the FDA. The Phase 1 trial has been completed, and no active trials of this formulation are currently listed.

What clinical trials is TIV-HA Vaccine formulation 1 at low dose in?

TIV-HA Vaccine formulation 1 at low dose was evaluated in one completed Phase 1 trial, NCT06850051. The study assessed safety and immunogenicity of influenza, respiratory syncytial virus, human metapneumovirus and parainfluenza vaccines in adults 18 to 49 years of age. It enrolled 270 participants in Australia and was randomized, double-blind and active-controlled.