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Augment-Tasmania influenza vaccine

Phase 1

Influenza | Monoclonal antibody | Infectious Disease |Sanofi|Last Updated: Sep 11, 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment400

FDA Designations

No designations recorded

Clinical trial landscape

Augment-Tasmania influenza vaccine · 1 trial · 2 indications

Phase 1 1
NCT06507553Study of Influenza Vaccines Containing an Additional H3 Antigen in Healthy Adult Participants 18 to 49 Years of Age and 60 Years of Age and OlderInfluenza
COMPLETED400 Analytics
PHASE1COMPLETED
Study of Influenza Vaccines Containing an Additional H3 Antigen in Healthy Adult Participants 18 to 49 Years of Age and 60 Years of Age and Older
InfluenzaUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants with immediate adverse event
Within 30 minutes after vaccination

Includes unsolicited systemic adverse events (or) medically relevant unsolicited systemic adverse events, including those related to the product administered

Number of participants with solicited injection site reactions
Within 7 days after vaccination

Adverse reactions prelisted in the participant diary

Number of participants with solicited systemic reactions
Within 7 days after vaccination

Adverse reactions prelisted in the participant diary

Number of participants with unsolicited adverse events
Throughout the study, approximately 3 weeks

Adverse events other than solicited reactions

Number of participants with serious adverse events
Throughout the study, approximately 3 weeks

SAEs occurring throughout the study

Number of participants with adverse events of special interest (AESIs)
Throughout the study, approximately 3 weeks

AESIs occurring throughout the study

Secondary Endpoints

Seroconversion based on hemagglutination inhibition antibody titer
Day 1 and day 22
Seroprotection based on hemagglutination inhibition antibody titer
Day 1 and day 22
Obtained hemagglutination inhibition antibody titers
Day 1 and day 22
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Group 1 (Stage 1)ACTIVE_COMPARATORTrivalent-Darwin standard dose (SD) formulation will be administered in a single injection to participants aged 18 to 49 years old
Group 2 (Stage 1)EXPERIMENTALAugment-Tasmania SD formulation will be administered in a single injection to participants aged 18 to 49 years old
Group 3 (Stage 1)EXPERIMENTALTIV-2X Darwin SD formulation will be administered in a single injection to participants aged 18 to 49 years old
Group 4 (Stage 1)EXPERIMENTALTrivalent-Tasmania SD formulation will be administered in a single injection to participants aged 18 to 49 years old
Group 5 (Stage 2)ACTIVE_COMPARATORTrivalent-Darwin high dose (HD) formulation will be administered in a single injection to participants of 60 years and older
Group 6 (Stage 2)EXPERIMENTALAugment-Tasmania HD formulation will be administered in a single injection to participants of 60 years and older
Group 7 (Stage 2)EXPERIMENTALTIV-2X Darwin HD formulation will be administered in a single injection to participants of 60 years and older
Group 8 (Stage 2)EXPERIMENTALTrivalent-Tasmania HD formulation will be administered in a single injection to participants of 60 years and older

Interventions

NameTypeDescription
Trivalent-Darwin influenza vaccineBIOLOGICALPharmaceutical form:Suspension for injection-Route of administration:Intramuscular
Augment-Tasmania influenza vaccineBIOLOGICALPharmaceutical form:Suspension for injection-Route of administration:Intramuscular
TIV-2X Darwin influenza vaccineBIOLOGICALPharmaceutical form:Suspension for injection-Route of administration:Intramuscular
Trivalent-Tasmania influenza vaccineBIOLOGICALPharmaceutical form:Suspension for injection-Route of administration:Intramuscular
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites10

Inclusion Criteria: * Aged 18 to 49 years (Stage 1) or 60 years of age and older (Stage 2) on the day of inclusion * Participants who are healthy as determined by medical evaluation including medical history and physical examination, if deemed necessary * A female participant is eligible to partici...

Countries:Australia
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